3070 lines
165 KiB
C#
3070 lines
165 KiB
C#
/*********************************************
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* *
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* Modified from Microsoft SqlHelper class *
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* *
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* Author: Sunheart *
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* E-mail: sunheartlee@hotmail.com *
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* Data: 20060620 *
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* *
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*********************************************/
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using System;
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using System.Collections;
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using System.Data;
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using System.Configuration;
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using System.Xml;
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using Oracle.ManagedDataAccess.Client;
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using System.Data.SqlClient;
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namespace DataCommon
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{
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/// <summary>
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/// Oracle数据库操作类
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/// </summary>
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public sealed class OracleHelper
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{
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#region OracleConnectionString
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/// <summary>
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/// 本地数据库连接字符串
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/// </summary>
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public static string LocalConnectionString = ConfigurationSettings.AppSettings["RemoteConnectionString"];
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// public static readonly string LocalConnection = ConfigurationManager.ConnectionStrings["OracleConnString"].ConnectionString;
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/// <summary>
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/// 远程数据库连接字符串
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/// </summary>
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public static string RemoteConnectionString = ConfigurationSettings.AppSettings["RemoteConnectionString"];
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#endregion
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private static object l = new object();
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//private static OracleHelper m_instance;
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//private static object m_lock = new object();
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///// <summary>
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///// 通过Singleton模式返回当前实例
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///// </summary>
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//public static OracleHelper Instance()
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//{
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// if (m_instance == null)
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// {
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// lock (m_lock)
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// {
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// if (m_instance == null)
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// {
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// m_instance = new OracleHelper();
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// }
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// }
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// }
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// return m_instance;
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//}
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#region private utility methods & constructors
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// Since this class provides only static methods, make the default constructor private to prevent
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// instances from being created with "new OracleHelper()"
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private OracleHelper() { }
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/// <summary>
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/// This method is used to attach array of OracleParameters to a OracleCommand.
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///
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/// This method will assign a value of DbNull to any parameter with a direction of
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/// InputOutput and a value of null.
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///
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/// This behavior will prevent default values from being used, but
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/// this will be the less common case than an intended pure output parameter (derived as InputOutput)
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/// where the user provided no input value.
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/// </summary>
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/// <param name="command">The command to which the parameters will be added</param>
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/// <param name="commandParameters">An array of OracleParameters to be added to command</param>
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private static void AttachParameters(OracleCommand command, OracleParameter[] commandParameters)
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{
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if (command == null) throw new ArgumentNullException("command");
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if (commandParameters != null)
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{
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foreach (OracleParameter p in commandParameters)
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{
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if (p != null)
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{
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// Check for derived output value with no value assigned
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if ((p.Direction == ParameterDirection.InputOutput ||
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p.Direction == ParameterDirection.Input) &&
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(p.Value == null))
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{
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p.Value = DBNull.Value;
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}
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command.Parameters.Add(p);
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}
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}
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}
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}
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/// <summary>
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/// This method assigns dataRow column values to an array of OracleParameters
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/// </summary>
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/// <param name="commandParameters">Array of OracleParameters to be assigned values</param>
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/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values</param>
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private static void AssignParameterValues(OracleParameter[] commandParameters, DataRow dataRow)
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{
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if ((commandParameters == null) || (dataRow == null))
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{
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// Do nothing if we get no data
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return;
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}
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int i = 0;
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// Set the parameters values
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foreach (OracleParameter commandParameter in commandParameters)
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{
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// Check the parameter name
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if (commandParameter.ParameterName == null ||
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commandParameter.ParameterName.Length <= 1)
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throw new Exception(
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string.Format(
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"Please provide a valid parameter name on the parameter #{0}, the ParameterName property has the following value: '{1}'.",
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i, commandParameter.ParameterName));
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if (dataRow.Table.Columns.IndexOf(commandParameter.ParameterName.Substring(1)) != -1)
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commandParameter.Value = dataRow[commandParameter.ParameterName.Substring(1)];
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i++;
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}
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}
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/// <summary>
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/// This method assigns an array of values to an array of OracleParameters
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/// </summary>
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/// <param name="commandParameters">Array of OracleParameters to be assigned values</param>
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/// <param name="parameterValues">Array of objects holding the values to be assigned</param>
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private static void AssignParameterValues(OracleParameter[] commandParameters, object[] parameterValues)
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{
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if ((commandParameters == null) || (parameterValues == null))
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{
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// Do nothing if we get no data
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return;
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}
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// We must have the same number of values as we pave parameters to put them in
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if (commandParameters.Length != parameterValues.Length)
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{
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throw new ArgumentException("Parameter count does not match Parameter Value count.");
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}
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// Iterate through the OracleParameters, assigning the values from the corresponding position in the
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// value array
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for (int i = 0, j = commandParameters.Length; i < j; i++)
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{
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// If the current array value derives from IDbDataParameter, then assign its Value property
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if (parameterValues[i] is IDbDataParameter)
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{
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IDbDataParameter paramInstance = (IDbDataParameter)parameterValues[i];
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if (paramInstance.Value == null)
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{
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commandParameters[i].Value = DBNull.Value;
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}
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else
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{
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commandParameters[i].Value = paramInstance.Value;
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}
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}
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else if (parameterValues[i] == null)
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{
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commandParameters[i].Value = DBNull.Value;
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}
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else
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{
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commandParameters[i].Value = parameterValues[i];
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}
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}
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}
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/// <summary>
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/// This method opens (if necessary) and assigns a connection, transaction, command type and parameters
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/// to the provided command
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/// </summary>
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/// <param name="command">The OracleCommand to be prepared</param>
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/// <param name="connection">A valid OracleConnection, on which to execute this command</param>
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/// <param name="transaction">A valid OracleTransaction, or 'null'</param>
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/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
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/// <param name="commandText">The stored procedure name or T-SQL command</param>
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/// <param name="commandParameters">An array of OracleParameters to be associated with the command or 'null' if no parameters are required</param>
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/// <param name="mustCloseConnection"><c>true</c> if the connection was opened by the method, otherwose is false.</param>
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private static void PrepareCommand(OracleCommand command, OracleConnection connection, OracleTransaction transaction, CommandType commandType, string commandText, OracleParameter[] commandParameters, out bool mustCloseConnection)
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{
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if (command == null) throw new ArgumentNullException("command");
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if (commandText == null || commandText.Length == 0) throw new ArgumentNullException("commandText");
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// If the provided connection is not open, we will open it
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if (connection.State != ConnectionState.Open)
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{
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mustCloseConnection = true;
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connection.Open();
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}
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else
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{
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mustCloseConnection = false;
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}
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// Associate the connection with the command
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command.Connection = connection;
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// Set the command text (stored procedure name or SQL statement)
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command.CommandText = commandText;
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// If we were provided a transaction, assign it
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if (transaction != null)
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{
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if (transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
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command.Transaction = transaction;
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}
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// Set the command type
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command.CommandType = commandType;
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// Attach the command parameters if they are provided
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if (commandParameters != null)
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{
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AttachParameters(command, commandParameters);
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}
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return;
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}
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#endregion private utility methods & constructors
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/// <summary>
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///
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/// </summary>
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private static int sys_commandtimeout = 30;
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#region 执行带参数的SQL语句
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/// <summary>
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/// 执行SQL语句，返回影响的记录数
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/// </summary>
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/// <param name="SQLString">SQL语句</param>
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/// <returns>影响的记录数</returns>
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public static int ExecuteSql(string SQLString, params OracleParameter[] cmdParms)
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{
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using (OracleConnection connection = new OracleConnection(LocalConnectionString))
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{
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using (OracleCommand cmd = new OracleCommand())
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{
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try
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{
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PrepareCommand(cmd, connection, null, SQLString, cmdParms);
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int rows = cmd.ExecuteNonQuery();
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cmd.Parameters.Clear();
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return rows;
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}
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catch (Exception E)
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{
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throw new Exception(E.Message);
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}
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}
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}
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}
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private static void PrepareCommand(OracleCommand cmd, OracleConnection conn, OracleTransaction trans, string cmdText, OracleParameter[] cmdParms)
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{
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if (conn.State != ConnectionState.Open)
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conn.Open();
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cmd.Connection = conn;
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cmd.CommandText = cmdText;
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if (trans != null)
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cmd.Transaction = trans;
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cmd.CommandType = CommandType.Text;//cmdType;
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if (cmdParms != null)
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{
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foreach (OracleParameter parm in cmdParms)
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cmd.Parameters.Add(parm);
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}
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}
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#endregion
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#region ExecuteNonQuery
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/// <summary>
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/// Execute a OracleCommand (that returns no resultset and takes no parameters) against the database specified in
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/// the connection string
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/// </summary>
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/// <remarks>
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/// e.g.:
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/// int result = ExecuteNonQuery(connString, CommandType.StoredProcedure, "PublishOrders");
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/// </remarks>
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/// <param name="connectionString">A valid connection string for a OracleConnection</param>
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/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
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/// <param name="commandText">The stored procedure name or T-SQL command</param>
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/// <returns>An int representing the number of rows affected by the command</returns>
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public static int ExecuteNonQuery(string connectionString, CommandType commandType, string commandText)
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{
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// Pass through the call providing null for the set of OracleParameters
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return ExecuteNonQuery(connectionString, commandType, commandText, (OracleParameter[])null);
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}
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/// <summary>
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/// Execute a OracleCommand (that returns no resultset) against the database specified in the connection string
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/// using the provided parameters
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/// </summary>
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/// <remarks>
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/// e.g.:
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/// int result = ExecuteNonQuery(connString, CommandType.StoredProcedure, "PublishOrders", new OracleParameter("@prodid", 24));
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/// </remarks>
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/// <param name="connectionString">A valid connection string for a OracleConnection</param>
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/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
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/// <param name="commandText">The stored procedure name or T-SQL command</param>
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/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
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/// <returns>An int representing the number of rows affected by the command</returns>
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public static int ExecuteNonQuery(string connectionString, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
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{
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if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
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// Create & open a OracleConnection, and dispose of it after we are done
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using (OracleConnection connection = new OracleConnection(connectionString))
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{
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connection.Open();
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// Call the overload that takes a connection in place of the connection string
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return ExecuteNonQuery(connection, commandType, commandText, commandParameters);
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}
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}
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/// <summary>
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/// Execute a stored procedure via a OracleCommand (that returns no resultset) against the database specified in
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/// the connection string using the provided parameter values. This method will query the database to discover the parameters for the
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/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
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/// </summary>
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/// <remarks>
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/// This method provides no access to output parameters or the stored procedure's return value parameter.
