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smaller cleanup batches

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Athou
2015-02-18 12:03:28 +01:00
parent 7bb65a5e76
commit 3386a71c5e
2 changed files with 15 additions and 4 deletions
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10
src/main/java/com/commafeed/backend/service/DatabaseCleaningService.java
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@@ -17,6 +17,7 @@ import com.commafeed.backend.dao.FeedEntryDAO;
import com.commafeed.backend.dao.FeedEntryDAO.FeedCapacity;
import com.commafeed.backend.dao.FeedEntryStatusDAO;
import com.commafeed.backend.dao.UnitOfWork;
import com.commafeed.backend.model.Feed;
/**
* Contains utility methods for cleaning the database
@@ -40,7 +41,14 @@ public class DatabaseCleaningService {
long total = 0;
int deleted = 0;
do {
deleted = UnitOfWork.run(sessionFactory, () -> feedDAO.delete(feedDAO.findWithoutSubscriptions(1)));
List<Feed> feeds = UnitOfWork.run(sessionFactory, () -> feedDAO.findWithoutSubscriptions(1));
for (Feed feed : feeds) {
int entriesDeleted = 0;
do {
entriesDeleted = UnitOfWork.run(sessionFactory, () -> feedEntryDAO.delete(feed.getId(), BATCH_SIZE));
} while (entriesDeleted == BATCH_SIZE);
}
deleted = UnitOfWork.run(sessionFactory, () -> feedDAO.delete(feeds));
total += deleted;
log.info("removed {} feeds without subscriptions", total);
} while (deleted != 0);