[jira] [Resolved] (ASTERIXDB-1317) avg() does not work on open lists

["Yingyi Bu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ASTERIXDB-1317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yingyi Bu resolved ASTERIXDB-1317.
----------------------------------
    Resolution: Fixed

> avg() does not work on open lists
> ---------------------------------
>
>                 Key: ASTERIXDB-1317
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-1317
>             Project: Apache AsterixDB
>          Issue Type: Bug
>          Components: AsterixDB, Functions - AQL
>            Reporter: Ian Maxon
>            Assignee: Yingyi Bu
>
> This query:
>  
> for $i in dataset HRM_binned_clipped return {
> "row_id": $i.row_id,
> "sid": $i.sid,
> "gdate": $i.gdate,
> "gday": $i.gday,
> "timebin": $i.timebin,
> "stdv_RR_clipped": avg($i.RR_clipped)
> }
> Where the dataset is an open type, will fail when trying to compute the average of stdv_RR_clipped, with this message:
> Type of argument in function-call: asterix:avg, Args:[function-call: asterix:field-access-by-name, Args:[%0->$$0, AString: {RR_clipped}]] should be a collection type instead of ANY [AlgebricksException]



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