Drizzled Public API Documentation

enum_nested_loop_state.h
00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2008-2009 Sun Microsystems, Inc.
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; version 2 of the License.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018  */
00019 
00020 #pragma once
00021 
00022 namespace drizzled
00023 {
00024 
00026 enum enum_nested_loop_state
00027 {
00028   NESTED_LOOP_KILLED= -2,
00029   NESTED_LOOP_ERROR= -1,
00030   NESTED_LOOP_OK= 0,
00031   NESTED_LOOP_NO_MORE_ROWS= 1,
00032   NESTED_LOOP_QUERY_LIMIT= 3,
00033   NESTED_LOOP_CURSOR_LIMIT= 4
00034 };
00035 
00036 class Join;
00037 class JoinTable;
00038 
00039 typedef enum_nested_loop_state (*Next_select_func)(Join *, JoinTable *, bool);
00040 typedef int (*Read_record_func)(JoinTable *tab);
00041 Next_select_func setup_end_select_func(Join *join);
00042 
00043 } /* namespace drizzled */
00044