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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2009 Sun Microsystems, Inc.
*
* 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; version 2 of the License.
*
* 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 <drizzled/natural_join_column.h>
#include <drizzled/table_list.h>
#include <drizzled/session.h>
#include <drizzled/sql_lex.h>
namespace drizzled {
Natural_join_column::Natural_join_column(Field *field_param,
TableList *tab)
{
assert(tab->table == field_param->getTable());
table_field= field_param;
table_ref= tab;
is_common= false;
}
const char *Natural_join_column::name()
{
return table_field->field_name;
}
Item *Natural_join_column::create_item(Session *session)
{
return new Item_field(session, &session->lex().current_select->context, table_field);
}
Field *Natural_join_column::field()
{
return table_field;
}
const char *Natural_join_column::table_name()
{
assert(table_ref);
return table_ref->alias;
}
const char *Natural_join_column::db_name()
{
/*
Test that TableList::db is the same as TableShare::db to
ensure consistency.
*/
assert(!strcmp(table_ref->getSchemaName(), table_ref->table->getShare()->getSchemaName()));
return table_ref->getSchemaName();
}
} /* namespace drizzled */
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