File: sql_do.cc

package info (click to toggle)
mariadb-10.5 1%3A10.5.23-0%2Bdeb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 712,240 kB
  • sloc: ansic: 2,158,658; cpp: 1,843,101; asm: 297,745; perl: 59,967; sh: 53,869; pascal: 38,348; java: 33,919; yacc: 19,639; python: 11,119; xml: 10,126; sql: 10,027; ruby: 8,544; makefile: 6,343; cs: 2,866; lex: 1,205; javascript: 1,037; objc: 80; tcl: 73; awk: 46; php: 22; sed: 16
file content (51 lines) | stat: -rw-r--r-- 1,725 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */


/* Execute DO statement */

#include "mariadb.h"
#include "sql_priv.h"
#include "transaction.h"
#include "unireg.h"
#include "sql_do.h"
#include "sql_base.h"                           // setup_fields
#include "sql_select.h"                         // free_underlaid_joins

bool mysql_do(THD *thd, List<Item> &values)
{
  List_iterator<Item> li(values);
  Item *value;
  DBUG_ENTER("mysql_do");
  if (setup_fields(thd, Ref_ptr_array(), values, COLUMNS_READ, 0, NULL, 0))
    DBUG_RETURN(TRUE);
  while ((value = li++))
    (void) value->is_null();
  free_underlaid_joins(thd, thd->lex->first_select_lex());

  if (unlikely(thd->is_error()))
  {
    /*
      Rollback the effect of the statement, since next instruction
      will clear the error and the rollback in the end of
      mysql_execute_command() won't work.
    */
    if (! thd->in_sub_stmt)
      trans_rollback_stmt(thd);
    thd->clear_error(); // DO always is OK
  }
  my_ok(thd);
  DBUG_RETURN(FALSE);
}