Re: nextval increments by 2 in pl/sql procedure

I'm not sure, but would concurrency be an issue here?

With Warm Regards,
Manav.

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Wednesday, August 14, 2002 5:28 AM

> Where do you call your procedure?
> If you are running the code through IAS you (ias) will start more than one
> session (if you are using SSO), so depending on where you are calling your
> procedure it migth be called more than once. Could you please give some
> more information.
>
> /torben
> >-- Original Message --
> >Date: Tue, 13 Aug 2002 14:34:13 -0800
> >To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> >Reply-To: ORACLE-L_at_fatcity.com
> >From: "Danny Hughes" <DHUGHES_at_knobias.com>
> >Subject: nextval increments by 2 in pl/sql procedure
> >
> >
> >hello all,
> >
> >I have a pl/sql procedure that selects the nextval from a sequence. The
> >problem is that it incrrements the sequence by 2 in a pl/sql procedure.
>
> >If I select the nextval from a sqlplus session, it works fine.
> >
> >here is partial code that I am using.
> >
> >PROCEDURE NEWTRANSACTION (v_storyid IN story.story_id%type,
> > v_transid OUT
story_transaction.trans_id%type
> >) IS
> >
> >BEGIN
> > select story_transaction_seq.nextval into v_transid from dual;
> >.....
> >END
> >
> >for debugging purposes, I made that code look like...
> >
> >PROCEDURE NEWTRANSACTION (v_storyid IN story.story_id%type,
> > v_transid OUT
story_transaction.trans_id%type
> >) IS
> >
> >v_value1 NUMBER; --debug code
> >v_value2 NUMBER; --debug code
> >
> >BEGIN
> > select story_transaction_seq.currval into v_value1 from dual; --debug
> code
> > select story_transaction_seq.nextval into v_transid from dual;
> > select story_transaction_seq.currval into v_value2 from dual; --debug
> code
> >
> >.....
> >END
> >
> >
> >when I ran this, v_value1 had a 200, v_transid had a 201, and v_value2
> had
> >a 202
> >
> >taking the debug code out and hitting that procedure with a web page will
> >increment the v_transid by 2 each refresh of the page.
> >
> >am i doing something wrong? I can't find any information on the web
related
> >to this issue.
> >
> >TIA
> >
> >
> >Danny Hughes
> >DBA
> >Knobias.com
> >601-978-3399 x103
> >dhughes_at_knobias.com
> >www.knobias.com
> >
> >--
> >Please see the official ORACLE-L FAQ: http://www.orafaq.com
> >--
> >Author: Danny Hughes
> > INET: DHUGHES_at_knobias.com
> >
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> ----------------------------------------------------
> Torben Holm
> Miracle A/S
>
> Mobil : +45 2527 7104
> torben.holm_at_miracleas.dk
> http://miracleAS.dk
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author:
> INET: torben.holm_at_miracleas.dk
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Manavendra Gupta
  INET: manav_at_zycus.com

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