Split migrations folder (#21549)

There are too many files in `models/migrations` folder so that I split
them into sub folders.

models/migrations/v1_13/v140.go

@@ -0,0 +1,57 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"fmt"
+
+	"code.gitea.io/gitea/models/migrations/base"
+	"code.gitea.io/gitea/modules/setting"
+
+	"xorm.io/xorm"
+)
+
+func FixLanguageStatsToSaveSize(x *xorm.Engine) error {
+	// LanguageStat see models/repo_language_stats.go
+	type LanguageStat struct {
+		Size int64 `xorm:"NOT NULL DEFAULT 0"`
+	}
+
+	// RepoIndexerType specifies the repository indexer type
+	type RepoIndexerType int
+
+	const (
+		// RepoIndexerTypeCode code indexer
+		RepoIndexerTypeCode RepoIndexerType = iota // 0
+		// RepoIndexerTypeStats repository stats indexer
+		RepoIndexerTypeStats // 1
+	)
+
+	// RepoIndexerStatus see models/repo_indexer.go
+	type RepoIndexerStatus struct {
+		IndexerType RepoIndexerType `xorm:"INDEX(s) NOT NULL DEFAULT 0"`
+	}
+
+	if err := x.Sync2(new(LanguageStat)); err != nil {
+		return fmt.Errorf("Sync2: %w", err)
+	}
+
+	x.Delete(&RepoIndexerStatus{IndexerType: RepoIndexerTypeStats})
+
+	// Delete language stat statuses
+	truncExpr := "TRUNCATE TABLE"
+	if setting.Database.UseSQLite3 {
+		truncExpr = "DELETE FROM"
+	}
+
+	// Delete language stats
+	if _, err := x.Exec(fmt.Sprintf("%s language_stat", truncExpr)); err != nil {
+		return err
+	}
+
+	sess := x.NewSession()
+	defer sess.Close()
+	return base.DropTableColumns(sess, "language_stat", "percentage")
+}

models/migrations/v1_13/v141.go

@@ -0,0 +1,22 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"fmt"
+
+	"xorm.io/xorm"
+)
+
+func AddKeepActivityPrivateUserColumn(x *xorm.Engine) error {
+	type User struct {
+		KeepActivityPrivate bool `xorm:"NOT NULL DEFAULT false"`
+	}
+
+	if err := x.Sync2(new(User)); err != nil {
+		return fmt.Errorf("Sync2: %w", err)
+	}
+	return nil
+}

models/migrations/v1_13/v142.go

@@ -0,0 +1,25 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"code.gitea.io/gitea/modules/log"
+
+	"xorm.io/builder"
+	"xorm.io/xorm"
+)
+
+func SetIsArchivedToFalse(x *xorm.Engine) error {
+	type Repository struct {
+		IsArchived bool `xorm:"INDEX"`
+	}
+	count, err := x.Where(builder.IsNull{"is_archived"}).Cols("is_archived").Update(&Repository{
+		IsArchived: false,
+	})
+	if err == nil {
+		log.Debug("Updated %d repositories with is_archived IS NULL", count)
+	}
+	return err
+}

models/migrations/v1_13/v143.go

@@ -0,0 +1,52 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"code.gitea.io/gitea/modules/log"
+
+	"xorm.io/xorm"
+)
+
+func RecalculateStars(x *xorm.Engine) (err error) {
+	// because of issue https://github.com/go-gitea/gitea/issues/11949,
+	// recalculate Stars number for all users to fully fix it.
+
+	type User struct {
+		ID int64 `xorm:"pk autoincr"`
+	}
+
+	const batchSize = 100
+	sess := x.NewSession()
+	defer sess.Close()
+
+	for start := 0; ; start += batchSize {
+		users := make([]User, 0, batchSize)
+		if err = sess.Limit(batchSize, start).Where("type = ?", 0).Cols("id").Find(&users); err != nil {
+			return
+		}
+		if len(users) == 0 {
+			break
+		}
+
+		if err = sess.Begin(); err != nil {
+			return
+		}
+
+		for _, user := range users {
+			if _, err = sess.Exec("UPDATE `user` SET num_stars=(SELECT COUNT(*) FROM `star` WHERE uid=?) WHERE id=?", user.ID, user.ID); err != nil {
+				return
+			}
+		}
+
+		if err = sess.Commit(); err != nil {
+			return
+		}
+	}
+
+	log.Debug("recalculate Stars number for all user finished")
+
+	return err
+}

