Client returns mysql client, mostly, we use Use() func.

Close closes all mysql conn, TODO maybe we should return close err.

HealthCheck ping db.

IsDupErr check if mysql error is ER_DUP_ENTRY https://github.com/VividCortex/mysqlerr.

IsNoRowsErr.

IsUnChanged checks if result.RowsAffected is 0.

MySQLErr try conver mysql err to *MySQLError.

Register dsn format -> [username[:password]@][protocol[(address)]]/dbname[?param1=value1&...&paramN=valueN] each db should only register once.

Use is helper func to get *DB.

Conf is mysql driver and conn related config.

alias.

alias.

alias.

alias.

alias.

alias.

alias.