Re: record datatype comparisons

On Oct 31 06:49, Alvaro Herrera wrote:
> George Pavlov wrote:
> > thanks fo the reply. i was misled by pgAdmin (1.6) giving both as
> > "record" in the datatype (i thought "row" and "?column?" were just "best
> > guess" column headers). 
> > 
> > so, if they are indeed differently shaped is there any way to make them
> > be the same shape?
> > 
> > note that this one also fails with the same error (one would think these
> > are the "same shape"):
> > 
> > select 
> >   (select (1,2)) 
> > is distinct from 
> >   (select (1,2)) 
> > ;
> 
> This one works:
> 
> alvherre=# select
>   row(1,2)
> is distinct from
>   row(1,2)
> ;
>  ?column? 
> ----------
>  f
> (1 fila)

What's the difference between "SELECT (1, 2);" and "SELECT ROW(1, 2);"?


Regards.