Re: Re: Use int8 for int4/int2 aggregate accumulators?

> Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> >> create function rtest_viewfunc1(int4) returns int4 as
> >> 'select count(*) from rtest_view2 where a = $1'
> >> language 'sql';
> >> + ERROR: return type mismatch in function: declared to return integer, returns bigint
>
> > Maybe instead of testing for strict equality of the types, test for
> > compatibility.
>
> We could try to force-convert the result of an SQL function to the right
> thing, I suppose, but I'm worried that that might mask programmer errors
> more than it helps.
>
> On the other hand, the equivalent forced conversion happens already in
> plpgsql functions; it's only SQL-language functions that are so picky.
> Maybe your idea is good. Anyone else have an opinion?

I don't know. Doing a force for SQL functions and not for others seems
kind of confusing.

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