COLUMN_JSON()

Overview

Returns a JSON representation of the data in the given dynamic columns blob.

See also: Functions in 10.6 ES, in 10.5 ES, and in 10.4 ES

EXAMPLES

CREATE TABLE t1 (b TINYBLOB);
INSERT INTO t1 VALUES (COLUMN_CREATE('Column1',REPEAT('a',10)));
SELECT COLUMN_JSON(b) FROM t1;
+--------------------------+
| COLUMN_JSON(b)           |
+--------------------------+
| {"Column1":"aaaaaaaaaa"} |
+--------------------------+
SELECT COLUMN_JSON(COLUMN_CREATE("c1", "val1" AS CHAR));
+--------------------------------------------------+
| COLUMN_JSON(COLUMN_CREATE("c1", "val1" AS CHAR)) |
+--------------------------------------------------+
| {"c1":"val1"}                                    |
+--------------------------------------------------+

CHANGE HISTORY

Release Series

History

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

10.5 Enterprise

  • Present starting in MariaDB Enterprise Server 10.5.3-1.

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

EXTERNAL REFERENCES