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///
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/// e.g.:
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/// int result = ExecuteNonQuery(connString, "PublishOrders", 24, 36);
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/// </remarks>
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/// <param name="connectionString">A valid connection string for a OracleConnection</param>
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/// <param name="spName">The name of the stored prcedure</param>
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/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
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/// <returns>An int representing the number of rows affected by the command</returns>
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public static int ExecuteNonQuery(string connectionString, string spName, params object[] parameterValues)
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{
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if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
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if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
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// If we receive parameter values, we need to figure out where they go
|
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if ((parameterValues != null) && (parameterValues.Length > 0))
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{
|
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// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
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OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connectionString, spName);
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// Assign the provided values to these parameters based on parameter order
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AssignParameterValues(commandParameters, parameterValues);
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// Call the overload that takes an array of OracleParameters
|
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return ExecuteNonQuery(connectionString, CommandType.StoredProcedure, spName, commandParameters);
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}
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else
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{
|
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// Otherwise we can just call the SP without params
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return ExecuteNonQuery(connectionString, CommandType.StoredProcedure, spName);
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}
|
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}
|
||
|
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/// <summary>
|
||
/// Execute a OracleCommand (that returns no resultset and takes no parameters) against the provided OracleConnection.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// int result = ExecuteNonQuery(conn, CommandType.StoredProcedure, "PublishOrders");
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>An int representing the number of rows affected by the command</returns>
|
||
public static int ExecuteNonQuery(OracleConnection connection, CommandType commandType, string commandText)
|
||
{
|
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// Pass through the call providing null for the set of OracleParameters
|
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return ExecuteNonQuery(connection, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns no resultset) against the specified OracleConnection
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
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/// int result = ExecuteNonQuery(conn, CommandType.StoredProcedure, "PublishOrders", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>An int representing the number of rows affected by the command</returns>
|
||
public static int ExecuteNonQuery(OracleConnection connection, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
|
||
// Create a command and prepare it for execution
|
||
OracleCommand cmd = new OracleCommand();
|
||
bool mustCloseConnection = false;
|
||
PrepareCommand(cmd, connection, (OracleTransaction)null, commandType, commandText, commandParameters, out mustCloseConnection);
|
||
|
||
// Finally, execute the command
|
||
int retval = cmd.ExecuteNonQuery();
|
||
|
||
// Detach the OracleParameters from the command object, so they can be used again
|
||
cmd.Parameters.Clear();
|
||
if (mustCloseConnection)
|
||
connection.Close();
|
||
return retval;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns no resultset) against the specified OracleConnection
|
||
/// using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// int result = ExecuteNonQuery(conn, "PublishOrders", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>An int representing the number of rows affected by the command</returns>
|
||
public static int ExecuteNonQuery(OracleConnection connection, string spName, params object[] parameterValues)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connection, spName);
|
||
|
||
// Assign the provided values to these parameters based on parameter order
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
// Call the overload that takes an array of OracleParameters
|
||
return ExecuteNonQuery(connection, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteNonQuery(connection, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns no resultset and takes no parameters) against the provided OracleTransaction.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// int result = ExecuteNonQuery(trans, CommandType.StoredProcedure, "PublishOrders");
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>An int representing the number of rows affected by the command</returns>
|
||
public static int ExecuteNonQuery(OracleTransaction transaction, CommandType commandType, string commandText)
|
||
{
|
||
// Pass through the call providing null for the set of OracleParameters
|
||
return ExecuteNonQuery(transaction, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns no resultset) against the specified OracleTransaction
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// int result = ExecuteNonQuery(trans, CommandType.StoredProcedure, "GetOrders", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>An int representing the number of rows affected by the command</returns>
|
||
public static int ExecuteNonQuery(OracleTransaction transaction, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
|
||
// Create a command and prepare it for execution
|
||
OracleCommand cmd = new OracleCommand();
|
||
bool mustCloseConnection = false;
|
||
PrepareCommand(cmd, transaction.Connection, transaction, commandType, commandText, commandParameters, out mustCloseConnection);
|
||
|
||
// Finally, execute the command
|
||
int retval = cmd.ExecuteNonQuery();
|
||
cmd.CommandTimeout = sys_commandtimeout;
|
||
// Detach the OracleParameters from the command object, so they can be used again
|
||
cmd.Parameters.Clear();
|
||
return retval;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns no resultset) against the specified
|
||
/// OracleTransaction using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// int result = ExecuteNonQuery(conn, trans, "PublishOrders", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>An int representing the number of rows affected by the command</returns>
|
||
public static int ExecuteNonQuery(OracleTransaction transaction, string spName, params object[] parameterValues)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(transaction.Connection, spName);
|
||
|
||
// Assign the provided values to these parameters based on parameter order
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
// Call the overload that takes an array of OracleParameters
|
||
return ExecuteNonQuery(transaction, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteNonQuery(transaction, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
// object l = new object();
|
||
/// <summary>
|
||
/// Execute a OracleCommand or a stored procedure with parameters,use the exists ConnectionString
|
||
/// </summary>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="oracleParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>An int representing the number of rows affected by the command</returns>
|
||
public static int ExecuteNonQuery(CommandType commandType, string commandText, OracleParameter[] oracleParameters)
|
||
{
|
||
lock (l)
|
||
{
|
||
return ExecuteNonQuery(LocalConnectionString, commandType, commandText, oracleParameters);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand or a stored procedure with parameters,use the exists ConnectionString
|
||
/// </summary>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="oracleParameter">A OracleParamter used to execute the command</param>
|
||
/// <returns>An int representing the number of rows affected by the command</returns>
|
||
public static int ExecuteNonQuery(CommandType commandType, string commandText, OracleParameter oracleParameter)
|
||
{
|
||
return ExecuteNonQuery(commandType, commandText, new OracleParameter[] { oracleParameter });
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand or a stored procedure with no parameters,use the exists ConnectionString
|
||
/// </summary>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>An int representing the number of rows affected by the command</returns>
|
||
public static int ExecuteNonQuery(CommandType commandType, string commandText)
|
||
{
|
||
return ExecuteNonQuery(LocalConnectionString, commandType, commandText);
|
||
}
|
||
|
||
#endregion ExecuteNonQuery
|
||
|
||
#region ExecuteDataset
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset and takes no parameters) against the database specified in
|
||
/// the connection string.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// DataSet ds = ExecuteDataset(connString, CommandType.StoredProcedure, "GetOrders");
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDataset(string connectionString, CommandType commandType, string commandText)
|
||
{
|
||
// Pass through the call providing null for the set of OracleParameters
|
||
return ExecuteDataset(connectionString, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset) against the database specified in the connection string
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// DataSet ds = ExecuteDataset(connString, CommandType.StoredProcedure, "GetOrders", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDataset(string connectionString, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
|
||
// Create & open a OracleConnection, and dispose of it after we are done
|
||
using (OracleConnection connection = new OracleConnection(connectionString))
|
||
{
|
||
connection.Open();
|
||
|
||
// Call the overload that takes a connection in place of the connection string
|
||
return ExecuteDataset(connection, commandType, commandText, commandParameters);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the database specified in
|
||
/// the connection string using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// DataSet ds = ExecuteDataset(connString, "GetOrders", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDataset(string connectionString, string spName, params object[] parameterValues)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connectionString, spName);
|
||
|
||
// Assign the provided values to these parameters based on parameter order
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
// Call the overload that takes an array of OracleParameters
|
||
return ExecuteDataset(connectionString, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteDataset(connectionString, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset and takes no parameters) against the provided OracleConnection.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// DataSet ds = ExecuteDataset(conn, CommandType.StoredProcedure, "GetOrders");
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDataset(OracleConnection connection, CommandType commandType, string commandText)
|
||
{
|
||
// Pass through the call providing null for the set of OracleParameters
|
||
return ExecuteDataset(connection, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset) against the specified OracleConnection
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// DataSet ds = ExecuteDataset(conn, CommandType.StoredProcedure, "GetOrders", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDataset(OracleConnection connection, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
