Refix indices on actions table (#20158) (#20198)

Backport #20158

Unforunately the previous PR #20035 created indices that were not helpful
for SQLite. This PR adjusts these after testing using the try.gitea.io db.

Fix #20129

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2022-07-02 14:31:51 +01:00 committed by GitHub
parent d22826a28e
commit e321b40bb0
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 59 additions and 53 deletions

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@ -92,12 +92,12 @@ func init() {
// TableIndices implements xorm's TableIndices interface
func (a *Action) 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")
repoIndex := schemas.NewIndex("r_c_u_d", schemas.IndexType)
repoIndex.AddColumn("repo_id", "created_unix", "user_id", "is_deleted")
return []*schemas.Index{actUserIndex, repoIndex}
}

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@ -56,6 +56,9 @@ type Version struct {
Version int64
}
// Use noopMigration when there is a migration that has been no-oped
var noopMigration = func(_ *xorm.Engine) error { return nil }
// This is a sequence of migrations. Add new migrations to the bottom of the list.
// If you want to "retire" a migration, remove it from the top of the list and
// update minDBVersion accordingly
@ -351,7 +354,7 @@ var migrations = []Migration{
// v198 -> v199
NewMigration("Add issue content history table", addTableIssueContentHistory),
// v199 -> v200
NewMigration("No-op (remote version is using AppState now)", addRemoteVersionTableNoop),
NewMigration("No-op (remote version is using AppState now)", noopMigration),
// v200 -> v201
NewMigration("Add table app_state", addTableAppState),
// v201 -> v202
@ -388,9 +391,11 @@ var migrations = []Migration{
// v215 -> v216
NewMigration("allow to view files in PRs", addReviewViewedFiles),
// v216 -> v217
NewMigration("Improve Action table indices", improveActionTableIndices),
NewMigration("No-op (Improve Action table indices v1)", noopMigration),
// v217 -> v218
NewMigration("Alter hook_task table TEXT fields to LONGTEXT", alterHookTaskTextFieldsToLongText),
// v218 -> v219
NewMigration("Improve Action table indices v2", improveActionTableIndices),
}
// GetCurrentDBVersion returns the current db version

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@ -4,11 +4,4 @@
package migrations
import (
"xorm.io/xorm"
)
func addRemoteVersionTableNoop(x *xorm.Engine) error {
// we used to use a table `remote_version` to store information for updater, now we use `AppState`, so this migration task is a no-op now.
return nil
}
// We used to use a table `remote_version` to store information for updater, now we use `AppState`, so this migration task is a no-op now.

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@ -4,43 +4,5 @@
package migrations
import (
"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 (a *improveActionTableIndicesAction) TableName() string {
return "action"
}
// TableIndices implements xorm's TableIndices interface
func (a *improveActionTableIndicesAction) TableIndices() []*schemas.Index {
actUserIndex := schemas.NewIndex("au_r_c_u_d", schemas.IndexType)
actUserIndex.AddColumn("act_user_id", "repo_id", "created_unix", "user_id", "is_deleted")
repoIndex := schemas.NewIndex("r_c_u_d", schemas.IndexType)
repoIndex.AddColumn("repo_id", "created_unix", "user_id", "is_deleted")
return []*schemas.Index{actUserIndex, repoIndex}
}
func improveActionTableIndices(x *xorm.Engine) error {
return x.Sync2(&improveActionTableIndicesAction{})
}
// This migration added non-ideal indices to the action table which on larger datasets slowed things down
// it has been superceded by v218.go

46
models/migrations/v218.go Normal file
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@ -0,0 +1,46 @@
// 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/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")
return []*schemas.Index{actUserIndex, repoIndex}
}
func improveActionTableIndices(x *xorm.Engine) error {
return x.Sync2(&improveActionTableIndicesAction{})
}