On 10/11/07, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Well, it's clearly useful in INSERT and UPDATE. For WHERE cases, you
> might or might not be able to use it, but I note that quote_nullable()
> would work much more like what happens if you use a parameter symbol
> and then bind NULL as the actual parameter value ...
>
> In hindsight we should probably have done quote_literal the way the OP
> suggests, but I concur that it's too late to change it. An additional
> function seems a reasonable compromise.
quote_nullable() works for me. I'll write up a patch.
Cheers,
BJ