Github user QiangCai commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/219#discussion_r82720457
--- Diff:
processing/src/main/java/org/apache/carbondata/processing/surrogatekeysgenerator/csvbased/CarbonCSVBasedSeqGenStep.java
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@@ -1171,6 +1171,14 @@ else if(isComplexTypeColumn[j]) {
DirectDictionaryGenerator directDictionaryGenerator1 =
DirectDictionaryKeyGeneratorFactory
.getDirectDictionaryGenerator(details.getColumnType());
--- End diff --
If the column type is TimeStamp, please provide dateformat to KeyGenerator.
Better to provide different key generator for each date format.
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