[jira] [Closed] (STORM-2073) Reduce multi-steps on visitProject into one

["Jungtaek Lim (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STORM-2073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jungtaek Lim closed STORM-2073.
-------------------------------
    Resolution: Won't Fix

This will be covered by STORM-1446

> Reduce multi-steps on visitProject into one
> -------------------------------------------
>
>                 Key: STORM-2073
>                 URL: https://issues.apache.org/jira/browse/STORM-2073
>             Project: Apache Storm
>          Issue Type: Improvement
>          Components: storm-sql
>            Reporter: Jungtaek Lim
>            Assignee: Jungtaek Lim
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> In STORM-1434 we revamped the way to build Trident topology for Storm SQL.
> While revamping visitProject(), it should handle multiple things (calculate expression, projection) and moreover Trident doesn't allow duplicated field name. So we end up having multiple steps - each -> project -> each -> project - which doesn't look good.
> STORM-2072 is introducing a way to map / flatMap with specifying different output fields. With this, we can reduce visitProject() to have just 1 step instead of 4 steps.



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