DateTime value in year 1601 throws 'value exceeds the range for valid timestamp'

                 Key: CORE-5352
             Project: Firebird Core
          Issue Type: Bug
          Components: Engine
    Affects Versions: 2.5.5
         Environment: Windows 10, Accessing with Delphi through UniDac 
            Reporter: NoƩmie Petignat

Dear all, 

We are migrating our customers from FB 2.1.5 to FB 2.5.5 (I use 
for my tests)

I sometimes have dates values like "January the 4th of 1601" in a DATETIME 

With FB 2.1.5. No problem, I can manage this kind of value. 
With FB 2.5.5, I got the message "value exceeds the range for valid timestamp"
I can't neither access the data nor backup the database.

I have checked the CORE-3493 issue which apparently says that this problem have 
been solved in 2.5.1 version. 

How can I fix this problem?


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