set default_storage_engine=ndb;
# Verify that the client can show JSON data and metadata.
CREATE TABLE t(i INT, j1 JSON, j2 JSON NOT NULL) CHARSET utf8mb4;
Warnings:
Warning	1478	Table storage engine 'ndbcluster' does not support the create option 'Binlog of table with BLOB attribute and no PK'
SHOW CREATE TABLE t;
Table	Create Table
t	CREATE TABLE `t` (
  `i` int(11) DEFAULT NULL,
  `j1` json DEFAULT NULL,
  `j2` json NOT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
INSERT INTO t VALUES
(0, NULL, 'null'),
(1, '1', '1'),
(2, '[1,2,3]', '[4,5,6]'),
(3, '{"abc":"def"}', '{"a":"b","c":"d"}');
--------------
SELECT j1, j2 FROM t ORDER BY i
--------------

Field   1:  `j1`
Catalog:    `def`
Database:   `test`
Table:      `t`
Org_table:  `t`
Type:       JSON
Collation:  binary (63)
Length:     4294967295
Max_length: 14
Decimals:   0
Flags:      BLOB BINARY 

Field   2:  `j2`
Catalog:    `def`
Database:   `test`
Table:      `t`
Org_table:  `t`
Type:       JSON
Collation:  binary (63)
Length:     4294967295
Max_length: 20
Decimals:   0
Flags:      NOT_NULL BLOB BINARY NO_DEFAULT_VALUE 


+----------------+----------------------+
| j1             | j2                   |
+----------------+----------------------+
| NULL           | null                 |
| 1              | 1                    |
| [1, 2, 3]      | [4, 5, 6]            |
| {"abc": "def"} | {"a": "b", "c": "d"} |
+----------------+----------------------+
4 rows in set <FILTERED>

Bye
DROP TABLE t;