Github user amansinha100 commented on a diff in the pull request:
https://github.com/apache/drill/pull/926#discussion_r137619550
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/RecordReader.java ---
@@ -26,6 +26,9 @@
import org.apache.drill.exec.record.MaterializedField;
import org.apache.drill.exec.vector.ValueVector;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+
+@JsonTypeInfo(use=JsonTypeInfo.Id.NAME,
include=JsonTypeInfo.As.WRAPPER_OBJECT, property="type")
--- End diff --
I am not a Jackson expert; since this annotation is in the core
RecordReader interface, what impact does it have on all the implementers of
this interface ?
---
