mirror of
https://github.com/writefreely/writefreely
synced 2024-09-20 05:41:52 +00:00
0285a9b0bd
This acknowledges "too many connections" and "max user connections" errors in MySQL and propagates the error up the chain so we can notify the user and return the correct HTTP code.
52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
// +build !sqlite,!wflib
|
|
|
|
/*
|
|
* Copyright © 2019-2020 A Bunch Tell LLC.
|
|
*
|
|
* This file is part of WriteFreely.
|
|
*
|
|
* WriteFreely is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License, included
|
|
* in the LICENSE file in this source code package.
|
|
*/
|
|
|
|
package writefreely
|
|
|
|
import (
|
|
"github.com/go-sql-driver/mysql"
|
|
"github.com/writeas/web-core/log"
|
|
)
|
|
|
|
func (db *datastore) isDuplicateKeyErr(err error) bool {
|
|
if db.driverName == driverMySQL {
|
|
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
|
|
return mysqlErr.Number == mySQLErrDuplicateKey
|
|
}
|
|
} else {
|
|
log.Error("isDuplicateKeyErr: failed check for unrecognized driver '%s'", db.driverName)
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func (db *datastore) isIgnorableError(err error) bool {
|
|
if db.driverName == driverMySQL {
|
|
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
|
|
return mysqlErr.Number == mySQLErrCollationMix
|
|
}
|
|
} else {
|
|
log.Error("isIgnorableError: failed check for unrecognized driver '%s'", db.driverName)
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func (db *datastore) isHighLoadError(err error) bool {
|
|
if db.driverName == driverMySQL {
|
|
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
|
|
return mysqlErr.Number == mySQLErrMaxUserConns || mysqlErr.Number == mySQLErrTooManyConns
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|