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| author | Marko Mäkelä <marko.makela@mariadb.com> | 2021-03-18 12:34:48 +0200 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@mariadb.com> | 2021-03-18 12:34:48 +0200 |
| commit | 19052b6debc1aeb4ef6ccbc36cdc92c10cf968b6 (patch) | |
| tree | 9eec011f81a7c4868283ed02b823771798fe45d4 /sql/item_subselect.h | |
| parent | eb7c5530eccb7d6782077e5562f5a471d2ccbc01 (diff) | |
| parent | c557e9540ab6058713a7c78dfa3df366ea92dd92 (diff) | |
| download | mariadb-git-19052b6debc1aeb4ef6ccbc36cdc92c10cf968b6.tar.gz | |
Merge 10.2 into 10.3
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 fe0d8678752..df8250787a5 100644 --- a/sql/item_subselect.h +++ b/sql/item_subselect.h @@ -48,7 +48,11 @@ class Cached_item; class Item_subselect :public Item_result_field, protected Used_tables_and_const_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 */ |