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Posted to dev@hive.apache.org by "Szehon Ho (JIRA)" <ji...@apache.org> on 2014/11/11 00:11:34 UTC
[jira] [Commented] (HIVE-8615) beeline csv,tsv outputformat needs
backward compatibility mode
[ https://issues.apache.org/jira/browse/HIVE-8615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14205512#comment-14205512 ]
Szehon Ho commented on HIVE-8615:
---------------------------------
Hi Lefty, I revised that section, in addition added very short insert section to explain in more detail:
[https://cwiki.apache.org/confluence/display/Hive/HiveServer2+Clients#HiveServer2Clients-Separated-ValueOutputFormats|https://cwiki.apache.org/confluence/display/Hive/HiveServer2+Clients#HiveServer2Clients-Separated-ValueOutputFormats].
The idea is there, but feel free to fix the format, wording if necessary. Thanks.
> beeline csv,tsv outputformat needs backward compatibility mode
> --------------------------------------------------------------
>
> Key: HIVE-8615
> URL: https://issues.apache.org/jira/browse/HIVE-8615
> Project: Hive
> Issue Type: Bug
> Components: Beeline
> Affects Versions: 0.14.0
> Reporter: Thejas M Nair
> Assignee: Thejas M Nair
> Priority: Critical
> Labels: TODOC14
> Fix For: 0.14.0
>
> Attachments: HIVE-8615.1.patch, HIVE-8615.2.patch
>
>
> Changes in HIVE-7390 break backward compatibility for beeline csv and tsv formats.
> This can cause problems for users upgrading to hive 0.14, if they have code for parsing the old output format. Instead of removing the old format in this release, we should consider it deprecated and support it in a few releases before removing it completely.
> Incompatible Changes in the tsv and csv formats-
> - Old format quoted every field. New format quotes only fields that contain a delimiter or the quoteing char.
> - Old format quoted using single quotes, new format quotes using double quotes
> - Old format didn't escape quotes in a field (a bug). New format does escape the quotes
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