vibhatha commented on code in PR #43077:
URL: https://github.com/apache/arrow/pull/43077#discussion_r1689546669
##########
java/vector/src/main/java/org/apache/arrow/vector/ipc/JsonFileWriter.java:
##########
@@ -277,6 +281,14 @@ private void writeFromVectorIntoJson(Field field,
FieldVector vector) throws IOE
vectorBufferTmp.setLong(0, 0);
writeValueToGenerator(bufferType, vectorBufferTmp, null, vector,
i);
}
+ } else if (bufferType.equals(SIZE)
+ && vector.getValueCount() == 0
+ && vector.getMinorType() == MinorType.LISTVIEW) {
+ // Empty vectors may not have allocated a sizes buffer
+ try (ArrowBuf vectorBufferTmp = vector.getAllocator().buffer(4)) {
+ vectorBufferTmp.setInt(0, 0);
+ writeValueToGenerator(bufferType, vectorBufferTmp, null, vector,
i);
+ }
Review Comment:
Need to test this.
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