Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/19601#discussion_r147578474
--- Diff:
sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/ColumnVector.java
---
@@ -367,9 +551,13 @@ public Object get(int ordinal, DataType dataType) {
/**
* Returns the array at rowid.
*/
- public final ColumnVector.Array getArray(int rowId) {
- resultArray.length = getArrayLength(rowId);
- resultArray.offset = getArrayOffset(rowId);
+ public final ArrayData getArray(int rowId) {
--- End diff --
We should not change the return type. `ColumnVector` will be public
eventually, and `ArrayData` is not a public type.
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