Re: How To Exclude True Values

> > yields the following error:
> > 
> > ERROR:  schema "a" does not exist
> > 
> > i tried to interpret you query and apply it to my
> > case, but, apparently, i didn't too good of a job.
> > 
> > do you see the error?
> 
> Hmmm... That is strange.  but according to the
> PostgreSQL documentation on select you can add the
> option [AS] keyword  between the table_name and
> alias.
> 
>
http://www.postgresql.org/docs/8.1/interactive/sql-select.html
>     [ ONLY ] table_name [ * ] [ [ AS ] alias [ (
> column_alias [, ...] ) ] ]
> 
>     ( select ) [ AS ] alias [ ( column_alias [, ...]
> ) ]
> 
> select a.inspect_id, a.inspect_result_id, 
>        a.inspect_result_pass, 
>        a.inspect_result_timestamp
> from t_inspect_result AS a 
> 
> join
> (
> select
> max(t_inspect_result.inspect_result_timestamp) 
>        as mstamp, 
>        t_inspect_result.inspect_id
> from t_inspect_result
> group by t_inspect_result.inspect_id
> ) AS b
> 
> on a.inspect_result_timestamp = b.mstamp
> ;

Richard,

i got the expected rewsults!  now i just have to study
the query to figure out what it does.  -lol-

i tried using AS, but i only did it in one place -
doh!  the error message just moved to the next place i
didn't do it.  i'll know better next time.

thanks for the help.

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