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| author | Marko Mäkelä <marko.makela@mariadb.com> | 2017-03-08 19:44:22 +0200 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@mariadb.com> | 2017-03-09 08:53:08 +0200 |
| commit | ad0c218a440575fa6fb6634aca7a08448a4360e0 (patch) | |
| tree | b52811847ce51c92eabdeed3104df8b0168943df /sql/item_subselect.h | |
| parent | bb4ef470c24cdbcedba3dd3dcda3b3d88b6fb491 (diff) | |
| parent | 9fe92a9770a801c4cd36390620486be4cb06752b (diff) | |
| download | mariadb-git-ad0c218a440575fa6fb6634aca7a08448a4360e0.tar.gz | |
Merge 10.0 into 10.1
Also, implement MDEV-11027 a little differently from 5.5 and 10.0:
recv_apply_hashed_log_recs(): Change the return type back to void
(DB_SUCCESS was always returned).
Report progress also via systemd using sd_notifyf().
Diffstat (limited to 'sql/item_subselect.h')
| -rw-r--r-- | sql/item_subselect.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sql/item_subselect.h b/sql/item_subselect.h index d18db4aab86..6669027338e 100644 --- a/sql/item_subselect.h +++ b/sql/item_subselect.h @@ -618,6 +618,15 @@ public: bool expr_cache_is_needed(THD *thd); inline bool left_expr_has_null(); + void disable_cond_guard_for_const_null_left_expr(int i) + { + if (left_expr->const_item() && !left_expr->is_expensive()) + { + if (left_expr->element_index(i)->is_null()) + set_cond_guard_var(i,FALSE); + } + } + int optimize(double *out_rows, double *cost); /* Return the identifier that we could use to identify the subquery for the |