createConnection method
Creates a connection C
for this adapte
Implementation
@override
FutureOr<DBMySqlConnectionWrapper> createConnection() async {
var password = await _getPassword();
var count = ++_connectionCount;
var connWrapper = await _createConnectionImpl(password);
var connUrl = getConnectionURL(connWrapper);
_log.info(
'createConnection[#$count $poolAliveElementsSize/$maxConnections]> $connUrl > ${connWrapper.nativeConnection}');
return connWrapper;
}