Drizzled Public API Documentation

kill.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 
00023 #include <drizzled/kill.h>
00024 #include <drizzled/session.h>
00025 #include <drizzled/statement/kill.h>
00026 
00027 namespace drizzled
00028 {
00029 
00030 namespace statement
00031 {
00032 
00033 Kill::Kill(Session *in_session, Item *item, bool is_query_kill) :
00034   Statement(in_session)
00035   {
00036     if (is_query_kill)
00037     {
00038       lex().type= ONLY_KILL_QUERY;
00039     }
00040 
00041     lex().value_list.clear();
00042     lex().value_list.push_front(item);
00043     set_command(SQLCOM_KILL);
00044   }
00045 
00046 } // namespace statement
00047 
00048 bool statement::Kill::execute()
00049 {
00050   Item *it= &lex().value_list.front();
00051 
00052   if ((not it->fixed && it->fix_fields(lex().session, &it)) || it->check_cols(1))
00053   {
00054     my_message(ER_SET_CONSTANTS_ONLY, 
00055                ER(ER_SET_CONSTANTS_ONLY),
00056                MYF(0));
00057     return true;
00058   }
00059 
00060   if (drizzled::kill(*session().user(), static_cast<session_id_t>(it->val_int()), lex().type & ONLY_KILL_QUERY))
00061   {
00062     session().my_ok();
00063   }
00064   else
00065   {
00066     my_error(ER_NO_SUCH_THREAD, MYF(0), it->val_int());
00067   }
00068 
00069   return false;
00070 }
00071 
00072 } /* namespace drizzled */
00073