Re: [HACKERS] Removing typename from A_Const (was: Empty arrays with ARRAY[])

Tom Lane escribió:
> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> > Brendan Jurd escribi:
> >> Here's my attempt to remove the typename field from A_Const. There
> >> were a few places (notably flatten_set_variable_args() in guc.c, and
> >> typenameTypeMod() in parse_type.c) where the code expected to see an
> >> A_Const with a typename, and I had to adjust for an A_Const within a
> >> TypeCast. Nonetheless, there was an overall net reduction of 34 lines
> >> of code, so I think this was a win.
>
> > Do say ... why don't we do away with A_Const altogether and just replace
> > it with Value? After this patch, I don't see what's the difference.
>
> They're logically different things, and after I get done putting a parse
> location field into A_Const, they'll still be physically different too.

Aha. Are you working from Brendan's patch? I was going to commit it.

--
Alvaro Herrera http://www.CommandPrompt.com/
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