Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/20438#discussion_r164944493
--- Diff:
sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/MutableColumnarRow.java
---
@@ -146,9 +146,7 @@ public UTF8String getUTF8String(int ordinal) {
@Override
public CalendarInterval getInterval(int ordinal) {
if (columns[ordinal].isNullAt(rowId)) return null;
--- End diff --
see https://github.com/apache/spark/pull/20438#discussion_r164719793 . In
this PR I just fixed the returning null issue for `getStruct` and
`getInterval`, because they are non-abstract. There should be a follow up to
clearly document that `ColumnVector.getBinary/getUTF8String/...` should return
null if this slot is null. Then we can remove these null checks here. I
appreciate it if you have time to take this :)
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