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Posted to dev@drill.apache.org by "Sean Hsuan-Yi Chu (JIRA)" <ji...@apache.org> on 2015/06/24 22:51:05 UTC
[jira] [Resolved] (DRILL-3326) Query with unsupported windows
function containing "AS" blocks correct error message
[ https://issues.apache.org/jira/browse/DRILL-3326?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Hsuan-Yi Chu resolved DRILL-3326.
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Resolution: Fixed
> Query with unsupported windows function containing "AS" blocks correct error message
> ------------------------------------------------------------------------------------
>
> Key: DRILL-3326
> URL: https://issues.apache.org/jira/browse/DRILL-3326
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 1.1.0
> Reporter: Krystal
> Assignee: Sean Hsuan-Yi Chu
> Labels: window_function
> Fix For: 1.1.0
>
>
> The following query contains "AS" using un-supported function first_value gives incorrect error:
> select FIRST_VALUE(voter_id) OVER (PARTITION BY age ORDER BY contributions ROWS BETWEEN CURRENT ROW AND 1 FOLLOWING) as t from voter_hive;
> Error: SYSTEM ERROR: org.apache.drill.exec.exception.SchemaChangeException: Failure while materializing expression.
> Error in expression at index -1. Error: Missing function implementation: [first_value(INT-OPTIONAL)]. Full expression: --UNKNOWN EXPRESSION--.
> After I remove the "AS" keyword, the correct error message is displayed:
> select FIRST_VALUE(voter_id) OVER (PARTITION BY age ORDER BY contributions ROWS BETWEEN CURRENT ROW AND 1 FOLLOWING) from voter_hive;
> Error: UNSUPPORTED_OPERATION ERROR: The window function FIRST_VALUE is not supported
> See Apache Drill JIRA: DRILL-3195
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