/// <summary>
/// Converts the IDataIndexColumn based object to appropriate values based on source and target DataContext types.
/// </summary>
/// <param name="sourceDataContext">The source DataContext.</param>
/// <param name="targetDataContext">The target DataContext.</param>
/// <param name="indexColumn">The IDataIndexColumn object to convert.</param>
public static void ConvertDataIndexColumn(DataContext sourceDataContext, DataContext targetDataContext, ref IIndexColumn indexColumn)
{
switch (sourceDataContext.ContextType)
{
case DataContextType.MySql:
switch (targetDataContext.ContextType)
{
case DataContextType.SqlServer:
ConvertMySqlToSqlServerDataIndexColumn(sourceDataContext, targetDataContext, ref indexColumn);
return;
default:
return;
}
case DataContextType.SqlServer:
switch (targetDataContext.ContextType)
{
case DataContextType.MySql:
ConvertSqlServerToMySqlDataIndexColumn(sourceDataContext, targetDataContext, ref indexColumn);
return;
default:
return;
}
default:
return;
}
}
/// <summary>
/// Converts the IDataIndexColumn based object to appropriate values based on source and target DataContext types.
/// SqlServer -> SqlServer specific.
/// </summary>
/// <param name="sourceDataContext">The source DataContext.</param>
/// <param name="targetDataContext">The target DataContext.</param>
/// <param name="indexColumn">The IDataIndexColumn object to convert.</param>
private static void ConvertSqlServerToMySqlDataIndexColumn(DataContext sourceDataContext, DataContext targetDataContext, ref IIndexColumn indexColumn)
{
if (sourceDataContext.ContextType != DataContextType.SqlServer)
{
throw new Exception(string.Format("Invalid sourceDataContext type of {0} for DataIndexColumns.CompareSqlServerToMySqlDataIndexColumn", sourceDataContext.ContextType));
}
if (targetDataContext.ContextType != DataContextType.MySql)
{
throw new Exception(string.Format("Invalid targetDataContext type of {0} for DataIndexColumns.CompareSqlServerToMySqlDataIndexColumn", targetDataContext.ContextType));
}
indexColumn.IsDescendingKey = false;
indexColumn.IsIncludedColumn = false;
}
/// <summary>
/// Converts the IDataIndexColumn based object to appropriate values based on source and target DataContext types.
/// MySql -> SqlServer specific.
/// </summary>
/// <param name="sourceDataContext">The source DataContext.</param>
/// <param name="targetDataContext">The target DataContext.</param>
/// <param name="indexColumn">The IDataIndexColumn object to convert.</param>
private static void ConvertMySqlToSqlServerDataIndexColumn(DataContext sourceDataContext, DataContext targetDataContext, ref IIndexColumn indexColumn)
{
if (sourceDataContext.ContextType != DataContextType.MySql)
{
throw new Exception(string.Format("Invalid sourceDataContext type of {0} for DataIndexColumns.CompareMySqlToSqlServerDataIndexColumn", sourceDataContext.ContextType));
}
if (targetDataContext.ContextType != DataContextType.SqlServer)
{
throw new Exception(string.Format("Invalid targetDataContext type of {0} for DataIndexColumns.CompareMySqlToSqlServerDataIndexColumn", targetDataContext.ContextType));
}
return;
}
/// <summary>
/// Compares IDataIndexColumn based objects based on source and target DataContext types.
/// SqlServer -> SqlServer specific.
/// </summary>
/// <param name="sourceDataContext">The source DataContext.</param>
/// <param name="targetDataContext">The target DataContext.</param>
/// <param name="sourceIndexColumn">The source IDataIndexColumn.</param>
/// <param name="targetIndexColumn">The target IDataIndexColumn.</param>
/// <returns>
/// true - the datasource differentiated index column properties matched.
/// false - the datasource differentiated index column properties did not match.
