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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>
54 lines
1.7 KiB
Go
54 lines
1.7 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package migrations
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import (
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/timeutil"
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"xorm.io/xorm"
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"xorm.io/xorm/schemas"
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)
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type improveActionTableIndicesAction struct {
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ID int64 `xorm:"pk autoincr"`
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UserID int64 // Receiver user id.
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OpType int
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ActUserID int64 // Action user id.
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RepoID int64
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CommentID int64 `xorm:"INDEX"`
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IsDeleted bool `xorm:"NOT NULL DEFAULT false"`
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RefName string
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IsPrivate bool `xorm:"NOT NULL DEFAULT false"`
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Content string `xorm:"TEXT"`
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CreatedUnix timeutil.TimeStamp `xorm:"created"`
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}
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// TableName sets the name of this table
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func (*improveActionTableIndicesAction) TableName() string {
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return "action"
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}
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// TableIndices implements xorm's TableIndices interface
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func (*improveActionTableIndicesAction) TableIndices() []*schemas.Index {
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repoIndex := schemas.NewIndex("r_u_d", schemas.IndexType)
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repoIndex.AddColumn("repo_id", "user_id", "is_deleted")
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actUserIndex := schemas.NewIndex("au_r_c_u_d", schemas.IndexType)
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actUserIndex.AddColumn("act_user_id", "repo_id", "created_unix", "user_id", "is_deleted")
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indices := []*schemas.Index{actUserIndex, repoIndex}
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if setting.Database.UsePostgreSQL {
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cudIndex := schemas.NewIndex("c_u_d", schemas.IndexType)
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cudIndex.AddColumn("created_unix", "user_id", "is_deleted")
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indices = append(indices, cudIndex)
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}
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return indices
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}
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func improveActionTableIndices(x *xorm.Engine) error {
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return x.Sync2(&improveActionTableIndicesAction{})
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}
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