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-rw-r--r--sql/item_func.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/sql/item_func.h b/sql/item_func.h
index 4379c542e63..92bc870d509 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -157,7 +157,7 @@ public:
return (null_value=args[0]->get_time(ltime));
}
bool is_null() {
- (void) val_int(); /* Discard result. It sets null_value as side-effect. */
+ update_null_value();
return null_value;
}
void signal_divide_by_null();
@@ -241,7 +241,7 @@ public:
virtual double real_op()= 0;
virtual my_decimal *decimal_op(my_decimal *)= 0;
virtual String *str_op(String *)= 0;
- bool is_null() { (void) val_real(); return null_value; }
+ bool is_null() { update_null_value(); return null_value; }
};
/* function where type of result detected by first argument */