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forgejo/models/issue_list.go
Lunny Xiao 8ce1b539b1
Use conditions but not repo ids as query condition (#16839)
* Use conditions but not repo ids as query condition

* Improve the performance of pulls/issue

* Remove duplicated code

* fix lint

* Fix bug

* Fix stats

* More fixes

* Fix build

* Fix lint

* Fix test

* Fix build

* Adjust the logic

* Merge

* Fix conflicts

* improve the performance

* Add comments for the query conditions functions

* Some improvements
2021-12-29 21:02:12 +08:00

568 lines
14 KiB
Go

// Copyright 2017 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 models
import (
"fmt"
"code.gitea.io/gitea/models/db"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"xorm.io/builder"
)
// IssueList defines a list of issues
type IssueList []*Issue
const (
// default variables number on IN () in SQL
defaultMaxInSize = 50
)
func (issues IssueList) getRepoIDs() []int64 {
repoIDs := make(map[int64]struct{}, len(issues))
for _, issue := range issues {
if issue.Repo != nil {
continue
}
if _, ok := repoIDs[issue.RepoID]; !ok {
repoIDs[issue.RepoID] = struct{}{}
}
}
return keysInt64(repoIDs)
}
func (issues IssueList) loadRepositories(e db.Engine) ([]*repo_model.Repository, error) {
if len(issues) == 0 {
return nil, nil
}
repoIDs := issues.getRepoIDs()
repoMaps := make(map[int64]*repo_model.Repository, len(repoIDs))
left := len(repoIDs)
for left > 0 {
limit := defaultMaxInSize
if left < limit {
limit = left
}
err := e.
In("id", repoIDs[:limit]).
Find(&repoMaps)
if err != nil {
return nil, fmt.Errorf("find repository: %v", err)
}
left -= limit
repoIDs = repoIDs[limit:]
}
for _, issue := range issues {
if issue.Repo == nil {
issue.Repo = repoMaps[issue.RepoID]
} else {
repoMaps[issue.RepoID] = issue.Repo
}
if issue.PullRequest != nil && issue.PullRequest.BaseRepo == nil {
issue.PullRequest.BaseRepo = issue.Repo
}
}
return valuesRepository(repoMaps), nil
}
// LoadRepositories loads issues' all repositories
func (issues IssueList) LoadRepositories() ([]*repo_model.Repository, error) {
return issues.loadRepositories(db.GetEngine(db.DefaultContext))
}
func (issues IssueList) getPosterIDs() []int64 {
posterIDs := make(map[int64]struct{}, len(issues))
for _, issue := range issues {
if _, ok := posterIDs[issue.PosterID]; !ok {
posterIDs[issue.PosterID] = struct{}{}
}
}
return keysInt64(posterIDs)
}
func (issues IssueList) loadPosters(e db.Engine) error {
if len(issues) == 0 {
return nil
}
posterIDs := issues.getPosterIDs()
posterMaps := make(map[int64]*user_model.User, len(posterIDs))
left := len(posterIDs)
for left > 0 {
limit := defaultMaxInSize
if left < limit {
limit = left
}
err := e.
In("id", posterIDs[:limit]).
Find(&posterMaps)
if err != nil {
return err
}
left -= limit
posterIDs = posterIDs[limit:]
}
for _, issue := range issues {
if issue.PosterID <= 0 {
continue
}
var ok bool
if issue.Poster, ok = posterMaps[issue.PosterID]; !ok {
issue.Poster = user_model.NewGhostUser()
}
}
return nil
}
func (issues IssueList) getIssueIDs() []int64 {
ids := make([]int64, 0, len(issues))
for _, issue := range issues {
ids = append(ids, issue.ID)
}
return ids
}
func (issues IssueList) loadLabels(e db.Engine) error {
if len(issues) == 0 {
return nil
}
type LabelIssue struct {
Label *Label `xorm:"extends"`
IssueLabel *IssueLabel `xorm:"extends"`
}
issueLabels := make(map[int64][]*Label, len(issues)*3)
