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Show Storage Engines

This feature changes the comment field displayed when the SHOW STORAGE ENGINES command is executed and XtraDB is the storage engine.

Before the Change:

mysql> show storage engines;
+------------+---------+----------------------------------------------------------------+--------------+------+------------+
| Engine     | Support | Comment                                                        | Transactions | XA   | Savepoints |
+------------+---------+----------------------------------------------------------------+--------------+------+------------+
| InnoDB     | YES     | Supports transactions, row-level locking, and foreign keys     | YES          | YES  | YES        |
...
+------------+---------+----------------------------------------------------------------+--------------+------+------------+

After the Change:

mysql> show storage engines;
+------------+---------+----------------------------------------------------------------------------+--------------+------+------------+
| Engine     | Support | Comment                                                                    | Transactions |   XA | Savepoints |
+------------+---------+----------------------------------------------------------------------------+--------------+------+------------+
| InnoDB     | YES     | Percona-XtraDB, Supports transactions, row-level locking, and foreign keys |          YES | YES  | YES        |
...
+------------+---------+----------------------------------------------------------------------------+--------------+------+------------+

Version-Specific Information

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