/// </returns>
private static bool CompareSqlServerToSqlServerDataIndexColumn(DataContext sourceDataContext, DataContext targetDataContext, IIndexColumn sourceIndexColumn, IIndexColumn targetIndexColumn)
{
if (sourceDataContext.ContextType != DataContextType.SqlServer)
{
throw new Exception(string.Format("Invalid sourceDataContext type of {0} for DataIndexColumns.CompareSqlServerToSqlServerDataIndexColumn", sourceDataContext.ContextType));
}
if (targetDataContext.ContextType != DataContextType.SqlServer)
{
throw new Exception(string.Format("Invalid targetDataContext type of {0} for DataIndexColumns.CompareSqlServerToSqlServerDataIndexColumn", targetDataContext.ContextType));
}
if (sourceIndexColumn.IsDescendingKey != targetIndexColumn.IsDescendingKey)
{
return(false);
}
if (sourceIndexColumn.IsIncludedColumn != targetIndexColumn.IsIncludedColumn)
{
return(false);
}
if (sourceIndexColumn.KeyOrdinal != targetIndexColumn.KeyOrdinal)
{
return(false);
}
return(sourceIndexColumn.PartitionOrdinal == targetIndexColumn.PartitionOrdinal);
}
/// <summary>
/// Compares IDataIndexColumn based objects based on source and target DataContext types.
/// </summary>
/// <param name="sourceDataContext">The source DataContext.</param>
/// <param name="targetDataContext">The target DataContext.</param>
/// <param name="sourceIndexColumn">The source IDataIndexColumn.</param>
/// <param name="targetIndexColumn">The target IDataIndexColumn.</param>
/// <returns>
/// true - the datasource differentiated index column properties matched.
/// false - the datasource differentiated index column properties did not match.
/// </returns>
public static bool CompareDataIndexColumn(DataContext sourceDataContext, DataContext targetDataContext, IIndexColumn sourceIndexColumn, IIndexColumn targetIndexColumn)
{
switch (sourceDataContext.ContextType)
{
case DataContextType.MySql:
switch (targetDataContext.ContextType)
{
case DataContextType.MySql:
return(CompareMySqlToMySqlDataIndexColumn(sourceDataContext, targetDataContext, sourceIndexColumn, targetIndexColumn));
case DataContextType.SqlServer:
return(CompareMySqlToSqlServerDataIndexColumn(sourceDataContext, targetDataContext, sourceIndexColumn, targetIndexColumn));
default:
return(false);
}
case DataContextType.SqlServer:
switch (targetDataContext.ContextType)
{
case DataContextType.MySql:
return(CompareSqlServerToMySqlDataIndexColumn(sourceDataContext, targetDataContext, sourceIndexColumn, targetIndexColumn));
case DataContextType.SqlServer:
return(CompareSqlServerToSqlServerDataIndexColumn(sourceDataContext, targetDataContext, sourceIndexColumn, targetIndexColumn));
default:
return(false);
}
default:
return(false);
}
}
/// <summary>
/// Compares IDataIndexColumn based objects based on source and target DataContext types.
/// MySql -> MySql specific.
/// </summary>
/// <param name="sourceDataContext">The source DataContext.</param>
/// <param name="targetDataContext">The target DataContext.</param>
/// <param name="sourceIndexColumn">The source IDataIndexColumn.</param>
/// <param name="targetIndexColumn">The target IDataIndexColumn.</param>
/// <returns>
/// true - the datasource differentiated index column properties matched.
/// false - the datasource differentiated index column properties did not match.
/// </returns>
private static bool CompareMySqlToMySqlDataIndexColumn(DataContext sourceDataContext, DataContext targetDataContext, IIndexColumn sourceIndexColumn, IIndexColumn targetIndexColumn)
{
if (sourceDataContext.ContextType != DataContextType.MySql)
{
throw new Exception(string.Format("Invalid sourceDataContext type of {0} for DataIndexColumns.CompareMySqlToMySqlDataIndexColumn", sourceDataContext.ContextType));
}
if (targetDataContext.ContextType != DataContextType.MySql)
{
throw new Exception(string.Format("Invalid targetDataContext type of {0} for DataIndexColumns.CompareMySqlToMySqlDataIndexColumn", targetDataContext.ContextType));
}
if (sourceIndexColumn.KeyOrdinal != targetIndexColumn.KeyOrdinal)
{
return(false);
}
return(sourceIndexColumn.PartitionOrdinal == targetIndexColumn.PartitionOrdinal);
}
