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Posted to dev@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2016/01/08 03:52:39 UTC
[jira] [Created] (HIVE-12809) Vectorization: fast-path for coalesce
if input.noNulls = true
Gopal V created HIVE-12809:
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Summary: Vectorization: fast-path for coalesce if input.noNulls = true
Key: HIVE-12809
URL: https://issues.apache.org/jira/browse/HIVE-12809
Project: Hive
Issue Type: Bug
Affects Versions: 2.0.0, 2.1.0
Reporter: Gopal V
Assignee: Gopal V
Coalesce can skip processing a column, if all the input columns are non-null.
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