fix bugs when too many IN variables (#4594)
Lunny Xiao
GitHub
parent
c40f5d2d4c
commit
9c354a539a
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@ -9,6 +9,11 @@ import "fmt"
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// IssueList defines a list of issues
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type IssueList []*Issue
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const (
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// default variables number on IN () in SQL
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defaultMaxInSize = 50
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)
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func (issues IssueList) getRepoIDs() []int64 {
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repoIDs := make(map[int64]struct{}, len(issues))
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for _, issue := range issues {
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@ -26,11 +31,20 @@ func (issues IssueList) loadRepositories(e Engine) ([]*Repository, error) {
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repoIDs := issues.getRepoIDs()
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repoMaps := make(map[int64]*Repository, len(repoIDs))
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err := e.
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In("id", repoIDs).
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Find(&repoMaps)
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if err != nil {
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return nil, fmt.Errorf("find repository: %v", err)
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var left = len(repoIDs)
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for left > 0 {
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var limit = defaultMaxInSize
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if left < limit {
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limit = left
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}
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err := e.
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In("id", repoIDs[:limit]).
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Find(&repoMaps)
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if err != nil {
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return nil, fmt.Errorf("find repository: %v", err)
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}
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left = left - limit
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repoIDs = repoIDs[limit:]
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}
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for _, issue := range issues {
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@ -61,11 +75,20 @@ func (issues IssueList) loadPosters(e Engine) error {
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posterIDs := issues.getPosterIDs()
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posterMaps := make(map[int64]*User, len(posterIDs))
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err := e.
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In("id", posterIDs).
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Find(&posterMaps)
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if err != nil {
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return err
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var left = len(posterIDs)
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for left > 0 {
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var limit = defaultMaxInSize
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if left < limit {
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limit = left
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}
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err := e.
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In("id", posterIDs[:limit]).
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Find(&posterMaps)
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if err != nil {
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return err
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}
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left = left - limit
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posterIDs = posterIDs[limit:]
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}
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for _, issue := range issues {
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@ -99,23 +122,34 @@ func (issues IssueList) loadLabels(e Engine) error {
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}
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var issueLabels = make(map[int64][]*Label, len(issues)*3)
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rows, err := e.Table("label").
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Join("LEFT", "issue_label", "issue_label.label_id = label.id").
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In("issue_label.issue_id", issues.getIssueIDs()).
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Asc("label.name").
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Rows(new(LabelIssue))
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if err != nil {
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return err
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}
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defer rows.Close()
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for rows.Next() {
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var labelIssue LabelIssue
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err = rows.Scan(&labelIssue)
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var issueIDs = issues.getIssueIDs()
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var left = len(issueIDs)
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for left > 0 {
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var limit = defaultMaxInSize
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if left < limit {
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limit = left
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}
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rows, err := e.Table("label").
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Join("LEFT", "issue_label", "issue_label.label_id = label.id").
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In("issue_label.issue_id", issueIDs[:limit]).
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Asc("label.name").
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Rows(new(LabelIssue))
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if err != nil {
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return err
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}
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issueLabels[labelIssue.IssueLabel.IssueID] = append(issueLabels[labelIssue.IssueLabel.IssueID], labelIssue.Label)
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for rows.Next() {
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var labelIssue LabelIssue
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err = rows.Scan(&labelIssue)
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if err != nil {
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rows.Close()
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return err
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}
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issueLabels[labelIssue.IssueLabel.IssueID] = append(issueLabels[labelIssue.IssueLabel.IssueID], labelIssue.Label)
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}
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rows.Close()
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left = left - limit
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issueIDs = issueIDs[limit:]
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}
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for _, issue := range issues {
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@ -141,11 +175,20 @@ func (issues IssueList) loadMilestones(e Engine) error {
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}
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milestoneMaps := make(map[int64]*Milestone, len(milestoneIDs))
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err := e.
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In("id", milestoneIDs).
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Find(&milestoneMaps)
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if err != nil {
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return err
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var left = len(milestoneIDs)
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for left > 0 {
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var limit = defaultMaxInSize
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if left < limit {
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limit = left
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}
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err := e.
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In("id", milestoneIDs[:limit]).
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Find(&milestoneMaps)
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if err != nil {
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return err
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}
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left = left - limit
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milestoneIDs = milestoneIDs[limit:]
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}
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for _, issue := range issues {
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@ -165,23 +208,35 @@ func (issues IssueList) loadAssignees(e Engine) error {
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}
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var assignees = make(map[int64][]*User, len(issues))
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rows, err := e.Table("issue_assignees").
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Join("INNER", "`user`", "`user`.id = `issue_assignees`.assignee_id").
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In("`issue_assignees`.issue_id", issues.getIssueIDs()).
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Rows(new(AssigneeIssue))
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if err != nil {
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return err
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}
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defer rows.Close()
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for rows.Next() {
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var assigneeIssue AssigneeIssue
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err = rows.Scan(&assigneeIssue)
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var issueIDs = issues.getIssueIDs()
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var left = len(issueIDs)
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for left > 0 {
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var limit = defaultMaxInSize
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if left < limit {
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limit = left
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}
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rows, err := e.Table("issue_assignees").
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Join("INNER", "`user`", "`user`.id = `issue_assignees`.assignee_id").
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In("`issue_assignees`.issue_id", issueIDs[:limit]).
