`information_schema.role_table_grants.grantor`

mysql

type: VARCHAR NULL

type: SQL_IDENTIFIER NULL

Note:

Name of the role that granted the privilege

10-15

type: SQL_IDENTIFIER

Note:

Name of the role that granted the privilege

8.2-9.6

Note:

Name of the user that granted the privilege

7.4-8.1

type: unknown

Note:

Name of the role that granted the privilege.

2-21.2