Tom Lane wrote:
Don Y <[EMAIL PROTECTED]> writes:
I'm writing a set of casts to/from various user defined
types. As is unexpected, there are cases where one
data type doesn't neatly map to another (for certain
values). In these cases I emit an INVALID_PARAMETER_VALUE
or OUT_OF_RANGE error -- depending on the situation.
But, should I also PG_RETURN_NULL()?
elog(ERROR) doesn't return to your function --- think of it as being
like exit(). So it's pointless to code anything after it.
Ah, OK. "/* NOT REACHED */"
Thanks!
--don
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