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Merge branch 'mdev-18844' of https://github.com/waynexia/server into mdev-18844

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This commit is contained in:
Igor Babaev
2019-08-31 22:44:58 -07:00
parent 2707af2dec
commit c9fe6fbb61
1 changed files with 3 additions and 2 deletions
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5
sql/sql_union.cc
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@ -858,7 +858,7 @@ bool select_unit_ext::send_eof()
}
if (curr_op_type == INTERSECT_ALL)
{
longlong add_cnt= additional_cnt->val_int();
ha_rows add_cnt= (ha_rows)additional_cnt->val_int();
if (dup_cnt > add_cnt && add_cnt > 0)
dup_cnt= (ha_rows)add_cnt;
}
@ -2171,7 +2171,8 @@ bool st_select_lex_unit::exec()
sl->tvc->exec(sl);
else
sl->join->exec();
if (sl == union_distinct && !have_except_all_or_intersect_all)
if (sl == union_distinct && !have_except_all_or_intersect_all &&
!(with_element && with_element->is_recursive))
{
// This is UNION DISTINCT, so there should be a fake_select_lex
DBUG_ASSERT(fake_select_lex != NULL);