Github user xubo245 commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2837#discussion_r228716777
--- Diff: store/CSDK/src/CarbonReader.h ---
@@ -40,6 +40,19 @@ class CarbonReader {
*/
jobject carbonReaderObject;
+ /**
+ * check whether has called builder
+ *
+ * @return true or throw exception
+ */
+ bool checkBuilder();
+
+ /**
+ * check reader and whether has called build
--- End diff --
ok, done---
