Re: [ADMIN] Catalog

2008-07-24 Thread H. Hall

Travis Smith wrote:

There are tools that allow you to reverse engineer schemas.. or to generate 
ERD's .. visio comes to mind.  It works on odbc connections.


  
Schema Spy is a slick tool and is free. Works well with postgres.  You 
can find it at source forge:


http://schemaspy.sourceforge.net/

Here is their description:


 Graphical Database Schema Metadata Browser


SchemaSpy is a Java-based tool (requires Java 1.4 or higher) that 
analyzes the metadata of a schema in a database and generates a visual 
representation of it in a browser-displayable format. It lets you click 
through the hierarchy of database tables via child and parent table 
relationships. The browsing through relationships can occur though HTML 
links and/or though the graphical representation of the relationships. 
It's also designed to help resolve the obtuse errors that a database 
sometimes gives related to failures due to constraints.


Cheers,
HH

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Sergio Gabriel 
Rodriguez
Sent: Wednesday, July 23, 2008 10:32 AM
To: pgsql-admin@postgresql.org
Subject: [ADMIN] Catalog

Hi for all,
 is possible to get PostgreSQL Catalog EER diagram? where can I get it?

regards

Sergio Gabriel Rodriguez

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[ADMIN] Upgrade clients when (major) upgrading server?

2008-07-24 Thread Chris Bovitz
We have 8.1.3 on our operational and development database servers and 
will upgrade to 8.3.3 (development) and 8.2.9 (operations) soon.  (We 
will not upgrade both systems' databases now because we've already 
tested 8.2 on our web server database for the past year, so it's already 
spent time in development.)  I have read through the server upgrade 
notes, and they seem to be pretty self-explanatory.  It's even mentioned 
how to upgrade the client.  And that's where my questions lie.


The clients on our workstations were installed when our 8.1.3 was 
installed, which I was not involved with.  When I do psql --version on 
a client machine, it says 8.0.3.  When I do this on the server, I get 
8.1.3.


Do we need to upgrade the clients?  Should we?  If so to which version?  
What is involved with that?  That is, other than the note in the 
upgrade/installation man pages, is there a set of instructions for 
upgrading the client-side software?  If we don't have to upgrade now, 
when would we have to?  Are there any things to watch for I should be 
aware of?


Thanks.


Chris


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[ADMIN] -O not working

2008-07-24 Thread Marc Fromm
I backed up all my databases using:
pg_dumpall -O -c -U postgres  /tmp/pgalldb2
-O to remove owners on all objects
-c to drop databases before recreating them during the restore to prevent 
duplicate records

I restored all the databases with this command
psql -U postgres -f /tmp/pgalldb2 postgres

I tried to drop a user but was denied with the message, . . . some objects 
depend on it.

Why isn't the -O flag not removing the owner from all objects?

Thanks

Marc

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Re: [ADMIN] -O not working

2008-07-24 Thread Joshua D. Drake
On Thu, 2008-07-24 at 10:20 -0700, Marc Fromm wrote:
 I backed up all my databases using:
 pg_dumpall -O -c -U postgres  /tmp/pgalldb2
 -O to remove owners on all objects
 -c to drop databases before recreating them during the restore to
 prevent duplicate records
 
 I restored all the databases with this command
 psql -U postgres -f /tmp/pgalldb2 postgres
 
 I tried to drop a user but was denied with the message, . . . some
 objects depend on it.
 
 Why isn't the -O flag not removing the owner from all objects?

Your problem is likely the -c not the -O. In your target database you
have a role that owns objects. You can't drop a role if it owns objects.

Joshua D. Drake

 
 Marc
 
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Re: [ADMIN] Upgrade clients when (major) upgrading server?

2008-07-24 Thread Scott Marlowe
On Thu, Jul 24, 2008 at 9:00 AM, Chris Bovitz
[EMAIL PROTECTED] wrote:
 We have 8.1.3 on our operational and development database servers and will
 upgrade to 8.3.3 (development) and 8.2.9 (operations) soon.  (We will not
 upgrade both systems' databases now because we've already tested 8.2 on our
 web server database for the past year, so it's already spent time in
 development.)  I have read through the server upgrade notes, and they seem
 to be pretty self-explanatory.  It's even mentioned how to upgrade the
 client.  And that's where my questions lie.

