Re: Proposal for resolving casting issues

Tom Lane wrote:
> Note that if you write, say,
> set numericcol = numericcol * 3.14159;
> my proposal would do the "right thing" since the constant would be typed
> as numeric to start with and would stay that way. To do what you want
> with a float variable, it'd be necessary to write
> set numericcol = numericcol * float4col::numeric;
> which is sort of ugly; but no uglier than
> set float4col = float4col * numericcol::float4;
> which is what you'd have to write if the system preferred numeric and
> you wanted the other behavior.

I need a clarification. In the non-assignment case, does:

WHERE numericcol = numericcol * 3.14159

evaluate "numericcol * 3.14159" as a numeric?

And does:

WHERE 5.55 = numericcol * 3.14159

evaluate "numericcol * 3.14159" as a numeric too?

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073