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Posted to issues@flink.apache.org by "Robert Metzger (JIRA)" <ji...@apache.org> on 2017/07/11 18:25:00 UTC

[jira] [Updated] (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:all-tabpanel ]

Robert Metzger updated FLINK-7151:
----------------------------------
    Component/s: Table API & SQL

> 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
>
> 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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