On Wednesday 04 February 2009 15:48:41 A B wrote:
> From the manual I read that timestamps are stored as double but they
> can also be stored as 8 byte integers.

The advantage of the integer storage is mainly that calculations and 
comparisons have a predictable error and don't suffer from some of the funny 
business that comes with floating-point calculations.  Performance is 
probably similar.  Integer storage is now the default (and has been in some 
distributions for a while), and would already have been the sole world order 
if 8-byte integer support were universally available.

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