issueIDs := issues.getIssueIDs()
left := len(issueIDs)
for left > 0 {
limit := defaultMaxInSize
if left < limit {
limit = left
}
rows, err := e.Table("label").
Join("LEFT", "issue_label", "issue_label.label_id = label.id").
In("issue_label.issue_id", issueIDs[:limit]).
Asc("label.name").
Rows(new(LabelIssue))
if err != nil {
return err
}
for rows.Next() {
var labelIssue LabelIssue
err = rows.Scan(&labelIssue)
if err != nil {
if err1 := rows.Close(); err1 != nil {
return fmt.Errorf("IssueList.loadLabels: Close: %v", err1)
}
return err
}
issueLabels[labelIssue.IssueLabel.IssueID] = append(issueLabels[labelIssue.IssueLabel.IssueID], labelIssue.Label)
}
// When there are no rows left and we try to close it.
// Since that is not relevant for us, we can safely ignore it.
if err1 := rows.Close(); err1 != nil {
return fmt.Errorf("IssueList.loadLabels: Close: %v", err1)
}
left -= limit
issueIDs = issueIDs[limit:]
}
for _, issue := range issues {
issue.Labels = issueLabels[issue.ID]
}
return nil
}
func (issues IssueList) getMilestoneIDs() []int64 {
ids := make(map[int64]struct{}, len(issues))
for _, issue := range issues {
if _, ok := ids[issue.MilestoneID]; !ok {
ids[issue.MilestoneID] = struct{}{}
}
}
return keysInt64(ids)
}
func (issues IssueList) loadMilestones(e db.Engine) error {
milestoneIDs := issues.getMilestoneIDs()
if len(milestoneIDs) == 0 {
return nil
}
milestoneMaps := make(map[int64]*Milestone, len(milestoneIDs))
left := len(milestoneIDs)
for left > 0 {
limit := defaultMaxInSize
if left < limit {
limit = left
}
err := e.
In("id", milestoneIDs[:limit]).
Find(&milestoneMaps)
if err != nil {
return err
}
left -= limit
milestoneIDs = milestoneIDs[limit:]
}
for _, issue := range issues {
issue.Milestone = milestoneMaps[issue.MilestoneID]
}
return nil
}
func (issues IssueList) loadAssignees(e db.Engine) error {
if len(issues) == 0 {
return nil
}
type AssigneeIssue struct {
IssueAssignee *IssueAssignees `xorm:"extends"`
Assignee *user_model.User `xorm:"extends"`
}
assignees := make(map[int64][]*user_model.User, len(issues))
issueIDs := issues.getIssueIDs()
left := len(issueIDs)
for left > 0 {
limit := defaultMaxInSize
if left < limit {
limit = left
}
rows, err := e.Table("issue_assignees").
Join("INNER", "`user`", "`user`.id = `issue_assignees`.assignee_id").
In("`issue_assignees`.issue_id", issueIDs[:limit]).
Rows(new(AssigneeIssue))
if err != nil {
return err
}
for rows.Next() {
var assigneeIssue AssigneeIssue
err = rows.Scan(&assigneeIssue)
if err != nil {
if err1 := rows.Close(); err1 != nil {
return fmt.Errorf("IssueList.loadAssignees: Close: %v", err1)
}
return err
}
assignees[assigneeIssue.IssueAssignee.IssueID] = append(assignees[assigneeIssue.IssueAssignee.IssueID], assigneeIssue.Assignee)
}
if err1 := rows.Close(); err1 != nil {
return fmt.Errorf("IssueList.loadAssignees: Close: %v", err1)
}
left -= limit
issueIDs = issueIDs[limit:]
}
for _, issue := range issues {
issue.Assignees = assignees[issue.ID]
}
return nil
}
func (issues IssueList) getPullIssueIDs() []int64 {
ids := make([]int64, 0, len(issues))
for _, issue := range issues {
if issue.IsPull && issue.PullRequest == nil {
ids = append(ids, issue.ID)
}
}
return ids
}
func (issues IssueList) loadPullRequests(e db.Engine) error {
issuesIDs := issues.getPullIssueIDs()
if len(issuesIDs) == 0 {
return nil
}
pullRequestMaps := make(map[int64]*PullRequest, len(issuesIDs))
