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https://issues.apache.org/jira/browse/LUCENE-1483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12657805#action_12657805
]
Mark Miller commented on LUCENE-1483:
-------------------------------------
A slightly improved setNextReader for the ords case:
{code}
public void setNextReader(IndexReader reader) throws IOException {
// Map ords in queue to ords in reader
StringIndex currentReaderValues = ExtendedFieldCache.EXT_DEFAULT
.getStringIndex(reader, field);
lookup = currentReaderValues.lookup;
order = currentReaderValues.order;
if (lookup.length == 0) {
return;
}
// for (int i = 0; i < lookup.length; i++) {
// System.out.println("i:" + i + " " + lookup[i]);
// }
Map map = new HashMap();
for (int i = 0; i < slot + 1; i++) {
String val = values[i];
if (val == null) {
continue;
}
int index = binarySearch(lookup, val);
if (index < 0) {
int ord = -index - 2;
Integer intOrd = Integer.valueOf(ord);
List slotVals = (List) map.get(intOrd);
if (slotVals == null) {
slotVals = new ArrayList();
slotVals.add(new SlotValPair(i, val));
map.put(intOrd, slotVals);
} else {
slotVals.add(new SlotValPair(i, val));
}
ords[i] = ord;
} else {
ords[i] = index;
subords[i] = 0;
}
}
Iterator dit = map.values().iterator();
while (dit.hasNext()) {
List list = (List) dit.next();
if (list.size() > 1) {
Collections.sort(list);
for (int i = 0; i < list.size(); i++) {
SlotValPair svp = (SlotValPair) list.get(i);
subords[svp.i] = i+1;
}
} else {
SlotValPair svp = (SlotValPair) list.get(0);
subords[svp.i] = 1;
}
}
}
{code}
> Change IndexSearcher to use MultiSearcher semantics for multiple subreaders
> ---------------------------------------------------------------------------
>
> Key: LUCENE-1483
> URL: https://issues.apache.org/jira/browse/LUCENE-1483
> Project: Lucene - Java
> Issue Type: Improvement
> Affects Versions: 2.9
> Reporter: Mark Miller
> Priority: Minor
> Attachments: LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch,
> LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch,
> LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch,
> LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch
>
>
> FieldCache and Filters are forced down to a single segment reader, allowing
> for individual segment reloading on reopen.
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