Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/8971#discussion_r41200027
--- Diff:
sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeArrayData.java
---
@@ -285,7 +284,12 @@ public UnsafeMapData getMap(int ordinal) {
@Override
public int hashCode() {
- return Murmur3_x86_32.hashUnsafeWords(baseObject, baseOffset,
sizeInBytes, 42);
--- End diff --
The sizeInBytes is not aligned to words.
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