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From "Jacques Nadeau (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3810) Filesystem plugin's support for file format's schema
Date Fri, 11 Dec 2015 02:31:11 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15052045#comment-15052045
] 

Jacques Nadeau commented on DRILL-3810:
---------------------------------------

This patch only provides schema for Avro files. You'll need to validate it with one of those.

> Filesystem plugin's support for file format's schema
> ----------------------------------------------------
>
>                 Key: DRILL-3810
>                 URL: https://issues.apache.org/jira/browse/DRILL-3810
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Storage - JSON, Storage - Other, Storage - Parquet, Storage - Text
& CSV
>            Reporter: Bhallamudi Venkata Siva Kamesh
>            Assignee: Bhallamudi Venkata Siva Kamesh
>             Fix For: 1.3.0
>
>
> Filesystem Plugin supports multiple type of file formats like
> 					* json
> 					* avro
> 					* text (csv|psv|tsv)
> 					* parquet
> and can support any type of file formats.
> Among these file formats, some of the file formats are schema based like
> *avro* and *parquet* and some of them are schema less like *json*.
> For schema based file formats, Drill should have capability to validate the query against
file schema, before start executing the query.



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