Github user QiangCai commented on a diff in the pull request: https://github.com/apache/incubator-carbondata/pull/219#discussion_r82719262 --- 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; + String formatString; + if (memberStr.contains(CarbonCommonConstants.COLON_SPC_CHARACTER)){ --- End diff -- What is the reason the data contain COLON_SPC_CHARACTER?
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