[jira] [Commented] (TRAFODION-25) Insert, delete and update operators should use specialized cost method

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TRAFODION-25?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14724413#comment-14724413 ] 

ASF GitHub Bot commented on TRAFODION-25:
-----------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/incubator-trafodion/pull/68


> Insert, delete and update operators should use specialized cost method 
> -----------------------------------------------------------------------
>
>                 Key: TRAFODION-25
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-25
>             Project: Apache Trafodion
>          Issue Type: Bug
>            Reporter: Qifan Chen
>            Assignee: David Wayne Birdsall
>              Labels: performance
>
> In Trafodion, insert, delete and update operators do not use a specialized cost method that model the true operation involved. 
> As a result, these operators can be assigned a zero cost and the query plan may not be optimal. In one example, a delete query against a partitioned table may get a serial plan. 



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