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| author | unknown <timour@askmonty.org> | 2011-03-30 10:10:59 +0300 |
|---|---|---|
| committer | unknown <timour@askmonty.org> | 2011-03-30 10:10:59 +0300 |
| commit | 952556b3452d4a6893a678da88809b22e7f7a466 (patch) | |
| tree | 938de6db815840eb2038bdded942ab684e4673d0 /sql/sql_update.cc | |
| parent | 9762b236d47e74f2f065c89a747c1a8d3444ed18 (diff) | |
| parent | 0737fb479f082c424881e79e4c358670176ebca2 (diff) | |
| download | mariadb-git-952556b3452d4a6893a678da88809b22e7f7a466.tar.gz | |
MWL#89
Merge 5.3 with 5.3-mwl89.
Diffstat (limited to 'sql/sql_update.cc')
| -rw-r--r-- | sql/sql_update.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/sql_update.cc b/sql/sql_update.cc index 0a4d3a4ba80..7e40e3516f6 100644 --- a/sql/sql_update.cc +++ b/sql/sql_update.cc @@ -307,6 +307,10 @@ int mysql_update(THD *thd, DBUG_RETURN(1); /* purecov: inspected */ } + /* Apply the IN=>EXISTS transformation to all subqueries and optimize them. */ + if (select_lex->optimize_unflattened_subqueries()) + DBUG_RETURN(TRUE); + if (select_lex->inner_refs_list.elements && fix_inner_refs(thd, all_fields, select_lex, select_lex->ref_pointer_array)) DBUG_RETURN(1); |