I use BigDecimal all the time as a locking attribute and haven't ever had any 
issue with it.

Dave

On Dec 9, 2009, at 11:43 AM, Kieran Kelleher wrote:

> Am I dreaming in thinking that I saw a discussion at some time in the past 
> that there is some flaw with using BigDecimals as reliable* optimistic 
> locking attributes? ..... or was that just NSTimestamps and float/double type 
> values? ..... Google is not helping me to find the answer. Anyone recollect 
> the situation with BigDecimal reliability as optimistic locking attributes?
> 
> Regards, Kieran
> 
> *reliable = works 100% of the time
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David Avendasora
Senior Software Engineer
K12, Inc.

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