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https://issues.apache.org/jira/browse/SAMZA-94?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Riccomini resolved SAMZA-94.
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Resolution: Fixed
Got +1 from Jay on RB.
All tests pass. Merged and committed.
> State management kv-store delete() does not remove key
> ------------------------------------------------------
>
> Key: SAMZA-94
> URL: https://issues.apache.org/jira/browse/SAMZA-94
> Project: Samza
> Issue Type: Bug
> Components: kv
> Affects Versions: 0.6.0
> Reporter: Alan Li
> Assignee: Chris Riccomini
> Fix For: 0.7.0
>
> Attachments: SAMZA-94.0.patch, SAMZA-94.1.patch
>
>
> Sample code snippet:
> {noformat}
> _realtimeStateStore.put("foo", new HashMap());
>
> KeyValueIterator<String, Map<String, State>> realtimeIterator =
> _realtimeStateStore.all();
> while (realtimeIterator.hasNext())
> {
> Entry<String, Map<String, State>> entry = realtimeIterator.next();
> System.out.println("read from leveldb: " + entry.getKey() + "=>" +
> entry.getValue());
> }
> realtimeIterator.close();
>
> _realtimeStateStore.delete("foo");
>
> KeyValueIterator<String, Map<String, State>> iter =
> _realtimeStateStore.all();
> while (iter.hasNext())
> {
> Entry<String, Map<String, State>> entry = iter.next();
> System.out.println("read from leveldb: " + entry.getKey() + "=>" +
> entry.getValue());
> }
> iter.close();
> {noformat}
> Output:
> read from leveldb: foo=>{}
> read from leveldb: foo=>null
> I would expect that the kv would remove both the key & value on delete so
> that subsequent iterators will not return keys that have been deleted.
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