models/migrations/v1_13/v144.go

@@ -0,0 +1,26 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"code.gitea.io/gitea/modules/log"
+
+	"xorm.io/builder"
+	"xorm.io/xorm"
+)
+
+func UpdateMatrixWebhookHTTPMethod(x *xorm.Engine) error {
+	matrixHookTaskType := 9 // value comes from the models package
+	type Webhook struct {
+		HTTPMethod string
+	}
+
+	cond := builder.Eq{"hook_task_type": matrixHookTaskType}.And(builder.Neq{"http_method": "PUT"})
+	count, err := x.Where(cond).Cols("http_method").Update(&Webhook{HTTPMethod: "PUT"})
+	if err == nil {
+		log.Debug("Updated %d Matrix webhooks with http_method 'PUT'", count)
+	}
+	return err
+}

models/migrations/v1_13/v145.go

@@ -0,0 +1,82 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"fmt"
+
+	"code.gitea.io/gitea/modules/setting"
+
+	"xorm.io/xorm"
+)
+
+func IncreaseLanguageField(x *xorm.Engine) error {
+	type LanguageStat struct {
+		RepoID   int64  `xorm:"UNIQUE(s) INDEX NOT NULL"`
+		Language string `xorm:"VARCHAR(50) UNIQUE(s) INDEX NOT NULL"`
+	}
+
+	if err := x.Sync2(new(LanguageStat)); err != nil {
+		return err
+	}
+
+	if setting.Database.UseSQLite3 {
+		// SQLite maps VARCHAR to TEXT without size so we're done
+		return nil
+	}
+
+	// need to get the correct type for the new column
+	inferredTable, err := x.TableInfo(new(LanguageStat))
+	if err != nil {
+		return err
+	}
+	column := inferredTable.GetColumn("language")
+	sqlType := x.Dialect().SQLType(column)
+
+	sess := x.NewSession()
+	defer sess.Close()
+	if err := sess.Begin(); err != nil {
+		return err
+	}
+
+	switch {
+	case setting.Database.UseMySQL:
+		if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE language_stat MODIFY COLUMN language %s", sqlType)); err != nil {
+			return err
+		}
+	case setting.Database.UseMSSQL:
+		// Yet again MSSQL just has to be awkward.
+		// Here we have to drop the constraints first and then rebuild them
+		constraints := make([]string, 0)
+		if err := sess.SQL(`SELECT i.name AS Name
+			FROM sys.indexes i INNER JOIN sys.index_columns ic
+      			ON i.index_id = ic.index_id AND i.object_id = ic.object_id
+   			INNER JOIN sys.tables AS t
+      			ON t.object_id = i.object_id
+			INNER JOIN sys.columns c
+				ON t.object_id = c.object_id AND ic.column_id = c.column_id
+			WHERE t.name = 'language_stat' AND c.name = 'language'`).Find(&constraints); err != nil {
+			return fmt.Errorf("Find constraints: %w", err)
+		}
+		for _, constraint := range constraints {
+			if _, err := sess.Exec(fmt.Sprintf("DROP INDEX [%s] ON `language_stat`", constraint)); err != nil {
+				return fmt.Errorf("Drop table `language_stat` constraint `%s`: %w", constraint, err)
+			}
+		}
+		if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE language_stat ALTER COLUMN language %s", sqlType)); err != nil {
+			return err
+		}
+		// Finally restore the constraint
+		if err := sess.CreateUniques(new(LanguageStat)); err != nil {
+			return err
+		}
+	case setting.Database.UsePostgreSQL:
+		if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE language_stat ALTER COLUMN language TYPE %s", sqlType)); err != nil {
+			return err
+		}
+	}
+
+	return sess.Commit()
+}

