Dynamic Columns Functions
Dynamic columns is a feature that allows one to store different sets of columns for each row in a table. It works by storing a set of columns in a blob and having a small set of functions to manipulate it.
-
COLUMN_ADD
Adds or updates dynamic columns. -
COLUMN_CHECK
Checks if a dynamic column blob is valid -
COLUMN_CREATE
Returns a dynamic columns blob. -
COLUMN_DELETE
Deletes a dynamic column. -
COLUMN_EXISTS
Checks is a column exists. -
COLUMN_GET
Gets a dynamic column value by name. -
COLUMN_JSON
Returns a JSON representation of dynamic column blob data -
COLUMN_LIST
Returns comma-separated list of columns names.
Content reproduced on this site is the property of its respective owners,
and this content is not reviewed in advance by MariaDB. The views, information and opinions
expressed by this content do not necessarily represent those of MariaDB or any other party.