vsop-479 commented on code in PR #16245:
URL: https://github.com/apache/lucene/pull/16245#discussion_r3556198853
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lucene/core/src/java/org/apache/lucene/codecs/lucene103/blocktree/Lucene103BlockTreeTermsWriter.java:
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@@ -931,18 +938,35 @@ private PendingBlock writeBlock(
suffixWriter.setLength(0);
spareWriter.reset();
- // Write suffix lengths
- final int numSuffixBytes = Math.toIntExact(suffixLengthsWriter.size());
- spareBytes = ArrayUtil.growNoCopy(spareBytes, numSuffixBytes);
- suffixLengthsWriter.copyTo(new ByteArrayDataOutput(spareBytes));
- suffixLengthsWriter.reset();
- if (allEqual(spareBytes, 1, numSuffixBytes, spareBytes[0])) {
- // Structured fields like IDs often have most values of the same length
- termsOut.writeVInt((numSuffixBytes << 1) | 1);
- termsOut.writeByte(spareBytes[0]);
+ if (isLeafBlock) {
+ assert suffixLengths != null;
+ if (allEquals) {
+ // All suffix lengths are the same, so we can just write that one
length:
+ termsOut.writeVInt((suffixLengths[0] << 1) | 1);
+ } else {
+ long[] encodedSuffixLengths = new long[suffixLengths.length];
+ int numLongs =
+ Simple64.encodeAll(suffixLengths, 0, suffixLengths.length,
encodedSuffixLengths, 0);
+ termsOut.writeVInt(numLongs << 1);
+ for (int i = 0; i < numLongs; i++) {
+ termsOut.writeLong(encodedSuffixLengths[i]);
Review Comment:
Since `DataInput` already has `readLongs`, I added `DataOutput#writeLongs`.
PS. `DataOutput` also doesn't have `writeInts`/`writeShorts`.
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