Re: function returning a merge of the same query executed X time

Can you not just CROSS JOIN it to generate_series(1, 8)?

On 22 April 2015 at 14:14, Marc-André Goderre <magoderre(at)cgq(dot)qc(dot)ca> wrote:

> Hi all,
> I'm having difficulties to create a function that should execute X time
> the same query and return their results as a single table.
> I tried this way but it don't work :
> Thanks to help.
>
> create function cm_get_json_loop_info(
> IN profile integer,
> IN distance double precision DEFAULT 10,
> IN x_start double precision DEFAULT 0,
> IN y_start double precision DEFAULT 0,
> IN nbr integer default 1)
>
> returns setof json as
> $BODY$
> declare jsona json;
> BEGIN
> for json a i in 1.. nbr loop
>
> select row_to_json(q)
> from (select row_number() over() as id, sum(cost) as
> total_cost,sum(length) as total_length,json_agg(row_to_json(r)) as data
> from (select * from cm_get_loop_route_4(2, 10, -73.597070,
> 45.544083))r)q
> return next jsona
> end loop;
> return jsona;
>
> Marc
>
>
>
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