The date format on "Data model" page is mainly for generating the HQL for pulling data from hive. For a stream cube, the "MINUTE_START", "HOUR_START" (and other derived date columns) are transformed by Kylin to standard "timestamp" type; Then the date format on "Data model" page is useless in this case.
2016-11-21 11:07 GMT+08:00 仇同心 <[email protected]>: > Hi ,all > > In this article at http://kylin.apache.org/docs16/tutorial/cube_ > streaming.html, I have learned that Streaming Cube must be partitioned; > If you’re going to build the Cube incrementally at minutes level, select > “MINUTE_START” as the cube’s partition date column. If at hours level, > select “HOUR_START”. > > In the Setting page of Model of the Designer, I have a little confused: > “Date Format” and “Has a separate "time of the day" column” , these two > options is useless? > > Because when the model has been edited, “*Partition Date Column*” can > only be edited. > > > > > > Thanks! > -- Best regards, Shaofeng Shi 史少锋