 The clients on our workstations were installed when our 8.1.3 was installed,
 which I was not involved with.  When I do psql --version on a client
 machine, it says 8.0.3.  When I do this on the server, I get 8.1.3.

 Do we need to upgrade the clients?  Should we?  If so to which version?
  What is involved with that?  That is, other than the note in the
 upgrade/installation man pages, is there a set of instructions for upgrading
 the client-side software?  If we don't have to upgrade now, when would we
 have to?  Are there any things to watch for I should be aware of?

From the perspective of libpq it's not a huge deal, but psql needs to
match to make the \ commands work properly.  Upgrading the client is
pretty simple.  Remove the old client packages and install the new
ones.

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[ADMIN] restoring from pg_dumpall

2008-07-24 Thread Marc Fromm
If I restore all the postgresql databases from pg_dumpall and use the -c to 
drop databases before restoring them the size of the base directory 
dramatically increases with each restore (193MB to 355MB to 624MB). If I run 
vacuumdb, it only drops by a few MB.

If I do the long process by:
1. stopping the postmaster
2. deleting all contents in the data folder
3. run initdb -D /var/lib/pgsql/data
4. start the postmaster
5. restore of all databases from the same pg_dumpall
the size of the base directory does not balloon.

I have searched online for optimized backup and restore procedures for 
postgresql, so far all I have found are the postgresql.org documents which are 
a little vague on the subject.

I must assume there is a better method than my long process that does not bloat 
the size of the base directory (the databases) as the -c flag seems to do.

Marc


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Re: [ADMIN] Upgrade clients when (major) upgrading server?

2008-07-24 Thread Chris Bovitz





Scott Marlowe wrote:

  On Thu, Jul 24, 2008 at 9:00 AM, Chris Bovitz
[EMAIL PROTECTED] wrote:
  
  
We have 8.1.3 on our operational and development database servers and will
upgrade to 8.3.3 (development) and 8.2.9 (operations) soon.  (We will not
upgrade both systems' databases now because we've already tested 8.2 on our
web server database for the past year, so it's already spent time in
"development.")  I have read through the server upgrade notes, and they seem
to be pretty self-explanatory.  It's even mentioned how to upgrade the
client.  And that's where my questions lie.

The clients on our workstations were installed when our 8.1.3 was installed,
which I was not involved with.  When I do "psql --version" on a client
machine, it says "8.0.3".  When I do this on the server, I get "8.1.3".

Do we need to upgrade the clients?  Should we?  If so to which version?
 What is involved with that?  That is, other than the note in the
upgrade/installation man pages, is there a set of instructions for upgrading
the client-side software?  If we don't have to upgrade now, when would we
have to?  Are there any things to watch for I should be aware of?

  
  
From the perspective of libpq it's not a huge deal, but psql needs to
match to make the \ commands work properly.  Upgrading the client is
pretty simple.  Remove the old client packages and install the new
ones.
  

Does it matter which version - 8.3.3 or 8.2.9 - we install on our
client boxes? Is the client-side backwards compatible? Or should we
install both and have a wrapper for the "psql" script to detect which
database we're going to and use the appropriate binaries?


Chris




Re: [ADMIN] Upgrade clients when (major) upgrading server?

2008-07-24 Thread Scott Marlowe
On Thu, Jul 24, 2008 at 1:51 PM, Chris Bovitz
[EMAIL PROTECTED] wrote:


 Does it matter which version - 8.3.3 or 8.2.9 - we install on our client
 boxes?  Is the client-side backwards compatible?  Or should we install both
 and have a wrapper for the psql script to detect which database we're
 going to and use the appropriate binaries?

psql itself is not backwards / forwards compatible.  libpq is.  So if
you need to talk to 8.2 and 8.3 databases from psql, then it's a good
idea to have both.

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