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| author | Sergey Petrunya <psergey@askmonty.org> | 2011-12-07 01:03:00 +0400 |
|---|---|---|
| committer | Sergey Petrunya <psergey@askmonty.org> | 2011-12-07 01:03:00 +0400 |
| commit | 8e25dcfcd7bc1ccf9d65b2f12eba4543ed1bf9f4 (patch) | |
| tree | 902b1c51f21914d62467f9ec550d9dab22ad1897 /sql/table.cc | |
| parent | 264aaf111d0493f0472e704ad7dda426f81376ea (diff) | |
| download | mariadb-git-8e25dcfcd7bc1ccf9d65b2f12eba4543ed1bf9f4.tar.gz | |
BUG#868908: Crash in check_simple_equality() with semijoin + materialization + prepared statement
- Part 1 of the fix: for semi-join merged subqueries, calling child_join->optimize() until we're done with all
PS-lifetime optimizations in the parent.
Diffstat (limited to 'sql/table.cc')
| -rw-r--r-- | sql/table.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sql/table.cc b/sql/table.cc index 23c43f91d22..28c45a77396 100644 --- a/sql/table.cc +++ b/sql/table.cc @@ -5922,6 +5922,8 @@ bool TABLE_LIST::init_derived(THD *thd, bool init_view) int TABLE_LIST::fetch_number_of_rows() { int error= 0; + if (jtbm_subselect) /* psergey-todo: how did we work before? */ + return 0; /*psergey-todo: check if we still need to set it? */ if (is_materialized_derived() && !fill_me) { |