On Fri, Mar 28, 2008 at 2:04 PM, ITAGAKI Takahiro <
[EMAIL PROTECTED]> wrote:
>
> "Gokulakannan Somasundaram" <[EMAIL PROTECTED]> wrote:
>
> > I think the creation of minimal_tuple in the middle is a overhead which
> can
> > be avoided by creating a mem-map and directly creating the minimal_tuple
"Gokulakannan Somasundaram" <[EMAIL PROTECTED]> wrote:
> I think the creation of minimal_tuple in the middle is a overhead which can
> be avoided by creating a mem-map and directly creating the minimal_tuple in
> the mem-map.
Many implementations of mem-map disallow to extend the sizes.
Do you h
Hi,
I had a chance to go through the Hash join code of Postgresql and had the
following thoughts.
- Currently postgres takes the heaptuple from the slot and creates and
minimal_tuple and copies it into the temp file.
I think the creation of minimal_tuple in the middle is a overhead which can
b
