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	When there are over 5M records on `action` table, the heatmap on dashboard is very slow as below SQL. ``` database duration=1.8881s db.sql="SELECT created_unix DIV 900 * 900 AS timestamp, count(user_id) as contributions FROM `action` WHERE user_id=? AND act_user_id=? AND (created_unix > ?) GROUP BY timestamp ORDER BY timestamp" ``` This PR add a new index for `action` table with columns `user_id`, `act_user_id` and `created_unix` so that this query will become about 6 times faster than before.
		
			
				
	
	
		
			57 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2025 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package v1_24 //nolint
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import (
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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 `xorm:"INDEX"` // 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 (a *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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	cudIndex := schemas.NewIndex("c_u_d", schemas.IndexType)
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	cudIndex.AddColumn("created_unix", "user_id", "is_deleted")
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	cuIndex := schemas.NewIndex("c_u", schemas.IndexType)
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	cuIndex.AddColumn("user_id", "is_deleted")
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	actUserUserIndex := schemas.NewIndex("au_c_u", schemas.IndexType)
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	actUserUserIndex.AddColumn("act_user_id", "created_unix", "user_id")
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	indices := []*schemas.Index{actUserIndex, repoIndex, cudIndex, cuIndex, actUserUserIndex}
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	return indices
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}
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func AddNewIndexForUserDashboard(x *xorm.Engine) error {
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	return x.Sync(new(improveActionTableIndicesAction))
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}
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