From: | Carlos Carcamo <eazyduiz(at)gmail(dot)com> |
---|---|
To: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: help with a procedure |
Date: | 2014-06-05 16:45:57 |
Message-ID: | CADpTsTY3VBmmEO=60Jtaw+P-LKWfv=J0mmHCwAGmnM3xk31wbQ@mail.gmail.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
Just a little, I will read it again, thanks for your help.
2014-06-05 10:39 GMT-06:00 David G Johnston <david(dot)g(dot)johnston(at)gmail(dot)com>:
>
> Have you read this chapter of the documentation?
>
> http://www.postgresql.org/docs/9.3/interactive/plpgsql.html
>
>
> Carlos Carcamo wrote
> > What I need is some help with the procedure in postgres, I have searched
> > in
> > google, but I dont know how to do it, the goal is perform the first
> insert
> > and then the second insert if the first one succeed in one procedure
> > instead of using two separate inserts.
> >
> > Do you have some code like that?
> >
> > 2014-06-05 10:14 GMT-06:00 Seref Arikan <
>
> > serefarikan@
>
> > >:
> >
> >> Sorry, I meant: "calling a stored procedure you'll write in postgres
> from
> >> php"
> >>
> >>
> >> On Thu, Jun 5, 2014 at 5:13 PM, Seref Arikan <
>
> > serefarikan@
>
> > >
> >> wrote:
> >>
> >>> Hi Carlos,
> >>> When you say procedures, do you mean calling a stored procedure you'll
> >>> write from php? Or executing the individual INSERT from php
> >>> sequentially?
> >>> For the first scenario, you'd need to write a postgresql stored
> >>> procedure
> >>> (I suggest you google: PL/pgSQL tutorial) and call the from php. For
> the
> >>> second, well, it is exactly what I said before: you'll need to open a
> >>> connection to postgres, execute your statements under a transaction and
> >>> commit. I'd suggest you either search for php and postgres or ask this
> >>> to a
> >>> php mail group. Your goal here appears to be understanding how to call
> >>> postgres from php.
> >>>
> >>> Regards
> >>> Seref
> >>>
> >>>
> >>>
> >>>
> >>> On Thu, Jun 5, 2014 at 5:03 PM, Carlos Carcamo <
>
> > eazyduiz@
>
> > >
> >>> wrote:
> >>>
> >>>> Thanks for answering...
> >>>> I'm using php with postgresql 9.1, I have never used procedures with
> >>>> php, I'm new with postgresql
> >>>>
> >>>>
> >>>> 2014-06-05 9:45 GMT-06:00 Seref Arikan <
>
> > serefarikan@
>
> > >:
> >>>>
> >>>> Hi Carlos,
> >>>>> Unless I'm missing something here, your queries are probably being
> >>>>> called from a programming language (java/c# etc) and your database
> >>>>> access
> >>>>> api should support transactions. If you perform both operations under
> >>>>> the
> >>>>> same db transaction and commit your transaction things should be
> fine.
> >>>>> If
> >>>>> there is a problem with the first INSERT, your api should throw an
> >>>>> exception and you won't be able to commit the transaction (you
> may/may
> >>>>> not
> >>>>> need to call rollback in your catch block), so it'll either be both
> >>>>> calls
> >>>>> executed or none.
> >>>>>
> >>>>> You may want to read about how db transactions are handled in your
> >>>>> programming environment.
> >>>>>
> >>>>> Regards
> >>>>> Seref
> >>>>>
> >>>>>
> >>>>>
> >>>>> On Thu, Jun 5, 2014 at 4:36 PM, Carlos Carcamo <
>
> > eazyduiz@
>
> > >
> >>>>> wrote:
> >>>>>
> >>>>>>
> >>>>>> 2014-06-05 9:32 GMT-06:00 Carlos Carcamo <
>
> > eazyduiz@
>
> > >:
> >>>>>>
> >>>>>> Hi everyone, I wonder if you could help me with a procedure that I
> >>>>>>> would like to perform in postgresql.
> >>>>>>>
> >>>>>>> I have an insert query like this:
> >>>>>>>
> >>>>>>> INSERT INTO products (product_id, description, price, qty, ...)
> >>>>>>> values ('01', 'some description', 10.15, 5, ...)
> >>>>>>>
> >>>>>>> then if there is no problem, perform another query like:
> >>>>>>>
> >>>>>>> INSERT INTO store(store_id, description, price, qty, ...) values
> >>>>>>> ('02', 'some description', 10.15, 5, ...)
> >>>>>>>
> >>>>>>> So the second query depends of the first query, if the first one
> >>>>>>> succeed the second will perform the second insert
> >>>>>>>
> >>>>>>> I would like to do something like:
> >>>>>>>
> >>>>>>> SELECT myProcedure(product_id, p_description, price, qty, store_id,
> >>>>>>> store_description );
> >>>>>>>
> >>>>>>> waiting for a response from procedure, maybe true or false.
> >>>>>>>
> >>>>>>> Thanks in advance...
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>> --
> >>>>>>> "El desarrollo no es material es un estado de conciencia metal"
> >>>>>>>
> >>>>>>
> >>>>>> Sorry, the second query looks like:
> >>>>>> INSERT INTO store(store_id, description, product_id, price, qty,
> ...)
> >>>>>> values ('02', 'some description', '01', 10.15, 5, ...)
> >>>>>>
> >>>>>> --
> >>>>>> "El desarrollo no es material es un estado de conciencia metal"
> >>>>>>
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>> --
> >>>> "El desarrollo no es material es un estado de conciencia metal"
> >>>>
> >>>
> >>>
> >>
> >
> >
> > --
> > "El desarrollo no es material es un estado de conciencia metal"
>
>
>
>
>
> --
> View this message in context:
> http://postgresql.1045698.n5.nabble.com/help-with-a-procedure-tp5806213p5806230.html
> Sent from the PostgreSQL - general mailing list archive at Nabble.com.
>
>
> --
> Sent via pgsql-general mailing list (pgsql-general(at)postgresql(dot)org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-general
>
--
"El desarrollo no es material es un estado de conciencia metal"
From | Date | Subject | |
---|---|---|---|
Next Message | Francisco Olarte | 2014-06-05 16:55:41 | Re: Merge a sharded master into a single read-only slave |
Previous Message | David G Johnston | 2014-06-05 16:39:40 | Re: help with a procedure |