Indhumathi27 commented on a change in pull request #3179: [CARBONDATA-3338]
Support Incremental DataLoad for MV Datamap[with single parent table]
URL: https://github.com/apache/carbondata/pull/3179#discussion_r278642763
##########
File path:
core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusManager.java
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@@ -127,4 +150,115 @@ private static DataMapSchema getDataMapSchema(String
dataMapName)
return DataMapStoreManager.getInstance().getDataMapSchema(dataMapName);
}
+ /**
+ * Returns valid segment list for a given RelationIdentifier
+ *
+ * @param relationIdentifier
+ * @return
+ * @throws IOException
+ */
+ public static List<String> getSegmentList(RelationIdentifier
relationIdentifier)
+ throws IOException {
+ List<String> segmentList = new ArrayList<>();
+ AbsoluteTableIdentifier absoluteTableIdentifier =
+ AbsoluteTableIdentifier.from(relationIdentifier.getTablePath());
+ List<Segment> validSegments =
+ new
SegmentStatusManager(absoluteTableIdentifier).getValidAndInvalidSegments()
+ .getValidSegments();
+ for (Segment segment : validSegments) {
+ segmentList.add(segment.getSegmentNo());
+ }
+ return segmentList;
+ }
+
+ /**
+ * This method will delete segment folders of the mv datamap table and
update the
+ * datamapSegmentStatus map in case of Insert-Overwrite/Update operation on
main table
Review comment:
Okay..done
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