* Added support of "Violates Foreign Key Constraint"

Updated the translator and added the support of "foreign key constraint violation". For this, this error type is needed here.

* changed the description of ErrForeignKeyViolated

Co-authored-by: Saeid Saeidee <s.saeidee@sensysgatso.com>

…red Statements (go-gorm#6220)

* test: add nested transaction and prepareStmt coexist test case

note: please test in the MySQL environment

Change-Id: I0db32adc5f74b0d443e98943d3b182236583b959
Signed-off-by: 王柳洋 <wangliuyang.520@bytedance.com>

* fix(nested transaction): SavePoint SQL Statement not support in Prepared Statements

1. SavetPoint SQL Statement not support in Prepared Statements
 e.g. see mysql8.0 doc: https://dev.mysql.com/doc/refman/8.0/en/sql-prepared-statements.html

Change-Id: I082012db9b140e8ec69764c633724665cc802692
Signed-off-by: 王柳洋 <wangliuyang.520@bytedance.com>

* revert(transaction_api): remove savepoint name pool,meaningless

Change-Id: I84aa9924fc54612005a81c83d66fdf8968ee56ad
Signed-off-by: 王柳洋 <wangliuyang.520@bytedance.com>

---------

Signed-off-by: 王柳洋 <wangliuyang.520@bytedance.com>
Co-authored-by: 王柳洋 <wangliuyang.520@bytedance.com>