Re: trying to summarize into a new table by time...

* Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> [010602 09:59]:
> > One more question, will the sum() on a bigint column cast to float
> > happen in floating point?
>
> Yes. You don't really need that though. These days there are only
> two flavors of sum(): float8 accumulator (for float8 and float4 inputs)
> and numeric accumulator (for everything else). You don't need to worry
> about overflow anymore. float8 is faster if you don't mind loss of
> precision...
Since I'm looking at order of magnitude type comparisons, the float8
is fine. I don't need to know down to the byte, just comparisons
between orders of magnitudes. ISP's move a *LOT* of data :-)

LER

>
> regards, tom lane

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Larry Rosenman http://www.lerctr.org/~ler
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