ViggoC commented on code in PR #44241:
URL: https://github.com/apache/arrow/pull/44241#discussion_r1794705496
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java/vector/src/main/java/org/apache/arrow/vector/ipc/JsonFileReader.java:
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@@ -910,7 +910,9 @@ private void readFromJsonIntoVector(Field field,
FieldVector vector) throws IOEx
}
int nullCount = 0;
- if (type instanceof ArrowType.Null) {
+ if (type instanceof ArrowType.RunEndEncoded) {
Review Comment:
I got you, you mean like
``` Java
int nullCount;
if (type instanceof ArrowType.RunEndEncoded || type instanceof Union) {
nullCount = 0;
} else if (type instanceof ArrowType.Null) {
nullCount = valueCount;
} else {
nullCount = BitVectorHelper.getNullCount(vectorBuffers.get(0), valueCount);
}
```
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