[jira] [Commented] (DRILL-3178) csv reader should allow newlines inside quotes

["F Méthot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-3178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15458600#comment-15458600 ] 

F Méthot commented on DRILL-3178:
---------------------------------

With 1.7 build, for this file:

> cat data/3428.csv
1,"line1"
2,"line2
"
3,"line3"

I get:

> select * from my_dfs.`/root/data/3428.csv`;
Error: DATA_READ ERROR: Error processing input: Cannot use newline character within quoted string, line=3, char=22. Content parsed: [ ]

Failure while reading file file:///root/data/3428.csv. Happened at or shortly before byte position 22.
Fragment 0:0

[Error Id: 49a05427-e763-4cca-9f97-e4b4308ecb75 on perfnode206.perf.lab:31010] (state=,code=0)



> 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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