[
https://issues.apache.org/jira/browse/FLINK-7151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Flink Jira Bot updated FLINK-7151:
----------------------------------
Labels: pull-request-available stale-assigned (was: pull-request-available)
I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help
the community manage its development. I see this issue is assigned but has not
received an update in 14, so it has been labeled "stale-assigned".
If you are still working on the issue, please remove the label and add a
comment updating the community on your progress. If this issue is waiting on
feedback, please consider this a reminder to the committer/reviewer. Flink is a
very active project, and so we appreciate your patience.
If you are no longer working on the issue, please unassign yourself so someone
else may work on it. If the "warning_label" label is not removed in 7 days, the
issue will be automatically unassigned.
> Support function DDL
> --------------------
>
> Key: FLINK-7151
> URL: https://issues.apache.org/jira/browse/FLINK-7151
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / API
> Reporter: yuemeng
> Assignee: Zhenqiu Huang
> Priority: Major
> Labels: pull-request-available, stale-assigned
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Based on create function and table.we can register a udf,udaf,udtf use sql:
> {code}
> CREATE FUNCTION [IF NOT EXISTS] [catalog_name.db_name.]function_name AS
> class_name;
> DROP FUNCTION [IF EXISTS] [catalog_name.db_name.]function_name;
> ALTER FUNCTION [IF EXISTS] [catalog_name.db_name.]function_name RENAME TO
> new_name;
> {code}
> {code}
> CREATE 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}
> This ticket can assume that the function class is already loaded in classpath
> by users. Advanced syntax like to how to dynamically load udf libraries from
> external locations can be on a separate ticket.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
