[GENERAL] Automatic joins?

2004-01-17 Thread Leif K-Brooks
I tried posting this before, but I don't think it got posted. Sorry if it did. According to the Wikipedia article on PostgreSQL (http://en.wikipedia.org/wiki/PostgreSQL), it has a feature for automatic joins: "SELECT u.* FROM user u, address a WHERE a.city='New York' and a.user_name=u.user_name I

[GENERAL] Automatic joins?

2004-01-17 Thread Leif K-Brooks
According to the Wikipedia article on PostgreSQL (http://en.wikipedia.org/wiki/PostgreSQL), it has a feature for automatic joins: "SELECT u.* FROM user u, address a WHERE a.city='New York' and a.user_name=u.user_name In Postgres the relationship between users and addresses can be explicity de

Re: [GENERAL] I got bit by that darn GEQO setting again...

2004-01-17 Thread Tom Lane
Mike Mascari <[EMAIL PROTECTED]> writes: > as you can see, over ten runs for each category, GEQO loses big. I get > (in seconds): > label | count | avg | stddev > -+---++- > NO GEQO PLAN|10 | 0.8809 | 0.0056460408

Re: [GENERAL] I got bit by that darn GEQO setting again...

2004-01-17 Thread Mike Mascari
Tom Lane wrote: Mike Mascari <[EMAIL PROTECTED]> writes: Tom Lane wrote: Uh ... dare I ask whether you think it's too high? Or too low? Too low. In fact, after testing some of my queries which are a bit large (# of tables) in size, I usually just wind up turning it off. Well

Re: [GENERAL] How should I get started?

2004-01-17 Thread Keith C. Perry
Quoting Leif K-Brooks <[EMAIL PROTECTED]>: > I've been programming web applications in PHP/MySQL for a few years. > It's worked pretty well, but I've been getting annoyed with the lack of > more advanced features lately. After some reading, I've decided to > switch to Perl/PostgreSQL. > > I'll

Re: [GENERAL] How should I get started?

2004-01-17 Thread Tom Lane
Shridhar Daithankar <[EMAIL PROTECTED]> writes: > http://developer.postgresql.org/docs/postgres/tutorial.html > Just remember, this is a developer version of documentation and subject to > change. Better stick to local documentation of a released version You should really only use the above link

Re: [GENERAL] I got bit by that darn GEQO setting again...

2004-01-17 Thread Tom Lane
Mike Mascari <[EMAIL PROTECTED]> writes: > Tom Lane wrote: >> Uh ... dare I ask whether you think it's too high? Or too low? >> > Too low. In fact, after testing some of my queries which are a bit large > (# of tables) in size, I usually just wind up turning it off. Well, that's why it's config

Re: [GENERAL] How should I get started?

2004-01-17 Thread Joshua D. Drake
You should look into the tutorial. http://developer.postgresql.org/docs/postgres/tutorial.html Look for postgresql documentation in your install. It should have it as well. Also you could look at http://www.varlena.com which publishes mini howtos based on discussions on this list. Also yo

Re: [GENERAL] 7.4 -> 7.4.1 upgrade with customization on freebsd

2004-01-17 Thread Joshua D. Drake
Hello, Well... 7.4 to 7.4.1 is a direct upgrade. You do not have to do a reinitdb which means you do not have to reconfigure the system. I can't help you with your BSD specific issues (I don't know much about it) but from the PostgreSQL perspective, you should be abble to just upgrade. One n

[GENERAL] unsubscribe

2004-01-17 Thread sibu xolo
unsubscribe ---(end of broadcast)--- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html

Re: [GENERAL] How should I get started?

2004-01-17 Thread Shridhar Daithankar
On Saturday 17 January 2004 16:19, Leif K-Brooks wrote: > I've been programming web applications in PHP/MySQL for a few years. > It's worked pretty well, but I've been getting annoyed with the lack of > more advanced features lately. After some reading, I've decided to > switch to Perl/PostgreSQL.

[GENERAL] How should I get started?

2004-01-17 Thread Leif K-Brooks
I've been programming web applications in PHP/MySQL for a few years. It's worked pretty well, but I've been getting annoyed with the lack of more advanced features lately. After some reading, I've decided to switch to Perl/PostgreSQL. I'll be discarding all database data for other reason anyway

Re: [GENERAL] I got bit by that darn GEQO setting again...

2004-01-17 Thread Mike Mascari
Tom Lane wrote: Mike Mascari <[EMAIL PROTECTED]> writes: But just as a quick notice to those upgrading from 7.3 to 7.4 with fully normalized databases requiring > 11 joins, the GEQO setting can be a killer... Uh ... dare I ask whether you think it's too high? Or too low? Too low. In