On Mon, Jun 14, 2010 at 11:51:07AM -0300, Israel Lins Albuquerque scratched on
the wall:
> Using the example above I see one not documented issue. When I use parameters
> ?NNN and :AAAA or @AAAA or $AAAA ,
> in same query as above some of then will be omitted. I don't know if this is
> the expected behavior or not.
>
> CREATE TABLE a (a, b);
> CREATE TABLE b (a, b);
>
> INSERT INTO a VALUES (0, 1);
> INSERT INTO a VALUES (1, 0);
> INSERT INTO a VALUES (1, 1);
> INSERT INTO b VALUES (0, 1);
> INSERT INTO b VALUES (1, 0);
> INSERT INTO b VALUES (1, 1);
>
> SELECT *
> FROM a
> JOIN b ON (a.a = b.a AND a.b = :b AND a.b = b.b)
> WHERE a.a = ?1;
>
> In this query as 2 parameters but will be see like only one!
It is expected.
Nearly all SQL interfaces work this way.
It is a feature. The same value will be used in both locations in
the query.
-j
--
Jay A. Kreibich < J A Y @ K R E I B I.C H >
"Intelligence is like underwear: it is important that you have it,
but showing it to the wrong people has the tendency to make them
feel uncomfortable." -- Angela Johnson
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