99 lines
3.9 KiB
C#
99 lines
3.9 KiB
C#
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/************************************************************************************
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*
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* Umbraco Data Layer
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* MIT Licensed work
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* <EFBFBD>2008 Ruben Verborgh
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*
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***********************************************************************************/
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using System;
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using System.Data;
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using System.Data.SqlServerCe;
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using System.Xml;
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using System.Diagnostics;
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using umbraco.DataLayer;
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using umbraco.DataLayer.SqlHelpers.SqlServer;
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namespace SqlCE4Umbraco
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{
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/// <summary>
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/// Sql Helper for an SQL Server database.
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/// </summary>
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public class SqlCEHelper : SqlHelper<SqlCeParameter>
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="SqlCEHelper"/> class.
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/// </summary>
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/// <param name="connectionString">The connection string.</param>
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public SqlCEHelper(string connectionString) : base(connectionString)
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{
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m_Utility = new SqlCEUtility(this);
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}
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/// <summary>
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/// Creates a new parameter for use with this specific implementation of ISqlHelper.
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/// </summary>
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/// <param name="parameterName">Name of the parameter.</param>
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/// <param name="value">Value of the parameter.</param>
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/// <returns>A new parameter of the correct type.</returns>
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/// <remarks>Abstract factory pattern</remarks>
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public override IParameter CreateParameter(string parameterName, object value)
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{
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return new SqlCEParameter(parameterName, value);
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}
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/// <summary>
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/// Executes a command that returns a single value.
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/// </summary>
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/// <param name="commandText">The command text.</param>
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/// <param name="parameters">The parameters.</param>
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/// <returns>The return value of the command.</returns>
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protected override object ExecuteScalar(string commandText, SqlCeParameter[] parameters)
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{
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#if DEBUG && DebugDataLayer
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// Log Query Execution
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Trace.TraceInformation(GetType().Name + " SQL ExecuteScalar: " + commandText);
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#endif
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return SqlCeApplicationBlock.ExecuteScalar(ConnectionString, CommandType.Text, commandText, parameters);
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}
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/// <summary>
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/// Executes a command and returns the number of rows affected.
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/// </summary>
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/// <param name="commandText">The command text.</param>
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/// <param name="parameters">The parameters.</param>
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/// <returns>
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/// The number of rows affected by the command.
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/// </returns>
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protected override int ExecuteNonQuery(string commandText, SqlCeParameter[] parameters)
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{
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#if DEBUG && DebugDataLayer
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// Log Query Execution
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Trace.TraceInformation(GetType().Name + " SQL ExecuteNonQuery: " + commandText);
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#endif
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return SqlCeApplicationBlock.ExecuteNonQuery(ConnectionString, CommandType.Text, commandText, parameters);
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}
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/// <summary>
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/// Executes a command and returns a records reader containing the results.
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/// </summary>
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/// <param name="commandText">The command text.</param>
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/// <param name="parameters">The parameters.</param>
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/// <returns>
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/// A data reader containing the results of the command.
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/// </returns>
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protected override IRecordsReader ExecuteReader(string commandText, SqlCeParameter[] parameters)
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{
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#if DEBUG && DebugDataLayer
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// Log Query Execution
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Trace.TraceInformation(GetType().Name + " SQL ExecuteReader: " + commandText);
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#endif
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return new SqlCeDataReaderHelper(SqlCeApplicationBlock.ExecuteReader(ConnectionString, CommandType.Text,
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commandText, parameters));
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}
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}
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}
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