Github user gparai commented on a diff in the pull request:
https://github.com/apache/drill/pull/802#discussion_r108823495
--- Diff:
contrib/format-maprdb/src/main/java/org/apache/drill/exec/store/mapr/db/MapRDBPushFilterIntoScan.java
---
@@ -184,6 +184,8 @@ protected void doPushFilterIntoBinaryGroupScan(final
RelOptRuleCall call,
return; //no filter pushdown ==> No transformation.
}
+ // Set rowCount in newScanSpec so we do not go and fetch rowCount (an
expensive operation) again from MapR DB client.
+ newScanSpec.setRowCount(groupScan.getHBaseScanSpec().getRowCount());
--- End diff --
Change the constructor for BinaryTableGroupScan to also pass in TableStats
and add a getter for TableStats. This should be sufficient for passing around
the rows.
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