vsop-479 commented on code in PR #12528:
URL: https://github.com/apache/lucene/pull/12528#discussion_r1333808257
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lucene/core/src/java/org/apache/lucene/util/bkd/BKDWriter.java:
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@@ -1305,6 +1305,7 @@ private void writeLeafBlockPackedValues(
}
if (lowCardinalityCost <= highCardinalityCost) {
out.writeByte((byte) -2);
+ out.writeByte((byte) sortedDim);
Review Comment:
@iverase This change target both low cardinality and high cardinality.
Because high cardinality already wrote the sortedDim, which can be used in
match phase directly.
So, i only add the sortedDim for low cardinality in BKDWriter.
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