Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/7840#discussion_r36037033
--- Diff:
sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java
---
@@ -363,15 +363,19 @@ public Decimal getDecimal(int ordinal, int precision,
int scale) {
@Override
public UTF8String getUTF8String(int ordinal) {
assertIndexIsValid(ordinal);
- return isNullAt(ordinal) ? null :
UTF8String.fromBytes(getBinary(ordinal));
--- End diff --
Yes, It's more risky now, but we already do this for StructType, may do
this for ArrayType and MapType.
We need to pay more attentions to it, and fix them case by case.
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