Neuw84 commented on code in PR #17296:
URL: https://github.com/apache/iceberg/pull/17296#discussion_r3665029773
##########
arrow/src/main/java/org/apache/iceberg/arrow/vectorized/VectorizedArrowReader.java:
##########
@@ -818,9 +819,37 @@ public void setBatchSize(int batchSize) {
posReader.setBatchSize(batchSize);
}
+ /**
+ * Returns the vector this batch is written into, which the reader owns
and closes.
+ *
+ * <p>{@code reuse} is used the same way the parent reader uses it: a null
holder means the
+ * caller does not want the previous vector reused, so it is released and
reallocated. A
+ * non-null holder allows keeping the current vector, which is reallocated
only when the batch
+ * no longer fits.
+ */
+ private BigIntVector resultVector(VectorHolder reuse, int numValsToRead) {
+ if (reuse == null || vec == null || vec.getValueCapacity() <
numValsToRead) {
+ if (vec != null) {
+ vec.close();
+ }
+
+ this.vec = allocateBigIntVector(ROW_ID_ARROW_FIELD, numValsToRead);
Review Comment:
Fixed on the latest push. However, note that we added a new field.
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