xubo245 commented on a change in pull request #3770:
URL: https://github.com/apache/carbondata/pull/3770#discussion_r432580839



##########
File path: docs/sdk-guide.md
##########
@@ -766,6 +771,39 @@ public VectorSchemaRoot getArrowVectors() throws 
IOException;
 public static ArrowRecordBatch byteArrayToArrowBatch(byte[] batchBytes, 
BufferAllocator bufferAllocator) throws IOException;
 ```
 
+### Class org.apache.carbondata.sdk.file.PaginationCarbonReader
+```
+/**
+* Pagination query with from and to range.
+*
+* @param from must be greater than 0 and <= to
+* @param to must be >= from and not outside the total rows
+* @return array of rows between from and to (inclusive)
+* @throws Exception
+*/
+public Object[] read(long from, long to) throws IOException, 
InterruptedException;
+```
+
+```
+/**
+* Get total rows in the folder.

Review comment:
       Suggestion: Get total rows in the folder or a list of CarbonData files
   




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