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Improve get feed with pagination (#31821)
Fix #31752 @somera --------- Co-authored-by: delvh <dev.lh@web.de>
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commit
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@ -450,17 +450,46 @@ func GetFeeds(ctx context.Context, opts GetFeedsOptions) (ActionList, int64, err
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return nil, 0, err
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return nil, 0, err
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}
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}
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sess := db.GetEngine(ctx).Where(cond).
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Select("`action`.*"). // this line will avoid select other joined table's columns
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Join("INNER", "repository", "`repository`.id = `action`.repo_id")
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opts.SetDefaultValues()
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sess = db.SetSessionPagination(sess, &opts)
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actions := make([]*Action, 0, opts.PageSize)
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actions := make([]*Action, 0, opts.PageSize)
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count, err := sess.Desc("`action`.created_unix").FindAndCount(&actions)
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var count int64
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if err != nil {
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return nil, 0, fmt.Errorf("FindAndCount: %w", err)
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if opts.Page < 10 { // TODO: why it's 10 but other values? It's an experience value.
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sess := db.GetEngine(ctx).Where(cond).
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Select("`action`.*"). // this line will avoid select other joined table's columns
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Join("INNER", "repository", "`repository`.id = `action`.repo_id")
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opts.SetDefaultValues()
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sess = db.SetSessionPagination(sess, &opts)
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count, err = sess.Desc("`action`.created_unix").FindAndCount(&actions)
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if err != nil {
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return nil, 0, fmt.Errorf("FindAndCount: %w", err)
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}
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} else {
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// First, only query which IDs are necessary, and only then query all actions to speed up the overall query
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sess := db.GetEngine(ctx).Where(cond).
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Select("`action`.id").
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Join("INNER", "repository", "`repository`.id = `action`.repo_id")
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opts.SetDefaultValues()
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sess = db.SetSessionPagination(sess, &opts)
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actionIDs := make([]int64, 0, opts.PageSize)
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if err := sess.Table("action").Desc("`action`.created_unix").Find(&actionIDs); err != nil {
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return nil, 0, fmt.Errorf("Find(actionsIDs): %w", err)
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}
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count, err = db.GetEngine(ctx).Where(cond).
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Table("action").
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Cols("`action`.id").
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Join("INNER", "repository", "`repository`.id = `action`.repo_id").Count()
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if err != nil {
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return nil, 0, fmt.Errorf("Count: %w", err)
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}
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if err := db.GetEngine(ctx).In("`action`.id", actionIDs).Desc("`action`.created_unix").Find(&actions); err != nil {
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return nil, 0, fmt.Errorf("Find: %w", err)
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}
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}
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}
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if err := ActionList(actions).LoadAttributes(ctx); err != nil {
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if err := ActionList(actions).LoadAttributes(ctx); err != nil {
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