Re: ERROR: query has no destination for result data

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От Pavel Stehule
Тема Re: ERROR: query has no destination for result data
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Msg-id CAFj8pRBLym8dgJYotpsvFuUeMxRyamnqZV3Biu2T2epOitDduA@mail.gmail.com
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Ответ на Re: ERROR: query has no destination for result data  (Peter Kroon <plakroon@gmail.com>)
Ответы Re: ERROR: query has no destination for result data  (Peter Kroon <plakroon@gmail.com>)
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2012/11/23 Peter Kroon <plakroon@gmail.com>:
> OK, but how do I run some SQL in pgAdmin with declared variables?

pgAdmin has own client language similar to T-SQL
http://www.pgadmin.org/docs/dev/pgscript.html - but it is client side
language

if you like server side code, then you have to write table function.

Regards

Pavel


>
>
> 2012/11/23 Pavel Stehule <pavel.stehule@gmail.com>
>>
>> 2012/11/23 Peter Kroon <plakroon@gmail.com>:
>> > So this means it's unable to return data?
>>
>> yes, it means :(
>>
>> DO "is" void function, so you cannot to return anything
>>
>> Regards
>>
>> Pavel Stehule
>>
>> >
>> >
>> > 2012/11/23 Bartosz Dmytrak <bdmytrak@gmail.com>
>> >>
>> >> Hi,
>> >> according to doc: http://www.postgresql.org/docs/9.2/static/sql-do.html
>> >> DO returns void:
>> >> "The code block is treated as though it were the body of a function
>> >> with
>> >> no parameters, returning void."
>> >>
>> >> Regars
>> >> Bartek
>> >>
>> >> Pozdrawiam,
>> >> Bartek
>> >>
>> >>
>> >>
>> >> 2012/11/23 Peter Kroon <plakroon@gmail.com>
>> >>>
>> >>> Hello,
>> >>>
>> >>> I wish to return the SELECT statement.
>> >>> Ho can I achieve this?
>> >>>
>> >>> DO $$
>> >>>
>> >>> DECLARE v_some_id int=14;
>> >>>
>> >>> BEGIN
>> >>> /*
>> >>> more queries here...
>> >>> */
>> >>> SELECT 'this is text';
>> >>> END
>> >>> $$ LANGUAGE plpgsql;
>> >>>
>> >>> Best,
>> >>> Peter Kroon
>> >>>
>> >>
>> >
>
>


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