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LUCENE-3890: Fixed NPE for grouped faceting on multi-valued fields 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1303002 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Martijn van Groningen 2012-03-20 17:05:05 +00:00
parent f2544bdd3d
commit 7c4c592e05
2 changed files with 19 additions and 6 deletions
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3
lucene/contrib/CHANGES.txt
View File

@ -105,6 +105,9 @@ Bug Fixes
* LUCENE-3045: fixed QueryNodeImpl.containsTag(String key) that was
not lowercasing the key before checking for the tag (Adriano Crestani)
* LUCENE-3890: Fixed NPE for grouped faceting on multi-valued fields.
(Michael McCandless, Martijn van Groningen)
Optimizations
* LUCENE-3468: Replaced last() and remove() with pollLast() in

22
modules/grouping/src/java/org/apache/lucene/search/grouping/term/TermGroupFacetCollector.java
View File

@ -187,12 +187,14 @@ public abstract class TermGroupFacetCollector extends AbstractGroupFacetCollecto
public void collect(int doc) throws IOException {
int groupOrd = groupFieldTermsIndex.getOrd(doc);
reuse = facetFieldDocTermOrds.lookup(doc, reuse);
if (facetOrdTermsEnum != null) {
reuse = facetFieldDocTermOrds.lookup(doc, reuse);
}
int chunk;
boolean first = true;
int[] buffer = new int[5];
do {
chunk = reuse.read(buffer);
chunk = reuse != null ? reuse.read(buffer) : 0;
if (first && chunk == 0) {
chunk = 1;
buffer[0] = facetFieldDocTermOrds.numTerms(); // this facet ord is reserved for docs not containing facet field.
@ -246,7 +248,7 @@ public abstract class TermGroupFacetCollector extends AbstractGroupFacetCollecto
int facetOrd;
if (groupedFacetHit.facetValue != null) {
if (!facetOrdTermsEnum.seekExact(groupedFacetHit.facetValue, true)) {
if (facetOrdTermsEnum == null || !facetOrdTermsEnum.seekExact(groupedFacetHit.facetValue, true)) {
continue;
}
facetOrd = (int) facetOrdTermsEnum.ord();
@ -260,7 +262,13 @@ public abstract class TermGroupFacetCollector extends AbstractGroupFacetCollecto
}
if (facetPrefix != null) {
TermsEnum.SeekStatus seekStatus = facetOrdTermsEnum.seekCeil(facetPrefix, true);
TermsEnum.SeekStatus seekStatus;
if (facetOrdTermsEnum != null) {
seekStatus = facetOrdTermsEnum.seekCeil(facetPrefix, true);
} else {
seekStatus = TermsEnum.SeekStatus.END;
}
if (seekStatus != TermsEnum.SeekStatus.END) {
startFacetOrd = (int) facetOrdTermsEnum.ord();
} else {
@ -296,8 +304,10 @@ public abstract class TermGroupFacetCollector extends AbstractGroupFacetCollecto
endFacetOrd == missingCountIndex + 1 ? missingCountIndex : endFacetOrd);
this.tenum = tenum;
this.mergePos = startFacetOrd;
tenum.seekExact(mergePos);
mergeTerm = tenum.term();
if (tenum != null) {
tenum.seekExact(mergePos);
mergeTerm = tenum.term();
}
}
protected void nextTerm() throws IOException {