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Posted to issues@drill.apache.org by "Daniel Reznick (JIRA)" <ji...@apache.org> on 2016/03/29 19:23:25 UTC
[jira] [Commented] (DRILL-3178) csv reader should allow newlines
inside quotes
[ 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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