update migration order

db/migrations.go

@@ -6,29 +6,7 @@ import (
 	"gopkg.in/gormigrate.v1"
 )
 
-var migrationCreateInitUser = gormigrate.Migration{
-	ID: "202002192019",
-	Migrate: func(tx *gorm.DB) error {
-		const (
-			initUsername = "admin"
-			initPassword = "admin"
-		)
-		err := tx.
-			Where("name = ?", initUsername).
-			First(&User{}).
-			Error
-		if gorm.IsRecordNotFoundError(err) {
-			tx.Create(&User{
-				Name:     initUsername,
-				Password: initPassword,
-				IsAdmin:  true,
-			})
-			return nil
-		}
-		return err
-	},
-}
-
+// not really a migration
 var migrationInitSchema = gormigrate.Migration{
 	ID: "202002192100",
 	Migrate: func(tx *gorm.DB) error {
@@ -46,19 +24,44 @@ var migrationInitSchema = gormigrate.Migration{
 	},
 }
 
+// not really a migration
+var migrationCreateInitUser = gormigrate.Migration{
+	ID: "202002192019",
+	Migrate: func(tx *gorm.DB) error {
+		const (
+			initUsername = "admin"
+			initPassword = "admin"
+		)
+		err := tx.
+			Where("name = ?", initUsername).
+			First(&User{}).
+			Error
+		if !gorm.IsRecordNotFoundError(err) {
+			return nil
+		}
+		return tx.Create(&User{
+			Name:     initUsername,
+			Password: initPassword,
+			IsAdmin:  true,
+		}).
+			Error
+	},
+}
+
 var migrationMergePlaylist = gormigrate.Migration{
 	ID: "202002192222",
 	Migrate: func(tx *gorm.DB) error {
+		if !tx.HasTable("playlist_items") {
+			return nil
+		}
 		return tx.Exec(`
 			UPDATE playlists
-			SET items = (
-				SELECT group_concat(track_id) FROM (
-					SELECT track_id
-					FROM playlist_items
-					WHERE playlist_items.playlist_id=playlists.id
-					ORDER BY created_at
-				)
-			);
+			SET items = ( SELECT group_concat(track_id) FROM (
+				SELECT track_id
+				FROM playlist_items
+				WHERE playlist_items.playlist_id=playlists.id
+				ORDER BY created_at
+			) );
 			DROP TABLE playlist_items;`,
 		).
 			Error