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Posted to issues@kylin.apache.org by "nichunen (JIRA)" <ji...@apache.org> on 2017/08/18 03:31:00 UTC
[jira] [Commented] (KYLIN-2515) Route unsupported query back to
query its source directly
[ https://issues.apache.org/jira/browse/KYLIN-2515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16131664#comment-16131664 ]
nichunen commented on KYLIN-2515:
---------------------------------
I have upload docs for the usage of query pushdown.
> Route unsupported query back to query its source directly
> ---------------------------------------------------------
>
> Key: KYLIN-2515
> URL: https://issues.apache.org/jira/browse/KYLIN-2515
> Project: Kylin
> Issue Type: New Feature
> Reporter: liyang
> Assignee: nichunen
> Fix For: v2.2.0
>
> Attachments: push_down_1.png, push_down_2.png, push_down_doc.patch, query_pushdown.cn.md, query_pushdown.md
>
>
> When Kylin cannot support a query due to lack of prepared mode and cube, the query can be routed back to executing on its original source. It may integrate with Hive, or SparkSQL, or Drill, or anything if so desired.
> There must be an interface defined first, to allow plug-in of any ad-hoc query engine.
> This is a carry-on from KYLIN-742
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