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MDEV-18956 Assertion `sel->quick' failed in JOIN::make_range_rowid_filters

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If SUBS_IN_TO_EXISTS strategy has been chosen for a subquery then
additional conditions are injected into WHERE/ON/HAVING of this subquery
and it may happen that test_quick_select() invoked from
JOIN::make_range_rowid_filters() discovers impossible range. This
must be checked.
This commit is contained in:
Igor Babaev
2019-04-05 23:14:05 -07:00
parent a2e477ffd0
commit 18bf0bf496
4 changed files with 88 additions and 3 deletions
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16
sql/sql_select.cc
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@ -1621,12 +1621,22 @@ bool JOIN::make_range_rowid_filters()
filter_map.merge(tab->table->with_impossible_ranges);
bool force_index_save= tab->table->force_index;
tab->table->force_index= true;
(void) sel->test_quick_select(thd, filter_map, (table_map) 0,
(ha_rows) HA_POS_ERROR,
true, false, true, true);
int rc= sel->test_quick_select(thd, filter_map, (table_map) 0,
(ha_rows) HA_POS_ERROR,
true, false, true, true);
tab->table->force_index= force_index_save;
if (thd->is_error())
goto no_filter;
/*
If SUBS_IN_TO_EXISTS strtrategy is chosen for the subquery then
additional conditions are injected into WHERE/ON/HAVING and it may
happen that the call of test_quick_select() discovers impossible range.
*/
if (rc == -1)
{
const_table_map|= tab->table->map;
goto no_filter;
}
DBUG_ASSERT(sel->quick);
filter_container=
tab->range_rowid_filter_info->create_container();