Re: Snapshotting Question
Re: Snapshotting Question
- Subject: Re: Snapshotting Question
- From: Chuck Hill <email@hidden>
- Date: Wed, 14 Jan 2004 21:08:39 -0800
No. It means that if something updates a different attribute but does
*not* update LastModDate that the update conflict will go undetected.
Chuck
At 10:58 PM 14/01/2004 -0600, james cicenia wrote:
>While reading the apple documentation someone pointed me to I found
>this quote:
>
>
> SnapshottingWhen Enterprise Objects fetches data, it records the
>state of the fetched database row in a snapshot. The information in a
>snapshot is used to support Enterprise Objects optimistic locking
>mechanism. It is also used when changes are committed back to a data
>source to update only the attributes that were changed since the last
>fetch."
>
>I was thinking that I could just use LastModDate to tell me if a row
>has changed as thus modeled only that attribute for the optimistic
>lock flag. Does this mean that if someone edits a different text
>attribute that it won't get written to the database? Will only the
>LastModDate get updated in the generated SQL because is was flagged
>with the optimistic lock icon in EOModeler?
>
>Thanks
>James
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--
Chuck Hill email@hidden
Global Village Consulting Inc. http://www.global-village.net
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