Explicitly not update indexes when sync database schemas (#34281)

Fix #34275

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

models/migrations/v1_24/v312.go

@@ -17,5 +17,9 @@ func (pullAutoMerge) TableName() string {
 }
 
 func AddDeleteBranchAfterMergeForAutoMerge(x *xorm.Engine) error {
-	return x.Sync(new(pullAutoMerge))
+	_, err := x.SyncWithOptions(xorm.SyncOptions{
+		IgnoreConstrains: true,
+		IgnoreIndices:    true,
+	}, new(pullAutoMerge))
+	return err
 }

models/migrations/v1_24/v315.go

@@ -11,6 +11,9 @@ func AddEphemeralToActionRunner(x *xorm.Engine) error {
 	type ActionRunner struct {
 		Ephemeral bool `xorm:"ephemeral NOT NULL DEFAULT false"`
 	}
-
-	return x.Sync(new(ActionRunner))
+	_, err := x.SyncWithOptions(xorm.SyncOptions{
+		IgnoreConstrains: true,
+		IgnoreIndices:    true,
+	}, new(ActionRunner))
+	return err
 }

models/migrations/v1_24/v316.go

@@ -16,5 +16,9 @@ func AddDescriptionForSecretsAndVariables(x *xorm.Engine) error {
 		Description string `xorm:"TEXT"`
 	}
 
-	return x.Sync(new(Secret), new(ActionVariable))
+	_, err := x.SyncWithOptions(xorm.SyncOptions{
+		IgnoreConstrains: true,
+		IgnoreIndices:    true,
+	}, new(Secret), new(ActionVariable))
+	return err
 }

models/migrations/v1_24/v318.go

@@ -13,5 +13,9 @@ func AddRepoUnitAnonymousAccessMode(x *xorm.Engine) error {
 	type RepoUnit struct { //revive:disable-line:exported
 		AnonymousAccessMode perm.AccessMode `xorm:"NOT NULL DEFAULT 0"`
 	}
-	return x.Sync(&RepoUnit{})
+	_, err := x.SyncWithOptions(xorm.SyncOptions{
+		IgnoreConstrains: true,
+		IgnoreIndices:    true,
+	}, new(RepoUnit))
+	return err
 }

models/migrations/v1_24/v319.go

@@ -11,6 +11,9 @@ func AddExclusiveOrderColumnToLabelTable(x *xorm.Engine) error {
 	type Label struct {
 		ExclusiveOrder int `xorm:"DEFAULT 0"`
 	}
-
-	return x.Sync(new(Label))
+	_, err := x.SyncWithOptions(xorm.SyncOptions{
+		IgnoreConstrains: true,
+		IgnoreIndices:    true,
+	}, new(Label))
+	return err
 }