Depending on your database Timestamp fields don't always compare equal. They often differ at the millisecond value.
For which databases is this true?
regards, David

IIRC, Postgresql and Oracle are the ones that have bitten people on this mailing list. Or was it MySQL? Then again, maybe I am not recalling correctly. That's what search engines are for

For PostgreSQL and for Oracle you can find Plugins in Project Wonder which extend the plugins from WO, i've added some 'bugfixes' for timestamps. The main issue is that the default plugin and the Oracle plugin do not store milliseconds in the database.

Locking on a timestamp column is working without any problem, at least if one uses these plugins from project wonder.

regards, David
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