|
||
// Create a command and prepare it for execution
|
||
OracleCommand cmd = new OracleCommand();
|
||
bool mustCloseConnection = false;
|
||
PrepareCommand(cmd, connection, (OracleTransaction)null, commandType, commandText, commandParameters, out mustCloseConnection);
|
||
|
||
// Create the DataAdapter & DataSet
|
||
using (OracleDataAdapter da = new OracleDataAdapter(cmd))
|
||
{
|
||
DataSet ds = new DataSet();
|
||
|
||
// Fill the DataSet using default values for DataTable names, etc
|
||
//da.SelectCommand.CommandTimeout = 0;
|
||
da.Fill(ds);
|
||
|
||
// Detach the OracleParameters from the command object, so they can be used again
|
||
cmd.Parameters.Clear();
|
||
|
||
if (mustCloseConnection)
|
||
connection.Close();
|
||
|
||
// Return the dataset
|
||
return ds;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified OracleConnection
|
||
/// using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// DataSet ds = ExecuteDataset(conn, "GetOrders", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDataset(OracleConnection connection, string spName, params object[] parameterValues)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connection, spName);
|
||
|
||
// Assign the provided values to these parameters based on parameter order
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
// Call the overload that takes an array of OracleParameters
|
||
return ExecuteDataset(connection, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteDataset(connection, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset and takes no parameters) against the provided OracleTransaction.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// DataSet ds = ExecuteDataset(trans, CommandType.StoredProcedure, "GetOrders");
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDataset(OracleTransaction transaction, CommandType commandType, string commandText)
|
||
{
|
||
// Pass through the call providing null for the set of OracleParameters
|
||
return ExecuteDataset(transaction, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset) against the specified OracleTransaction
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// DataSet ds = ExecuteDataset(trans, CommandType.StoredProcedure, "GetOrders", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDataset(OracleTransaction transaction, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
|
||
// Create a command and prepare it for execution
|
||
OracleCommand cmd = new OracleCommand();
|
||
bool mustCloseConnection = false;
|
||
PrepareCommand(cmd, transaction.Connection, transaction, commandType, commandText, commandParameters, out mustCloseConnection);
|
||
|
||
// Create the DataAdapter & DataSet
|
||
using (OracleDataAdapter da = new OracleDataAdapter(cmd))
|
||
{
|
||
DataSet ds = new DataSet();
|
||
|
||
// Fill the DataSet using default values for DataTable names, etc
|
||
//da.SelectCommand.CommandTimeout = 0;
|
||
da.Fill(ds);
|
||
|
||
// Detach the OracleParameters from the command object, so they can be used again
|
||
cmd.Parameters.Clear();
|
||
|
||
// Return the dataset
|
||
return ds;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified
|
||
/// OracleTransaction using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// DataSet ds = ExecuteDataset(trans, "GetOrders", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDataset(OracleTransaction transaction, string spName, params object[] parameterValues)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(transaction.Connection, spName);
|
||
|
||
// Assign the provided values to these parameters based on parameter order
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
// Call the overload that takes an array of OracleParameters
|
||
return ExecuteDataset(transaction, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteDataset(transaction, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand or a stored procedure with parameters,use the exists ConnectionString
|
||
/// </summary>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="oracleParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDataset(CommandType commandType, string commandText, OracleParameter[] oracleParameters)
|
||
{
|
||
return ExecuteDataset(LocalConnectionString, commandType, commandText, oracleParameters);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand or a stored procedure with a parameter,use the exists ConnectionString
|
||
/// </summary>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="oracleParameter">A OracleParamter used to execute the command</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDataset(CommandType commandType, string commandText, OracleParameter oracleParameter)
|
||
{
|
||
return ExecuteDataset(commandType, commandText, new OracleParameter[] { oracleParameter });
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand or a stored procedure with no parameters,use the exists ConnectionString
|
||
/// </summary>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDataset(CommandType commandType, string commandText)
|
||
{
|
||
return ExecuteDataset(LocalConnectionString, commandType, commandText);
|
||
}
|
||
|
||
#endregion ExecuteDataset
|
||
|
||
#region ExecuteReader
|
||
|
||
/// <summary>
|
||
/// This enum is used to indicate whether the connection was provided by the caller, or created by OracleHelper, so that
|
||
/// we can set the appropriate CommandBehavior when calling ExecuteReader()
|
||
/// </summary>
|
||
private enum OracleConnectionOwnership
|
||
{
|
||
/// <summary>Connection is owned and managed by OracleHelper</summary>
|
||
Internal,
|
||
/// <summary>Connection is owned and managed by the caller</summary>
|
||
External
|
||
}
|
||
|
||
/// <summary>
|
||
/// Create and prepare a OracleCommand, and call ExecuteReader with the appropriate CommandBehavior.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// If we created and opened the connection, we want the connection to be closed when the DataReader is closed.
|
||
///
|
||
/// If the caller provided the connection, we want to leave it to them to manage.
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection, on which to execute this command</param>
|
||
/// <param name="transaction">A valid OracleTransaction, or 'null'</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParameters to be associated with the command or 'null' if no parameters are required</param>
|
||
/// <param name="connectionOwnership">Indicates whether the connection parameter was provided by the caller, or created by OracleHelper</param>
|
||
/// <returns>OracleDataReader containing the results of the command</returns>
|
||
private static OracleDataReader ExecuteReader(OracleConnection connection, OracleTransaction transaction, CommandType commandType, string commandText, OracleParameter[] commandParameters, OracleConnectionOwnership connectionOwnership)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
|
||
bool mustCloseConnection = false;
|
||
// Create a command and prepare it for execution
|
||
OracleCommand cmd = new OracleCommand();
|
||
try
|
||
{
|
||
PrepareCommand(cmd, connection, transaction, commandType, commandText, commandParameters, out mustCloseConnection);
|
||
|
||
// Create a reader
|
||
OracleDataReader dataReader;
|
||
|
||
// Call ExecuteReader with the appropriate CommandBehavior
|
||
if (connectionOwnership == OracleConnectionOwnership.External)
|
||
{
|
||
dataReader = cmd.ExecuteReader();
|
||
}
|
||
else
|
||
{
|
||
dataReader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
|
||
}
|
||
|
||
// Detach the OracleParameters from the command object, so they can be used again.
|
||
// HACK: There is a problem here, the output parameter values are fletched
|
||
// when the reader is closed, so if the parameters are detached from the command
|
||
// then the SqlReader can磘 set its values.
|
||
// When this happen, the parameters can磘 be used again in other command.
|
||
bool canClear = true;
|
||
foreach (OracleParameter commandParameter in cmd.Parameters)
|
||
{
|
||
if (commandParameter.Direction != ParameterDirection.Input)
|
||
canClear = false;
|
||
}
|
||
|
||
if (canClear)
|
||
{
|
||
cmd.Parameters.Clear();
|
||
}
|
||
|
||
return dataReader;
|
||
}
|
||
catch
|
||
{
|
||
if (mustCloseConnection)
|
||
connection.Close();
|
||
throw;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset and takes no parameters) against the database specified in
|
||
/// the connection string.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// OracleDataReader dr = ExecuteReader(connString, CommandType.StoredProcedure, "GetOrders");
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReader(string connectionString, CommandType commandType, string commandText)
|
||
{
|
||
// Pass through the call providing null for the set of OracleParameters
|
||
return ExecuteReader(connectionString, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset) against the database specified in the connection string
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// OracleDataReader dr = ExecuteReader(connString, CommandType.StoredProcedure, "GetOrders", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReader(string connectionString, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
OracleConnection connection = null;
|
||
try
|
||
{
|
||
connection = new OracleConnection(connectionString);
|
||
connection.Open();
|
||
|
||
// Call the private overload that takes an internally owned connection in place of the connection string
|
||
return ExecuteReader(connection, null, commandType, commandText, commandParameters, OracleConnectionOwnership.Internal);
|
||
}
|
||
catch
|
||
{
|
||
// If we fail to return the SqlDatReader, we need to close the connection ourselves
|
||
if (connection != null) connection.Close();
|
||
throw;
|
||
}
|
||
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the database specified in
|
||
/// the connection string using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// OracleDataReader dr = ExecuteReader(connString, "GetOrders", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReader(string connectionString, string spName, params object[] parameterValues)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connectionString, spName);
|
||
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
return ExecuteReader(connectionString, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteReader(connectionString, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset and takes no parameters) against the provided OracleConnection.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// OracleDataReader dr = ExecuteReader(conn, CommandType.StoredProcedure, "GetOrders");
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReader(OracleConnection connection, CommandType commandType, string commandText)
|
||
{
|
||
// Pass through the call providing null for the set of OracleParameters
|
||
return ExecuteReader(connection, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset) against the specified OracleConnection
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// OracleDataReader dr = ExecuteReader(conn, CommandType.StoredProcedure, "GetOrders", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReader(OracleConnection connection, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
// Pass through the call to the private overload using a null transaction value and an externally owned connection
|
||
return ExecuteReader(connection, (OracleTransaction)null, commandType, commandText, commandParameters, OracleConnectionOwnership.External);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified OracleConnection
|
||
/// using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// OracleDataReader dr = ExecuteReader(conn, "GetOrders", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReader(OracleConnection connection, string spName, params object[] parameterValues)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connection, spName);
|
||
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
return ExecuteReader(connection, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteReader(connection, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset and takes no parameters) against the provided OracleTransaction.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// OracleDataReader dr = ExecuteReader(trans, CommandType.StoredProcedure, "GetOrders");
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReader(OracleTransaction transaction, CommandType commandType, string commandText)
|
||
{
|
||
// Pass through the call providing null for the set of OracleParameters
|
||
