FreeTDS Development Group

[Ran September <ran.september AT gmail.com>]

The programs were originally created in ODBC extension so i might debug it
instead of making new using SQL extension.
I hope i answer your question right.

On Wed, Feb 18, 2009 at 9:34 PM, Robert Gonzalez <robert AT robert-gonzalez.com
> wrote:

> Not to pry, but is there any reason why you are not using the SQL Server
> extension for PHP as opposed to the ODBC extension?
>
> On Wed, Feb 18, 2009 at 10:20 PM, Ran September <ran.september AT gmail.com
> >wrote:
>
> > >I can't tell from your script what the relationship is between gages and
> > >mpc_web_users.  There doesn't seem to be any; the results of the first
> > >query don't seem to affect $userid, which is what's used as a key in the
> > >second query.
> >
> > well actually, i am not the one who created the script. i'm just here to
> > make freetds work but since freetds can't handle one active statement at
> a
> > time; i might as well re-program the scripts. gages and mpc_web_users are
> > both table in a database.
> >
> > Thanks for letting me know the function of the 'left outer join' I will
> > work
> > hard on this one. :-)
> >
> > On Wed, Feb 18, 2009 at 8:33 PM, James K. Lowden <jklowden AT freetds.org
> > >wrote:
> >
> > > Ran September wrote:
> > > > i will try to become a "better programmer" :-D
> > >
> > > And so you are doing.  :-)
> > >
> > > > although i didn't get the "outer join to mpc_web_users" part
> > >
> > >
> > >
> >
> http://publib.boulder.ibm.com/infocenter/rbhelp/v6r3/index.jsp?topic=/com.ibm.redbrick.doc6.3/ssg/ssg74.htm
> > > http://en.wikipedia.org/wiki/Join_(SQL)#Outer_joins<http://en.wikipedia.org/wiki/Join_%28SQL%29#Outer_joins>
> <http://en.wikipedia.org/wiki/Join_%28SQL%29#Outer_joins>
> > <http://en.wikipedia.org/wiki/Join_%28SQL%29#Outer_joins>
> > >
> > > I can't tell from your script what the relationship is between gages
> and
> > > mpc_web_users.  There doesn't seem to be any; the results of the first
> > > query don't seem to affect $userid, which is what's used as a key in
> the
> > > second query.
> > >
> > > If $userid is invariant within the loop, the second query could be
> > > factored out.  Get the row(s) from mpc_web_users, then proceed with
> > gages.
> > >
> > >
> > > If the two are related -- if the row you want from mpc_web_users varies
> > > with the data you fetch from gages -- then fetch both parts at once,
> > > something like:
> > >
> > >        SELECT g.*, U.nusers
> > >        FROM gages as g
> > >        left outer join (
> > >                select count(*) as nusers, user_name
> > >                from mpc_web_users
> > >        ) as U
> > >        on g.something = U.user_name
> > >         where company = '$custid'
> > >        and gage_sn ='$sn'
> > >
> > > That's just one approach.  Depending on your data and exactly what
> you're
> > > trying to do, several alternatives come to mind.  Cf. "cross join".
> > >
> > > All to say: SQL is your friend.  Learn it.  Use it. Exploit it.  Not to
> > be
> > > a better programmer, however nice that might be, but to work less.
> >  Create
> > > more from less code by letting the database do the work for you.  If
> > > you're going to spend your day scripting webservers, I can't offer
> better
> > > advice.
> > >
> > > > but is it true that installing the mssql.so will solve this?
> > >
> > > No.  Please re-read the faq.  Remember: "one active statement at a time
> > > per connection" is a property of the *protocol*.  The server won't
> accept
> > > a second query until it's done answering the first one.
> > >
> > > --jkl
> > > _______________________________________________
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> > >
> >
> >
> >
> > --
> > R
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> >
>
>
>
> --
>
> Robert Gonzalez
> http://www.robert-gonzalez.com
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>



-- 
R