COLUMN_ADD()

Overview

Adds or updates a dynamic column to the given specification.

See also: Functions in 10.6 ES, in 10.6 CS, in 10.5 ES, in 10.5 CS, in 10.4 ES, in 10.4 CS, in 10.3 ES, in 10.3 CS, in 10.2 ES, and in 10.2 CS

EXAMPLES

CREATE TABLE t1 (b TINYBLOB);

INSERT INTO t1 VALUES (COLUMN_CREATE('Column1',REPEAT('a',10)));

UPDATE t1 SET b = COLUMN_ADD(b,'Column2',REPEAT('b',10));

UPDATE t1 SET b = COLUMN_ADD(b,'Column3',REPEAT('c',10));

SELECT COLUMN_JSON(b) FROM t1;

+------------------------------------------------------------------------+
| COLUMN_JSON(b)                                                         |
+------------------------------------------------------------------------+
| {"Column1":"aaaaaaaaaa","Column2":"bbbbbbbbbb","Column3":"cccccccccc"} |
+------------------------------------------------------------------------+

CHANGE HISTORY

Release Series

History

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

10.6 Community

  • Present starting in MariaDB Community Server 10.6.0.

10.5 Enterprise

  • Present starting in MariaDB Enterprise Server 10.5.3-1.

10.5 Community

  • Present starting in MariaDB Community Server 10.5.0.

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

10.4 Community

  • Present starting in MariaDB Community Server 10.4.0.

10.3 Enterprise

  • Present starting in MariaDB Enterprise Server 10.3.16-1.

10.3 Community

  • Present starting in MariaDB Community Server 10.3.0.

10.2 Enterprise

  • Present starting in MariaDB Enterprise Server 10.2.25-1.

10.2 Community

  • Present starting in MariaDB Community Server 10.2.0.

EXTERNAL REFERENCES