return ExecuteReader(transaction, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset) against the specified OracleTransaction
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// OracleDataReader dr = ExecuteReader(trans, CommandType.StoredProcedure, "GetOrders", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamter used to execute the command</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReader(OracleTransaction transaction, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
|
||
// Pass through to private overload, indicating that the connection is owned by the caller
|
||
return ExecuteReader(transaction.Connection, transaction, commandType, commandText, commandParameters, OracleConnectionOwnership.External);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified
|
||
/// OracleTransaction using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// OracleDataReader dr = ExecuteReader(trans, "GetOrders", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReader(OracleTransaction transaction, string spName, params object[] parameterValues)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(transaction.Connection, spName);
|
||
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
return ExecuteReader(transaction, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteReader(transaction, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand or a stored procedure with no parameters,use the exists ConnectionString
|
||
/// </summary>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReader(CommandType commandType, string commandText, OracleParameter[] commandParameters)
|
||
{
|
||
return ExecuteReader(LocalConnectionString, commandType, commandText, commandParameters);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand or a stored procedure with no parameters,use the exists ConnectionString
|
||
/// </summary>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameter">A OracleParamter used to execute the command</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReader(CommandType commandType, string commandText, OracleParameter commandParameter)
|
||
{
|
||
return ExecuteReader(commandType, commandText, new OracleParameter[] { commandParameter });
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand or a stored procedure with no parameters,use the exists ConnectionString
|
||
/// </summary>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReader(CommandType commandType, string commandText)
|
||
{
|
||
return ExecuteReader(LocalConnectionString, commandType, commandText);
|
||
}
|
||
|
||
#endregion ExecuteReader
|
||
|
||
#region ExecuteScalar
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a 1x1 resultset and takes no parameters) against the database specified in
|
||
/// the connection string.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// int orderCount = (int)ExecuteScalar(connString, CommandType.StoredProcedure, "GetOrderCount");
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalar(string connectionString, CommandType commandType, string commandText)
|
||
{
|
||
// Pass through the call providing null for the set of OracleParameters
|
||
return ExecuteScalar(connectionString, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a 1x1 resultset) against the database specified in the connection string
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// int orderCount = (int)ExecuteScalar(connString, CommandType.StoredProcedure, "GetOrderCount", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalar(string connectionString, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
// Create & open a OracleConnection, and dispose of it after we are done
|
||
using (OracleConnection connection = new OracleConnection(connectionString))
|
||
{
|
||
connection.Open();
|
||
|
||
// Call the overload that takes a connection in place of the connection string
|
||
return ExecuteScalar(connection, commandType, commandText, commandParameters);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a 1x1 resultset) against the database specified in
|
||
/// the connection string using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// int orderCount = (int)ExecuteScalar(connString, "GetOrderCount", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalar(string connectionString, string spName, params object[] parameterValues)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connectionString, spName);
|
||
|
||
// Assign the provided values to these parameters based on parameter order
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
// Call the overload that takes an array of OracleParameters
|
||
return ExecuteScalar(connectionString, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteScalar(connectionString, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a 1x1 resultset and takes no parameters) against the provided OracleConnection.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// int orderCount = (int)ExecuteScalar(conn, CommandType.StoredProcedure, "GetOrderCount");
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalar(OracleConnection connection, CommandType commandType, string commandText)
|
||
{
|
||
// Pass through the call providing null for the set of OracleParameters
|
||
return ExecuteScalar(connection, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a 1x1 resultset) against the specified OracleConnection
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// int orderCount = (int)ExecuteScalar(conn, CommandType.StoredProcedure, "GetOrderCount", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalar(OracleConnection connection, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
|
||
// Create a command and prepare it for execution
|
||
OracleCommand cmd = new OracleCommand();
|
||
|
||
bool mustCloseConnection = false;
|
||
PrepareCommand(cmd, connection, (OracleTransaction)null, commandType, commandText, commandParameters, out mustCloseConnection);
|
||
|
||
// Execute the command & return the results
|
||
object retval = cmd.ExecuteScalar();
|
||
|
||
// Detach the OracleParameters from the command object, so they can be used again
|
||
cmd.Parameters.Clear();
|
||
|
||
if (mustCloseConnection)
|
||
connection.Close();
|
||
|
||
return retval;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a 1x1 resultset) against the specified OracleConnection
|
||
/// using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// int orderCount = (int)ExecuteScalar(conn, "GetOrderCount", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalar(OracleConnection connection, string spName, params object[] parameterValues)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connection, spName);
|
||
|
||
// Assign the provided values to these parameters based on parameter order
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
// Call the overload that takes an array of OracleParameters
|
||
return ExecuteScalar(connection, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteScalar(connection, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a 1x1 resultset and takes no parameters) against the provided OracleTransaction.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// int orderCount = (int)ExecuteScalar(trans, CommandType.StoredProcedure, "GetOrderCount");
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalar(OracleTransaction transaction, CommandType commandType, string commandText)
|
||
{
|
||
// Pass through the call providing null for the set of OracleParameters
|
||
return ExecuteScalar(transaction, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a 1x1 resultset) against the specified OracleTransaction
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// int orderCount = (int)ExecuteScalar(trans, CommandType.StoredProcedure, "GetOrderCount", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalar(OracleTransaction transaction, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
|
||
// Create a command and prepare it for execution
|
||
OracleCommand cmd = new OracleCommand();
|
||
bool mustCloseConnection = false;
|
||
PrepareCommand(cmd, transaction.Connection, transaction, commandType, commandText, commandParameters, out mustCloseConnection);
|
||
|
||
// Execute the command & return the results
|
||
object retval = cmd.ExecuteScalar();
|
||
|
||
// Detach the OracleParameters from the command object, so they can be used again
|
||
cmd.Parameters.Clear();
|
||
return retval;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a 1x1 resultset) against the specified
|
||
/// OracleTransaction using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// int orderCount = (int)ExecuteScalar(trans, "GetOrderCount", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalar(OracleTransaction transaction, string spName, params object[] parameterValues)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
// PPull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(transaction.Connection, spName);
|
||
|
||
// Assign the provided values to these parameters based on parameter order
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
// Call the overload that takes an array of OracleParameters
|
||
return ExecuteScalar(transaction, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteScalar(transaction, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand or a stored procedure with parameters,use the exists ConnectionString
|
||
/// </summary>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of OracleParamters used to execute the command</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalar(CommandType commandType, string commandText, OracleParameter[] commandParameters)
|
||
{
|
||
return ExecuteScalar(LocalConnectionString, commandType, commandText, commandParameters);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand or a stored procedure with parameters,use the exists ConnectionString
|
||
/// </summary>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameter">A OracleParamter used to execute the command</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalar(CommandType commandType, string commandText, OracleParameter commandParameter)
|
||
{
|
||
return ExecuteScalar(commandType, commandText, new OracleParameter[] { commandParameter });
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand or a stored procedure with no parameters,use the exists ConnectionString
|
||
/// </summary>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalar(CommandType commandType, string commandText)
|
||
{
|
||
return ExecuteScalar(LocalConnectionString, commandType, commandText);
|
||
}
|
||
|
||
#endregion ExecuteScalar
|
||
|
||
#region ExecuteXmlReader
|
||
/*
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset and takes no parameters) against the provided OracleConnection.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// XmlReader r = ExecuteXmlReader(conn, CommandType.StoredProcedure, "GetOrders");
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command using "FOR XML AUTO"</param>
|
||
/// <returns>An XmlReader containing the resultset generated by the command</returns>
|
||
public static XmlReader ExecuteXmlReader(OracleConnection connection, CommandType commandType, string commandText)
|
||
{
|
||
// Pass through the call providing null for the set of OracleParameters
|
||
return ExecuteXmlReader(connection, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset) against the specified OracleConnection
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// XmlReader r = ExecuteXmlReader(conn, CommandType.StoredProcedure, "GetOrders", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command using "FOR XML AUTO"</param>
|
||
/// <param name="commandParameters">An array of SqlParamters used to execute the command</param>
|
||
/// <returns>An XmlReader containing the resultset generated by the command</returns>
|
||
public static XmlReader ExecuteXmlReader(OracleConnection connection, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if( connection == null ) throw new ArgumentNullException( "connection" );
|
||
|
||
bool mustCloseConnection = false;
|
||
// Create a command and prepare it for execution
|
||
OracleCommand cmd = new OracleCommand();
|
||
try
|
||
{
|
||
PrepareCommand(cmd, connection, (OracleTransaction)null, commandType, commandText, commandParameters, out mustCloseConnection );
|
||
|
||
// Create the DataAdapter & DataSet
|
||
XmlReader retval = cmd.ExecuteXmlReader();
|
||
|
||
// Detach the OracleParameters from the command object, so they can be used again
|
||
cmd.Parameters.Clear();
|
||
|
||
return retval;
|
||
}
|
||
catch
|
||
{
|
||
if( mustCloseConnection )
|
||
connection.Close();
|
||
throw;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified OracleConnection
|
||
