Where do I put this?
Can't find the generate property. Is it possible with ActiveRecord or is it
only possible with NHibernate?
I thought it should be something like this:
[Property(Insert = false, Update = false, Generate = true)]
public int OrderId { get; set; }
But Generate does not exist.
On Thu, Feb 12, 2009 at 9:50 AM, Ayende Rahien <[email protected]> wrote:
> insert = false, update = false, generate = true.
>
>
> On Thu, Feb 12, 2009 at 10:43 AM, Martin Nilsson <[email protected]>wrote:
>
>> I tried with Formula and update=false but no success
>> Have to look into Formula a little bit more.
>>
>>
>> On Thu, Feb 12, 2009 at 9:27 AM, Jimmy Shimizu
>> <[email protected]>wrote:
>>
>>>
>>> Wouldn't it be possible to have a
>>>
>>> [Field("some_auto_incrementing_field_in_db", Update = false)]
>>> public int OrderNumber;
>>>
>>> perhaps? I'm trying the Update = false thing right now myself, I'll let
>>> you know if I'm successful :)
>>>
>>>
>>> Martin Nilsson wrote:
>>> > Number 1, is that possible with AR? I can't have it as a primary key
>>> > but as a normal property. Tried a little bit with the Formula
>>> > parameter for PropertyAttribute but didn't had any progress there
>>> either.
>>> >
>>> > [ActiveRecord]
>>> > public class Order
>>> > {
>>> > [PrimaryKey(PrimaryKeyType.GuidComb)]
>>> > public Guid Id {get; set;}
>>> >
>>> > [Property(??)]
>>> > public int OrderNumber {get; set;}
>>> > }
>>> >
>>> > On Wed, Feb 11, 2009 at 3:29 PM, Ken Egozi <[email protected]
>>> > <mailto:[email protected]>> wrote:
>>> >
>>> > off the top of my head:
>>> > 1. you can set it as a readonly property, and have the DB initiate
>>> > the value (in SQL server use IDENTITY(1000, 1) ). I think you'd
>>> > need to set the field as int? so it won't try to save 0 to the DB
>>> > 2. call the DB when inserting to get the highest OrderNumber and
>>> > plus 1 it
>>> > 3. If you know for sure that only the application can access the
>>> > DB, you might consider setting a variable with the last
>>> > OrderNumber, increasing it when needed with an appropriate logging
>>> > mechanism.
>>> >
>>> >
>>> > On Wed, Feb 11, 2009 at 4:15 PM, Martin Nilsson
>>> > <[email protected] <mailto:[email protected]>> wrote:
>>> >
>>> > How do I best setup my active record class to have a natural
>>> > key. Instead of guid as order number I want a sequence that
>>> > starts with 10000 for example.
>>> >
>>> > [ActiveRecord]
>>> > public class Order
>>> > {
>>> > [PrimaryKey(PrimaryKeyType.GuidComb)]
>>> > public Guid Id {get; set;}
>>> >
>>> > [??]
>>> > public int OrderNumber {get; set;}
>>> > }
>>> >
>>> > Note that I will still have guid as id to keep track of if it
>>> > is saved or not but I want to show the customer a more
>>> > friendly order number.
>>> >
>>> >
>>> >
>>> >
>>> >
>>> > --
>>> > Ken Egozi.
>>> > http://www.kenegozi.com/blog
>>> > http://www.delver.com
>>> > http://www.musicglue.com
>>> > http://www.castleproject.org
>>> > http://www.gotfriends.co.il
>>> >
>>> >
>>> >
>>> >
>>> > >
>>>
>>>
>>>
>>
>>
>>
>
> >
>
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