models/migrations/v1_13/v146.go

@@ -0,0 +1,84 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/xorm"
+)
+
+func AddProjectsInfo(x *xorm.Engine) error {
+	// Create new tables
+	type (
+		ProjectType      uint8
+		ProjectBoardType uint8
+	)
+
+	type Project struct {
+		ID          int64  `xorm:"pk autoincr"`
+		Title       string `xorm:"INDEX NOT NULL"`
+		Description string `xorm:"TEXT"`
+		RepoID      int64  `xorm:"INDEX"`
+		CreatorID   int64  `xorm:"NOT NULL"`
+		IsClosed    bool   `xorm:"INDEX"`
+
+		BoardType ProjectBoardType
+		Type      ProjectType
+
+		ClosedDateUnix timeutil.TimeStamp
+		CreatedUnix    timeutil.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix    timeutil.TimeStamp `xorm:"INDEX updated"`
+	}
+
+	if err := x.Sync2(new(Project)); err != nil {
+		return err
+	}
+
+	type Comment struct {
+		OldProjectID int64
+		ProjectID    int64
+	}
+
+	if err := x.Sync2(new(Comment)); err != nil {
+		return err
+	}
+
+	type Repository struct {
+		ID                int64
+		NumProjects       int `xorm:"NOT NULL DEFAULT 0"`
+		NumClosedProjects int `xorm:"NOT NULL DEFAULT 0"`
+	}
+
+	if err := x.Sync2(new(Repository)); err != nil {
+		return err
+	}
+
+	// ProjectIssue saves relation from issue to a project
+	type ProjectIssue struct {
+		ID             int64 `xorm:"pk autoincr"`
+		IssueID        int64 `xorm:"INDEX"`
+		ProjectID      int64 `xorm:"INDEX"`
+		ProjectBoardID int64 `xorm:"INDEX"`
+	}
+
+	if err := x.Sync2(new(ProjectIssue)); err != nil {
+		return err
+	}
+
+	type ProjectBoard struct {
+		ID      int64 `xorm:"pk autoincr"`
+		Title   string
+		Default bool `xorm:"NOT NULL DEFAULT false"`
+
+		ProjectID int64 `xorm:"INDEX NOT NULL"`
+		CreatorID int64 `xorm:"NOT NULL"`
+
+		CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
+	}
+
+	return x.Sync2(new(ProjectBoard))
+}

models/migrations/v1_13/v147.go

@@ -0,0 +1,154 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/xorm"
+)
+
+func CreateReviewsForCodeComments(x *xorm.Engine) error {
+	// Review
+	type Review struct {
+		ID               int64 `xorm:"pk autoincr"`
+		Type             int
+		ReviewerID       int64 `xorm:"index"`
+		OriginalAuthor   string
+		OriginalAuthorID int64
+		IssueID          int64  `xorm:"index"`
+		Content          string `xorm:"TEXT"`
+		// Official is a review made by an assigned approver (counts towards approval)
+		Official bool   `xorm:"NOT NULL DEFAULT false"`
+		CommitID string `xorm:"VARCHAR(40)"`
+		Stale    bool   `xorm:"NOT NULL DEFAULT false"`
+
+		CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
+	}
+
+	const ReviewTypeComment = 2
+
+	// Comment represents a comment in commit and issue page.
+	type Comment struct {
+		ID               int64 `xorm:"pk autoincr"`
+		Type             int   `xorm:"INDEX"`
+		PosterID         int64 `xorm:"INDEX"`
+		OriginalAuthor   string
+		OriginalAuthorID int64
+		IssueID          int64 `xorm:"INDEX"`
+		LabelID          int64
+		OldProjectID     int64
+		ProjectID        int64
+		OldMilestoneID   int64
+		MilestoneID      int64
+		AssigneeID       int64
+		RemovedAssignee  bool
+		ResolveDoerID    int64
+		OldTitle         string
+		NewTitle         string
+		OldRef           string
+		NewRef           string
+		DependentIssueID int64
+
+		CommitID int64
+		Line     int64 // - previous line / + proposed line
+		TreePath string
+		Content  string `xorm:"TEXT"`
+
+		// Path represents the 4 lines of code cemented by this comment
+		PatchQuoted string `xorm:"TEXT patch"`
+
+		CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
+
+		// Reference issue in commit message
+		CommitSHA string `xorm:"VARCHAR(40)"`
+
+		ReviewID    int64 `xorm:"index"`
+		Invalidated bool
+
+		// Reference an issue or pull from another comment, issue or PR
+		// All information is about the origin of the reference
+		RefRepoID    int64 `xorm:"index"` // Repo where the referencing
+		RefIssueID   int64 `xorm:"index"`
+		RefCommentID int64 `xorm:"index"`    // 0 if origin is Issue title or content (or PR's)
+		RefAction    int   `xorm:"SMALLINT"` // What happens if RefIssueID resolves
+		RefIsPull    bool
+	}
+
+	if err := x.Sync2(new(Review), new(Comment)); err != nil {
+		return err
+	}
+
+	updateComment := func(comments []*Comment) error {
+		sess := x.NewSession()
+		defer sess.Close()
+		if err := sess.Begin(); err != nil {
+			return err
+		}
+
+		for _, comment := range comments {
+			review := &Review{
+				Type:             ReviewTypeComment,
+				ReviewerID:       comment.PosterID,
+				IssueID:          comment.IssueID,
+				Official:         false,
+				CommitID:         comment.CommitSHA,
+				Stale:            comment.Invalidated,
+				OriginalAuthor:   comment.OriginalAuthor,
+				OriginalAuthorID: comment.OriginalAuthorID,
+				CreatedUnix:      comment.CreatedUnix,
+				UpdatedUnix:      comment.CreatedUnix,
+			}
+			if _, err := sess.NoAutoTime().Insert(review); err != nil {
+				return err
+			}
+
+			reviewComment := &Comment{
+				Type:             22,
+				PosterID:         comment.PosterID,
+				Content:          "",
+				IssueID:          comment.IssueID,
+				ReviewID:         review.ID,
+				OriginalAuthor:   comment.OriginalAuthor,
+				OriginalAuthorID: comment.OriginalAuthorID,
+				CreatedUnix:      comment.CreatedUnix,
+				UpdatedUnix:      comment.CreatedUnix,
+			}
+			if _, err := sess.NoAutoTime().Insert(reviewComment); err != nil {
+				return err
+			}
+
+			comment.ReviewID = review.ID
+			if _, err := sess.ID(comment.ID).Cols("review_id").NoAutoTime().Update(comment); err != nil {
+				return err
+			}
+		}
+
+		return sess.Commit()
+	}
+
+	start := 0
+	batchSize := 100
+	for {
+		comments := make([]*Comment, 0, batchSize)
+		if err := x.Where("review_id = 0 and type = 21").Limit(batchSize, start).Find(&comments); err != nil {
+			return err
+		}
+
+		if err := updateComment(comments); err != nil {
+			return err
+		}
+
+		start += len(comments)
+
+		if len(comments) < batchSize {
+			break
+		}
+	}
+
+	return nil
+}

