[jira] [Updated] (ASTERIXDB-3079) Add support to reading loading files of multiple prefixes

["Hussain Towaileb (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ASTERIXDB-3079?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hussain Towaileb updated ASTERIXDB-3079:
----------------------------------------
    Epic Link: ASTERIXDB-3073

> Add support to reading loading files of multiple prefixes
> ---------------------------------------------------------
>
>                 Key: ASTERIXDB-3079
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-3079
>             Project: Apache AsterixDB
>          Issue Type: Improvement
>          Components: EXT - External data
>    Affects Versions: 0.9.8
>            Reporter: Hussain Towaileb
>            Assignee: Hussain Towaileb
>            Priority: Major
>             Fix For: 0.9.9
>
>
> Currently, we provide a single prefix and load the files metadata under that prefix. With the support for computed fields for operators like IN operator, we can end up with multiple prefixes.
>  
> Example, given the following prefix user-data/\{userid:int}
>  
>  
> |SELECT *|
> |FROM userdata|
> |WHERE user_id IN [1, 2]|
>  
>  
> The above translates to loading the data for the prefixes:
>  
>  
> |user-data/1|
> |user-data/2|



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