amogh-jahagirdar commented on code in PR #12928:
URL: https://github.com/apache/iceberg/pull/12928#discussion_r2070346566
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arrow/src/main/java/org/apache/iceberg/arrow/vectorized/VectorizedArrowReader.java:
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@@ -567,6 +608,138 @@ public void close() {
}
}
+ private static final class RowIdVectorReader extends VectorizedArrowReader {
+ private static final Field ROW_ID_ARROW_FIELD =
ArrowSchemaUtil.convert(MetadataColumns.ROW_ID);
+
+ private final long firstRowId;
+ private final VectorizedReader<VectorHolder> idReader;
+ private final VectorizedReader<VectorHolder> posReader;
+ private NullabilityHolder nulls;
+
+ private RowIdVectorReader(long firstRowId, VectorizedArrowReader idReader)
{
+ this.firstRowId = firstRowId;
+ this.idReader = idReader != null ? idReader : nulls();
+ this.posReader = new PositionVectorReader(true);
+ }
+
+ @Override
+ public VectorHolder read(VectorHolder reuse, int numValsToRead) {
+ FieldVector positions = posReader.read(null, numValsToRead).vector();
+ VectorHolder ids = idReader.read(null, numValsToRead);
Review Comment:
On second look, we should be closing these after we we go through the batch.
Same with the last udpate seq case, I'll fix this
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