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https://issues.apache.org/jira/browse/ARROW-14443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krisztian Szucs updated ARROW-14443:
------------------------------------
    Fix Version/s: 9.0.0
                       (was: 8.0.0)

> [C++] Implement Plan Fragments support for ExecPlan. 
> -----------------------------------------------------
>
>                 Key: ARROW-14443
>                 URL: https://issues.apache.org/jira/browse/ARROW-14443
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Alexander Ocsa
>            Assignee: Percy Camilo Triveño Aucahuasi
>            Priority: Major
>              Labels: query-engine
>             Fix For: 9.0.0
>
>
> A plan fragment: Implement Plan Fragmets support for ExecPlan.
> A plan fragment:
>  * Has zero or more inputs and one or more outputs
>  * Is a logical description of how the output data should be generated based 
> on the input data.
>  * Is immutable during query runtime and can be shared and reused between 
> queries.
> The relation between a plan fragment and a exec plan is:
>  * An exec plan can be executed on its own.
>  * A plan fragment allows to have some inputs that are not bound to any 
> source nodes and require some external entity to provide the data at runtime 
> using the push interface of ExecNodes (the external entity is related to 
> DataHolder)
>  



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