mayya-sharipova commented on a change in pull request #601:
URL: https://github.com/apache/lucene/pull/601#discussion_r784037293
##########
File path:
lucene/core/src/java/org/apache/lucene/codecs/lucene90/Lucene90HnswVectorsWriter.java
##########
@@ -145,6 +139,64 @@ public void writeField(FieldInfo fieldInfo,
KnnVectorsReader knnVectorsReader)
throw new IllegalArgumentException(
"Indexing an HNSW graph requires a random access vector values, got
" + vectors);
}
+
+ long vectorDataLength = vectorData.getFilePointer() - vectorDataOffset;
+ long vectorIndexLength = vectorIndex.getFilePointer() - vectorIndexOffset;
+ writeMeta(
+ fieldInfo,
+ vectorDataOffset,
+ vectorDataLength,
+ vectorIndexOffset,
+ vectorIndexLength,
+ count,
+ docIds);
+ writeGraphOffsets(meta, offsets);
+ }
+
+ @Override
+ public void mergeField(FieldInfo fieldInfo, MergeState mergeState) throws
IOException {
+ if (mergeState.infoStream.isEnabled("VV")) {
+ mergeState.infoStream.message("VV", "merging " + mergeState.segmentInfo);
+ }
+
+ writeVectorDataPadding();
+ long vectorDataOffset = vectorData.getFilePointer();
+
+ // write the merged vector data to a temporary file
+ VectorValues vectors = MergedVectorValues.mergeVectorValues(fieldInfo,
mergeState);
+ IndexOutput tempVectorData =
+ segmentWriteState.directory.createTempOutput(
+ vectorData.getName(), "temp", segmentWriteState.context);
+ int[] docIds = writeVectorData(tempVectorData, vectors);
+ tempVectorData.close();
+
+ // copy the temporary file vectors to the actual data file
+ IndexInput vectorDataInput =
+ segmentWriteState.directory.openInput(tempVectorData.getName(),
segmentWriteState.context);
+ vectorData.copyBytes(vectorDataInput, vectorDataInput.length());
Review comment:
Do you mean add codec headers/footers to a temporary vectors file?
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