public override void AddRequiredColumns(IDictionary <string, DataSource> dataSources, IDictionary <string, Type> parameterTypes, IList <string> requiredColumns)
{
foreach (var col in ColumnSet.Select(c => c.SourceColumn + (c.AllColumns ? ".*" : "")))
{
if (!requiredColumns.Contains(col, StringComparer.OrdinalIgnoreCase))
{
requiredColumns.Add(col);
}
}
Source.AddRequiredColumns(dataSources, parameterTypes, requiredColumns);
}