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Posted to issues@flink.apache.org by "yinhua.dai (JIRA)" <ji...@apache.org> on 2018/03/16 07:39:00 UTC
[jira] [Commented] (FLINK-7151) FLINK SQL support create temporary
function and table
[ https://issues.apache.org/jira/browse/FLINK-7151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16401548#comment-16401548 ]
yinhua.dai commented on FLINK-7151:
-----------------------------------
[~yuemeng]
Any update on this functionality, I would like to do something similar.
> FLINK SQL support create temporary function and table
> -----------------------------------------------------
>
> Key: FLINK-7151
> URL: https://issues.apache.org/jira/browse/FLINK-7151
> Project: Flink
> Issue Type: New Feature
> Components: Table API & SQL
> Reporter: yuemeng
> Assignee: yuemeng
> Priority: Major
>
> Based on create temporary function and table.we can register a udf,udaf,udtf use sql:
> {code}
> CREATE TEMPORARY function 'TOPK' AS 'com.xxxx.aggregate.udaf.distinctUdaf.topk.ITopKUDAF';
> INSERT INTO db_sink SELECT id, TOPK(price, 5, 'DESC') FROM kafka_source GROUP BY id;
> {code}
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