Github user kiszk commented on a diff in the pull request:
https://github.com/apache/spark/pull/18425#discussion_r124590967
--- Diff:
sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OffHeapColumnVector.java
---
@@ -165,6 +165,12 @@ public byte getByte(int rowId) {
}
}
+ @Override
+ public void getBytes(byte[] dst, int rowId, int count) {
+ assert(dictionary == null);
--- End diff --
We could support a case with dictionary. In my opinion, we may perform
element-wise copy or add new API to `dictionary` for bulk decoding.
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