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Ignore "mix of collations" error on invite SELECT

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This adds the `isIgnorableError` method and calls it when error checking
in `GetUserInvite()`, returning "not found" if the rror comes up.
This commit is contained in:
Matt Baer 2020-01-30 10:36:29 +01:00
parent d6b7a5925f
commit 51700cc7da
3 changed files with 28 additions and 3 deletions
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14
database-no-sqlite.go
View file

@ -1,7 +1,7 @@
// +build !sqlite,!wflib
/*
* Copyright © 2019 A Bunch Tell LLC.
* Copyright © 2019-2020 A Bunch Tell LLC.
*
* This file is part of WriteFreely.
*
@ -28,3 +28,15 @@ func (db *datastore) isDuplicateKeyErr(err error) bool {
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
}

12
database-sqlite.go
View file

@ -48,3 +48,15 @@ func (db *datastore) isDuplicateKeyErr(err error) bool {
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
}

5
database.go
View file

@ -1,5 +1,5 @@
/*
* Copyright © 2018 A Bunch Tell LLC.
* Copyright © 2018-2020 A Bunch Tell LLC.
*
* This file is part of WriteFreely.
*
@ -37,6 +37,7 @@ import (
const (
mySQLErrDuplicateKey = 1062
mySQLErrCollationMix = 1267
driverMySQL = "mysql"
driverSQLite = "sqlite3"
@ -2281,7 +2282,7 @@ func (db *datastore) GetUserInvite(id string) (*Invite, error) {
var i Invite
err := db.QueryRow("SELECT id, max_uses, created, expires, inactive FROM userinvites WHERE id = ?", id).Scan(&i.ID, &i.MaxUses, &i.Created, &i.Expires, &i.Inactive)
switch {
case err == sql.ErrNoRows:
case err == sql.ErrNoRows, db.isIgnorableError(err):
return nil, impart.HTTPError{http.StatusNotFound, "Invite doesn't exist."}
case err != nil:
log.Error("Failed selecting invite: %v", err)