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LUCENE-6898: Don't fully read the last stored field value from disk if the StoredFieldVisitor doesn't want it. 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1715299 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
David Wayne Smiley 2015-11-19 22:33:47 +00:00
parent 766b017b1a
commit 44b232f6f8
2 changed files with 8 additions and 1 deletions
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4
lucene/CHANGES.txt
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@ -220,6 +220,10 @@ Optimizations
* LUCENE-6276: Added TwoPhaseIterator.matchCost() which allows to confirm the
least costly TwoPhaseIterators first. (Paul Elschot via Adrien Grand)
* LUCENE-6898: In the default codec, the last stored field value will not
be fully read from disk if the supplied StoredFieldVisitor doesn't want it.
So put your largest text field value last to benefit. (David Smiley)
Bug Fixes
* LUCENE-6817: ComplexPhraseQueryParser.ComplexPhraseQuery does not display

5
lucene/core/src/java/org/apache/lucene/codecs/compressing/CompressingStoredFieldsReader.java
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@ -304,7 +304,7 @@ public final class CompressingStoredFieldsReader extends StoredFieldsReader {
}
/**
* Reads a long in a variable-length format. Reads between one and
* Reads a long in a variable-length format. Reads between one andCorePropLo
* nine bytes. Small values typically take fewer bytes.
*/
static long readTLong(DataInput in) throws IOException {
@ -595,6 +595,9 @@ public final class CompressingStoredFieldsReader extends StoredFieldsReader {
readField(doc.in, visitor, fieldInfo, bits);
break;
case NO:
if (fieldIDX == doc.numStoredFields - 1) {// don't skipField on last field value; treat like STOP
return;
}
skipField(doc.in, bits);
break;
case STOP: