"Jacques Gollion" <[EMAIL PROTECTED]> writes:
> The following functions returns the first time the right date and time but
> when called at several date and time returns the date that was returned at
> the first call.

Please read
http://www.postgresql.org/docs/8.1/static/functions-datetime.html#FUNCTIONS-DATETIME-CURRENT

> To get again the right date, it is necessary do disconnect and reconnect.

A fresh transaction is sufficient.

                        regards, tom lane

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