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Open a Transaction

This is a discussion on Open a Transaction within the pgsql Sql forums, part of the PostgreSQL category; --> Hi list, Could someone tell me what is wrong on this statement ? Start Transaction delete from base.something where ...


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  #1 (permalink)  
Old 04-19-2008, 03:05 PM
Ezequias Rodrigues da Rocha
 
Posts: n/a
Default Open a Transaction

Hi list,

Could someone tell me what is wrong on this statement ?

Start Transaction
delete from base.something
where
id in(
41503,
41504,
41505,
41506,
41507,
41508,
41509,
41510,
41511,
41512,
41513,
41514,
41515,
41516,
41517,
41518,
41519,
41520,
41521,
41522,
41523,
41524,
41525,
41526,
41527,
41528,
)
end;
Commit;

--
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Atenciosamente (Sincerely)
Ezequias Rodrigues da Rocha
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
A pior das democracias ainda é melhor do que a melhor das ditaduras
The worst of democracies is still better than the better of dictatorships
http://ezequiasrocha.blogspot.com/

---------------------------(end of broadcast)---------------------------
TIP 6: explain analyze is your friend

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  #2 (permalink)  
Old 04-19-2008, 03:05 PM
Joe
 
Posts: n/a
Default Re: Open a Transaction

Hi Ezequias,

On Thu, 2007-02-08 at 14:50 -0200, Ezequias Rodrigues da Rocha wrote:
> Hi list,
>
> Could someone tell me what is wrong on this statement ?
>
> Start Transaction


The above should read

begin;

> delete from base.something
> where
> id in(
> 41503,
> 41504,
> 41505,
> 41506,
> 41507,
> 41508,
> 41509,
> 41510,
> 41511,
> 41512,
> 41513,
> 41514,
> 41515,
> 41516,
> 41517,
> 41518,
> 41519,
> 41520,
> 41521,
> 41522,
> 41523,
> 41524,
> 41525,
> 41526,
> 41527,
> 41528,


Remove the extra comma.

> )
> end;


Remove 'end'.

> Commit;


Joe


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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match

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  #3 (permalink)  
Old 04-19-2008, 03:05 PM
Ezequias Rodrigues da Rocha
 
Posts: n/a
Default Re: Open a Transaction

Now the sql is OK but now I have the following error:

ERROR: stack depth limit exceeded
SQL state: 54001
Hint: Increase the configuration parameter "max_stack_depth".

In the previous e-mail I hide the numbers of itens of my set
(in(234,12332,1232,....) actually I have more than 36000 subsets of my IN
statement.

:\

Any suggestion instead of change my max_stack_depth ?

Regards
Ezequias

2007/2/8, Joe <dev@freedomcircle.net >:
>
> Hi Ezequias,
>
> On Thu, 2007-02-08 at 14:50 -0200, Ezequias Rodrigues da Rocha wrote:
> > Hi list,
> >
> > Could someone tell me what is wrong on this statement ?
> >
> > Start Transaction

>
> The above should read
>
> begin;
>
> > delete from base.something
> > where
> > id in(
> > 41503,
> > 41504,
> > 41505,
> > 41506,
> > 41507,
> > 41508,
> > 41509,
> > 41510,
> > 41511,
> > 41512,
> > 41513,
> > 41514,
> > 41515,
> > 41516,
> > 41517,
> > 41518,
> > 41519,
> > 41520,
> > 41521,
> > 41522,
> > 41523,
> > 41524,
> > 41525,
> > 41526,
> > 41527,
> > 41528,

>
> Remove the extra comma.
>
> > )
> > end;

>
> Remove 'end'.
>
> > Commit;

>
> Joe
>
>



--
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Atenciosamente (Sincerely)
Ezequias Rodrigues da Rocha
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
A pior das democracias ainda é melhor do que a melhor das ditaduras
The worst of democracies is still better than the better of dictatorships
http://ezequiasrocha.blogspot.com/

