liyafan82 commented on a change in pull request #7837:
URL: https://github.com/apache/arrow/pull/7837#discussion_r464392286
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File path:
java/algorithm/src/main/java/org/apache/arrow/algorithm/sort/FixedWidthOutOfPlaceVectorSorter.java
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@@ -44,6 +45,13 @@ public void sortOutOfPlace(V srcVector, V dstVector,
VectorValueComparator<V> co
ArrowBuf dstValidityBuffer = dstVector.getValidityBuffer();
ArrowBuf dstValueBuffer = dstVector.getDataBuffer();
+ // check buffer size
+ Preconditions.checkArgument(dstValidityBuffer.capacity() * 8 >=
srcVector.getValueCount(),
+ "No enough capacity for the validity buffer of the dst vector");
Review comment:
Good point. Thank you.
I have revised the code accordingly.
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