Thanks. I will create a FLIP to illustrate some details.

Best Regards,
Ran Tao
https://github.com/chucheng92


Jark Wu <imj...@gmail.com> 于2023年2月21日周二 20:03写道:

> Thank you,
>
> I think this is worth a FLIP design doc to discuss the detailed syntax.
> Could you prepare a FLIP for that?
>
> Best,
> Jark
>
> On Tue, 21 Feb 2023 at 19:37, Ran Tao <chucheng...@gmail.com> wrote:
>
> > Hi, Jark. thanks. I have added a google doc.
> >
> >
> >
> https://docs.google.com/document/d/1hAiOfPx14VTBTOlpyxG7FA2mB1k5M31VnKYad2XpJ1I/edit?usp=sharing
> >
> > Jark Wu <imj...@gmail.com> 于2023年2月21日周二 19:27写道:
> >
> > > Hi Ran,
> > >
> > > I think it’s always nice to support new syntax if it’s useful for the
> > > users.
> > > From my side, your syntax table is broken. Could you share it with a
> > > Google doc or create a JIRA issue?
> > >
> > > Best,
> > > Jark
> > >
> > >
> > >
> > > > 2023年2月21日 17:51,Ran Tao <chucheng...@gmail.com> 写道:
> > > >
> > > > Hi guys. When I recently used flink sql to manage internal metadata
> > > > (catalog/databases/table/functions),
> > > > I found that many current flink sql statements do not support
> filtering
> > > or
> > > > some advanced syntax, however these abilities are very useful to
> > > end-users.
> > > >
> > > > These are some statements I have collected so far, which are
> supported
> > on
> > > > other big data engines, such as spark, hive or presto. I wonder if we
> > can
> > > > support these abilities?
> > > >
> > > > In addition, the subject of this email is named 'Auxiliary
> Statements'
> > > > mainly because the alignment of these statements will not have much
> > > impact
> > > > on the core SQL runtime.
> > > >
> > > > Support or Not
> > > >
> > > > With Advanced Syntax Or Not (in/from or like)
> > > >
> > > > show create table
> > > >
> > > > Yes
> > > >
> > > > Yes
> > > >
> > > > show tables
> > > >
> > > > Yes
> > > >
> > > > Yes
> > > >
> > > > show columns
> > > >
> > > > Yes
> > > >
> > > > Yes
> > > >
> > > > show catalogs
> > > >
> > > > Yes
> > > >
> > > > without filter
> > > >
> > > > show databases
> > > >
> > > > Yes
> > > >
> > > > without filter
> > > >
> > > > show functions
> > > >
> > > > Yes
> > > >
> > > > without filter
> > > >
> > > > show views
> > > >
> > > > Yes
> > > >
> > > > without filter
> > > >
> > > > show modules
> > > >
> > > > Yes
> > > >
> > > > without filter
> > > >
> > > > show jars
> > > >
> > > > Yes
> > > >
> > > > without filter
> > > >
> > > > show jobs
> > > >
> > > > Yes
> > > >
> > > > without filter
> > > >
> > > > We can see current flink many sql statements only support showing
> with
> > > full
> > > > datas, without 'FROM/IN' or 'LIKE' filter clause.
> > > >
> > > > Support or Not
> > > >
> > > > describe database
> > > >
> > > > No
> > > >
> > > > describe table
> > > >
> > > > Yes
> > > >
> > > > describe function
> > > >
> > > > No
> > > >
> > > > describe query
> > > >
> > > > No
> > > >
> > > > current flink only supports describing tables.
> > > >
> > > > Also, please let me know if there is a mistake. Looking forward to
> your
> > > > reply.
> > > >
> > > >
> > > > Best Regards,
> > > > Ran Tao
> > > > https://github.com/chucheng92
> > >
> > >
> >
>

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