/// <summary>
/// Returns schema information for the data source of this <see cref="DbConnection"/>
/// using the specified string for the schema name and the specified string array
/// for the restriction values.
/// </summary>
/// <param name="collectionName">Specifies the name of the schema to return.</param>
/// <param name="restrictionValues">Specifies a set of restriction values for the requested schema.</param>
/// <returns>A <see cref="DataTable"/> that contains schema information.</returns>
public override DataTable GetSchema(string collectionName, string[] restrictionValues)
{
if (collectionName == null)
{
collectionName = SchemaProvider.MetaCollection;
}
string[] restrictions = schemaProvider.CleanRestrictions(restrictionValues);
MyCatSchemaCollection c = schemaProvider.GetSchema(collectionName, restrictions);
return(c.AsDataTable());
}