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From "Jason Altekruse (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-1871) JSON reader cannot read compressed files
Date Wed, 17 Dec 2014 21:56:15 GMT

    [ https://issues.apache.org/jira/browse/DRILL-1871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14250644#comment-14250644

Jason Altekruse commented on DRILL-1871:

Sorry I forgot to run the unit tests before uploading, I made a bad assumption that I would
receive some kind of place-holder decompressor in the case where a matching one could not
be found. Apparently it actually returns null so I have to handle creating a normal stream
as were before if no compression is associated with the extension.

> JSON reader cannot read compressed files 
> -----------------------------------------
>                 Key: DRILL-1871
>                 URL: https://issues.apache.org/jira/browse/DRILL-1871
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - JSON
>            Reporter: Parth Chandra
>            Assignee: Parth Chandra
>         Attachments: DRILL-1871-compressed-json.patch
> GZip a json file and then try to query it. Gives the following error :
> ERROR [HY000] [MapR][Drill] (1040) Drill failed to execute the query: SELECT * FROM `dfs`.`part-m-0001.json.gz`
> [30024]Query execution error. Details:[
> Query stopped., Illegal character ((CTRL-CHAR, code 31)): only regular white space (\r,
\n, \t) is allowed between tokens
> at [Source: org.apache.drill.exec.vector.complex.fn.JsonReader@6a375274; line: 0, column:
2] [ d83909cd-89b7-43a2-aebc-5ebba74570db on vmx0754:31010 ] 
> ]
> The JSON reader is supposed to be able to handle compressed files.

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