Thank you. That is I am looking for.
Never thought that 'WITH' syntax is described at 'SELECT'. 

Will be very helpful if this will be mentioned on this page: 
https://www.postgresql.org/docs/10/static/queries-with.html
For an example:

       [ WITH [ RECURSIVE ] with_query [, ...] ]

and with_query is shown as:

       with_query_name [ ( column_name [, ...] ) ] AS ( select | values | 
insert | update | delete )

For full syntax of `WITH` see 
https://www.postgresql.org/docs/10/static/sql-select.html


Thanks.

24.08.2018, 23:30, "Bruce Momjian" <br...@momjian.us>:
> On Wed, Aug 22, 2018 at 09:24:52AM +0000, PG Doc comments form wrote:
>>  The following documentation comment has been logged on the website:
>>
>>  Page: https://www.postgresql.org/docs/10/static/queries-with.html
>>  Description:
>>
>>  Hi. I have found
>>  [DOC](https://www.postgresql.org/docs/10/static/queries-with.html)
>>
>>  it is fine, but did not cover multiple WITH in one query.
>>
>>  I found answer only [here](https://stackoverflow.com/a/38137037/4632019)
>>
>>  May you please add the example:
>>
>>      WITH table1 AS (...), table2 AS (...) SELECT * FROM table1, table2
>
> Well, the SELECT manual has:
>
>        [ WITH [ RECURSIVE ] with_query [, ...] ]
>
> and with_query is shown as:
>
>        with_query_name [ ( column_name [, ...] ) ] AS ( select | values | 
> insert | update | delete )
>
> This is standard SQL. I don't think we are going to be able to show
> every possible syntax.
>
> --
>   Bruce Momjian <br...@momjian.us> http://momjian.us
>   EnterpriseDB http://enterprisedb.com
>
> + As you are, so once was I. As I am, so you will be. +
> + Ancient Roman grave inscription +

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