Drizzled Public API Documentation

insert.cc
00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 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; either version 2 of the License, or
00009  *  (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License
00017  *  along with this program; if not, write to the Free Software
00018  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00019  */
00020 
00021 #include <config.h>
00022 #include <drizzled/show.h>
00023 #include <drizzled/lock.h>
00024 #include <drizzled/session.h>
00025 #include <drizzled/probes.h>
00026 #include <drizzled/statement/insert.h>
00027 #include <drizzled/sql_lex.h>
00028 
00029 namespace drizzled {
00030 
00031 bool statement::Insert::execute()
00032 {
00033   TableList *first_table= (TableList *) lex().select_lex.table_list.first;
00034   TableList *all_tables= lex().query_tables;
00035   assert(first_table == all_tables && first_table != 0);
00036 
00037   if (insert_precheck(&session(), all_tables))
00038   {
00039     return true;
00040   }
00041 
00042   if (session().wait_if_global_read_lock(false, true))
00043   {
00044     return true;
00045   }
00046 
00047   DRIZZLE_INSERT_START(session().getQueryString()->c_str());
00048 
00049   bool res= insert_query(&session(),
00050                          all_tables,
00051                          lex().field_list,
00052                          lex().many_values,
00053                          lex().update_list,
00054                          lex().value_list,
00055                          lex().duplicates,
00056                          lex().ignore);
00057   /*
00058      Release the protection against the global read lock and wake
00059      everyone, who might want to set a global read lock.
00060    */
00061   session().startWaitingGlobalReadLock();
00062 
00063   return res;
00064 }
00065 
00066 } /* namespace drizzled */