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Viewing changes to drizzled/functions/master_pos_wait.cc

  • Committer: Eric Herman
  • Date: 2008-12-07 15:29:44 UTC
  • mto: (656.1.14 devel)
  • mto: This revision was merged to the branch mainline in revision 670.
  • Revision ID: eric@mysql.com-20081207152944-cq1nx1cyi0huqj0f
Added pointer to online version of the FAQ

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drizzled/functions/master_pos_wait.cc
 
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 
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 *
 
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 *  Copyright (C) 2008 Sun Microsystems
 
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 *
 
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 *  This program is free software; you can redistribute it and/or modify
 
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 *  it under the terms of the GNU General Public License as published by
 
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 *  the Free Software Foundation; version 2 of the License.
 
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 *
 
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 *  This program is distributed in the hope that it will be useful,
 
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *  GNU General Public License for more details.
 
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 *
 
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 *  You should have received a copy of the GNU General Public License
 
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 *  along with this program; if not, write to the Free Software
 
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
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 */
 
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#include <drizzled/server_includes.h>
 
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#include <drizzled/replication/mi.h>
 
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#include CSTDINT_H
 
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#include <drizzled/functions/master_pos_wait.h>
 
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#include <drizzled/session.h>
 
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/**
 
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  Wait until we are at or past the given position in the master binlog
 
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  on the slave.
 
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*/
 
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int64_t Item_master_pos_wait::val_int()
 
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{
 
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  assert(fixed == 1);
 
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  Session* session = current_session;
 
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  String *log_name = args[0]->val_str(&value);
 
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  int event_count= 0;
 
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  null_value=0;
 
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  if (session->slave_thread || !log_name || !log_name->length())
 
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  {
 
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    null_value = 1;
 
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    return 0;
 
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  }
 
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  int64_t pos = (ulong)args[1]->val_int();
 
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  int64_t timeout = (arg_count==3) ? args[2]->val_int() : 0 ;
 
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  if ((event_count = active_mi->rli.wait_for_pos(session, log_name, pos, timeout)) == -2)
 
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  {
 
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    null_value = 1;
 
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    event_count=0;
 
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  }
 
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  return event_count;
 
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}
 
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