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https://issues.apache.org/jira/browse/DRILL-5993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16296038#comment-16296038
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ASF GitHub Bot commented on DRILL-5993:
---------------------------------------
Github user Ben-Zvi commented on a diff in the pull request:
https://github.com/apache/drill/pull/1057#discussion_r157646636
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/svremover/CopierTemplate4.java
---
@@ -54,17 +52,33 @@ public int copyRecords(int index, int recordCount)
throws SchemaChangeException
}
}
- int outgoingPosition = 0;
- for(int svIndex = index; svIndex < index + recordCount; svIndex++,
outgoingPosition++){
+ return insertRecords(0, index, recordCount);
+ }
+
+ @Override
+ public int appendRecord(int index) throws SchemaChangeException {
+ return appendRecords(index, 1);
+ }
--- End diff --
Minor performance comment: If *appendRecord()* is to be used heavily, then
the overhead of calling the for() loop (in insertRecords() ) many times for
only a size of 1 may be significant.
> Allow Copier to Copy a Record and Append to the End of an Outgoing Batch
> ------------------------------------------------------------------------
>
> Key: DRILL-5993
> URL: https://issues.apache.org/jira/browse/DRILL-5993
> Project: Apache Drill
> Issue Type: New Feature
> Reporter: Timothy Farkas
> Assignee: Timothy Farkas
>
> Currently the copier can only copy record from an incoming batch to the
> beginning of an outgoing batch. We need to be able to copy a record and
> append it to the end of the outgoing batch.
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