[GitHub] [carbondata] niuge01 commented on a change in pull request #3421: [CARBONDATA-3557] Support write Flink streaming data to Carbon

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niuge01 commented on a change in pull request #3421: [CARBONDATA-3557] Support write Flink streaming data to Carbon
URL: https://github.com/apache/carbondata/pull/3421#discussion_r339435060
 
 

 ##########
 File path: core/src/main/java/org/apache/carbondata/core/indexstore/row/DataMapRowImpl.java
 ##########
 @@ -38,6 +38,9 @@ public DataMapRowImpl(CarbonRowSchema[] schemas) {
   }
 
   @Override public int getLengthInBytes(int ordinal) {
+    if (data[ordinal] == null) {
+      return 0;
 
 Review comment:
   OK

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