SELECT JSON_MERGE('[1]', '[]');
|
+-------------------------+
|
| JSON_MERGE('[1]', '[]') |
|
+-------------------------+
|
| NULL |
|
+-------------------------+
|
1 row in set, 1 warning (0.00 sec)
|
|
SHOW WARNINGS;
|
+---------+------+--------------------------------------------------------------------------------+
|
| Level | Code | Message |
|
+---------+------+--------------------------------------------------------------------------------+
|
| Warning | 4038 | Syntax error in JSON text in argument 1 to function 'json_merge' at position 5 |
|
+---------+------+--------------------------------------------------------------------------------+
|