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| author | Igor Babaev <igor@askmonty.org> | 2022-06-03 20:05:31 -0700 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2022-06-03 20:05:31 -0700 |
| commit | d5d8695423ff9ed8fb245fe1dd1cf38d1c57856e (patch) | |
| tree | eeb040274853c1a1276361679a464772d62ab3bc /sql/sql_lex.h | |
| parent | 1f0333db90fb942b2a8435733184460ca3c56288 (diff) | |
| download | mariadb-git-bb-10.7-mdev-7487.tar.gz | |
MDEV-7487 Semi-join optimization for single-table UPDATE/DELETEsbb-10.7-mdev-7487
This is a preliminary patch.
Diffstat (limited to 'sql/sql_lex.h')
| -rw-r--r-- | sql/sql_lex.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/sql_lex.h b/sql/sql_lex.h index 5436bfd0a59..f760ea14f72 100644 --- a/sql/sql_lex.h +++ b/sql/sql_lex.h @@ -1642,6 +1642,7 @@ public: void lex_start(LEX *plex); bool is_unit_nest() { return (nest_flags & UNIT_NEST_FL); } void mark_as_unit_nest() { nest_flags= UNIT_NEST_FL; } + bool is_sj_subselect_lifted_to_top(); }; typedef class st_select_lex SELECT_LEX; |