On 2017-09-19 12:57:33 +0300, Konstantin Knizhnik wrote:
>
>
> On 04.09.2017 23:52, Andres Freund wrote:
> >
> > Hi. That piece of code isn't particularly clear (and has a bug in the
> > submitted version), I'm revising it.
>
> ...
> > Yea, I've changed that already, although it's currently
On 04.09.2017 23:52, Andres Freund wrote:
Hi. That piece of code isn't particularly clear (and has a bug in the
submitted version), I'm revising it.
...
Yea, I've changed that already, although it's currently added earlier,
because the alignment is needed before, to access the column
On 2017-09-05 19:43:33 +0100, Greg Stark wrote:
> On 5 September 2017 at 11:58, Konstantin Knizhnik
> wrote:
> >
> > I wonder if we can perform some optimization in this case (assuming that in
> > typical cases column either contains mostly non-null values, either
On 5 September 2017 at 11:58, Konstantin Knizhnik
wrote:
>
> I wonder if we can perform some optimization in this case (assuming that in
> typical cases column either contains mostly non-null values, either mostly
> null values).
If you really wanted to go crazy here
On 2017-09-05 13:58:56 +0300, Konstantin Knizhnik wrote:
>
>
> On 04.09.2017 23:52, Andres Freund wrote:
> >
> > Yea, I've changed that already, although it's currently added earlier,
> > because the alignment is needed before, to access the column correctly.
> > I've also made number of
On 04.09.2017 23:52, Andres Freund wrote:
Yea, I've changed that already, although it's currently added earlier,
because the alignment is needed before, to access the column correctly.
I've also made number of efficiency improvements, primarily to access
columns with an absolute offset if all
Hi,
On 2017-09-04 20:01:03 +0300, Konstantin Knizhnik wrote:
> > I previously had an early prototype of JITing [1] expression evaluation
> > and tuple deforming. I've since then worked a lot on this.
> >
> > Here's an initial, not really pretty but functional, submission. This
> > supports all
On 01.09.2017 09:41, Andres Freund wrote:
Hi,
I previously had an early prototype of JITing [1] expression evaluation
and tuple deforming. I've since then worked a lot on this.
Here's an initial, not really pretty but functional, submission. This
supports all types of expressions, and