models/migrations/v1_13/v148.go

@@ -0,0 +1,14 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"xorm.io/xorm"
+)
+
+func PurgeInvalidDependenciesComments(x *xorm.Engine) error {
+	_, err := x.Exec("DELETE FROM comment WHERE dependent_issue_id != 0 AND dependent_issue_id NOT IN (SELECT id FROM issue)")
+	return err
+}

models/migrations/v1_13/v149.go

@@ -0,0 +1,25 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"fmt"
+
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/xorm"
+)
+
+func AddCreatedAndUpdatedToMilestones(x *xorm.Engine) error {
+	type Milestone struct {
+		CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
+	}
+
+	if err := x.Sync2(new(Milestone)); err != nil {
+		return fmt.Errorf("Sync2: %w", err)
+	}
+	return nil
+}

models/migrations/v1_13/v150.go

@@ -0,0 +1,40 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"code.gitea.io/gitea/models/migrations/base"
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/xorm"
+)
+
+func AddPrimaryKeyToRepoTopic(x *xorm.Engine) error {
+	// Topic represents a topic of repositories
+	type Topic struct {
+		ID          int64  `xorm:"pk autoincr"`
+		Name        string `xorm:"UNIQUE VARCHAR(25)"`
+		RepoCount   int
+		CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
+	}
+
+	// RepoTopic represents associated repositories and topics
+	type RepoTopic struct {
+		RepoID  int64 `xorm:"pk"`
+		TopicID int64 `xorm:"pk"`
+	}
+
+	sess := x.NewSession()
+	defer sess.Close()
+	if err := sess.Begin(); err != nil {
+		return err
+	}
+
+	base.RecreateTable(sess, &Topic{})
+	base.RecreateTable(sess, &RepoTopic{})
+
+	return sess.Commit()
+}

