diff options
Diffstat (limited to 'sql/sql_union.cc')
| -rw-r--r-- | sql/sql_union.cc | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sql/sql_union.cc b/sql/sql_union.cc index 7265a99d6e5..468bdab9119 100644 --- a/sql/sql_union.cc +++ b/sql/sql_union.cc @@ -460,13 +460,24 @@ int st_select_lex_unit::cleanup() table= 0; // Safety } JOIN *join; - for (SELECT_LEX *sl= first_select_in_union(); sl; sl= sl->next_select()) + SELECT_LEX *sl= first_select_in_union(); + for (; sl; sl= sl->next_select()) { if ((join= sl->join)) { error|= sl->join->cleanup(); delete join; } + else + { + // it can be DO/SET with subqueries + for (SELECT_LEX_UNIT *lex_unit= sl->first_inner_unit(); + lex_unit != 0; + lex_unit= lex_unit->next_unit()) + { + error|= lex_unit->cleanup(); + } + } } if (fake_select_lex && (join= fake_select_lex->join)) { |