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Merge branch '10.3' into 10.4

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This commit is contained in:
Sergei Golubchik
2019-09-06 11:53:10 +02:00
parent 18af13b88b 2842c36985
commit 244f0e6dd8
750 changed files with 13360 additions and 14832 deletions
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3
sql/sql_tvc.cc
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@@ -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;