COLUMN_DELETE()

EXAMPLES

CREATE TABLE t1 (b TINYBLOB);

INSERT INTO t1 VALUES (COLUMN_CREATE('Column1','val1'));

INSERT INTO t1 VALUES (COLUMN_CREATE('Column2','val2'));

SELECT COLUMN_JSON(b) FROM t1;

+--------------------+
| COLUMN_JSON(b)     |
+--------------------+
| {"Column1":"val1"} |
| {"Column2":"val2"} |
+--------------------+

UPDATE t1 SET b = COLUMN_DELETE(b,'Column2');

SELECT COLUMN_JSON(b) FROM t1;

+--------------------+
| COLUMN_JSON(b)     |
+--------------------+
| {"Column1":"val1"} |
| {}                 |
+--------------------+

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.

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