Hi

2016-04-08 16:17 GMT+02:00 nummervet nummervet <nummer...@mail.ru>:

> Hello. Didn't find dedicated plpgsql list, so decided to post question
> here.
> I am trying to create a  function that will pick up some values from
> cursor and execute them as a dynamic query.
> However, once i use EXECUTE, its seems to be ignoring the existence of
> cursor and try to pick up values from table.
> Basically:
>
> insert into mytable ( value, attribute_id, set_id ) (select rec."151",
> '201', '1')
>
> works, but
>
> execute 'insert into mytable ( value, attribute_id, set_id ) (select
> rec."151", ''201'', ''1'')'
>

Dynamic queries are executed in own space and there are not direct access
to plpgsql variables.

please, try: execute 'insert into mytable ( value, attribute_id, set_id )
(select $1."151", ''201'', ''1'')' using rec;

The content should be passed to dynamic query via USING clause.

http://www.postgresql.org/docs/current/static/plpgsql-statements.html#PLPGSQL-STATEMENTS-EXECUTING-DYN

Regards

Pavel Stehule


>
> fails with
>
> ERROR:  missing FROM-clause entry for table "rec"
> LINE 1: ...ibute_id, set_id ) (select rec."151",...
>
> Is there any way around it? Or should i just give up and do it some other
> way?
>
>

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