Re: Review: B-Tree emulation for GIN

On Mon, 2009-01-19 at 21:41 +0300, Teodor Sigaev wrote:
> > And how does GIN handle SQL NULL values in the column? Does it index
> > them at all, or just ignore them?
> SQL NULL: GIN doesn't support it (amindexnulls/amsearchnulls == false)
> C NULL: NULL-numeric could be returned only by gin_extract_query_numeric which 
> cannot be called by user directly because of internal type of argument.
> GIN doesn't do anything with values returned by gin_extract_query_numeric except 
> providing they as an argument for comparing functions.

Ok, I understand now. I will look at this later.

Regards,Jeff Davis