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| author | Marko Mäkelä <marko.makela@mariadb.com> | 2021-03-19 11:42:44 +0200 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@mariadb.com> | 2021-03-19 11:42:44 +0200 |
| commit | 44d70c01f0aef419bc1325f0cba6a46085042646 (patch) | |
| tree | d12df15e2f47fbc884591bfec0e14fcb613fd7d3 /sql/item_subselect.h | |
| parent | 126725421e56293d7c8b816e066271606b59dcd5 (diff) | |
| parent | 867724fd304caf714d3cd2aa825f2c8b3b724017 (diff) | |
| download | mariadb-git-44d70c01f0aef419bc1325f0cba6a46085042646.tar.gz | |
Merge 10.3 into 10.4
Diffstat (limited to 'sql/item_subselect.h')
| -rw-r--r-- | sql/item_subselect.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sql/item_subselect.h b/sql/item_subselect.h index 015b32ae6d6..97e62e891b7 100644 --- a/sql/item_subselect.h +++ b/sql/item_subselect.h @@ -50,7 +50,11 @@ class Item_subselect :public Item_result_field, protected Used_tables_and_const_cache, protected With_sum_func_cache { - bool value_assigned; /* value already assigned to subselect */ + /* + Set to TRUE if the value is assigned for the subselect + FALSE: subquery not executed or the subquery returns an empty result + */ + bool value_assigned; bool own_engine; /* the engine was not taken from other Item_subselect */ protected: /* thread handler, will be assigned in fix_fields only */ |