* let limit and offset use bind parameter
* format
* format limt_test
* try again
* fix test case fro connpool
* adding driverName for postgres ,if not to do so, the stmt vars will be added a wrong one called pgx.QueryExecModeSimpleProtocol , causing the SQL with limit problem need 1 parameter ,but given two.
* delete trunk files
* restore the test_test.go
* restore test_test.go
* driver/postgres->v1.5.5
* change postgres version rollback to 1.5.4
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Co-authored-by: chenchuan <chenchuan@360.cn>
Co-authored-by: jason_chuan <jason_chuan@126.com>