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| author | Oleksandr Byelkin <sanja@mariadb.com> | 2015-08-05 11:57:35 +0200 |
|---|---|---|
| committer | Oleksandr Byelkin <sanja@mariadb.com> | 2015-10-06 13:12:58 +0200 |
| commit | 504802f333d3ba2a7385ca14f5b40a3facc72de8 (patch) | |
| tree | e31570e3ee89255bf2be2a2676613cb9cef415e5 /sql/item_subselect.h | |
| parent | 54b998173b128bb8362b5dbafbd66c4199776937 (diff) | |
| download | mariadb-git-504802f333d3ba2a7385ca14f5b40a3facc72de8.tar.gz | |
MDEV-7846: postreview fix
Diffstat (limited to 'sql/item_subselect.h')
| -rw-r--r-- | sql/item_subselect.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sql/item_subselect.h b/sql/item_subselect.h index 930bd665e3a..0ee5f73eb35 100644 --- a/sql/item_subselect.h +++ b/sql/item_subselect.h @@ -449,6 +449,11 @@ protected: Item **having_item); public: Item *left_expr; + /* + Important for PS/SP: left_expr_orig is the item that left_expr originally + pointed at. That item is allocated on the statement arena, while + left_expr could later be changed to something on the execution arena. + */ Item *left_expr_orig; /* Priority of this predicate in the convert-to-semi-join-nest process. */ int sj_convert_priority; |