/// <summary>
/// Gets the schema to use.
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
private SqlSchema GetSchema(DatabaseUpdateArgs args)
{
if (args == null)
{
throw new ArgumentNullException("args");
}
// mbr - 02-10-2007 - build a search spec...
GetSchemaArgs schemaArgs = new GetSchemaArgs()
{
DatabaseName = args.DatabaseName
};
foreach (EntityType et in args.LimitEntityTypes)
{
schemaArgs.ConstrainTableNames.Add(et.NativeName.Name);
schemaArgs.ConstrainTableNames.Add(et.NativeNameExtended.Name);
}
// get the schema...
SqlSchema schema = Database.GetSchema(schemaArgs);
if (schema == null)
{
throw new InvalidOperationException("schema is null.");
}
// return...
return(schema);
}
/// <summary>
/// Gets the schema for the database.
/// </summary>
/// <returns></returns>
// mbr - 02-10-2007 - added specification.
protected override SqlSchema CreateSchema(GetSchemaArgs args)
{
// base...
SqlServerInformationSchemaFactory factory = new SqlServerInformationSchemaFactory(this);
SqlSchema schema = factory.GetSchema(args);
if (schema == null)
{
throw new InvalidOperationException("schema is null.");
}
// keys...
this.SetupKeyColumns(schema);
// indexes...
this.AddIndexesToSchema(schema);
// parents...
this.AddParentLinks(schema);
// return...
return(schema);
}