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Posted to issues@kylin.apache.org by "Billy Liu (JIRA)" <ji...@apache.org> on 2017/06/15 13:47:00 UTC

[jira] [Commented] (KYLIN-2671) Speed up prepared query execution

    [ https://issues.apache.org/jira/browse/KYLIN-2671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16050506#comment-16050506 ] 

Billy Liu commented on KYLIN-2671:
----------------------------------

Hi [~mahongbin], you mentioned "Prepared Statement is still not supported", I think it's not accurate for JDBC. As in Kylin JDBC Driver, the Prepared Statement with parameter works well. 

> Speed up prepared query execution
> ---------------------------------
>
>                 Key: KYLIN-2671
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2671
>             Project: Kylin
>          Issue Type: Improvement
>            Reporter: hongbin ma
>
> BI tools use prepared query for function probing, kylin should not execute such queries in standard way because it is too costly.
> It's still worth mentioning standard "prepare-bindparameter-execute" way of PreparedStatement is still not supported. By now kylin only support Prepared Statements WITHOUT parameters.



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