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Posted to dev@hive.apache.org by "Ashutosh Chauhan (JIRA)" <ji...@apache.org> on 2014/03/23 18:57:50 UTC
[jira] [Updated] (HIVE-5759) Implement vectorized support for
COALESCE conditional expression
[ https://issues.apache.org/jira/browse/HIVE-5759?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ashutosh Chauhan updated HIVE-5759:
-----------------------------------
Fix Version/s: 0.13.0
> Implement vectorized support for COALESCE conditional expression
> ----------------------------------------------------------------
>
> Key: HIVE-5759
> URL: https://issues.apache.org/jira/browse/HIVE-5759
> Project: Hive
> Issue Type: Sub-task
> Reporter: Eric Hanson
> Assignee: Jitendra Nath Pandey
> Fix For: 0.13.0
>
> Attachments: HIVE-5759.1.patch, HIVE-5759.2.patch
>
>
> Implement full, end-to-end support for COALESCE in vectorized mode, including new VectorExpression class(es), VectorizationContext translation to a VectorExpression, and unit tests for these, as well as end-to-end ad hoc testing. An end-to-end .q test is recommended.
> This is lower priority than IF and CASE but it is still a fairly popular expression.
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