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[chore/performance] Avoid unnecessary "uncached" queries (#3265)

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* [chore/performance] Avoid unnecessary "uncached" queries

* go fmt
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tobi 2024-09-02 14:00:17 +02:00 • committed by GitHub
commit 25a815a8a4
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17 changed files with 149 additions and 21 deletions
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9
internal/db/bundb/statusfave.go
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@ -133,8 +133,15 @@ func (s *statusFaveDB) GetStatusFaves(ctx context.Context, statusID string) ([]*
faves, err := s.state.Caches.DB.StatusFave.LoadIDs("ID",
faveIDs,
func(uncached []string) ([]*gtsmodel.StatusFave, error) {
// Avoid querying
// if none uncached.
count := len(uncached)
if count == 0 {
return nil, nil
}
// Preallocate expected length of uncached faves.
faves := make([]*gtsmodel.StatusFave, 0, len(uncached))
faves := make([]*gtsmodel.StatusFave, 0, count)
// Perform database query scanning
// the remaining (uncached) fave IDs.