hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-7835) [CBO] Handle a case where FieldTimmer trims all fields from input
Date Thu, 21 Aug 2014 20:53:11 GMT
Ashutosh Chauhan created HIVE-7835:
--------------------------------------

             Summary: [CBO] Handle a case where FieldTimmer trims all fields from input
                 Key: HIVE-7835
                 URL: https://issues.apache.org/jira/browse/HIVE-7835
             Project: Hive
          Issue Type: Sub-task
          Components: CBO
            Reporter: Ashutosh Chauhan
            Assignee: Ashutosh Chauhan


eg in queries like select 1 from t1 where nothing needs to be projected we generate empty
project list which results in incorrect ast getting generated. Currently, we fix while generating
ast by eliminating such AST node, but better is to generate correct project list to begin
with.



--
This message was sent by Atlassian JIRA
(v6.2#6252)

Mime
View raw message