/// using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// XmlReader r = ExecuteXmlReader(conn, "GetOrders", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure using "FOR XML AUTO"</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>An XmlReader containing the resultset generated by the command</returns>
|
||
public static XmlReader ExecuteXmlReader(OracleConnection connection, string spName, params object[] parameterValues)
|
||
{
|
||
if( connection == null ) throw new ArgumentNullException( "connection" );
|
||
if( spName == null || spName.Length == 0 ) throw new ArgumentNullException( "spName" );
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connection, spName);
|
||
|
||
// Assign the provided values to these parameters based on parameter order
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
// Call the overload that takes an array of OracleParameters
|
||
return ExecuteXmlReader(connection, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteXmlReader(connection, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset and takes no parameters) against the provided OracleTransaction.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// XmlReader r = ExecuteXmlReader(trans, CommandType.StoredProcedure, "GetOrders");
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command using "FOR XML AUTO"</param>
|
||
/// <returns>An XmlReader containing the resultset generated by the command</returns>
|
||
public static XmlReader ExecuteXmlReader(OracleTransaction transaction, CommandType commandType, string commandText)
|
||
{
|
||
// Pass through the call providing null for the set of OracleParameters
|
||
return ExecuteXmlReader(transaction, commandType, commandText, (OracleParameter[])null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset) against the specified OracleTransaction
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// XmlReader r = ExecuteXmlReader(trans, CommandType.StoredProcedure, "GetOrders", new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command using "FOR XML AUTO"</param>
|
||
/// <param name="commandParameters">An array of SqlParamters used to execute the command</param>
|
||
/// <returns>An XmlReader containing the resultset generated by the command</returns>
|
||
public static XmlReader ExecuteXmlReader(OracleTransaction transaction, CommandType commandType, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if( transaction == null ) throw new ArgumentNullException( "transaction" );
|
||
if( transaction != null && transaction.Connection == null ) throw new ArgumentException( "The transaction was rollbacked or commited, please provide an open transaction.", "transaction" );
|
||
|
||
// Create a command and prepare it for execution
|
||
OracleCommand cmd = new OracleCommand();
|
||
bool mustCloseConnection = false;
|
||
PrepareCommand(cmd, transaction.Connection, transaction, commandType, commandText, commandParameters, out mustCloseConnection );
|
||
|
||
// Create the DataAdapter & DataSet
|
||
XmlReader retval = cmd.ExecuteXmlReader();
|
||
|
||
// Detach the OracleParameters from the command object, so they can be used again
|
||
cmd.Parameters.Clear();
|
||
return retval;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified
|
||
/// OracleTransaction using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// XmlReader r = ExecuteXmlReader(trans, "GetOrders", 24, 36);
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static XmlReader ExecuteXmlReader(OracleTransaction transaction, string spName, params object[] parameterValues)
|
||
{
|
||
if( transaction == null ) throw new ArgumentNullException( "transaction" );
|
||
if( transaction != null && transaction.Connection == null ) throw new ArgumentException( "The transaction was rollbacked or commited, please provide an open transaction.", "transaction" );
|
||
if( spName == null || spName.Length == 0 ) throw new ArgumentNullException( "spName" );
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(transaction.Connection, spName);
|
||
|
||
// Assign the provided values to these parameters based on parameter order
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
// Call the overload that takes an array of OracleParameters
|
||
return ExecuteXmlReader(transaction, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
return ExecuteXmlReader(transaction, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
*/
|
||
|
||
#endregion ExecuteXmlReader
|
||
|
||
#region FillDataset
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset and takes no parameters) against the database specified in
|
||
/// the connection string.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// FillDataset(connString, CommandType.StoredProcedure, "GetOrders", ds, new string[] {"orders"});
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param>
|
||
/// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced
|
||
/// by a user defined name (probably the actual table name)</param>
|
||
public static void FillDataset(string connectionString, CommandType commandType, string commandText, DataSet dataSet, string[] tableNames)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (dataSet == null) throw new ArgumentNullException("dataSet");
|
||
|
||
// Create & open a OracleConnection, and dispose of it after we are done
|
||
using (OracleConnection connection = new OracleConnection(connectionString))
|
||
{
|
||
connection.Open();
|
||
|
||
// Call the overload that takes a connection in place of the connection string
|
||
FillDataset(connection, commandType, commandText, dataSet, tableNames);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset) against the database specified in the connection string
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// FillDataset(connString, CommandType.StoredProcedure, "GetOrders", ds, new string[] {"orders"}, new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of SqlParamters used to execute the command</param>
|
||
/// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param>
|
||
/// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced
|
||
/// by a user defined name (probably the actual table name)
|
||
/// </param>
|
||
public static void FillDataset(string connectionString, CommandType commandType,
|
||
string commandText, DataSet dataSet, string[] tableNames,
|
||
params OracleParameter[] commandParameters)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (dataSet == null) throw new ArgumentNullException("dataSet");
|
||
// Create & open a OracleConnection, and dispose of it after we are done
|
||
using (OracleConnection connection = new OracleConnection(connectionString))
|
||
{
|
||
connection.Open();
|
||
|
||
// Call the overload that takes a connection in place of the connection string
|
||
FillDataset(connection, commandType, commandText, dataSet, tableNames, commandParameters);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the database specified in
|
||
/// the connection string using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// FillDataset(connString, CommandType.StoredProcedure, "GetOrders", ds, new string[] {"orders"}, 24);
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param>
|
||
/// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced
|
||
/// by a user defined name (probably the actual table name)
|
||
/// </param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
public static void FillDataset(string connectionString, string spName,
|
||
DataSet dataSet, string[] tableNames,
|
||
params object[] parameterValues)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (dataSet == null) throw new ArgumentNullException("dataSet");
|
||
// Create & open a OracleConnection, and dispose of it after we are done
|
||
using (OracleConnection connection = new OracleConnection(connectionString))
|
||
{
|
||
connection.Open();
|
||
|
||
// Call the overload that takes a connection in place of the connection string
|
||
FillDataset(connection, spName, dataSet, tableNames, parameterValues);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset and takes no parameters) against the provided OracleConnection.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// FillDataset(conn, CommandType.StoredProcedure, "GetOrders", ds, new string[] {"orders"});
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param>
|
||
/// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced
|
||
/// by a user defined name (probably the actual table name)
|
||
/// </param>
|
||
public static void FillDataset(OracleConnection connection, CommandType commandType,
|
||
string commandText, DataSet dataSet, string[] tableNames)
|
||
{
|
||
FillDataset(connection, commandType, commandText, dataSet, tableNames, null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset) against the specified OracleConnection
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// FillDataset(conn, CommandType.StoredProcedure, "GetOrders", ds, new string[] {"orders"}, new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param>
|
||
/// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced
|
||
/// by a user defined name (probably the actual table name)
|
||
/// </param>
|
||
/// <param name="commandParameters">An array of SqlParamters used to execute the command</param>
|
||
public static void FillDataset(OracleConnection connection, CommandType commandType,
|
||
string commandText, DataSet dataSet, string[] tableNames,
|
||
params OracleParameter[] commandParameters)
|
||
{
|
||
FillDataset(connection, null, commandType, commandText, dataSet, tableNames, commandParameters);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified OracleConnection
|
||
/// using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// FillDataset(conn, "GetOrders", ds, new string[] {"orders"}, 24, 36);
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param>
|
||
/// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced
|
||
/// by a user defined name (probably the actual table name)
|
||
/// </param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
public static void FillDataset(OracleConnection connection, string spName,
|
||
DataSet dataSet, string[] tableNames,
|
||
params object[] parameterValues)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (dataSet == null) throw new ArgumentNullException("dataSet");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connection, spName);
|
||
|
||
// Assign the provided values to these parameters based on parameter order
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
// Call the overload that takes an array of OracleParameters
|
||
FillDataset(connection, CommandType.StoredProcedure, spName, dataSet, tableNames, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
FillDataset(connection, CommandType.StoredProcedure, spName, dataSet, tableNames);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset and takes no parameters) against the provided OracleTransaction.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// FillDataset(trans, CommandType.StoredProcedure, "GetOrders", ds, new string[] {"orders"});
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param>
|
||
/// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced
|
||
/// by a user defined name (probably the actual table name)
|
||
/// </param>
|
||
public static void FillDataset(OracleTransaction transaction, CommandType commandType,
|
||
string commandText,
|
||
DataSet dataSet, string[] tableNames)
|
||
{
|
||
FillDataset(transaction, commandType, commandText, dataSet, tableNames, null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a OracleCommand (that returns a resultset) against the specified OracleTransaction
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// FillDataset(trans, CommandType.StoredProcedure, "GetOrders", ds, new string[] {"orders"}, new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param>
|
||
/// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced
|
||
/// by a user defined name (probably the actual table name)
|
||
/// </param>
|
||
/// <param name="commandParameters">An array of SqlParamters used to execute the command</param>
|
||
public static void FillDataset(OracleTransaction transaction, CommandType commandType,
|
||
string commandText, DataSet dataSet, string[] tableNames,
|
||
params OracleParameter[] commandParameters)
|
||
{
|
||
FillDataset(transaction.Connection, transaction, commandType, commandText, dataSet, tableNames, commandParameters);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified
|
||
/// OracleTransaction using the provided parameter values. This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method provides no access to output parameters or the stored procedure's return value parameter.
