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Posted to issues@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2015/01/04 22:28:56 UTC
[jira] [Updated] (DRILL-658) Add support for multiple distinct
counts without a grouping key.
[ https://issues.apache.org/jira/browse/DRILL-658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jacques Nadeau updated DRILL-658:
---------------------------------
Component/s: Query Planning & Optimization
Assignee: Jinfeng Ni
Summary: Add support for multiple distinct counts without a grouping key. (was: CannotPlanException for multiple count(distinct()))
> Add support for multiple distinct counts without a grouping key.
> ----------------------------------------------------------------
>
> Key: DRILL-658
> URL: https://issues.apache.org/jira/browse/DRILL-658
> Project: Apache Drill
> Issue Type: New Feature
> Components: Query Planning & Optimization
> Reporter: Chun Chang
> Assignee: Jinfeng Ni
> Fix For: Future
>
>
> postgres:
> foodmart=# select count(distinct(c_int)), count(distinct(c_bigint)), count(distinct(c_float4)), count(distinct(c_float8)) from data;
> count | count | count | count
> -------+-------+-------+-------
> 21 | 23 | 22 | 20
> (1 row)
> drill:
> 0: jdbc:drill:schema=dfs> select count(distinct(c_int)), count(distinct(c_bigint)), count(distinct(c_float4)), count(distinct(c_float8)) from data;
> Query failed: org.apache.drill.exec.rpc.RpcException: Remote failure while running query.[error_id: "658d1c88-3968-457f-82e1-26c76ff7b54b"
> endpoint {
> address: "qa-node120.qa.lab"
> user_port: 31010
> control_port: 31011
> data_port: 31012
> }
> error_type: 0
> message: "Failure while parsing sql. < CannotPlanException:[ Node [rel#5852:Subset#33.PHYSICAL.SINGLETON([]).[]] could not be implemented;
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