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delete operation does not support limit. limit on select and delete afterwards

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Athou
2013-09-18 09:24:31 +02:00
parent 305b68546c
commit 407481faa6
2 changed files with 21 additions and 10 deletions
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15
src/main/java/com/commafeed/backend/services/DatabaseCleaningService.java
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@@ -1,6 +1,7 @@
package com.commafeed.backend.services;
import java.util.Calendar;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.concurrent.TimeUnit;
@@ -15,6 +16,7 @@ import com.commafeed.backend.dao.FeedEntryDAO;
import com.commafeed.backend.dao.FeedEntryStatusDAO;
import com.commafeed.backend.dao.FeedSubscriptionDAO;
import com.commafeed.backend.model.Feed;
import com.commafeed.backend.model.FeedEntryStatus;
import com.commafeed.backend.model.FeedSubscription;
/**
@@ -101,12 +103,15 @@ public class DatabaseCleaningService {
public long cleanStatusesOlderThan(Date olderThan) {
log.info("cleaning old read statuses");
long total = 0;
int deleted = -1;
List<FeedEntryStatus> list = Collections.emptyList();
do {
deleted = feedEntryStatusDAO.deleteOldStatuses(olderThan, 100);
total += deleted;
log.info("cleaned {} old read statuses", total);
} while (deleted != 0);
list = feedEntryStatusDAO.getOldStatuses(olderThan, 100);
if (!list.isEmpty()) {
feedEntryStatusDAO.delete(list);
total += list.size();
log.info("cleaned {} old read statuses", total);
}
} while (!list.isEmpty());
log.info("cleanup done: {} old read statuses deleted", total);
return total;
}