Github user lion-x commented on a diff in the pull request: https://github.com/apache/incubator-carbondata/pull/219#discussion_r84612211 --- Diff: core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampDirectDictionaryGenerator.java --- @@ -117,15 +117,24 @@ private TimeStampDirectDictionaryGenerator() { * @return dictionary value */ @Override public int generateDirectSurrogateKey(String memberStr) { - SimpleDateFormat timeParser = new SimpleDateFormat(CarbonProperties.getInstance() - .getProperty(CarbonCommonConstants.CARBON_TIMESTAMP_FORMAT, - CarbonCommonConstants.CARBON_TIMESTAMP_DEFAULT_FORMAT)); + String timeString; --- End diff -- for 3, provide different date format key generate for different date format is complex, because the date format style is defined by user freely.
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