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https://issues.apache.org/jira/browse/HIVE-8615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14186485#comment-14186485
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Vaibhav Gumashta commented on HIVE-8615:
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+1. Thanks for adding MiniHS2 to the test!
> 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
> 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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