|
||
///
|
||
/// e.g.:
|
||
/// FillDataset(trans, "GetOrders", ds, new string[]{"orders"}, 24, 36);
|
||
/// </remarks>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param>
|
||
/// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced
|
||
/// by a user defined name (probably the actual table name)
|
||
/// </param>
|
||
/// <param name="parameterValues">An array of objects to be assigned as the input values of the stored procedure</param>
|
||
public static void FillDataset(OracleTransaction transaction, string spName,
|
||
DataSet dataSet, string[] tableNames,
|
||
params object[] parameterValues)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
if (dataSet == null) throw new ArgumentNullException("dataSet");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((parameterValues != null) && (parameterValues.Length > 0))
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(transaction.Connection, spName);
|
||
|
||
// Assign the provided values to these parameters based on parameter order
|
||
AssignParameterValues(commandParameters, parameterValues);
|
||
|
||
// Call the overload that takes an array of OracleParameters
|
||
FillDataset(transaction, CommandType.StoredProcedure, spName, dataSet, tableNames, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
// Otherwise we can just call the SP without params
|
||
FillDataset(transaction, CommandType.StoredProcedure, spName, dataSet, tableNames);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Private helper method that execute a OracleCommand (that returns a resultset) against the specified OracleTransaction and OracleConnection
|
||
/// using the provided parameters.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// FillDataset(conn, trans, CommandType.StoredProcedure, "GetOrders", ds, new string[] {"orders"}, new OracleParameter("@prodid", 24));
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection</param>
|
||
/// <param name="transaction">A valid OracleTransaction</param>
|
||
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param>
|
||
/// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced
|
||
/// by a user defined name (probably the actual table name)
|
||
/// </param>
|
||
/// <param name="commandParameters">An array of SqlParamters used to execute the command</param>
|
||
private static void FillDataset(OracleConnection connection, OracleTransaction transaction, CommandType commandType,
|
||
string commandText, DataSet dataSet, string[] tableNames,
|
||
params OracleParameter[] commandParameters)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (dataSet == null) throw new ArgumentNullException("dataSet");
|
||
|
||
// Create a command and prepare it for execution
|
||
OracleCommand command = new OracleCommand();
|
||
bool mustCloseConnection = false;
|
||
PrepareCommand(command, connection, transaction, commandType, commandText, commandParameters, out mustCloseConnection);
|
||
|
||
// Create the DataAdapter & DataSet
|
||
using (OracleDataAdapter dataAdapter = new OracleDataAdapter(command))
|
||
{
|
||
|
||
// Add the table mappings specified by the user
|
||
if (tableNames != null && tableNames.Length > 0)
|
||
{
|
||
string tableName = "Table";
|
||
for (int index = 0; index < tableNames.Length; index++)
|
||
{
|
||
if (tableNames[index] == null || tableNames[index].Length == 0) throw new ArgumentException("The tableNames parameter must contain a list of tables, a value was provided as null or empty string.", "tableNames");
|
||
dataAdapter.TableMappings.Add(tableName, tableNames[index]);
|
||
tableName += (index + 1).ToString();
|
||
}
|
||
}
|
||
|
||
// Fill the DataSet using default values for DataTable names, etc
|
||
dataAdapter.Fill(dataSet);
|
||
|
||
// Detach the OracleParameters from the command object, so they can be used again
|
||
command.Parameters.Clear();
|
||
}
|
||
|
||
if (mustCloseConnection)
|
||
connection.Close();
|
||
}
|
||
#endregion
|
||
|
||
#region UpdateDataset
|
||
/// <summary>
|
||
/// Executes the respective command for each inserted, updated, or deleted row in the DataSet.
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// UpdateDataset(conn, insertCommand, deleteCommand, updateCommand, dataSet, "Order");
|
||
/// </remarks>
|
||
/// <param name="insertCommand">A valid transact-SQL statement or stored procedure to insert new records into the data source</param>
|
||
/// <param name="deleteCommand">A valid transact-SQL statement or stored procedure to delete records from the data source</param>
|
||
/// <param name="updateCommand">A valid transact-SQL statement or stored procedure used to update records in the data source</param>
|
||
/// <param name="dataSet">The DataSet used to update the data source</param>
|
||
/// <param name="tableName">The DataTable used to update the data source.</param>
|
||
public static void UpdateDataset(OracleCommand insertCommand, OracleCommand deleteCommand, OracleCommand updateCommand, DataSet dataSet, string tableName)
|
||
{
|
||
if (insertCommand == null) throw new ArgumentNullException("insertCommand");
|
||
if (deleteCommand == null) throw new ArgumentNullException("deleteCommand");
|
||
if (updateCommand == null) throw new ArgumentNullException("updateCommand");
|
||
if (tableName == null || tableName.Length == 0) throw new ArgumentNullException("tableName");
|
||
|
||
// Create a OracleDataAdapter, and dispose of it after we are done
|
||
using (OracleDataAdapter dataAdapter = new OracleDataAdapter())
|
||
{
|
||
// Set the data adapter commands
|
||
dataAdapter.UpdateCommand = updateCommand;
|
||
dataAdapter.InsertCommand = insertCommand;
|
||
dataAdapter.DeleteCommand = deleteCommand;
|
||
|
||
// Update the dataset changes in the data source
|
||
dataAdapter.Update(dataSet, tableName);
|
||
|
||
// Commit all the changes made to the DataSet
|
||
dataSet.AcceptChanges();
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region CreateCommand
|
||
/// <summary>
|
||
/// Simplify the creation of a Sql command object by allowing
|
||
/// a stored procedure and optional parameters to be provided
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// e.g.:
|
||
/// OracleCommand command = CreateCommand(conn, "AddCustomer", "CustomerID", "CustomerName");
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="sourceColumns">An array of string to be assigned as the source columns of the stored procedure parameters</param>
|
||
/// <returns>A valid OracleCommand object</returns>
|
||
public static OracleCommand CreateCommand(OracleConnection connection, string spName, params string[] sourceColumns)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// Create a OracleCommand
|
||
OracleCommand cmd = new OracleCommand(spName, connection);
|
||
cmd.CommandType = CommandType.StoredProcedure;
|
||
|
||
// If we receive parameter values, we need to figure out where they go
|
||
if ((sourceColumns != null) && (sourceColumns.Length > 0))
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connection, spName);
|
||
|
||
// Assign the provided source columns to these parameters based on parameter order
|
||
for (int index = 0; index < sourceColumns.Length; index++)
|
||
commandParameters[index].SourceColumn = sourceColumns[index];
|
||
|
||
// Attach the discovered parameters to the OracleCommand object
|
||
AttachParameters(cmd, commandParameters);
|
||
}
|
||
|
||
return cmd;
|
||
}
|
||
#endregion
|
||
|
||
#region ExecuteNonQueryTypedParams
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns no resultset) against the database specified in
|
||
/// the connection string using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on row values.
|
||
/// </summary>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>An int representing the number of rows affected by the command</returns>
|
||
public static int ExecuteNonQueryTypedParams(String connectionString, String spName, DataRow dataRow)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If the row has values, the store procedure parameters must be initialized
|
||
if (dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connectionString, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteNonQuery(connectionString, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteNonQuery(connectionString, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns no resultset) against the specified OracleConnection
|
||
/// using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on row values.
|
||
/// </summary>
|
||
/// <param name="connection">A valid OracleConnection object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>An int representing the number of rows affected by the command</returns>
|
||
public static int ExecuteNonQueryTypedParams(OracleConnection connection, String spName, DataRow dataRow)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If the row has values, the store procedure parameters must be initialized
|
||
if (dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connection, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteNonQuery(connection, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteNonQuery(connection, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns no resultset) against the specified
|
||
/// OracleTransaction using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on row values.
|
||
/// </summary>
|
||
/// <param name="transaction">A valid OracleTransaction object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>An int representing the number of rows affected by the command</returns>
|
||
public static int ExecuteNonQueryTypedParams(OracleTransaction transaction, String spName, DataRow dataRow)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// Sf the row has values, the store procedure parameters must be initialized
|
||
if (dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(transaction.Connection, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteNonQuery(transaction, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteNonQuery(transaction, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region ExecuteDatasetTypedParams
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the database specified in
|
||
/// the connection string using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on row values.
|
||
/// </summary>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDatasetTypedParams(string connectionString, String spName, DataRow dataRow)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
//If the row has values, the store procedure parameters must be initialized
|
||
if (dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connectionString, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteDataset(connectionString, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteDataset(connectionString, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified OracleConnection
|
||
/// using the dataRow column values as the store procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on row values.
|
||
/// </summary>
|
||
/// <param name="connection">A valid OracleConnection object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDatasetTypedParams(OracleConnection connection, String spName, DataRow dataRow)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If the row has values, the store procedure parameters must be initialized
|
||
if (dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connection, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteDataset(connection, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteDataset(connection, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified OracleTransaction
|
||
/// using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on row values.
