`information_schema.collations.sortlen`

mysql

type: BIGINT NOT NULL

5.7-8

type: NULL

Note:

Sort length, used for determining the memory used to sort strings in this collation.

5.1-10.8

type: BIGINT NOT NULL

Note:

Sort length, used for determining the memory used to sort strings in this collation.

type: BIGINT(3) NULL

Note:

The minimum length of memory allocated when the collation sorts characters.

4-6.1