← Back to branch summary

~drizzle-trunk/drizzle/development

« back to all changes in this revision

Viewing changes to drizzled/statement/replace.cc

  • Committer: Brian Aker
  • Date: 2009-10-07 16:55:53 UTC
  • mfrom: (1161.2.1 bug444827)
  • Revision ID: brian@gaz-20091007165553-9tnp7liw1k9g6gvc
Merge Padraig

Show diffs side-by-side

added added

removed removed

Lines of Context:
drizzled/statement/replace.cc
1
1
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2
2
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3
3
 *
4
 
 *  Copyright (C) 2009 Sun Microsystems, Inc.
 
4
 *  Copyright (C) 2009 Sun Microsystems
5
5
 *
6
6
 *  This program is free software; you can redistribute it and/or modify
7
7
 *  it under the terms of the GNU General Public License as published by
18
18
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
19
19
 */
20
20
 
21
 
#include "config.h"
 
21
#include <drizzled/server_includes.h>
22
22
#include <drizzled/show.h>
23
23
#include <drizzled/lock.h>
24
24
#include <drizzled/session.h>
25
25
#include <drizzled/statement/replace.h>
26
26
 
27
 
namespace drizzled
28
 
{
 
27
using namespace drizzled;
29
28
 
30
29
bool statement::Replace::execute()
31
30
{
32
 
  TableList *first_table= (TableList *) getSession()->lex->select_lex.table_list.first;
33
 
  TableList *all_tables= getSession()->lex->query_tables;
 
31
  TableList *first_table= (TableList *) session->lex->select_lex.table_list.first;
 
32
  TableList *all_tables= session->lex->query_tables;
34
33
  assert(first_table == all_tables && first_table != 0);
35
 
 
36
 
  if (insert_precheck(getSession(), all_tables))
37
 
  {
38
 
    return true;
39
 
  }
40
 
 
41
 
  if (getSession()->wait_if_global_read_lock(false, true))
42
 
  {
43
 
    return true;
44
 
  }
45
 
 
46
 
  bool res= insert_query(getSession(), 
 
34
  bool need_start_waiting= false;
 
35
 
 
36
  if (insert_precheck(session, all_tables))
 
37
  {
 
38
    return true;
 
39
  }
 
40
 
 
41
  if (! (need_start_waiting= ! wait_if_global_read_lock(session, 0, 1)))
 
42
  {
 
43
    return true;
 
44
  }
 
45
 
 
46
  bool res= mysql_insert(session, 
47
47
                         all_tables, 
48
 
                         getSession()->lex->field_list, 
49
 
                         getSession()->lex->many_values,
50
 
                         getSession()->lex->update_list, 
51
 
                         getSession()->lex->value_list,
52
 
                         getSession()->lex->duplicates, 
53
 
                         getSession()->lex->ignore);
 
48
                         session->lex->field_list, 
 
49
                         session->lex->many_values,
 
50
                         session->lex->update_list, 
 
51
                         session->lex->value_list,
 
52
                         session->lex->duplicates, 
 
53
                         session->lex->ignore);
54
54
  /*
55
55
     Release the protection against the global read lock and wake
56
56
     everyone, who might want to set a global read lock.
57
57
   */
58
 
  getSession()->startWaitingGlobalReadLock();
59
 
 
 
58
  start_waiting_global_read_lock(session);
60
59
  return res;
61
60
}
62
 
 
63
 
} /* namespace drizzled */
64