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https://issues.apache.org/jira/browse/LUCENE-2941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir updated LUCENE-2941:
--------------------------------
Attachment: LUCENE-2941_test.patch
attached is a testcase (fails on both trunk and 3.x):
this works:
{noformat}
public void testSort() throws Exception {
SortField sf = new SortField("field", locale);
TopFieldDocs docs = searcher.search(new MatchAllDocsQuery(), null, numDocs,
new Sort(sf));
...
{noformat}
this doesn't, if IS uses executorservice:
{noformat}
public void testSort2() throws Exception {
SortField sf = new SortField("field", new FieldComparatorSource() {
@Override
public FieldComparator newComparator(String fieldname, int numHits, int
sortPos, boolean reversed) throws IOException {
return new FieldComparator.StringComparatorLocale(numHits, fieldname,
locale);
}
});
TopFieldDocs docs = searcher.search(new MatchAllDocsQuery(), null, numDocs,
new Sort(sf));
{noformat}
The problem is inside the FieldDocSortedHitQueue... the only reason Locale sort
works today is because it cheats and looks inside the SortField to see if it
has a locale, and does things with its collator.
But if you code the same approach as a custom sort, it won't work.
> custom sort broken if IS uses executorservice
> ---------------------------------------------
>
> Key: LUCENE-2941
> URL: https://issues.apache.org/jira/browse/LUCENE-2941
> Project: Lucene - Java
> Issue Type: Bug
> Reporter: Robert Muir
> Fix For: 3.1
>
> Attachments: LUCENE-2941_test.patch
>
>
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