[HACKERS] PostgreSQL Backup problems with tsearch2

2003-11-10 Thread Ed Baer
To whom it may concern,

Please accept my apology if this is not the correct forum, I am new and was unable to 
find the correct location to send this question.

If you don't wish to answer, could you please direct me to the correct place to ask 
the question.

Thanks

The question is:

Is the problem with backing up and restoring a database which has tsearch2 installed 
and enabled delt with in Version 7.4 of PostgreSQL?

If not, is there any timeline for this, or is it not considered important since 
tsearch2 is a contrib component?

I am planning to spend some time rigging up a solution for our implementation, but I 
am not qualified to create one for general use.

Thanks in advance for your consideration.

ewb

=
Edward W. Baer
Always24x7.com
[EMAIL PROTECTED]
=

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Re: [HACKERS] PostgreSQL Backup problems with tsearch2

2003-11-10 Thread Ian Barwick
On Monday 10 November 2003 20:47, Ed Baer wrote:
 To whom it may concern,

 Please accept my apology if this is not the correct forum, I am new and was
 unable to find the correct location to send this question.

 If you don't wish to answer, could you please direct me to the correct
 place to ask the question.

Try the OpenFTS-General list:
http://sourceforge.net/mailarchive/forum.php?forum=openfts-general

The tsearch2 homepage is here:
http://www.sai.msu.su/~megera/postgres/gist/tsearch/V2/

(...)

 The question is:

 Is the problem with backing up and restoring a database which has tsearch2
 installed and enabled delt with in Version 7.4 of PostgreSQL?

If it's the problem with restoring the tsearch2-related functions, then no,
and I'm not sure whether it's fixable (in the sense that a tsearch2 enabled
database will do a painless dump/restore).

I've had some success by making sure all tsearch2-related functions
are in their own schema, which I don't dump or use for restoring; 
before restoring I recreate the schema from a script, then reload
the other schemas. There's a slight gotcha though which I can't recall
offhand. I'll try and write it up next time I got through the process.


Ian Barwick
[EMAIL PROTECTED]


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Re: [HACKERS] PostgreSQL Backup problems with tsearch2

2003-11-10 Thread Christopher Kings-Lynne

Is the problem with backing up and restoring a database which has tsearch2
installed and enabled delt with in Version 7.4 of PostgreSQL?


If it's the problem with restoring the tsearch2-related functions, then no,
and I'm not sure whether it's fixable (in the sense that a tsearch2 enabled
database will do a painless dump/restore).
I've had some success by making sure all tsearch2-related functions
are in their own schema, which I don't dump or use for restoring; 
before restoring I recreate the schema from a script, then reload
the other schemas. There's a slight gotcha though which I can't recall
offhand. I'll try and write it up next time I got through the process.
What I did is I edited my dump and removed all the tsearch stuff.  Then 
I copied the tsearch2.sql just after the CREATE DATABASE statement. 
This ensured that all the dependencies work fine.

Since then, I think PostgreSQL's default dump order has just worked.

The main situation that causes complete breakage is:

CREATE TABLE...
CREATE TYPE...
ALTER TABLE / ADD COLUMN newtype
Basically, any object that you can add dependencies to after it has been 
initially created can cause problems.  eg. all the CREATE OR REPLACE 
commands, etc.

Chris



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