Robert Haas <> writes:
> On Fri, Dec 23, 2011 at 10:05 AM, Tom Lane <> wrote:
>> I too think a datatype is overkill, if we're only planning on providing
>> one function.

> Are there any other functions we ought to provide?

Even if there are several, what exact advantage does a datatype offer
over representing LSN values as numerics?  It seems to me to be adding
complication and extra code (I/O converters at least) for very little

                        regards, tom lane

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