left := len(issuesIDs)
for left > 0 {
limit := defaultMaxInSize
if left < limit {
limit = left
}
rows, err := e.
In("issue_id", issuesIDs[:limit]).
Rows(new(PullRequest))
if err != nil {
return err
}
for rows.Next() {
var pr PullRequest
err = rows.Scan(&pr)
if err != nil {
if err1 := rows.Close(); err1 != nil {
return fmt.Errorf("IssueList.loadPullRequests: Close: %v", err1)
}
return err
}
pullRequestMaps[pr.IssueID] = &pr
}
if err1 := rows.Close(); err1 != nil {
return fmt.Errorf("IssueList.loadPullRequests: Close: %v", err1)
}
left -= limit
issuesIDs = issuesIDs[limit:]
}
for _, issue := range issues {
issue.PullRequest = pullRequestMaps[issue.ID]
}
return nil
}
func (issues IssueList) loadAttachments(e db.Engine) (err error) {
if len(issues) == 0 {
return nil
}
attachments := make(map[int64][]*repo_model.Attachment, len(issues))
issuesIDs := issues.getIssueIDs()
left := len(issuesIDs)
for left > 0 {
limit := defaultMaxInSize
if left < limit {
limit = left
}
rows, err := e.Table("attachment").
Join("INNER", "issue", "issue.id = attachment.issue_id").
In("issue.id", issuesIDs[:limit]).
Rows(new(repo_model.Attachment))
if err != nil {
return err
}
for rows.Next() {
var attachment repo_model.Attachment
err = rows.Scan(&attachment)
if err != nil {
if err1 := rows.Close(); err1 != nil {
return fmt.Errorf("IssueList.loadAttachments: Close: %v", err1)
}
return err
}
attachments[attachment.IssueID] = append(attachments[attachment.IssueID], &attachment)
}
if err1 := rows.Close(); err1 != nil {
return fmt.Errorf("IssueList.loadAttachments: Close: %v", err1)
}
left -= limit
issuesIDs = issuesIDs[limit:]
}
for _, issue := range issues {
issue.Attachments = attachments[issue.ID]
}
return nil
}
func (issues IssueList) loadComments(e db.Engine, cond builder.Cond) (err error) {
if len(issues) == 0 {
return nil
}
comments := make(map[int64][]*Comment, len(issues))
issuesIDs := issues.getIssueIDs()
left := len(issuesIDs)
for left > 0 {
limit := defaultMaxInSize
if left < limit {
limit = left
}
rows, err := e.Table("comment").
Join("INNER", "issue", "issue.id = comment.issue_id").
In("issue.id", issuesIDs[:limit]).
Where(cond).
Rows(new(Comment))
if err != nil {
return err
}
for rows.Next() {
var comment Comment
err = rows.Scan(&comment)
if err != nil {
if err1 := rows.Close(); err1 != nil {
return fmt.Errorf("IssueList.loadComments: Close: %v", err1)
}
return err
}
comments[comment.IssueID] = append(comments[comment.IssueID], &comment)
}
if err1 := rows.Close(); err1 != nil {
return fmt.Errorf("IssueList.loadComments: Close: %v", err1)
}
left -= limit
issuesIDs = issuesIDs[limit:]
}
for _, issue := range issues {
issue.Comments = comments[issue.ID]
}
return nil
}
func (issues IssueList) loadTotalTrackedTimes(e db.Engine) (err error) {
type totalTimesByIssue struct {
IssueID int64
Time int64
}
if len(issues) == 0 {
return nil
}
trackedTimes := make(map[int64]int64, len(issues))
ids := make([]int64, 0, len(issues))
for _, issue := range issues {
if issue.Repo.IsTimetrackerEnabled() {
ids = append(ids, issue.ID)
}
}
left := len(ids)
for left > 0 {
limit := defaultMaxInSize
if left < limit {
limit = left
}
// select issue_id, sum(time) from tracked_time where issue_id in (<issue ids in current page>) group by issue_id
rows, err := e.Table("tracked_time").
Where("deleted = ?", false).
Select("issue_id, sum(time) as time").
In("issue_id", ids[:limit]).
GroupBy("issue_id").
