pravindra commented on a change in pull request #7070:
URL: https://github.com/apache/arrow/pull/7070#discussion_r418421121
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File path: java/vector/src/main/codegen/templates/UnionListWriter.java
##########
@@ -178,6 +178,10 @@ public void write(DecimalHolder holder) {
writer.setPosition(writer.idx()+1);
}
+ public void writeNull() {
Review comment:
I think the same change is required in UnionFixedSizeListWriter as well.
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File path:
java/vector/src/test/java/org/apache/arrow/vector/complex/writer/TestComplexWriter.java
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@@ -266,6 +266,41 @@ public void listScalarType() {
}
}
+ @Test
+ public void testListScalarNull() {
Review comment:
can you please add a small description for the test ? eg.
"Write to a integer list vector, each list of size 8 and having it's data
values alternating between null and a non-null. Read and verify".
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