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| author | Alexander Barkov <bar@mariadb.com> | 2019-03-26 11:37:18 +0400 |
|---|---|---|
| committer | Alexander Barkov <bar@mariadb.com> | 2019-03-26 11:37:18 +0400 |
| commit | 6fbbb0853e7e58621f73f0afc600cd95995413ed (patch) | |
| tree | 5206eecee6f4a398db8a24f7273c08f7d1e7afaa /sql/item.h | |
| parent | ed643f4bb31d8e5a9c0bc161583b8c9b2a08c26b (diff) | |
| download | mariadb-git-6fbbb0853e7e58621f73f0afc600cd95995413ed.tar.gz | |
MDEV-18968 Both (WHERE 0.1) and (WHERE NOT 0.1) return empty set
Diffstat (limited to 'sql/item.h')
| -rw-r--r-- | sql/item.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sql/item.h b/sql/item.h index 79cde008946..75ebcdb624c 100644 --- a/sql/item.h +++ b/sql/item.h @@ -1000,6 +1000,13 @@ public: virtual bool val_bool(); virtual String *val_nodeset(String*) { return 0; } + bool eval_const_cond() + { + DBUG_ASSERT(const_item()); + DBUG_ASSERT(!is_expensive()); + return val_bool(); + } + /* save_val() is method of val_* family which stores value in the given field. |