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Date: Sun, 26 Oct 2014 15:59:43 +0700
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 <CACNfe4-fu0vHj17KAfpnC9_Nh6OALQLuGVTj5YfR3jqM03RsUg@mail.gmail.com>
Subject: Re: Re: Can we add auto-increment column in Ofbiz?
From: =?UTF-8?B?TMOqIFbEg24gVGhp4buHcA==?= <lethiep.bk@gmail.com>
To: user@ofbiz.apache.org
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Hi wulei

You can use either <sequence-id-to-env ...> in minilang or
delegator.getNextSeqId(...) in Java.  The id sequence numbers are
stored in an entity SequenceValueItem.


2014-10-26 15:30 GMT+07:00 wulei.bj.cn@gmail.com <wulei.bj.cn@gmail.com>:

> Taher,
>
> Thanks so much for your opinions! Could anyone help describe 'Sequences'
> more, on details of how to leverage this feature to make an column
> auto-incremented? Thanks in advance.
> --
> =E5=8F=91=E8=87=AA=E6=88=91=E7=9A=84ONEPLUS=E6=99=BA=E8=83=BD=E6=89=8B=E6=
=9C=BA
>
> Taher Alkhateeb <slidingfilaments@gmail.com>=E7=BC=96=E5=86=99=EF=BC=9A
>
> >Hi
> >
> >Two answers come to mind:
> >
> >1- you do not need this feature because it exists at the application lev=
el
> >which you can also customize with services. Sequences are one such place=
.
> >
> >2- the whole purpose of the entity engine is to abstract the databases a=
nd
> >provide independebce at the application level.
> >
> >So my opinion is not to focus on databases ever for any kind of logic. M=
y
> 2
> >cents.
> >
> >Taher Alkhateeb
> >On Oct 26, 2014 6:22 AM, "wulei.bj.cn@gmail.com" <wulei.bj.cn@gmail.com>
> >wrote:
> >
> >> Guys,
> >>
> >> We all know lots of databases support auto-increment columns, how can =
we
> >> define such columns in ofbiz's entitymodel.xml file? Or other means to
> >> implement this ?
> >>
> >> --
> >> =E5=8F=91=E8=87=AA=E6=88=91=E7=9A=84ONEPLUS=E6=99=BA=E8=83=BD=E6=89=8B=
=E6=9C=BA
>


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