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Rows(new(AssigneeIssue))
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if err != nil {
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return err
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}
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assignees[assigneeIssue.IssueAssignee.IssueID] = append(assignees[assigneeIssue.IssueAssignee.IssueID], assigneeIssue.Assignee)
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for rows.Next() {
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var assigneeIssue AssigneeIssue
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err = rows.Scan(&assigneeIssue)
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if err != nil {
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rows.Close()
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return err
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}
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assignees[assigneeIssue.IssueAssignee.IssueID] = append(assignees[assigneeIssue.IssueAssignee.IssueID], assigneeIssue.Assignee)
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}
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rows.Close()
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left = left - limit
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issueIDs = issueIDs[limit:]
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}
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for _, issue := range issues {
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@ -207,21 +262,32 @@ func (issues IssueList) loadPullRequests(e Engine) error {
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}
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pullRequestMaps := make(map[int64]*PullRequest, len(issuesIDs))
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rows, err := e.
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In("issue_id", issuesIDs).
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Rows(new(PullRequest))
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if err != nil {
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return err
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}
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defer rows.Close()
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for rows.Next() {
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var pr PullRequest
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err = rows.Scan(&pr)
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var left = len(issuesIDs)
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for left > 0 {
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var limit = defaultMaxInSize
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if left < limit {
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limit = left
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}
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rows, err := e.
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In("issue_id", issuesIDs[:limit]).
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Rows(new(PullRequest))
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if err != nil {
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return err
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}
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pullRequestMaps[pr.IssueID] = &pr
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for rows.Next() {
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var pr PullRequest
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err = rows.Scan(&pr)
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if err != nil {
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rows.Close()
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return err
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}
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pullRequestMaps[pr.IssueID] = &pr
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}
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rows.Close()
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left = left - limit
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issuesIDs = issuesIDs[limit:]
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}
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for _, issue := range issues {
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@ -236,22 +302,34 @@ func (issues IssueList) loadAttachments(e Engine) (err error) {
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}
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var attachments = make(map[int64][]*Attachment, len(issues))
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rows, err := e.Table("attachment").
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Join("INNER", "issue", "issue.id = attachment.issue_id").
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In("issue.id", issues.getIssueIDs()).
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Rows(new(Attachment))
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if err != nil {
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return err
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}
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defer rows.Close()
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for rows.Next() {
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var attachment Attachment
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err = rows.Scan(&attachment)
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var issuesIDs = issues.getIssueIDs()
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var left = len(issuesIDs)
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for left > 0 {
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var limit = defaultMaxInSize
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if left < limit {
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limit = left
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}
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rows, err := e.Table("attachment").
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Join("INNER", "issue", "issue.id = attachment.issue_id").
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In("issue.id", issuesIDs[:limit]).
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Rows(new(Attachment))
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if err != nil {
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return err
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}
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attachments[attachment.IssueID] = append(attachments[attachment.IssueID], &attachment)
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for rows.Next() {
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var attachment Attachment
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err = rows.Scan(&attachment)
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if err != nil {
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rows.Close()
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return err
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}
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attachments[attachment.IssueID] = append(attachments[attachment.IssueID], &attachment)
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}
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rows.Close()
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left = left - limit
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issuesIDs = issuesIDs[limit:]
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}
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for _, issue := range issues {
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@ -266,22 +344,33 @@ func (issues IssueList) loadComments(e Engine) (err error) {
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}
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var comments = make(map[int64][]*Comment, len(issues))
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rows, err := e.Table("comment").
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Join("INNER", "issue", "issue.id = comment.issue_id").
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In("issue.id", issues.getIssueIDs()).
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Rows(new(Comment))
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if err != nil {
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return err
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}
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defer rows.Close()
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for rows.Next() {
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var comment Comment
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err = rows.Scan(&comment)
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var issuesIDs = issues.getIssueIDs()
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var left = len(issuesIDs)
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for left > 0 {
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var limit = defaultMaxInSize
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if left < limit {
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limit = left
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}
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rows, err := e.Table("comment").
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Join("INNER", "issue", "issue.id = comment.issue_id").
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In("issue.id", issuesIDs[:limit]).
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Rows(new(Comment))
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if err != nil {
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return err
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}
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comments[comment.IssueID] = append(comments[comment.IssueID], &comment)
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for rows.Next() {
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var comment Comment
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err = rows.Scan(&comment)
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if err != nil {
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rows.Close()
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return err
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}
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comments[comment.IssueID] = append(comments[comment.IssueID], &comment)
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}
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rows.Close()
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left = left - limit
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issuesIDs = issuesIDs[limit:]
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}
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for _, issue := range issues {
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@ -307,25 +396,35 @@ func (issues IssueList) loadTotalTrackedTimes(e Engine) (err error) {
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}
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}
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// select issue_id, sum(time) from tracked_time where issue_id in (<issue ids in current page>) group by issue_id
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rows, err := e.Table("tracked_time").
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Select("issue_id, sum(time) as time").
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In("issue_id", ids).
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GroupBy("issue_id").
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Rows(new(totalTimesByIssue))
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if err != nil {
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return err
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}
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var left = len(ids)
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for left > 0 {
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var limit = defaultMaxInSize
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if left < limit {
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limit = left
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}
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defer rows.Close()
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for rows.Next() {
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var totalTime totalTimesByIssue
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err = rows.Scan(&totalTime)
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// select issue_id, sum(time) from tracked_time where issue_id in (<issue ids in current page>) group by issue_id
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rows, err := e.Table("tracked_time").
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Select("issue_id, sum(time) as time").
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In("issue_id", ids[:limit]).
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GroupBy("issue_id").
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Rows(new(totalTimesByIssue))
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if err != nil {
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return err
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}
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trackedTimes[totalTime.IssueID] = totalTime.Time
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for rows.Next() {
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var totalTime totalTimesByIssue
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err = rows.Scan(&totalTime)
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if err != nil {
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rows.Close()
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return err
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}
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trackedTimes[totalTime.IssueID] = totalTime.Time
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}
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rows.Close()
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left = left - limit
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ids = ids[limit:]
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}
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for _, issue := range issues {
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