feat: add migration

Author: BoYanZh

models/migrations/migrations.go

@@ -364,6 +364,7 @@ func prepareMigrationTasks() []*migration {
 		newMigration(304, "Add index for release sha1", v1_23.AddIndexForReleaseSha1),
 		newMigration(305, "Add Repository Licenses", v1_23.AddRepositoryLicenses),
 		newMigration(306, "Add BlockAdminMergeOverride to ProtectedBranch", v1_23.AddBlockAdminMergeOverrideBranchProtection),
+		newMigration(307, "Improve Notification table indices", v1_23.ImproveNotificationTableIndices),
 	}
 	return preparedMigrations
 }

models/migrations/v1_23/v307.go

@@ -0,0 +1,62 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_23 //nolint
+
+import (
+	issues_model "code.gitea.io/gitea/models/issues"
+	repo_model "code.gitea.io/gitea/models/repo"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/xorm"
+	"xorm.io/xorm/schemas"
+)
+
+type (
+	// NotificationStatus is the status of the notification (read or unread)
+	NotificationStatus uint8
+	// NotificationSource is the source of the notification (issue, PR, commit, etc)
+	NotificationSource uint8
+)
+
+type improveNotificationTableIndicesAction struct {
+	ID     int64 `xorm:"pk autoincr"`
+	UserID int64 `xorm:"INDEX NOT NULL"`
+	RepoID int64 `xorm:"INDEX NOT NULL"`
+
+	Status NotificationStatus `xorm:"SMALLINT INDEX NOT NULL"`
+	Source NotificationSource `xorm:"SMALLINT INDEX NOT NULL"`
+
+	IssueID   int64  `xorm:"INDEX NOT NULL"`
+	CommitID  string `xorm:"INDEX"`
+	CommentID int64
+
+	UpdatedBy int64 `xorm:"INDEX NOT NULL"`
+
+	Issue      *issues_model.Issue    `xorm:"-"`
+	Repository *repo_model.Repository `xorm:"-"`
+	Comment    *issues_model.Comment  `xorm:"-"`
+	User       *user_model.User       `xorm:"-"`
+
+	CreatedUnix timeutil.TimeStamp `xorm:"created INDEX NOT NULL"`
+	UpdatedUnix timeutil.TimeStamp `xorm:"updated INDEX NOT NULL"`
+}
+
+// TableName sets the name of this table
+func (*improveNotificationTableIndicesAction) TableName() string {
+	return "notification"
+}
+
+// TableIndices implements xorm's TableIndices interface
+func (*improveNotificationTableIndicesAction) TableIndices() []*schemas.Index {
+	usuuIndex := schemas.NewIndex("u_s_uu", schemas.IndexType)
+	usuuIndex.AddColumn("user_id", "status", "updated_unix")
+	indices := []*schemas.Index{usuuIndex}
+
+	return indices
+}
+
+func ImproveNotificationTableIndices(x *xorm.Engine) error {
+	return x.Sync(&improveNotificationTableIndicesAction{})
+}