models/migrations/v1_13/v151.go

@@ -0,0 +1,197 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/setting"
+
+	"xorm.io/xorm"
+	"xorm.io/xorm/schemas"
+)
+
+func SetDefaultPasswordToArgon2(x *xorm.Engine) error {
+	switch {
+	case setting.Database.UseMySQL:
+		_, err := x.Exec("ALTER TABLE `user` ALTER passwd_hash_algo SET DEFAULT 'argon2';")
+		return err
+	case setting.Database.UsePostgreSQL:
+		_, err := x.Exec("ALTER TABLE `user` ALTER COLUMN passwd_hash_algo SET DEFAULT 'argon2';")
+		return err
+	case setting.Database.UseMSSQL:
+		// need to find the constraint and drop it, then recreate it.
+		sess := x.NewSession()
+		defer sess.Close()
+		if err := sess.Begin(); err != nil {
+			return err
+		}
+		res, err := sess.QueryString("SELECT [name] FROM sys.default_constraints WHERE parent_object_id=OBJECT_ID(?) AND COL_NAME(parent_object_id, parent_column_id)=?;", "user", "passwd_hash_algo")
+		if err != nil {
+			return err
+		}
+		if len(res) > 0 {
+			constraintName := res[0]["name"]
+			log.Error("Results of select constraint: %s", constraintName)
+			_, err := sess.Exec("ALTER TABLE [user] DROP CONSTRAINT " + constraintName)
+			if err != nil {
+				return err
+			}
+			_, err = sess.Exec("ALTER TABLE [user] ADD CONSTRAINT " + constraintName + " DEFAULT 'argon2' FOR passwd_hash_algo")
+			if err != nil {
+				return err
+			}
+		} else {
+			_, err := sess.Exec("ALTER TABLE [user] ADD DEFAULT('argon2') FOR passwd_hash_algo")
+			if err != nil {
+				return err
+			}
+		}
+		return sess.Commit()
+
+	case setting.Database.UseSQLite3:
+		// drop through
+	default:
+		log.Fatal("Unrecognized DB")
+	}
+
+	tables, err := x.DBMetas()
+	if err != nil {
+		return err
+	}
+
+	// Now for SQLite we have to recreate the table
+	var table *schemas.Table
+	tableName := "user"
+
+	for _, table = range tables {
+		if table.Name == tableName {
+			break
+		}
+	}
+	if table == nil || table.Name != tableName {
+		type User struct {
+			PasswdHashAlgo string `xorm:"NOT NULL DEFAULT 'argon2'"`
+		}
+		return x.Sync2(new(User))
+	}
+	column := table.GetColumn("passwd_hash_algo")
+	if column == nil {
+		type User struct {
+			PasswdHashAlgo string `xorm:"NOT NULL DEFAULT 'argon2'"`
+		}
+		return x.Sync2(new(User))
+	}
+
+	tempTableName := "tmp_recreate__user"
+	column.Default = "'argon2'"
+
+	createTableSQL, _, err := x.Dialect().CreateTableSQL(context.Background(), x.DB(), table, tempTableName)
+	if err != nil {
+		return err
+	}
+
+	sess := x.NewSession()
+	defer sess.Close()
+	if err := sess.Begin(); err != nil {
+		return err
+	}
+	if _, err := sess.Exec(createTableSQL); err != nil {
+		log.Error("Unable to create table %s. Error: %v\n", tempTableName, err, createTableSQL)
+		return err
+	}
+	for _, index := range table.Indexes {
+		if _, err := sess.Exec(x.Dialect().CreateIndexSQL(tempTableName, index)); err != nil {
+			log.Error("Unable to create indexes on temporary table %s. Error: %v", tempTableName, err)
+			return err
+		}
+	}
+
+	newTableColumns := table.Columns()
+	if len(newTableColumns) == 0 {
+		return fmt.Errorf("no columns in new table")
+	}
+	hasID := false
+	for _, column := range newTableColumns {
+		hasID = hasID || (column.IsPrimaryKey && column.IsAutoIncrement)
+	}
+
+	sqlStringBuilder := &strings.Builder{}
+	_, _ = sqlStringBuilder.WriteString("INSERT INTO `")
+	_, _ = sqlStringBuilder.WriteString(tempTableName)
+	_, _ = sqlStringBuilder.WriteString("` (`")
+	_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Name)
+	_, _ = sqlStringBuilder.WriteString("`")
+	for _, column := range newTableColumns[1:] {
+		_, _ = sqlStringBuilder.WriteString(", `")
+		_, _ = sqlStringBuilder.WriteString(column.Name)
+		_, _ = sqlStringBuilder.WriteString("`")
+	}
+	_, _ = sqlStringBuilder.WriteString(")")
+	_, _ = sqlStringBuilder.WriteString(" SELECT ")
+	if newTableColumns[0].Default != "" {
+		_, _ = sqlStringBuilder.WriteString("COALESCE(`")
+		_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Name)
+		_, _ = sqlStringBuilder.WriteString("`, ")
+		_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Default)
+		_, _ = sqlStringBuilder.WriteString(")")
+	} else {
+		_, _ = sqlStringBuilder.WriteString("`")
+		_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Name)
+		_, _ = sqlStringBuilder.WriteString("`")
+	}
+
+	for _, column := range newTableColumns[1:] {
+		if column.Default != "" {
+			_, _ = sqlStringBuilder.WriteString(", COALESCE(`")
+			_, _ = sqlStringBuilder.WriteString(column.Name)
+			_, _ = sqlStringBuilder.WriteString("`, ")
+			_, _ = sqlStringBuilder.WriteString(column.Default)
+			_, _ = sqlStringBuilder.WriteString(")")
+		} else {
+			_, _ = sqlStringBuilder.WriteString(", `")
+			_, _ = sqlStringBuilder.WriteString(column.Name)
+			_, _ = sqlStringBuilder.WriteString("`")
+		}
+	}
+	_, _ = sqlStringBuilder.WriteString(" FROM `")
+	_, _ = sqlStringBuilder.WriteString(tableName)
+	_, _ = sqlStringBuilder.WriteString("`")
+
+	if _, err := sess.Exec(sqlStringBuilder.String()); err != nil {
+		log.Error("Unable to set copy data in to temp table %s. Error: %v", tempTableName, err)
+		return err
+	}
+
+	// SQLite will drop all the constraints on the old table
+	if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s`", tableName)); err != nil {
+		log.Error("Unable to drop old table %s. Error: %v", tableName, err)
+		return err
+	}
+
+	for _, index := range table.Indexes {
+		if _, err := sess.Exec(x.Dialect().DropIndexSQL(tempTableName, index)); err != nil {
+			log.Error("Unable to drop indexes on temporary table %s. Error: %v", tempTableName, err)
+			return err
+		}
+	}
+
+	if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` RENAME TO `%s`", tempTableName, tableName)); err != nil {
+		log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
+		return err
+	}
+
+	for _, index := range table.Indexes {
+		if _, err := sess.Exec(x.Dialect().CreateIndexSQL(tableName, index)); err != nil {
+			log.Error("Unable to recreate indexes on table %s. Error: %v", tableName, err)
+			return err
+		}
+	}
+
+	return sess.Commit()
+}

