Fix error log when loading issues caused by a xorm bug (#7271)

* fix error log when loading issues caused by a xorm bug

* upgrade packages

* fix fmt

* fix Consistency

* fix tests

vendor/xorm.io/core/ilogger.go

@@ -0,0 +1,35 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package core
+
+type LogLevel int
+
+const (
+	// !nashtsai! following level also match syslog.Priority value
+	LOG_DEBUG LogLevel = iota
+	LOG_INFO
+	LOG_WARNING
+	LOG_ERR
+	LOG_OFF
+	LOG_UNKNOWN
+)
+
+// logger interface
+type ILogger interface {
+	Debug(v ...interface{})
+	Debugf(format string, v ...interface{})
+	Error(v ...interface{})
+	Errorf(format string, v ...interface{})
+	Info(v ...interface{})
+	Infof(format string, v ...interface{})
+	Warn(v ...interface{})
+	Warnf(format string, v ...interface{})
+
+	Level() LogLevel
+	SetLevel(l LogLevel)
+
+	ShowSQL(show ...bool)
+	IsShowSQL() bool
+}