Rows(new(totalTimesByIssue))
if err != nil {
return err
}
for rows.Next() {
var totalTime totalTimesByIssue
err = rows.Scan(&totalTime)
if err != nil {
if err1 := rows.Close(); err1 != nil {
return fmt.Errorf("IssueList.loadTotalTrackedTimes: Close: %v", err1)
}
return err
}
trackedTimes[totalTime.IssueID] = totalTime.Time
}
if err1 := rows.Close(); err1 != nil {
return fmt.Errorf("IssueList.loadTotalTrackedTimes: Close: %v", err1)
}
left -= limit
ids = ids[limit:]
}
for _, issue := range issues {
issue.TotalTrackedTime = trackedTimes[issue.ID]
}
return nil
}
// loadAttributes loads all attributes, expect for attachments and comments
func (issues IssueList) loadAttributes(e db.Engine) error {
if _, err := issues.loadRepositories(e); err != nil {
return fmt.Errorf("issue.loadAttributes: loadRepositories: %v", err)
}
if err := issues.loadPosters(e); err != nil {
return fmt.Errorf("issue.loadAttributes: loadPosters: %v", err)
}
if err := issues.loadLabels(e); err != nil {
return fmt.Errorf("issue.loadAttributes: loadLabels: %v", err)
}
if err := issues.loadMilestones(e); err != nil {
return fmt.Errorf("issue.loadAttributes: loadMilestones: %v", err)
}
if err := issues.loadAssignees(e); err != nil {
return fmt.Errorf("issue.loadAttributes: loadAssignees: %v", err)
}
if err := issues.loadPullRequests(e); err != nil {
return fmt.Errorf("issue.loadAttributes: loadPullRequests: %v", err)
}
if err := issues.loadTotalTrackedTimes(e); err != nil {
return fmt.Errorf("issue.loadAttributes: loadTotalTrackedTimes: %v", err)
}
return nil
}
// LoadAttributes loads attributes of the issues, except for attachments and
// comments
func (issues IssueList) LoadAttributes() error {
return issues.loadAttributes(db.GetEngine(db.DefaultContext))
}
// LoadAttachments loads attachments
func (issues IssueList) LoadAttachments() error {
return issues.loadAttachments(db.GetEngine(db.DefaultContext))
}
// LoadComments loads comments
func (issues IssueList) LoadComments() error {
return issues.loadComments(db.GetEngine(db.DefaultContext), builder.NewCond())
}
// LoadDiscussComments loads discuss comments
func (issues IssueList) LoadDiscussComments() error {
return issues.loadComments(db.GetEngine(db.DefaultContext), builder.Eq{"comment.type": CommentTypeComment})
}
// LoadPullRequests loads pull requests
func (issues IssueList) LoadPullRequests() error {
return issues.loadPullRequests(db.GetEngine(db.DefaultContext))
}
// GetApprovalCounts returns a map of issue ID to slice of approval counts
// FIXME: only returns official counts due to double counting of non-official approvals
func (issues IssueList) GetApprovalCounts() (map[int64][]*ReviewCount, error) {
return issues.getApprovalCounts(db.GetEngine(db.DefaultContext))
}
func (issues IssueList) getApprovalCounts(e db.Engine) (map[int64][]*ReviewCount, error) {
rCounts := make([]*ReviewCount, 0, 2*len(issues))
ids := make([]int64, len(issues))
for i, issue := range issues {
ids[i] = issue.ID
}
sess := e.In("issue_id", ids)
err := sess.Select("issue_id, type, count(id) as `count`").
Where("official = ? AND dismissed = ?", true, false).
GroupBy("issue_id, type").
OrderBy("issue_id").
Table("review").
Find(&rCounts)
if err != nil {
return nil, err
}
approvalCountMap := make(map[int64][]*ReviewCount, len(issues))
for _, c := range rCounts {
approvalCountMap[c.IssueID] = append(approvalCountMap[c.IssueID], c)
}
return approvalCountMap, nil
}