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MySQL 8.0 Reference Manual

14.22 Internal Functions

Table 14.32 Internal Functions

Name	Description	Introduced
`CAN_ACCESS_COLUMN()`	Internal use only
`CAN_ACCESS_DATABASE()`	Internal use only
`CAN_ACCESS_TABLE()`	Internal use only
`CAN_ACCESS_USER()`	Internal use only	8.0.22
`CAN_ACCESS_VIEW()`	Internal use only
`GET_DD_COLUMN_PRIVILEGES()`	Internal use only
`GET_DD_CREATE_OPTIONS()`	Internal use only
`GET_DD_INDEX_SUB_PART_LENGTH()`	Internal use only
`INTERNAL_AUTO_INCREMENT()`	Internal use only
`INTERNAL_AVG_ROW_LENGTH()`	Internal use only
`INTERNAL_CHECK_TIME()`	Internal use only
`INTERNAL_CHECKSUM()`	Internal use only
`INTERNAL_DATA_FREE()`	Internal use only
`INTERNAL_DATA_LENGTH()`	Internal use only
`INTERNAL_DD_CHAR_LENGTH()`	Internal use only
`INTERNAL_GET_COMMENT_OR_ERROR()`	Internal use only
`INTERNAL_GET_ENABLED_ROLE_JSON()`	Internal use only	8.0.19
`INTERNAL_GET_HOSTNAME()`	Internal use only	8.0.19
`INTERNAL_GET_USERNAME()`	Internal use only	8.0.19
`INTERNAL_GET_VIEW_WARNING_OR_ERROR()`	Internal use only
`INTERNAL_INDEX_COLUMN_CARDINALITY()`	Internal use only
`INTERNAL_INDEX_LENGTH()`	Internal use only
`INTERNAL_IS_ENABLED_ROLE()`	Internal use only	8.0.19
`INTERNAL_IS_MANDATORY_ROLE()`	Internal use only	8.0.19
`INTERNAL_KEYS_DISABLED()`	Internal use only
`INTERNAL_MAX_DATA_LENGTH()`	Internal use only
`INTERNAL_TABLE_ROWS()`	Internal use only
`INTERNAL_UPDATE_TIME()`	Internal use only

The functions listed in this section are intended only for internal use by the server. Attempts by users to invoke them result in an error.