* fix issue #18086
* Update convertMySQLDataType.cpp
* add test case for type mapping for mysql
* remove type mapping test case from materialize_with_ddl.py, will add case in mysql engine.
* add test on types and values for mysql database engine.
* typo T_T
* add missing variables
* update the assert code to align with new test data.
* better code for testing, and remove null test since it is not supported.
* remove edge value from test since it always fail. should fix it in clickhouse-client.
* remove some testcases currently not support.
* correct test case
* correct test case. maybe I need to build up a test environment in my local pc...
* correct test data
* Update convertMySQLDataType.cpp
Co-authored-by: Ivan <5627721+abyss7@users.noreply.github.com>
