00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*- 00002 * vim:expandtab:shiftwidth=2:tabstop=2:smarttab: 00003 * 00004 * Copyright (C) 2008 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 #include <config.h> 00021 00022 #include <drizzled/function/last_insert.h> 00023 #include <drizzled/session.h> 00024 00025 namespace drizzled 00026 { 00027 00028 int64_t Item_func_last_insert_id::val_int() 00029 { 00030 assert(fixed == 1); 00031 if (arg_count) 00032 { 00033 int64_t value= args[0]->val_int(); 00034 null_value= args[0]->null_value; 00035 /* 00036 LAST_INSERT_ID(X) must affect the client's insert_id() as 00037 documented in the manual. We don't want to touch 00038 first_successful_insert_id_in_cur_stmt because it would make 00039 LAST_INSERT_ID(X) take precedence over an generated auto_increment 00040 value for this row. 00041 */ 00042 getSession().arg_of_last_insert_id_function= true; 00043 getSession().first_successful_insert_id_in_prev_stmt= value; 00044 00045 return value; 00046 } 00047 return getSession().read_first_successful_insert_id_in_prev_stmt(); 00048 } 00049 00050 00051 bool Item_func_last_insert_id::fix_fields(Session *session, Item **ref) 00052 { 00053 return Item_int_func::fix_fields(session, ref); 00054 } 00055 00056 } /* namespace drizzled */