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faster cleanup query

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Athou
2013-06-18 10:34:11 +02:00
parent 9b53e2b0fb
commit c4bb8da746
4 changed files with 12 additions and 25 deletions
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22
src/main/java/com/commafeed/backend/dao/FeedEntryStatusDAO.java
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@@ -307,24 +307,10 @@ public class FeedEntryStatusDAO extends GenericDAO<FeedEntryStatus> {
query.setHint("javax.persistence.query.timeout", 20000);
}
public int delete(Date olderThan, int max) {
CriteriaQuery<FeedEntryStatus> query = builder.createQuery(getType());
Root<FeedEntryStatus> root = query.from(getType());
Join<FeedEntryStatus, FeedEntry> entryJoin = root
.join(FeedEntryStatus_.entry);
Predicate p1 = builder.lessThan(entryJoin.get(FeedEntry_.inserted),
olderThan);
Predicate p2 = builder.isFalse(root.get(FeedEntryStatus_.starred));
query.where(p1, p2);
TypedQuery<FeedEntryStatus> q = em.createQuery(query);
q.setMaxResults(max);
List<FeedEntryStatus> list = q.getResultList();
int deleted = list.size();
delete(list);
public int delete(Date olderThan) {
Query query = em.createNamedQuery("EntryStatus.deleteOlderThan");
query.setParameter("olderThan", olderThan);
int deleted = query.executeUpdate();
return deleted;
}