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-rw-r--r--sql/item.cc5
1 files changed, 4 insertions, 1 deletions
diff --git a/sql/item.cc b/sql/item.cc
index 0f28572163e..b88d0e92854 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -1270,7 +1270,10 @@ void Item::split_sum_func2(THD *thd, Item **ref_pointer_array,
if (type() == SUM_FUNC_ITEM && skip_registered &&
((Item_sum *) this)->ref_by)
return;
- if (type() != SUM_FUNC_ITEM && with_sum_func)
+ if ((type() != SUM_FUNC_ITEM && with_sum_func) ||
+ (type() == FUNC_ITEM &&
+ (((Item_func *) this)->functype() == Item_func::ISNOTNULLTEST_FUNC ||
+ ((Item_func *) this)->functype() == Item_func::TRIG_COND_FUNC)))
{
/* Will split complicated items and ignore simple ones */
split_sum_func(thd, ref_pointer_array, fields);