On 3/30/12 7:29 AM, Tom Lane wrote:
Arun Chaitanya chaitan64a...@gmail.com writes:
The link to the paper is
http://www.iith.ac.in/~ravig/courses/cs5050/papers/decorrelation-cesar.pdf
Given the authorship of that paper, I'd have to wonder whether Microsoft
has filed for any patents regarding
Hi,
I wanted to take up this as a GSOC 2012 project.
SQL supports nested queries. When the inner query contains a
correlation variable the present optimizer takes an iterative
execution plan. If the inner query scans over a relation, the
iterative plan chosen can be sub-optimal.
The goal of
On Fri, Mar 30, 2012 at 7:33 AM, Arun Chaitanya chaitan64a...@gmail.com wrote:
I wanted to take up this as a GSOC 2012 project.
This would be a great query planner optimization but the chances of
getting it done in one summer as a GSoC project seem to me to be nil.
You've never had a patch
Thanks a lot Heikki.
I have already posted an example in the mail.
The link to the paper is
http://www.iith.ac.in/~ravig/courses/cs5050/papers/decorrelation-cesar.pdf
Hope this helps,
Arun
On Fri, Mar 30, 2012 at 5:32 PM, Heikki Linnakangas
heikki.linnakan...@enterprisedb.com wrote:
(off-list)
Thanks Robert,
Yes. I think I am being over ambitious as I never had any Open Source
development experience.
Anyways, please go through the idea. I have posted the link to the
paper in on of the replies.
Please, suggest me other options which I can take up as a GSOC 2012 project.
On Fri, Mar
Arun Chaitanya chaitan64a...@gmail.com writes:
The link to the paper is
http://www.iith.ac.in/~ravig/courses/cs5050/papers/decorrelation-cesar.pdf
Given the authorship of that paper, I'd have to wonder whether Microsoft
has filed for any patents regarding these ideas.