summaryrefslogtreecommitdiff
path: root/sql/sql_tvc.cc
diff options
context:
space:
mode:
authorSergei Golubchik <serg@mariadb.org>2019-09-06 11:53:10 +0200
committerSergei Golubchik <serg@mariadb.org>2019-09-06 11:53:10 +0200
commit244f0e6dd815b388282c15db4fe7f15533f4c8fc (patch)
treeaf138f2b3739a742c0c38173cdc86ec176fc0edd /sql/sql_tvc.cc
parent18af13b88ba580562981a190c25da128a2e9db26 (diff)
parent2842c369851a8afc2a944ce6f4f60fa052f20969 (diff)
downloadmariadb-git-244f0e6dd815b388282c15db4fe7f15533f4c8fc.tar.gz
Merge branch '10.3' into 10.4
Diffstat (limited to 'sql/sql_tvc.cc')
-rw-r--r--sql/sql_tvc.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/sql_tvc.cc b/sql/sql_tvc.cc
index ef8e15df838..bf72a8515f1 100644
--- a/sql/sql_tvc.cc
+++ b/sql/sql_tvc.cc
@@ -971,7 +971,8 @@ bool Item_func_in::to_be_transformed_into_in_subq(THD *thd)
if (args[1]->type() == Item::ROW_ITEM)
values_count*= ((Item_row *)(args[1]))->cols();
- if (values_count < thd->variables.in_subquery_conversion_threshold)
+ if (thd->variables.in_subquery_conversion_threshold == 0 ||
+ thd->variables.in_subquery_conversion_threshold > values_count)
return false;
return true;