I think you'll find life easier if create a view then operate on that
view.
create view v_products_cast_crews AS
SELECT p.id AS products,
p.name AS product_name,
cc.id AS cast_crew,
cc.name AS cast_name
FROM rel_cast_crew_movies AS rccm
LEFT JOIN products AS p ON p.id = rccm.prod_id
LEFT JOIN cast_crew AS cc ON cc.id = rccm.cast_crew_id;
Then you can do this;
select * from v_products_cast_crews where product_name ILIKE 'AA' AND
cast_crew = 1012 ORDER BY products;
Cheers.
On Fri, 2003-03-28 at 14:29, Jean-Christian Imbeault wrote:
> I get a "missing FROM-clause" with the following query. I don't see why
> as prod_id is a FK in the supposedly missing table ...
>
> I also get an error on my ORDER by, even though I am ordering on
> products.id which is what both selects retrieve ...
>
> This looks like a simple thing but I cannot figure out what I missed ....
>
> DB=# SELECT products.id
> FROM products
> WHERE name ILIKE 'AA'
>
> UNION
>
> SELECT prod_id
> FROM rel_cast_crew_movies
> WHERE cast_crew_id=1012
> ORDER BY products.id;
>
> NOTICE: Adding missing FROM-clause entry for table "products"
> ERROR: ORDER BY on a UNION/INTERSECT/EXCEPT result must be on one of
> the result columns
>
>
> I even tried this convoluted query to get around the notice and error
> but to no avail:
>
>
> DB=# SELECT products.id
> FROM products
> WHERE name ILIKE 'AA'
>
> UNION
>
> SELECT products.id
> FROM rel_cast_crew_movies, products
> WHERE cast_crew_id=1012
> AND prod_id=products.id
> ORDER BY products.id;
>
>
> The tables:
>
> DB=# \d rel_cast_crew_movies
> Table "public.rel_cast_crew_movies"
> Column | Type | Modifiers
> --------------+---------+-----------
> prod_id | integer | not null
> cast_crew_id | integer | not null
> Indexes: rel_cast_crew_movies_pkey primary key btree (cast_crew_id, prod_id)
> Foreign Key constraints: $1 FOREIGN KEY (prod_id) REFERENCES
> products(id) ON UPDATE NO ACTION ON DELETE CASCADE DEFERRABLE INITIALLY
> DEFERRED,
> $2 FOREIGN KEY (cast_crew_id) REFERENCES
> cast_crew(id) ON UPDATE NO ACTION ON DELETE CASCADE DEFERRABLE INITIALLY
> DEFERRED
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: Have you searched our list archives?
>
> http://archives.postgresql.org
--
Hadley Willan > Systems Development > Deeper Design Limited. +64(7)377-3328
hadley.willan@deeperdesign.co.nz > www.deeperdesign.com > +64(21)-28-41-463
Level 1, 4 Tamamutu St, PO Box 90, TAUPO 2730, New Zealand.
