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Posted to issues@flink.apache.org by "yuemeng (JIRA)" <ji...@apache.org> on 2017/07/11 11:10:00 UTC

[jira] [Created] (FLINK-7151) FLINK SQL support create temporary function and table

yuemeng created FLINK-7151:
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             Summary: 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
            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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