CustomLoggerSQLDatabase does not override logger

[t-ae]

var logger = Logger(label: "My Logger")
logger.logLevel = .trace // to show label

let sqldb = app.db as! SQLDatabase
let logdb = sqldb.logging(to: logger)

try! logdb.raw("select 1;").run().wait()
// Expected: [ My Logger ] [ DEBUG ] select 1; [] [database-id: mysql]
// Actual  : [ codes.vapor.application ] [ DEBUG ] select 1; [] [database-id: mysql]

The type of logdb is CustomLoggerSQLDatabase.
Its execute method simply calls wrapped database's execute. logger is unused.