Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/7902#discussion_r36128211
--- Diff:
unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java ---
@@ -161,18 +162,25 @@ public long getPrefix() {
// If size is greater than 4, assume we have at least 8 bytes of data
to fetch.
// After getting the data, we use a mask to mask out data that is not
part of the string.
long p;
+ long mask = 0;
if (numBytes >= 8) {
p = PlatformDependent.UNSAFE.getLong(base, offset);
--- End diff --
don't we need something for this branch also?
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