forgejo-federation/models/migrations/v218.go
zeripath 58a80ba69c
Add another index for Action table on postgres (#21033)
In #21031 we have discovered that on very big tables postgres will use a
search involving the sort term in preference to the restrictive index.

Therefore we add another index for postgres and update the original migration.

Fix #21031

Signed-off-by: Andrew Thornton <art27@cantab.net>
2022-09-03 17:27:59 +01:00

53 lines
1.7 KiB
Go

// Copyright 2022 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/setting"
"code.gitea.io/gitea/modules/timeutil"
"xorm.io/xorm"
"xorm.io/xorm/schemas"
)
type improveActionTableIndicesAction struct {
ID int64 `xorm:"pk autoincr"`
UserID int64 // Receiver user id.
OpType int
ActUserID int64 // Action user id.
RepoID int64
CommentID int64 `xorm:"INDEX"`
IsDeleted bool `xorm:"NOT NULL DEFAULT false"`
RefName string
IsPrivate bool `xorm:"NOT NULL DEFAULT false"`
Content string `xorm:"TEXT"`
CreatedUnix timeutil.TimeStamp `xorm:"created"`
}
// TableName sets the name of this table
func (*improveActionTableIndicesAction) TableName() string {
return "action"
}
// TableIndices implements xorm's TableIndices interface
func (*improveActionTableIndicesAction) TableIndices() []*schemas.Index {
repoIndex := schemas.NewIndex("r_u_d", schemas.IndexType)
repoIndex.AddColumn("repo_id", "user_id", "is_deleted")
actUserIndex := schemas.NewIndex("au_r_c_u_d", schemas.IndexType)
actUserIndex.AddColumn("act_user_id", "repo_id", "created_unix", "user_id", "is_deleted")
indices := []*schemas.Index{actUserIndex, repoIndex}
if setting.Database.UsePostgreSQL {
cudIndex := schemas.NewIndex("c_u_d", schemas.IndexType)
cudIndex.AddColumn("created_unix", "user_id", "is_deleted")
indices = append(indices, cudIndex)
}
return indices
}
func improveActionTableIndices(x *xorm.Engine) error {
return x.Sync2(&improveActionTableIndicesAction{})
}