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Posted to dev@sqoop.apache.org by "Qiuzhuang Lian (JIRA)" <ji...@apache.org> on 2015/02/06 03:57:35 UTC
[jira] [Commented] (SQOOP-1270) Sqoop PostgreSQL Export Upsert
Functionality Request
[ https://issues.apache.org/jira/browse/SQOOP-1270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14308513#comment-14308513 ]
Qiuzhuang Lian commented on SQOOP-1270:
---------------------------------------
Is it possible that we could emulate this postgres upsert behavior via procedure within Sqoop export code?
> Sqoop PostgreSQL Export Upsert Functionality Request
> ----------------------------------------------------
>
> Key: SQOOP-1270
> URL: https://issues.apache.org/jira/browse/SQOOP-1270
> Project: Sqoop
> Issue Type: New Feature
> Components: connectors/postgresql
> Affects Versions: 1.4.3
> Environment: CDH 4.5
> Reporter: Hari Sekhon
>
> Hi,
> One of my Hadoop developers is trying to re-export to PostgreSQL but is hitting the following error:
> ERROR tool.ExportTool: Error during export: Mixed update/insert is not supported against the target database yet
> Could we please add upsert functionality to the PostgreSQL connector?
> Although Postgres doesn't have direct upsert functionality it's possible to construct SQL to handle this like so:
> http://www.postgresql.org/docs/current/static/plpgsql-control-structures.html#PLPGSQL-UPSERT-EXAMPLE
> A similar request to add upsert functionality for MySQL was addressed here:
> https://issues.apache.org/jira/browse/SQOOP-621
> Thanks
> Hari Sekhon
> http://www.linkedin.com/in/harisekhon
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