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outer_ref.cc
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2008 Sun Microsystems, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <config.h>
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#include <drizzled/item/uint.h>
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#include <drizzled/item/outer_ref.h>
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namespace
drizzled {
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/*
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Prepare referenced outer field then call usual Item_direct_ref::fix_fields
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SYNOPSIS
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Item_outer_ref::fix_fields()
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session thread handler
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reference reference on reference where this item stored
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RETURN
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false OK
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true Error
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*/
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bool
Item_outer_ref::fix_fields
(
Session
*session,
Item
**reference)
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{
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/* outer_ref->check_cols() will be made in Item_direct_ref::fix_fields */
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if
((*ref) && !(*ref)->fixed && ((*ref)->fix_fields(session, reference)))
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return
true
;
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bool
err=
Item_direct_ref::fix_fields
(session, reference);
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if
(!outer_ref)
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outer_ref= *ref;
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if
((*ref)->type() == Item::FIELD_ITEM)
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table_name= ((
Item_field
*)outer_ref)->table_name;
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return
err;
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}
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void
Item_outer_ref::fix_after_pullout
(Select_Lex *new_parent,
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Item
**ref_item)
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{
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if
(depended_from == new_parent)
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{
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*ref_item= outer_ref;
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outer_ref->
fix_after_pullout
(new_parent, ref_item);
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}
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}
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}
/* namespace drizzled */
drizzled
item
outer_ref.cc
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