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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Brian Aker
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "plugin/information_schema_dictionary/dictionary.h"
using namespace std;
using namespace drizzled;
ReferentialConstraints::ReferentialConstraints() :
InformationSchema("REFERENTIAL_CONSTRAINTS")
{
add_field("CONSTRAINT_CATALOG");
add_field("CONSTRAINT_SCHEMA");
add_field("CONSTRAINT_NAME");
add_field("UNIQUE_CONSTRAINT_CATALOG");
add_field("UNIQUE_CONSTRAINT_SCHEMA");
add_field("UNIQUE_CONSTRAINT_NAME");
add_field("MATCH_OPTION");
add_field("UPDATE_RULE");
add_field("DELETE_RULE");
}
ReferentialConstraints::Generator::Generator(drizzled::Field **arg) :
InformationSchema::Generator(arg),
foreign_key_generator(getSession())
{
}
bool ReferentialConstraints::Generator::populate()
{
drizzled::generator::FieldPair field_pair;
while (!!(field_pair= foreign_key_generator))
{
const drizzled::message::Table *table_message= field_pair.first;
const message::Table::ForeignKeyConstraint &foreign_key(table_message->fk_constraint(field_pair.second));
// CONSTRAINT_CATALOG
push(table_message->catalog());
// CONSTRAINT_SCHEMA
push(table_message->schema());
// CONSTRAINT_NAME
push(foreign_key.name());
// UNIQUE_CONSTRAINT_CATALOG
push(table_message->catalog());
// UNIQUE_CONSTRAINT_SCHEMA
push(table_message->schema());
// UNIQUE_CONSTRAINT_NAME
push(" ");
// MATCH_OPTION
push(drizzled::message::type(foreign_key.match()));
//UPDATE_RULE
push(drizzled::message::type(foreign_key.update_option()));
//DELETE_RULE
push(drizzled::message::type(foreign_key.delete_option()));
return true;
}
return false;
}
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