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https://issues.apache.org/jira/browse/IMPALA-5098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16926532#comment-16926532
]
N Campbell commented on IMPALA-5098:
------------------------------------
Any plans for 3.x to be enhanced?
i.e. using 3.1
select distinct
sum ( cx ) over ( partition by c1 )
from (
select c1, c2, sum ( c3 ) cx
from CERT.TOLAP
group by c1, c2
) T1
Error: [Cloudera][ImpalaJDBCDriver](500051) ERROR processing query/statement.
Error Code: 0, SQL state: TStatus(statusCode:ERROR_STATUS, sqlState:HY000,
errorMessage:AnalysisException: cannot combine SELECT DISTINCT with analytic
functions
), Query: select distinct
sum ( cx ) over ( partition by c1 )
from (
select c1, c2, sum ( c3 ) cx
from CERT.TOLAP
group by c1, c2
) T1.
SQLState: HY000
ErrorCode: 500051
vs
select distinct *
from ( select
sum ( cx ) over ( partition by c1 )
from ( select c1, c2, sum ( c3 ) cx
from CERT.TOLAP
group by c1, c2
) T1
) T2
> Correct handling of DISTINCT in the select list
> -----------------------------------------------
>
> Key: IMPALA-5098
> URL: https://issues.apache.org/jira/browse/IMPALA-5098
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Affects Versions: Impala 2.6.0
> Reporter: N Campbell
> Priority: Major
> Labels: ansi-sql, sql-language
>
> DB2, ORACLE and various other systems will support the following statement
> but Impala will not
> {noformat}
> [Simba][ImpalaJDBCDriver](500051) ERROR processing query/statement. Error
> Code: 0,
> SQL state: TStatus(statusCode:ERROR_STATUS, sqlState:HY000,
> errorMessage:AnalysisException: cannot combine SELECT DISTINCT with analytic
> functions
> ), Query: SELECT DISTINCT
> `sno` AS `c1`,
> `pno` AS `c2`,
> SUM(`qty`)
> OVER(
> ) AS `c3`
> FROM
> `cert`.`tsupply`
> ORDER BY
> `sno` ASC NULLS LAST,
> `pno` ASC NULLS LAST.
> {noformat}
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