chenjunjiedada commented on a change in pull request #1254:
URL: https://github.com/apache/iceberg/pull/1254#discussion_r463357958
##########
File path: parquet/src/main/java/org/apache/iceberg/parquet/ReadConf.java
##########
@@ -85,6 +87,10 @@
this.rowGroups = reader.getRowGroups();
this.shouldSkip = new boolean[rowGroups.size()];
+ // Fetch all row groups starting positions to compute the row offsets of
the filtered row groups
+ Map<Long, Long> offsetToStartPos = generateOffsetToStartPos();
Review comment:
I used to think to apply `Caffeine` cache this. Let me think about this
again and update this in follow up vectorization code path.
----------------------------------------------------------------
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.
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
