[GENERAL] Database Design for Components and Interconnections

2011-03-19 Thread ray
I am looking for some help in database design. I would like to design a database to help design alternative designs of a basic electronic circuit design. I have a list of components that will be interconnected for a basic design. Additional components and associated connections are identified fo

[GENERAL] How do you stop the log from rotating on restart?

2011-03-19 Thread runner
Postgres 9.0.3 on Solaris 10 Can't seem to figure out how to stop the postgres log file from rotating on a restart of services. log_truncate_on_rotation is commented out log_rotation_age = 1d We just want it to rotate once a day no matter haw many times we restart. Don't see anything else

[GENERAL] WAL shipping replication server re-sync

2011-03-19 Thread Bosco Rama
Hey folks, We're using PG 8.4.7 on two servers that are geographically distant from each other. We run WAL-shipping replication (i.e. constant recovery mode replication) between the two servers. These are the only two servers involved in the setup. When we do the 'fail-over' to swap the master

Re: [GENERAL] How do I do this in plpgsql ?

2011-03-19 Thread Vibhor Kumar
On Mar 19, 2011, at 12:50 AM, Dan S wrote: > > For example if I have a type sample%TYPE > How can I declare a variable that is an array of sample%TYPE > I can't get it to work, is there a way to do it ? Nope, there is no way. However, you can create a userdefined type and can also use array

Re: [GENERAL] Insert value input syntax of an array of types without ARRAY/ROW nor casting?

2011-03-19 Thread Vibhor Kumar
On Mar 19, 2011, at 9:50 PM, Stefan Keller wrote: > Unfortunately it still does'nt work. I get > > ERROR: wrong record constant: »('a'« > LINE 2: 5, $${ ('a', 'aa'), ('b', 'bb') }$$ ); > ^ > DETAIL: Unexpected end of line. Try following, it should work: INSERT INTO mytypetable VA

Re: [GENERAL] triggers and FK cascades

2011-03-19 Thread Vincent Veyron
Le vendredi 18 mars 2011 à 08:20 +, Grzegorz Jaśkiewicz a écrit : > There's a generic trigger that sends a signal to a process whenever > changes are made (via listen/notify mechanism), but when FK cascade > fires it will cause a mass amount of notifies to be send out and I > want to avoid it.

Re: [GENERAL] Insert value input syntax of an array of types without ARRAY/ROW nor casting?

2011-03-19 Thread Stefan Keller
Thank you for the hint. Unfortunately it still does'nt work. I get ERROR: wrong record constant: »('a'« LINE 2: 5, $${ ('a', 'aa'), ('b', 'bb') }$$ ); ^ DETAIL: Unexpected end of line. Yours, S. 2011/3/19 Alban Hertroys : > On 19 Mar 2011, at 2:33, Stefan Keller wrote: > >> Given

Re: [GENERAL] query taking much longer since Postgres 8.4 upgrade

2011-03-19 Thread Tomas Vondra
Dne 18.3.2011 19:18, Merlin Moncure napsal(a): > On Fri, Mar 18, 2011 at 10:42 AM, Davenport, Julie > wrote: >> This helped, is now down from 14.9 min to 10.9 min to run the entire script. >> Thanks. > > can you try disabling nestloop and see what happens? In the session, > before running th

Re: [GENERAL] Insert value input syntax of an array of types without ARRAY/ROW nor casting?

2011-03-19 Thread Alban Hertroys
On 19 Mar 2011, at 2:33, Stefan Keller wrote: > Given the test snippet below, why do the following insert attempts fail? > > The literal constant would be the most intuitive syntax. The attempt > below also closely follows the documentation AFAIK: > http://www.postgresql.org/docs/current/static/a