Updated on 2025-10-23 GMT+08:00

files

The files view provides information about the files that store tablespace data. For details, see Table 1. This view is read-only. All users have the read permission on this view.

Table 1 information_schema.files columns

Name

Type

Description

FILE_ID

bigint

Identifier of a file. This column is not supported in the current version, and the value is null.

FILE_NAME

varchar(4000)

Name of the file. This column is not supported in the current version, and the value is null.

FILE_TYPE

varchar(20)

Type of the file. This column is not supported in the current version, and the value is null.

TABLESPACE_NAME

varchar(64)

Name of the tablespace associated with the file. This column is not supported in the current version, and the value is null.

TABLE_CATALOG

varchar(64)

This column is not supported in the current version, and the value is null.

TABLE_SCHEMA

varchar(64)

This column is not supported in the current version, and the value is null.

TABLE_NAME

varchar(64)

This column is not supported in the current version, and the value is null.

LOGFILE_GROUP_NAME

varchar(64)

This column is not supported in the current version, and the value is null.

LOGFILE_GROUP_NUMBER

bigint

This column is not supported in the current version, and the value is null.

ENGINE

varchar(64)

Storage engine. This column is not supported in the current version, and the value is null.

FULLTEXT_KEYS

varchar(64)

This column is not supported in the current version, and the value is null.

DELETED_ROWS

bigint

This column is not supported in the current version, and the value is null.

UPDATE_COUNT

bigint

This column is not supported in the current version, and the value is null.

FREE_EXTENTS

bigint

This column is not supported in the current version, and the value is null.

TOTAL_EXTENTS

bigint

This column is not supported in the current version, and the value is null.

EXTENT_SIZE

bigint

This column is not supported in the current version, and the value is null.

INITIAL_SIZE

bigint unsigned

This column is not supported in the current version, and the value is null.

MAXIMUM_SIZE

bigint unsigned

This column is not supported in the current version, and the value is null.

AUTOEXTEND_SIZE

bigint unsigned

This column is not supported in the current version, and the value is null.

CREATION_TIME

datetime

This column is not supported in the current version, and the value is null.

LAST_UPDATE_TIME

datetime

This column is not supported in the current version, and the value is null.

LAST_ACCESS_TIME

datetime

This column is not supported in the current version, and the value is null.

RECOVER_TIME

bigint

This column is not supported in the current version, and the value is null.

TRANSACTION_COUNTER

bigint

This column is not supported in the current version, and the value is null.

VERSION

bigint unsigned

This column is not supported in the current version, and the value is null.

ROW_FORMAT

varchar(10)

This column is not supported in the current version, and the value is null.

TABLE_ROWS

bigint unsigned

This column is not supported in the current version, and the value is null.

AVG_ROW_LENGTH

bigint unsigned

This column is not supported in the current version, and the value is null.

DATA_LENGTH

bigint unsigned

This column is not supported in the current version, and the value is null.

MAX_DATA_LENGTH

bigint unsigned

This column is not supported in the current version, and the value is null.

INDEX_LENGTH

bigint unsigned

This column is not supported in the current version, and the value is null.

DATA_FREE

bigint unsigned

This column is not supported in the current version, and the value is null.

CREATE_TIME

datetime

This column is not supported in the current version, and the value is null.

UPDATE_TIME

datetime

This column is not supported in the current version, and the value is null.

CHECK_TIME

datetime

This column is not supported in the current version, and the value is null.

CHECKSUM

bigint unsigned

This column is not supported in the current version, and the value is null.

STATUS

varchar(20)

This column is not supported in the current version, and the value is null.

EXTRA

varchar(255)

This column is not supported in the current version, and the value is null.