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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/item_subselect.h | |
| 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/item_subselect.h')
| -rw-r--r-- | sql/item_subselect.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/item_subselect.h b/sql/item_subselect.h index 28ce0061729..ae096ac1a39 100644 --- a/sql/item_subselect.h +++ b/sql/item_subselect.h @@ -449,6 +449,7 @@ public: double jtbm_read_time; double jtbm_record_count; bool is_jtbm_merged; + bool is_jtbm_const_tab; /* TRUE<=>this is a flattenable semi-join, false overwise. |