|
||
/// </summary>
|
||
/// <param name="transaction">A valid OracleTransaction object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>A dataset containing the resultset generated by the command</returns>
|
||
public static DataSet ExecuteDatasetTypedParams(OracleTransaction transaction, String spName, DataRow dataRow)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If the row has values, the store procedure parameters must be initialized
|
||
if (dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(transaction.Connection, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteDataset(transaction, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteDataset(transaction, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
#endregion
|
||
|
||
#region ExecuteReaderTypedParams
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the database specified in
|
||
/// the connection string using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReaderTypedParams(String connectionString, String spName, DataRow dataRow)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If the row has values, the store procedure parameters must be initialized
|
||
if (dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connectionString, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteReader(connectionString, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteReader(connectionString, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified OracleConnection
|
||
/// using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <param name="connection">A valid OracleConnection object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReaderTypedParams(OracleConnection connection, String spName, DataRow dataRow)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If the row has values, the store procedure parameters must be initialized
|
||
if (dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connection, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteReader(connection, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteReader(connection, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified OracleTransaction
|
||
/// using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <param name="transaction">A valid OracleTransaction object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>A OracleDataReader containing the resultset generated by the command</returns>
|
||
public static OracleDataReader ExecuteReaderTypedParams(OracleTransaction transaction, String spName, DataRow dataRow)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If the row has values, the store procedure parameters must be initialized
|
||
if (dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(transaction.Connection, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteReader(transaction, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteReader(transaction, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region ExecuteScalarTypedParams
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a 1x1 resultset) against the database specified in
|
||
/// the connection string using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalarTypedParams(String connectionString, String spName, DataRow dataRow)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If the row has values, the store procedure parameters must be initialized
|
||
if (dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connectionString, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteScalar(connectionString, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteScalar(connectionString, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a 1x1 resultset) against the specified OracleConnection
|
||
/// using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <param name="connection">A valid OracleConnection object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalarTypedParams(OracleConnection connection, String spName, DataRow dataRow)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If the row has values, the store procedure parameters must be initialized
|
||
if (dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connection, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteScalar(connection, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteScalar(connection, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a 1x1 resultset) against the specified OracleTransaction
|
||
/// using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <param name="transaction">A valid OracleTransaction object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>An object containing the value in the 1x1 resultset generated by the command</returns>
|
||
public static object ExecuteScalarTypedParams(OracleTransaction transaction, String spName, DataRow dataRow)
|
||
{
|
||
if (transaction == null) throw new ArgumentNullException("transaction");
|
||
if (transaction != null && transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
// If the row has values, the store procedure parameters must be initialized
|
||
if (dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(transaction.Connection, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteScalar(transaction, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteScalar(transaction, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region ExecuteXmlReaderTypedParams
|
||
/*
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified OracleConnection
|
||
/// using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <param name="connection">A valid OracleConnection object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>An XmlReader containing the resultset generated by the command</returns>
|
||
public static XmlReader ExecuteXmlReaderTypedParams(OracleConnection connection, String spName, DataRow dataRow)
|
||
{
|
||
if( connection == null ) throw new ArgumentNullException( "connection" );
|
||
if( spName == null || spName.Length == 0 ) throw new ArgumentNullException( "spName" );
|
||
|
||
// If the row has values, the store procedure parameters must be initialized
|
||
if( dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(connection, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteXmlReader(connection, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteXmlReader(connection, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Execute a stored procedure via a OracleCommand (that returns a resultset) against the specified OracleTransaction
|
||
/// using the dataRow column values as the stored procedure's parameters values.
|
||
/// This method will query the database to discover the parameters for the
|
||
/// stored procedure (the first time each stored procedure is called), and assign the values based on parameter order.
|
||
/// </summary>
|
||
/// <param name="transaction">A valid OracleTransaction object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="dataRow">The dataRow used to hold the stored procedure's parameter values.</param>
|
||
/// <returns>An XmlReader containing the resultset generated by the command</returns>
|
||
public static XmlReader ExecuteXmlReaderTypedParams(OracleTransaction transaction, String spName, DataRow dataRow)
|
||
{
|
||
if( transaction == null ) throw new ArgumentNullException( "transaction" );
|
||
if( transaction != null && transaction.Connection == null ) throw new ArgumentException( "The transaction was rollbacked or commited, please provide an open transaction.", "transaction" );
|
||
if( spName == null || spName.Length == 0 ) throw new ArgumentNullException( "spName" );
|
||
|
||
// If the row has values, the store procedure parameters must be initialized
|
||
if( dataRow != null && dataRow.ItemArray.Length > 0)
|
||
{
|
||
// Pull the parameters for this stored procedure from the parameter cache (or discover them & populate the cache)
|
||
OracleParameter[] commandParameters = OracleHelperParameterCache.GetSpParameterSet(transaction.Connection, spName);
|
||
|
||
// Set the parameters values
|
||
AssignParameterValues(commandParameters, dataRow);
|
||
|
||
return OracleHelper.ExecuteXmlReader(transaction, CommandType.StoredProcedure, spName, commandParameters);
|
||
}
|
||
else
|
||
{
|
||
return OracleHelper.ExecuteXmlReader(transaction, CommandType.StoredProcedure, spName);
|
||
}
|
||
}
|
||
*/
|
||
#endregion
|
||
|
||
#region Transaction
|
||
public static OracleTransaction BeginTransaction(string connectionString)
|
||
{
|
||
OracleConnection sc = new OracleConnection(connectionString);
|
||
sc.Open();
|
||
OracleTransaction tran = sc.BeginTransaction();
|
||
return tran;
|
||
}
|
||
|
||
public static OracleTransaction BeginTransaction()
|
||
{
|
||
return BeginTransaction(LocalConnectionString);
|
||
}
|
||
|
||
public static void RollbackTransaction(OracleTransaction tran)
|
||
{
|
||
if (tran != null)
|
||
tran.Rollback();
|
||
if (tran.Connection != null)
|
||
{
|
||
tran.Connection.Close();
|
||
}
|
||
}
|
||
|
||
public static void CommitTransaction(OracleTransaction tran)
|
||
{
|
||
if (tran != null)
|
||
tran.Commit();
|
||
if (tran.Connection != null)
|
||
{
|
||
tran.Connection.Close();
|
||
}
|
||
}
|
||
|
||
|
||
#region 事务写入
|
||
|
||
public static int ExecuteOracleTran(ArrayList SQLStringList, ref string errText)
|
||
{
|
||
errText = string.Empty;
|
||
int row = 0;
|
||
using (OracleConnection conn = new OracleConnection(LocalConnectionString))
|
||
{
|
||
conn.Open();
|
||
OracleCommand cmd = new OracleCommand();
|
||
cmd.Connection = conn;
|
||
OracleTransaction tx = conn.BeginTransaction();
|
||
cmd.Transaction = tx;
|
||
try
|
||
{
|
||
for (int n = 0; n < SQLStringList.Count; n++)
|
||
{
|
||
string strsql = SQLStringList[n].ToString();
|
||
if (strsql.Trim().Length > 1)
|
||
{
|
||
cmd.CommandText = strsql;
|
||
cmd.ExecuteNonQuery();
|
||
}
|
||
}
|
||
tx.Commit();
|
||
row = 1;
|
||
}
|
||
catch (OracleException E)
|
||
{
|
||
errText = E.Message;
|
||
row = 0;
|
||
tx.Rollback();
|
||
throw new Exception(E.Message);
|
||
}
|
||
conn.Close();
|
||
|
||
}
|
||
return row;
|
||
}
|
||
#endregion
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
#endregion
|
||
|
||
public override string ToString()
|
||
{
|
||
return LocalConnectionString;
|
||
}
|
||
#region 操作 girdview就行修改，增加，删除，编辑
|
||
|
||
/// <summary>
|
||
/// 操作 girdview就行修改，增加，删除，编辑
|
||
/// </summary>
|
||
/// <param name="myParmas">sql语句的参数值</param>
|
||
/// <param name="sqlStr">sql语句</param>
|
||
/// <param name="tableName">表名</param>
|
||
/// <param name="modeData">sql语句的操作类型</param>
|
||
/// <returns></returns>
|
||
public static string MangerDataSet(OracleParameter[] myParmas, string sqlStr, DataSet tableName, string modeData)
|
||
{
|
||
|
||
string errText = string.Empty;
|
||
using (OracleConnection con = new OracleConnection(OracleHelper.LocalConnectionString))
|
||
{
|
||
|
||
con.Open();
|
||
|
||
OracleCommand cmmandOralce = con.CreateCommand();
|
||
cmmandOralce.CommandText = sqlStr;
|
||
foreach (OracleParameter parame in myParmas)
|
||
{
|
||
parame.ParameterName = parame.ParameterName.ToUpper();
|
||
parame.SourceColumn = parame.SourceColumn.ToUpper();
|
||
cmmandOralce.Parameters.Add(parame);
|
||
}
|
||
|
||
try
|
||
{
|
||
using (OracleDataAdapter dataAdapter = new OracleDataAdapter())
|
||
{
|
||
if (modeData == "update")
|
||
{
|
||
|
||
dataAdapter.UpdateCommand = cmmandOralce;//更新command设置
|
||
}
|
||
if (modeData == "insert")
|
||
{
|
||
dataAdapter.InsertCommand = cmmandOralce;
|
||
}
|
||
|
||
if (modeData == "delete")
|
||
{
|
||
dataAdapter.DeleteCommand = cmmandOralce;
|
||
}
|
||
|
||
int i = dataAdapter.Update(tableName, tableName.Tables[0].TableName);//数据更新
|
||
if (i == 0)
|
||
{
|
||
errText = "数据操作没有成功!";
|
||
}
|
||
|
||
dataAdapter.Dispose();
|
||
}
|
||
}
|
||
catch (System.Exception e)
|
||
{
|
||
errText = e.Message.ToString();
|
||
}
|
||
con.Close();
|
||
return errText;
|
||
|
||
}
|
||
|
||
}
|
||
public static string MangerDataSet(OracleTransaction tran, OracleParameter[] myParmas, string sqlStr, DataSet tableName, string modeData)
|
||
{
|
||
|
||
string errText = string.Empty;
|
||
OracleCommand cmmandOralce = new OracleCommand();
|
||
cmmandOralce.Transaction = tran;
|
||
cmmandOralce.CommandText = sqlStr;
|
||
foreach (OracleParameter parame in myParmas)
|
||
{
|
||
parame.ParameterName = parame.ParameterName.ToUpper();
|
||
parame.SourceColumn = parame.SourceColumn.ToUpper();
|
||
cmmandOralce.Parameters.Add(parame);
|
||
}
|
||
|
||
try
|
||
{
|
||
using (OracleDataAdapter dataAdapter = new OracleDataAdapter())
|
||
{
|
||
if (modeData == "update")
|
||
{
|
||
|
||
dataAdapter.UpdateCommand = cmmandOralce;//更新command设置
|
||
}
|
||
if (modeData == "insert")
|
||
{
|
||
dataAdapter.InsertCommand = cmmandOralce;
|
||
}
|
||
|
||
if (modeData == "delete")
|
||
{
|
||
dataAdapter.DeleteCommand = cmmandOralce;
|
||
}
|
||
|
||
int i = dataAdapter.Update(tableName, tableName.Tables[0].TableName);//数据更新
|
||
if (i == 0)
|
||
{
|
||
errText = "数据操作没有成功!";
|
||
}
|
||
tran.Commit();
|
||
dataAdapter.Dispose();
|
||
}
|
||
}
|
||
catch (System.Exception e)
|
||
{
|
||
errText = e.Message.ToString();
|
||
}
|
||
|
||
return errText;
|
||
|
||
|
||
|
||
}
|
||
#endregion
|
||
|
||
#region 自定义方法
|
||
/// <summary>
|
||
/// 绑定主子表关系，获取dataset
|
||
/// </summary>
|
||
/// <param name="masterTableName">主表名称</param>
|
||
/// <param name="childTableName">子表名称</param>
|
||
/// <param name="masterStrSql">主表sql语句</param>
|
||
/// <param name="childStrSql">子表sql语句</param>
|
||
/// <param name="unionCell">关系列名</param>
|
||
/// <returns></returns>
|
||
///
|
||
public static DataSet GetFillDataSet(string masterTableName, string childTableName, string masterStrSql, string childStrSql, string unionCell)
|
||
{
|
||
DataSet ds = new DataSet();
|
||
using (OracleConnection con = new OracleConnection(LocalConnectionString))
|
||
{
|
||
OracleDataAdapter masterAdpt = new OracleDataAdapter(masterStrSql, con);
|
||
masterAdpt.Fill(ds, masterTableName);
|
||
OracleDataAdapter childAdpt = new OracleDataAdapter(childStrSql, con);
|
||
childAdpt.Fill(ds, childTableName);
|
||
ds.Relations.Add("细单", ds.Tables[masterTableName].Columns[unionCell], ds.Tables[childTableName].Columns[unionCell], false);
|
||
}
|
||
return ds;
|
||
}
|
||
#endregion
|
||
}
|
||
|
||
/// <summary>
|
||
/// OracleHelperParameterCache provides functions to leverage a static cache of procedure parameters, and the
|
||
/// ability to discover parameters for stored procedures at run-time.
