Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/21912#discussion_r213539696
--- Diff:
sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeArrayData.java
---
@@ -473,13 +473,13 @@ public static UnsafeArrayData fromPrimitiveArray(
return result;
}
- public static UnsafeArrayData forPrimitiveArray(int offset, int length,
int elementSize) {
- return fromPrimitiveArray(null, offset, length, elementSize);
+ public static UnsafeArrayData forPrimitiveArray(int length, int
elementSize) {
+ return fromPrimitiveArray(null, 0, length, elementSize);
--- End diff --
is it safe? I vaguely remember the address of offheap memory block is
usually not 0.
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