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Posted to issues@kylin.apache.org by "liyang (JIRA)" <ji...@apache.org> on 2015/09/08 08:59:46 UTC
[jira] [Created] (KYLIN-1016) Count distinct on any dimension
should work even not a predefined measure
liyang created KYLIN-1016:
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Summary: Count distinct on any dimension should work even not a predefined measure
Key: KYLIN-1016
URL: https://issues.apache.org/jira/browse/KYLIN-1016
Project: Kylin
Issue Type: Bug
Reporter: liyang
Currently count distinct on a dimension does not work:
{"sql":"select DATE'2015-07-18' , count(distinct country) as uniquecountry from pc_session e INNER JOIN pc_cal c ON e.part_date = c.cal_dt WHERE (part_date BETWEEN DATE'2015-07-18' AND DATE'2015-08-19') ","offset":0,"limit":10,"acceptPartial":true,"project":"tracking"}
"exception": "Can't find any realization. Please confirm with providers. SQL digest: fact table DEFAULT.PC_SESSION,group by [],filter on [DEFAULT.PC_SESSION.PART_DATE],with aggregates[FunctionDesc [expression=COUNT_DISTINCT, parameter=ParameterDesc [type=column, value=COUNTRY], returnType=null]].
while executing SQL: "select DATE'2015-07-18' , count(distinct country) as uniquecountry from pc_session e INNER JOIN pc_cal c ON e.part_date = c.cal_dt WHERE (part_date BETWEEN DATE'2015-07-18' AND DATE'2015-08-19') LIMIT 10""
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