oops

controller/controller.go

@@ -5,7 +5,7 @@ import "math/rand"
 func GenerateAlnumString(length int) []byte {
     const CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
     res := []byte{}
-    for i := 0; i < length; i++ {
+    for range length {
         res = append(res, CHARS[rand.Intn(len(CHARS))])
     }
     return res

controller/migrator.go

@@ -9,7 +9,7 @@ import (
 	"github.com/jmoiron/sqlx"
 )
 
-const DB_VERSION int = 5
+const DB_VERSION int = 4
 
 func CheckDBVersionAndMigrate(db *sqlx.DB) {
     db.MustExec("CREATE SCHEMA IF NOT EXISTS arimelody")
@@ -50,10 +50,6 @@ func CheckDBVersionAndMigrate(db *sqlx.DB) {
             ApplyMigration(db, "003-fail-lock")
             oldDBVersion = 4
 
-        case 4:
-            ApplyMigration(db, "004-test")
-            oldDBVersion = 5
-
         }
     }
 

controller/schema-migration/004-test.sql

@@ -1 +0,0 @@
-INSERT INTO arimelody.auditlog (level, type, content) VALUES (0, "test", "this is a db schema migration test!");