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From "Daniel Reznick (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3178) csv reader should allow newlines inside quotes
Date Tue, 29 Mar 2016 17:23:25 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15216384#comment-15216384
] 

Daniel Reznick commented on DRILL-3178:
---------------------------------------

As drill is meant for working with data in place, having to pre-process files prior to use
with drill is counter-productive.  Drill should work hard to read data as is when possible,
and as noted many other tools both read and write delimited content with newlines in quoted
fields.

> csv reader should allow newlines inside quotes 
> -----------------------------------------------
>
>                 Key: DRILL-3178
>                 URL: https://issues.apache.org/jira/browse/DRILL-3178
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Storage - Text & CSV
>    Affects Versions: 1.0.0
>         Environment: Ubuntu Trusty 14.04.2 LTS
>            Reporter: Neal McBurnett
>             Fix For: Future
>
>
> When reading a csv file which contains newlines within quoted strings, e.g. via
>     select * from dfs.`/tmp/q.csv`;
> Drill 1.0 says:
>     Error: SYSTEM ERROR: com.univocity.parsers.common.TextParsingException:  Error processing
input: Cannot use newline character within quoted string
> But many tools produce csv files with newlines in quoted strings.  Drill should be able
to handle them.
> Workaround: the csvquote program (https://github.com/dbro/csvquote) can encode embedded
commas and newlines, and even decode them later if desired.



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