[GitHub] [carbondata] manishnalla1994 commented on a change in pull request #3426: [CARBONDATA-3560] Fixed issues for Add Segment

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manishnalla1994 commented on a change in pull request #3426: [CARBONDATA-3560] Fixed issues for Add Segment
URL: https://github.com/apache/carbondata/pull/3426#discussion_r342406601
 
 

 ##########
 File path: integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/management/CarbonAddLoadCommand.scala
 ##########
 @@ -92,6 +92,24 @@ case class CarbonAddLoadCommand(
     val segmentPath = options.getOrElse(
       "path", throw new UnsupportedOperationException("PATH is manadatory"))
 
+    val allSegments = SegmentStatusManager.readLoadMetadata(carbonTable.getMetadataPath)
+
+    // If a path is already added then we should block the adding of the same path again.
+    if (allSegments.exists(a =>
+      a.getPath != null && a.getPath.equalsIgnoreCase(segmentPath)
+    )) {
+      throw new AnalysisException(s"Cannot add the segment. This path is already in use by " +
+                                  s"another segment.")
+    }
+
+    val format = options.getOrElse("format", "carbondata")
+    val isCarbonFormat = format.equalsIgnoreCase("carbondata") || format.equalsIgnoreCase("carbon")
+
+    // If in the given location no carbon files are found then we can throw an exception
 
 Review comment:
   Done.

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