Re: RETURNING and DO INSTEAD ... Intentional or not?

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От Joshua D. Drake
Тема Re: RETURNING and DO INSTEAD ... Intentional or not?
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Msg-id 46E81961.7000305@commandprompt.com
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Ответ на RETURNING and DO INSTEAD ... Intentional or not?  (Josh Berkus <josh@agliodbs.com>)
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Josh Berkus wrote:
> All,
> 
> A Hibernate developer pointed out the following odd behavior to me in 8.2.1:
> 
> create table test ( test1 text );
> create table test2 ( test_col text );
> create rule test_insert as on insert to test do instead insert into test2 
> values ( NEW.test1 ) RETURNING test2.test_col;
> 
> postgres=# insert into test values ( 'joe' );
> INSERT 0 1
> 
> ... no RETURNING.  In fact, there doesn't seem to be any way to capture the 
> RETURNING output if you have a DO INSTEAD rule on an insert.  Is this 
> intentional, or a bug?

I think this is a side effect of rules. I seem to remember that creating
update view with rules is broken in a similar fashion.

Sincerely,

Joshua D. Drake




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