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feat(feeds): improve caching (#1191)

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* feat(feeds): improve caching

* fix(feeds): put cache if not empty

* fix(feeds): reassign loop var

* fix(feeds): enable busy_timeout again

* fix(feeds): enable busy_timeout again
This commit is contained in:
ze0s 2023-10-21 17:03:52 +02:00 • committed by GitHub
parent 8c7c147328
commit 9793764905
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 88 additions and 22 deletions
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21
internal/database/feed_cache.go
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@ -175,6 +175,27 @@ func (r *FeedCacheRepo) Put(feedId int, key string, val []byte, ttl time.Time) e
return nil
}
func (r *FeedCacheRepo) PutMany(ctx context.Context, items []domain.FeedCacheItem) error {
queryBuilder := r.db.squirrel.
Insert("feed_cache").
Columns("feed_id", "key", "value", "ttl")
for _, item := range items {
queryBuilder = queryBuilder.Values(item.FeedId, item.Key, item.Value, item.TTL)
}
query, args, err := queryBuilder.ToSql()
if err != nil {
return errors.Wrap(err, "error building query")
}
if _, err = r.db.handler.ExecContext(ctx, query, args...); err != nil {
return errors.Wrap(err, "error executing query")
}
return nil
}
func (r *FeedCacheRepo) Delete(ctx context.Context, feedId int, key string) error {
queryBuilder := r.db.squirrel.
Delete("feed_cache").

6
internal/database/sqlite.go
View file

@ -27,9 +27,9 @@ func (db *DB) openSQLite() error {
}
// Set busy timeout
//if _, err = db.handler.Exec(`PRAGMA busy_timeout = 5000;`); err != nil {
// return errors.New("busy timeout pragma: %w", err)
//}
if _, err = db.handler.Exec(`PRAGMA busy_timeout = 5000;`); err != nil {
return errors.Wrap(err, "busy timeout pragma")
}
// Enable WAL. SQLite performs better with the WAL because it allows
// multiple readers to operate while data is being written.