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Use a transaction to refresh and create entries

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Also includes few database improvements:

- Speed up entries clean up with an index and a goroutine
- Avoid the accumulation of enclosures for some feeds
This commit is contained in:
Frédéric Guillot 2020-09-20 23:01:01 -07:00
parent bfb96d536e
commit e6c6ee441a
7 changed files with 64 additions and 41 deletions
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15
storage/feed.go
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@ -435,12 +435,21 @@ func (s *Storage) CreateFeed(feed *model.Feed) error {
feed.Entries[i].FeedID = feed.ID
feed.Entries[i].UserID = feed.UserID
if !s.entryExists(feed.Entries[i]) {
err := s.createEntry(feed.Entries[i])
if err != nil {
tx, err := s.db.Begin()
if err != nil {
return fmt.Errorf(`store: unable to start transaction: %v`, err)
}
if !s.entryExists(tx, feed.Entries[i]) {
if err := s.createEntry(tx, feed.Entries[i]); err != nil {
tx.Rollback()
return err
}
}
if err := tx.Commit(); err != nil {
return fmt.Errorf(`store: unable to commit transaction: %v`, err)
}
}
return nil