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-rw-r--r--sql/sql_select.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index bb6b034b4e4..2880c818b8c 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -7442,7 +7442,7 @@ uint check_join_cache_usage(JOIN_TAB *tab,
Non-linked join buffers can't guarantee one match
*/
if (force_unlinked_cache &&
- (!tab->type == JT_ALL || cache_level <= 4) &&
+ (!(tab->type == JT_ALL) || cache_level <= 4) &&
((tab->is_inner_table_of_semi_join_with_first_match() &&
!tab->is_single_inner_of_semi_join_with_first_match()) ||
(tab->is_inner_table_of_outer_join() &&