You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
1.2 KiB
41 lines
1.2 KiB
2 months ago
|
create
|
||
|
|
definer = `mysql.sys`@localhost function sys.extract_table_from_file_name(path varchar(512)) returns varchar(64)
|
||
|
|
comment '
|
||
|
|
Description
|
||
|
|
-----------
|
||
|
|
|
||
|
|
Takes a raw file path, and extracts the table name from it.
|
||
|
|
|
||
|
|
Useful for when interacting with Performance Schema data
|
||
|
|
concerning IO statistics, for example.
|
||
|
|
|
||
|
|
Parameters
|
||
|
|
-----------
|
||
|
|
|
||
|
|
path (VARCHAR(512)):
|
||
|
|
The full file path to a data file to extract the table name from.
|
||
|
|
|
||
|
|
Returns
|
||
|
|
-----------
|
||
|
|
|
||
|
|
VARCHAR(64)
|
||
|
|
|
||
|
|
Example
|
||
|
|
-----------
|
||
|
|
|
||
|
|
mysql> SELECT sys.extract_table_from_file_name(''/var/lib/mysql/employees/employee.ibd'');
|
||
|
|
+---------------------------------------------------------------------------+
|
||
|
|
| sys.extract_table_from_file_name(''/var/lib/mysql/employees/employee.ibd'') |
|
||
|
|
+---------------------------------------------------------------------------+
|
||
|
|
| employee |
|
||
|
|
+---------------------------------------------------------------------------+
|
||
|
|
1 row in set (0.02 sec)
|
||
|
|
'
|
||
|
|
deterministic
|
||
|
|
sql security invoker
|
||
|
|
no sql
|
||
|
|
BEGIN
|
||
|
|
RETURN LEFT(SUBSTRING_INDEX(REPLACE(SUBSTRING_INDEX(REPLACE(path, '\\', '/'), '/', -1), '@0024', '$'), '.', 1), 64);
|
||
|
|
END;
|
||
|
|
|