Add Primary Key to Topic and RepoTopic (#12639)

Add a primary key to Topic and RepoTopic tables

Fix #8920

Signed-off-by: Andrew Thornton <art27@cantab.net>

1 files changed, 39 insertions, 0 deletions

diff --git a/models/migrations/v150.go b/models/migrations/v150.go
new file mode 100644
index 0000000000..41d6a90401
--- /dev/null
+++ b/models/migrations/v150.go
@@ -0,0 +1,39 @@
+// 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 migrations
+
+import (
+	"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
+	}
+
+	recreateTable(sess, &Topic{})
+	recreateTable(sess, &RepoTopic{})
+
+	return sess.Commit()
+}