Github user amansinha100 commented on a diff in the pull request:
https://github.com/apache/drill/pull/371#discussion_r52557262
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/base/AbstractGroupScan.java
---
@@ -128,4 +128,12 @@ public int getOperatorType() {
public List<SchemaPath> getPartitionColumns() {
return Lists.newArrayList();
}
+
+ /**
+ * By default, return null to indicate rowcount based prune is not
supported. Each groupscan subclass should override, if it supports rowcount
based prune.
+ */
+ public GroupScan applyLimit(long maxRecords) {
--- End diff --
Add Override and JsonIgnore ?
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