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LUCENE-8980: Blocktree seekExact now checks min-max range of the segment 

(cherry picked from commit 99f4cec459)
This commit is contained in:
johngqjiang 2019-09-26 15:57:22 -04:00 committed by David Smiley
parent d23303649a
commit 4df2702cdb
2 changed files with 7 additions and 0 deletions
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3
lucene/CHANGES.txt
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@ -103,6 +103,9 @@ the total hits is not requested.
* LUCENE-8939: Introduce shared count based early termination across multiple slices * LUCENE-8939: Introduce shared count based early termination across multiple slices
(Atri Sharma) (Atri Sharma)
* LUCENE-8980: Blocktree's seekExact now short-circuits false if the term isn't in the min-max range of the segment.
Large perf gain for ID/time like data when populated sequentially. (Guoqiang Jiang)
Bug Fixes Bug Fixes
* LUCENE-8755: spatial-extras quad and packed quad prefix trees could throw a * LUCENE-8755: spatial-extras quad and packed quad prefix trees could throw a

4
lucene/core/src/java/org/apache/lucene/codecs/blocktree/SegmentTermsEnum.java
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@ -321,6 +321,10 @@ final class SegmentTermsEnum extends BaseTermsEnum {
throw new IllegalStateException("terms index was not loaded"); throw new IllegalStateException("terms index was not loaded");
} }
if (fr.size() > 0 && (target.compareTo(fr.getMin()) < 0 || target.compareTo(fr.getMax()) > 0)) {
return false;
}
term.grow(1 + target.length); term.grow(1 + target.length);
assert clearEOF(); assert clearEOF();