30.4.5.4 The format_path() Function

Given a path name, returns the modified path name after replacing subpaths that match the values of the following system variables, in order:

datadir
tmpdir
replica_load_tmpdir
innodb_data_home_dir
innodb_log_group_home_dir
innodb_undo_directory
basedir

A value that matches the value of system variable sysvar is replaced with the string @@GLOBAL.sysvar.

Parameters

path VARCHAR(512): The path name to format.

Return Value

A VARCHAR(512) CHARACTER SET utf8mb3 value.

Example

mysql> SELECT sys.format_path('/usr/local/mysql/data/world/City.ibd');
+---------------------------------------------------------+
| sys.format_path('/usr/local/mysql/data/world/City.ibd') |
+---------------------------------------------------------+
| @@datadir/world/City.ibd                                |
+---------------------------------------------------------+