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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* 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
*/
#ifndef DRIZZLED_NAME_RESOLUTION_CONTEXT_STATE_H
#define DRIZZLED_NAME_RESOLUTION_CONTEXT_STATE_H
namespace drizzled
{
class TableList;
class Name_resolution_context;
/*
Store and restore the current state of a name resolution context.
*/
class Name_resolution_context_state
{
private:
TableList *save_table_list;
TableList *save_first_name_resolution_table;
TableList *save_next_name_resolution_table;
bool save_resolve_in_select_list;
TableList *save_next_local;
public:
Name_resolution_context_state() {} /* Remove gcc warning */
/* Save the state of a name resolution context. */
void save_state(Name_resolution_context *context, TableList *table_list);
/* Restore a name resolution context from saved state. */
void restore_state(Name_resolution_context *context, TableList *table_list);
TableList *get_first_name_resolution_table();
};
} /* namespace drizzled */
#endif /* DRIZZLED_NAME_RESOLUTION_CONTEXT_STATE_H */
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