models/migrations/v1_13/v152.go

@@ -0,0 +1,14 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import "xorm.io/xorm"
+
+func AddTrustModelToRepository(x *xorm.Engine) error {
+	type Repository struct {
+		TrustModel int
+	}
+	return x.Sync2(new(Repository))
+}

models/migrations/v1_13/v153.go

@@ -0,0 +1,25 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"xorm.io/xorm"
+)
+
+func AddTeamReviewRequestSupport(x *xorm.Engine) error {
+	type Review struct {
+		ReviewerTeamID int64 `xorm:"NOT NULL DEFAULT 0"`
+	}
+
+	type Comment struct {
+		AssigneeTeamID int64 `xorm:"NOT NULL DEFAULT 0"`
+	}
+
+	if err := x.Sync2(new(Review)); err != nil {
+		return err
+	}
+
+	return x.Sync2(new(Comment))
+}

models/migrations/v1_13/v154.go

@@ -0,0 +1,56 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_13 //nolint
+
+import (
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/xorm"
+)
+
+func AddTimeStamps(x *xorm.Engine) error {
+	// this will add timestamps where it is useful to have
+
+	// Star represents a starred repo by an user.
+	type Star struct {
+		CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+	}
+	if err := x.Sync2(new(Star)); err != nil {
+		return err
+	}
+
+	// Label represents a label of repository for issues.
+	type Label struct {
+		CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
+	}
+	if err := x.Sync2(new(Label)); err != nil {
+		return err
+	}
+
+	// Follow represents relations of user and their followers.
+	type Follow struct {
+		CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+	}
+	if err := x.Sync2(new(Follow)); err != nil {
+		return err
+	}
+
+	// Watch is connection request for receiving repository notification.
+	type Watch struct {
+		CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
+	}
+	if err := x.Sync2(new(Watch)); err != nil {
+		return err
+	}
+
+	// Collaboration represent the relation between an individual and a repository.
+	type Collaboration struct {
+		CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
+	}
+	return x.Sync2(new(Collaboration))
+}