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https://issues.apache.org/jira/browse/FLINK-13661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16935515#comment-16935515
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Jark Wu commented on FLINK-13661:
---------------------------------
You can leave your thoughts in this doc:
https://docs.google.com/document/d/1yrKXEIRATfxHJJ0K3t6wUgXAtZq8D-XgvEnvl2uUcr0/edit#heading=h.c05t427gfgxa.
There is a "Changelog" section in it.
> Add a stream specific CREATE TABLE SQL DDL
> ------------------------------------------
>
> Key: FLINK-13661
> URL: https://issues.apache.org/jira/browse/FLINK-13661
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Reporter: Jark Wu
> Priority: Major
> Fix For: 1.10.0
>
>
> FLINK-6962 has introduced a basic SQL DDL to create a table. However, it
> doesn't support stream specific features, for example, watermark definition,
> changeflag definition, computed columns, primary keys and so on.
> We started a design doc[1] to discuss the concepts of source and sink to help
> us have a well-defined DDL. Once the FLIP is accepted, we can start the work.
> [1]:
> https://docs.google.com/document/d/1yrKXEIRATfxHJJ0K3t6wUgXAtZq8D-XgvEnvl2uUcr0/edit#heading=h.c05t427gfgxa
> Considering the streaming DDL is a huge topic, we decided to split it into
> separate FLIPs. Here comes the first one.
> FLIP-66: Support time attribute in SQL DDL:
> https://docs.google.com/document/d/1-SecocBqzUh7zY6HBYcfMlG_0z-JAcuZkCvsmN3LrOw/edit#
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