Gregory Stark <[EMAIL PROTECTED]> writes:
> I believe this is happening because the numeric is being cast to float8 and
> then the float4-float8 cross-data-type operator is being used. It seems like
> it would be preferable to cast it to float4 and use the non-cross-data-type
> operator. They're both marked as implicit casts so I'm unclear what decides
> which gets used.
Without having traced through the code, I think the fact that float8 is
a "preferred type" is driving it. It's not clear whether we could
change this without getting into a "can't resolve ambiguous operator"
problem.
> Also, as a side note I was surprised to find the above being parsed as
> -(0.999::numeric(3,3)) rather than (-0.999)::numeric(3,3) is that expected?
Yeah, :: binds VERY tightly.
regards, tom lane
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