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// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package v1_14 //nolint
import (
"fmt"
"strconv"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"xorm.io/xorm"
)
func UpdateCodeCommentReplies(x *xorm.Engine) error {
type Comment struct {
ID int64 `xorm:"pk autoincr"`
CommitSHA string `xorm:"VARCHAR(40)"`
Patch string `xorm:"TEXT patch"`
Invalidated bool
// Not extracted but used in the below query
Type int `xorm:"INDEX"`
Line int64 // - previous line / + proposed line
TreePath string
ReviewID int64 `xorm:"index"`
}
if err := x.Sync2(new(Comment)); err != nil {
return err
}
sqlSelect := `SELECT comment.id as id, first.commit_sha as commit_sha, first.patch as patch, first.invalidated as invalidated`
sqlTail := ` FROM comment INNER JOIN (
SELECT C.id, C.review_id, C.line, C.tree_path, C.patch, C.commit_sha, C.invalidated
FROM comment AS C
WHERE C.type = 21
AND C.created_unix =
(SELECT MIN(comment.created_unix)
FROM comment
WHERE comment.review_id = C.review_id
AND comment.type = 21
AND comment.line = C.line
AND comment.tree_path = C.tree_path)
) AS first
ON comment.review_id = first.review_id
AND comment.tree_path = first.tree_path AND comment.line = first.line
WHERE comment.type = 21
AND comment.id != first.id
AND comment.commit_sha != first.commit_sha`
var (
sqlCmd string
start = 0
batchSize = 100
sess = x.NewSession()
)
defer sess.Close()
for {
if err := sess.Begin(); err != nil {
return err
}
if setting.Database.Type.IsMSSQL() {
if _, err := sess.Exec(sqlSelect + " INTO #temp_comments" + sqlTail); err != nil {
log.Error("unable to create temporary table")
return err
}
}
comments := make([]*Comment, 0, batchSize)
switch {
case setting.Database.Type.IsMySQL():
sqlCmd = sqlSelect + sqlTail + " LIMIT " + strconv.Itoa(batchSize) + ", " + strconv.Itoa(start)
case setting.Database.Type.IsPostgreSQL():
fallthrough
case setting.Database.Type.IsSQLite3():
sqlCmd = sqlSelect + sqlTail + " LIMIT " + strconv.Itoa(batchSize) + " OFFSET " + strconv.Itoa(start)
case setting.Database.Type.IsMSSQL():
sqlCmd = "SELECT TOP " + strconv.Itoa(batchSize) + " * FROM #temp_comments WHERE " +
"(id NOT IN ( SELECT TOP " + strconv.Itoa(start) + " id FROM #temp_comments ORDER BY id )) ORDER BY id"
default:
return fmt.Errorf("Unsupported database type")
}
if err := sess.SQL(sqlCmd).Find(&comments); err != nil {
log.Error("failed to select: %v", err)
return err
}
for _, comment := range comments {
if _, err := sess.Table("comment").ID(comment.ID).Cols("commit_sha", "patch", "invalidated").Update(comment); err != nil {
log.Error("failed to update comment[%d]: %v %v", comment.ID, comment, err)
return err
}
}
start += len(comments)
if err := sess.Commit(); err != nil {
return err
}
if len(comments) < batchSize {
break
}
}
return nil
}
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