The COLUMN_PRIVILEGES
table provides
information about column privileges. This information comes from
the mysql.columns_priv
grant table.
INFORMATION_SCHEMA Name | SHOW Name | Remarks |
---|---|---|
GRANTEE | '
value | |
TABLE_CATALOG | def | |
TABLE_SCHEMA | ||
TABLE_NAME | ||
COLUMN_NAME | ||
PRIVILEGE_TYPE | ||
IS_GRANTABLE |
Notes:
In the output from
SHOW FULL COLUMNS
, the privileges are all in one field and in lowercase, for example,select,insert,update,references
. InCOLUMN_PRIVILEGES
, there is one privilege per row, in uppercase.PRIVILEGE_TYPE
can contain one (and only one) of these values:SELECT
,INSERT
,UPDATE
,REFERENCES
.If the user has
GRANT OPTION
privilege,IS_GRANTABLE
should beYES
. Otherwise,IS_GRANTABLE
should beNO
. The output does not listGRANT OPTION
as a separate privilege.
The following statements are not equivalent:
SELECT ... FROM INFORMATION_SCHEMA.COLUMN_PRIVILEGES SHOW GRANTS ...