|
||
/// </summary>
|
||
public sealed class OracleHelperParameterCache
|
||
{
|
||
#region private methods, variables, and constructors
|
||
|
||
//Since this class provides only static methods, make the default constructor private to prevent
|
||
//instances from being created with "new OracleHelperParameterCache()"
|
||
private OracleHelperParameterCache() { }
|
||
|
||
private static Hashtable paramCache = Hashtable.Synchronized(new Hashtable());
|
||
|
||
/// <summary>
|
||
/// Resolve at run time the appropriate set of OracleParameters for a stored procedure
|
||
/// </summary>
|
||
/// <param name="connection">A valid OracleConnection object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="includeReturnValueParameter">Whether or not to include their return value parameter</param>
|
||
/// <returns>The parameter array discovered.</returns>
|
||
private static OracleParameter[] DiscoverSpParameterSet(OracleConnection connection, string spName, bool includeReturnValueParameter)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
OracleCommand cmd = new OracleCommand(spName, connection);
|
||
cmd.CommandType = CommandType.StoredProcedure;
|
||
|
||
connection.Open();
|
||
OracleCommandBuilder.DeriveParameters(cmd);
|
||
connection.Close();
|
||
|
||
if (!includeReturnValueParameter)
|
||
{
|
||
cmd.Parameters.RemoveAt(0);
|
||
}
|
||
|
||
OracleParameter[] discoveredParameters = new OracleParameter[cmd.Parameters.Count];
|
||
|
||
cmd.Parameters.CopyTo(discoveredParameters, 0);
|
||
|
||
// Init the parameters with a DBNull value
|
||
|
||
foreach (OracleParameter discoveredParameter in discoveredParameters)
|
||
{
|
||
discoveredParameter.Value = DBNull.Value;
|
||
}
|
||
return discoveredParameters;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Deep copy of cached OracleParameter array
|
||
/// </summary>
|
||
/// <param name="originalParameters"></param>
|
||
/// <returns></returns>
|
||
private static OracleParameter[] CloneParameters(OracleParameter[] originalParameters)
|
||
{
|
||
OracleParameter[] clonedParameters = new OracleParameter[originalParameters.Length];
|
||
|
||
for (int i = 0, j = originalParameters.Length; i < j; i++)
|
||
{
|
||
clonedParameters[i] = (OracleParameter)((ICloneable)originalParameters[i]).Clone();
|
||
}
|
||
return clonedParameters;
|
||
}
|
||
|
||
#endregion private methods, variables, and constructors
|
||
|
||
#region caching functions
|
||
|
||
/// <summary>
|
||
/// Add parameter array to the cache
|
||
/// </summary>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <param name="commandParameters">An array of SqlParamters to be cached</param>
|
||
public static void CacheParameterSet(string connectionString, string commandText, params OracleParameter[] commandParameters)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (commandText == null || commandText.Length == 0) throw new ArgumentNullException("commandText");
|
||
|
||
string hashKey = connectionString + ":" + commandText;
|
||
|
||
paramCache[hashKey] = commandParameters;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Retrieve a parameter array from the cache
|
||
/// </summary>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
||
/// <returns>An array of SqlParamters</returns>
|
||
public static OracleParameter[] GetCachedParameterSet(string connectionString, string commandText)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (commandText == null || commandText.Length == 0) throw new ArgumentNullException("commandText");
|
||
|
||
string hashKey = connectionString + ":" + commandText;
|
||
|
||
OracleParameter[] cachedParameters = paramCache[hashKey] as OracleParameter[];
|
||
if (cachedParameters == null)
|
||
{
|
||
return null;
|
||
}
|
||
else
|
||
{
|
||
return CloneParameters(cachedParameters);
|
||
}
|
||
}
|
||
|
||
#endregion caching functions
|
||
|
||
#region Parameter Discovery Functions
|
||
|
||
/// <summary>
|
||
/// Retrieves the set of OracleParameters appropriate for the stored procedure
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method will query the database for this information, and then store it in a cache for future requests.
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <returns>An array of OracleParameters</returns>
|
||
public static OracleParameter[] GetSpParameterSet(string connectionString, string spName)
|
||
{
|
||
return GetSpParameterSet(connectionString, spName, false);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Retrieves the set of OracleParameters appropriate for the stored procedure
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method will query the database for this information, and then store it in a cache for future requests.
|
||
/// </remarks>
|
||
/// <param name="connectionString">A valid connection string for a OracleConnection</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="includeReturnValueParameter">A bool value indicating whether the return value parameter should be included in the results</param>
|
||
/// <returns>An array of OracleParameters</returns>
|
||
public static OracleParameter[] GetSpParameterSet(string connectionString, string spName, bool includeReturnValueParameter)
|
||
{
|
||
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
using (OracleConnection connection = new OracleConnection(connectionString))
|
||
{
|
||
return GetSpParameterSetInternal(connection, spName, includeReturnValueParameter);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Retrieves the set of OracleParameters appropriate for the stored procedure
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method will query the database for this information, and then store it in a cache for future requests.
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <returns>An array of OracleParameters</returns>
|
||
internal static OracleParameter[] GetSpParameterSet(OracleConnection connection, string spName)
|
||
{
|
||
return GetSpParameterSet(connection, spName, false);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Retrieves the set of OracleParameters appropriate for the stored procedure
|
||
/// </summary>
|
||
/// <remarks>
|
||
/// This method will query the database for this information, and then store it in a cache for future requests.
|
||
/// </remarks>
|
||
/// <param name="connection">A valid OracleConnection object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="includeReturnValueParameter">A bool value indicating whether the return value parameter should be included in the results</param>
|
||
/// <returns>An array of OracleParameters</returns>
|
||
internal static OracleParameter[] GetSpParameterSet(OracleConnection connection, string spName, bool includeReturnValueParameter)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
using (OracleConnection clonedConnection = (OracleConnection)((ICloneable)connection).Clone())
|
||
{
|
||
return GetSpParameterSetInternal(clonedConnection, spName, includeReturnValueParameter);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Retrieves the set of OracleParameters appropriate for the stored procedure
|
||
/// </summary>
|
||
/// <param name="connection">A valid OracleConnection object</param>
|
||
/// <param name="spName">The name of the stored procedure</param>
|
||
/// <param name="includeReturnValueParameter">A bool value indicating whether the return value parameter should be included in the results</param>
|
||
/// <returns>An array of OracleParameters</returns>
|
||
private static OracleParameter[] GetSpParameterSetInternal(OracleConnection connection, string spName, bool includeReturnValueParameter)
|
||
{
|
||
if (connection == null) throw new ArgumentNullException("connection");
|
||
if (spName == null || spName.Length == 0) throw new ArgumentNullException("spName");
|
||
|
||
string hashKey = connection.ConnectionString + ":" + spName + (includeReturnValueParameter ? ":include ReturnValue Parameter" : "");
|
||
|
||
OracleParameter[] cachedParameters;
|
||
|
||
cachedParameters = paramCache[hashKey] as OracleParameter[];
|
||
if (cachedParameters == null)
|
||
{
|
||
OracleParameter[] spParameters = DiscoverSpParameterSet(connection, spName, includeReturnValueParameter);
|
||
paramCache[hashKey] = spParameters;
|
||
cachedParameters = spParameters;
|
||
}
|
||
|
||
return CloneParameters(cachedParameters);
|
||
}
|
||
|
||
#endregion Parameter Discovery Functions
|
||
}
|
||
} |