Hi Tom,

On Feb 20, 2018, at 10:54 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:

> Well, the implicit coercions work in your favor in this particular case.

Ah, I wasn’t aware of implicit coercion. Yes, that solves the problem 
perfectly, thanks.

Out of curiosity, how does one read a numeric type from within a C extension 
(i.e. get a number value out of the Datum type)? I ask as I was unable to find 
an example and there are a few open questions on Stack Overflow (e.g. 


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