I have gone through the source code a bit but I wanted to know that which
file contains the code that performs the final SLECTION after the optimizer
has created the final plan? I mean which part of the executor is responsible
for the SELCT to be run?
Can someone tell me the file which governs
On sön, 2010-10-10 at 13:32 +0530, Vaibhav Kaushal wrote:
I have gone through the source code a bit but I wanted to know that
which file contains the code that performs the final SLECTION after
the optimizer has created the final plan? I mean which part of the
executor is responsible for the
Thanks for the reply.
So if I am not wrong, I will have to understand the whole querying process
in detail? If it is so, then where do I start from?
-Vaibhav
On Sun, Oct 10, 2010 at 1:41 PM, Peter Eisentraut pete...@gmx.net wrote:
On sön, 2010-10-10 at 13:32 +0530, Vaibhav Kaushal wrote:
I
On 2010-10-07 5:21 AM +0300, Steve Singer wrote:
Since no one else has proposed a better idea and the commit fest is ticking
away I think you should go ahead and do that.
Here's a new version of the patch, deprecating pg_parse_and_rewrite.
I duplicated the parse/rewrite logic in the two
2010/10/10 Vaibhav Kaushal vaibhavkaushal...@gmail.com:
Thanks for the reply.
So if I am not wrong, I will have to understand the whole querying process
in detail? If it is so, then where do I start from?
-Vaibhav
On Sun, Oct 10, 2010 at 1:41 PM, Peter Eisentraut pete...@gmx.net wrote:
On
Vaibhav Kaushal vaibhavkaushal...@gmail.com writes:
So if I am not wrong, I will have to understand the whole querying process
in detail? If it is so, then where do I start from?
If you haven't seen it already, this is a good place to start:
Sorry, I'm pretty *unconversant in git. Now, it should be ok.*
With best regards,
Alexander Korotkov.
*** a/contrib/fuzzystrmatch/fuzzystrmatch.c
--- b/contrib/fuzzystrmatch/fuzzystrmatch.c
***
*** 61,66 PG_MODULE_MAGIC;
--- 61,68
*/
extern Datum
The PostgreSQL documentation (9.0.1) has the following section in section
44.5.1:
The planner preferentially considers joins between any two relations for
which
there exist a corresponding join clause in the WHERE qualification (i.e., for
which a restriction like
where rel1.attr1=rel2.attr2
Vaibhav Kaushal vaibhavkaushal...@gmail.com writes:
Can someone tell me what are 'Join Pairs with no Join clause' ? I am not
able to figure that out!
Consider
select * from t1, t2, t3 where t1.a = t2.x and t1.b = t3.y;
In theory this query could be done by first joining t2 and t3,
Thanks to both hitoshi and tom for your replies.
I think I need to look into the Postgres code itself (I am better at code
than documentation). But since I have not been touch with C lately (these
days I am programming on PHP) I think I have forgot a few rules of game
(afterall PHP is so much
Bernd Helmle maili...@oopsware.de writes:
--On 8. September 2010 09:00:33 +0100 Dean Rasheed
dean.a.rash...@gmail.com wrote:
Here's an updated version with improved formatting and a few minor
wording changes to the triggers chapter.
This version doesn't apply clean anymore due to some
On Sun, Oct 10, 2010 at 10:51:54PM +0530, Vaibhav Kaushal wrote:
However, I find too many references to the Data structure datum what is it
and where is it defined? Can someone tell me please? Also, what role does it
play?
Datum is the singular form of data. It refers to a single item of
any
Dean Rasheed dean.a.rash...@gmail.com writes:
In the meantime, the attached variation of the patch fixes the temp
file issue and will support all 3 cases. It gives OK performance for
(1) and (2), and poor performance for (3). That could be viewed as a
future development task, which perhaps the
On 10.10.2010 23:38, Dimitri Fontaine wrote:
So I'm beginning to work on the extension support for dump and restore,
and that begins with a new pg_extension catalog. I managed to break
initdb already, of course, but I'm fighting my way out — no luck with
gdb, it won't catch the Assert failure
On Oct 10, 2010, at 12:57 AM, Gurjeet Singh singh.gurj...@gmail.com wrote:
On Tue, Sep 21, 2010 at 12:55 AM, Robert Haas robertmh...@gmail.com wrote:
All the build products in a normal build. One of the infelicities of
git is that 'git status' shows the untracked files at the bottom. So
if
Dimitri Fontaine dimi...@2ndquadrant.fr writes:
How to have gdb help me? What's my error, that I guess is obvious?
Might have something to do with using the same OID for the catalog
and its index ...
regards, tom lane
--
Sent via pgsql-hackers mailing list
I want to create this function:
CREATE OR REPLACE FUNCTION myfunction(cstring)
RETURNS cstring AS
'$libdir/mylib','myfunction'
LANGUAGE 'C' IMMUTABLE STRICT;
In windows this is working fine and $libdir is substituted by the actual
path. In linux it is not substituted!
This is the error I get:
Pavel Stehule pavel.steh...@gmail.com writes:
2010/10/4 Itagaki Takahiro itagaki.takah...@gmail.com:
We don't have commands for display a list of such variables and \echo is
not tab-completed even with the patch. Only supported by \set might be
a bit unbalanced.
it's good idea. I looked on
Marios Vodas mvo...@gmail.com writes:
I want to create this function:
CREATE OR REPLACE FUNCTION myfunction(cstring)
RETURNS cstring AS
'$libdir/mylib','myfunction'
LANGUAGE 'C' IMMUTABLE STRICT;
In windows this is working fine and $libdir is substituted by the actual
path. In linux it
On Oct 10, 2010, at 12:21 PM, Vaibhav Kaushal wrote:
Thanks to both hitoshi and tom for your replies.
I think I need to look into the Postgres code itself (I am better at code
than documentation). But since I have not been touch with C lately (these
days I am programming on PHP) I think
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