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| author | Michael Widenius <monty@askmonty.org> | 2011-05-16 15:07:04 +0300 |
|---|---|---|
| committer | Michael Widenius <monty@askmonty.org> | 2011-05-16 15:07:04 +0300 |
| commit | 8543621fa0f4a3c4102ac8f799888ef79e2e1dcf (patch) | |
| tree | 29e8f301ef929cfe1c00eec9dee265aa0acaa350 /sql/sql_update.cc | |
| parent | f458e198c0bea67c6a3787738108bbfb139639bd (diff) | |
| parent | bcee6652c6052cabd67f8d30c14e162235749d38 (diff) | |
| download | mariadb-git-8543621fa0f4a3c4102ac8f799888ef79e2e1dcf.tar.gz | |
Merge with 5.3 main
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 6ec95989f38..c7764274bde 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); |