The Ultimate Guide to High Availability with MariaDB

Information Schema INNODB_SYS_DATAFILES Table

MariaDB until 10.5

The INNODB_SYS_DATAFILES table was added in MariaDB 10.0.4, and removed in MariaDB 10.6.0.

The Information Schema INNODB_SYS_DATAFILES table contains information about InnoDB datafile paths. It was intended to provide metadata for tablespaces inside InnoDB tables, which was never implemented in MariaDB and was removed in MariaDB 10.6. The PROCESS privilege is required to view the table.

It contains the following columns:

ColumnDescription
SPACENumeric tablespace. Matches the INNODB_SYS_TABLES.SPACE value.
PATHTablespace datafile path.

Example

SELECT * FROM INNODB_SYS_DATAFILES;
+-------+--------------------------------+
| SPACE | PATH                           |
+-------+--------------------------------+
|    19 | ./test/t2.ibd                  |
|    20 | ./test/t3.ibd                  |
...
|    68 | ./test/animals.ibd             |
|    69 | ./test/animal_count.ibd        |
|    70 | ./test/t.ibd                   |
+-------+--------------------------------+

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