Manual:Image comment temp table

Temporary table creating a relation between each row of the image table and a row of the comment table. It has been created to avoid blocking on an alter of the image table. On large wikis like Wikimedia Commons, altering the image table is a months-long process. This table is being created to avoid such an alter, and will be merged back into the in the future.

This table was introduced in.

imgcomment_name
Key to

imgcomment_description_id
Key to

Schema summary
DESCRIBE image_comment_temp; +---+-+--+-+-+---+ +---+-+--+-+-+---+ +---+-+--+-+-+---+
 * Field                    | Type                | Null | Key | Default | Extra |
 * imgcomment_name          | varbinary(255)      | NO   | PRI | NULL    |       |
 * imgcomment_description_id | bigint(20) unsigned | NO  | PRI | NULL    |       |