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  #4 (permalink)  
Old 04-19-2008, 03:05 PM
Roberto Fichera
 
Posts: n/a
Default Re: Open a Transaction

At 17.50 08/02/2007, Ezequias Rodrigues da Rocha wrote:
>Hi list,
>
>Could someone tell me what is wrong on this statement ?
>
>Start Transaction
>delete from base.something
>where
>id in(
>41503,
>41504,
>41505,
>41506,
>41507,
>41508,
>41509,
>41510,
>41511,
>41512,
>41513,
>41514,
>41515,
>41516,
>41517,
>41518,
>41519,
>41520,
>41521,
>41522,
>41523,
>41524,
>41525,
>41526,
>41527,
>41528,

^
this comma I guess ;-)!

>)
>end;
>Commit;
>
>--
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Atenciosamente (Sincerely)
> Ezequias Rodrigues da Rocha
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
>A pior das democracias ainda é melhor do que a melhor das ditaduras
>The worst of democracies is still better than the better of dictatorships
>http://ezequiasrocha.blogspot.com/
>
>---------------------------(end of broadcast)---------------------------
>TIP 6: explain analyze is your friend
>


Roberto Fichera.


---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match

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  #5 (permalink)  
Old 04-19-2008, 03:05 PM
Andrew Sullivan
 
Posts: n/a
Default Re: Open a Transaction

On Thu, Feb 08, 2007 at 03:13:16PM -0200, Ezequias Rodrigues da Rocha wrote:
>
> Any suggestion instead of change my max_stack_depth ?


Well, I suppose you could put the numbers in a temp table an NOT IN
on that.

A

--
Andrew Sullivan | ajs@crankycanuck.ca
The fact that technology doesn't work is no bar to success in the marketplace.
--Philip Greenspun

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  #6 (permalink)  
Old 04-19-2008, 03:05 PM
Tom Lane
 
Posts: n/a
Default Re: Open a Transaction

"Ezequias Rodrigues da Rocha" <ezequias.rocha@gmail.com> writes:
> Now the sql is OK but now I have the following error:


> ERROR: stack depth limit exceeded
> SQL state: 54001
> Hint: Increase the configuration parameter "max_stack_depth".


> In the previous e-mail I hide the numbers of itens of my set
> (in(234,12332,1232,....) actually I have more than 36000 subsets of my IN
> statement.


That's probably well past the point at which you should expect IN (list)
to give reasonable performance. Instead consider putting the values
into a temp table and writing a join or IN (subselect) against the temp table.

regards, tom lane

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  #7 (permalink)  
Old 04-19-2008, 03:05 PM
Ezequias Rodrigues da Rocha
 
Posts: n/a
Default Re: Open a Transaction

I increase the "max_stack_depth" and the In statemen run OK.

I don't know if it is good to put this variable as big as possible or as the
manual report (using ulimit -s) to put the larger stack capacity of
Operational System.

Ezequias

2007/2/8, Andrew Sullivan <ajs@crankycanuck.ca>:
>
> On Thu, Feb 08, 2007 at 03:13:16PM -0200, Ezequias Rodrigues da Rocha
> wrote:
> >
> > Any suggestion instead of change my max_stack_depth ?

>
> Well, I suppose you could put the numbers in a temp table an NOT IN
> on that.
>
> A
>
> --
> Andrew Sullivan | ajs@crankycanuck.ca
> The fact that technology doesn't work is no bar to success in the
> marketplace.
> --Philip Greenspun
>
> ---------------------------(end of broadcast)---------------------------
> TIP 3: Have you checked our extensive FAQ?
>
> http://www.postgresql.org/docs/faq
>




--
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Atenciosamente (Sincerely)
Ezequias Rodrigues da Rocha
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
A pior das democracias ainda é melhor do que a melhor das ditaduras
The worst of democracies is still better than the better of dictatorships
http://ezequiasrocha.blogspot.com/

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