sunchao commented on code in PR #37293:
URL: https://github.com/apache/spark/pull/37293#discussion_r938030249


##########
sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedDeltaBinaryPackedReader.java:
##########
@@ -300,7 +300,8 @@ private void unpackMiniBlock() throws IOException {
         bitWidths[currentMiniBlock]);
     for (int j = 0; j < miniBlockSizeInValues; j += 8) {
       ByteBuffer buffer = in.slice(packer.getBitWidth());
-      packer.unpack8Values(buffer, buffer.position(), unpackedValuesBuffer, j);
+      packer.unpack8Values(buffer.array(),

Review Comment:
   I think it's better to check `buffer.hasArray` before calling this, since 
`parquet-mr` may not necessarily return heap buffer all the time.



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]


---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to