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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