Re: [GENERAL] Linux v.s. Mac OS-X Performance

2007-11-27 Thread Doug McNaught
On Nov 27, 2007, at 8:36 PM, Gregory Stark wrote: I think (but I'm not sure) that the kernel in OSX comes from BSD. Kind of. Mach is still running underneath (and a lot of the app APIs use it directly) but there is a BSD 'personality' above it which (AIUI) is big parts of FreeBSD ported

Re: [GENERAL] Last modification time

2006-02-12 Thread Doug McNaught
Johan Vromans [EMAIL PROTECTED] writes: Doug McNaught [EMAIL PROTECTED] writes: Yeah, LISTEN/NOTIFY is definitely a lighter-weight solution--I didn't think of that before. LISTEN/NOTIFY looks like a synchronisation mechanism. You can notify a subscriber that something happened. But in my

Re: [GENERAL] Last modification time

2006-02-11 Thread Doug McNaught
Johan Vromans [EMAIL PROTECTED] writes: Greetings, For a big application, I want to generate reports from the database and keep these on-line as long as they reflect the actual contents of the database. I only want to regenerate the reports when needed, i.e., when the database contents have

Re: [GENERAL] Last modification time

2006-02-11 Thread Doug McNaught
Johan Vromans [EMAIL PROTECTED] writes: Doug McNaught [EMAIL PROTECTED] writes: I would put an AFTER trigger on all the tables concerned that inserts a row into an audit table. [...] Audit tables are useful for other things too, if you can afford them. I think auditing is much too heavy

Re: [GENERAL] Last modification time

2006-02-11 Thread Doug McNaught
Philippe Ferreira [EMAIL PROTECTED] writes: Yeah, LISTEN/NOTIFY is definitely a lighter-weight solution--I didn't think of that before. Hi, I'm interested too in using this method ! Can anyone give a simple example of how to use/implement it ? Or good links to clear/quick documentation

Re: [GENERAL] Sequences/defaults and pg_dump

2006-02-10 Thread Doug McNaught
Bruno Wolff III [EMAIL PROTECTED] writes: On Tue, Feb 07, 2006 at 15:28:31 +0300, Nikolay Samokhvalov [EMAIL PROTECTED] wrote: The real situation would be as the following. I want to use some algorithm to hide real number of registered users in my table user. So, I don't want to use simple

Re: [GENERAL] plpgsql direct from C?

2006-02-04 Thread Doug McNaught
James Harper [EMAIL PROTECTED] writes: Is there an API method to be able to execute pl/pgsql (or any other language) code directly from C? Eg (please excuse the line wrapping, and the fact that this doesn't represent a case where this would actually be useful!) result = PQexecPL(plpgsql,

Re: [GENERAL] Automating backup

2006-02-03 Thread Doug McNaught
Richard Sydney-Smith [EMAIL PROTECTED] writes: pch := pchar('pg_dump -C -h '+host+' -U '+usr+' -p '+pswd+ ' -f '+bckup_path+' '+dbase); to postgres. as the operator is obviously logged in how do I (1) trap their user id (2) Send the call to pg_dump without knowing their password?

Re: [GENERAL] PostgreSQL + hibernate

2006-01-31 Thread Doug McNaught
Myatluk Andrey [EMAIL PROTECTED] writes: Hi, Chris! I've set the sequence owner to my database user. It hasn't changed anything. I guess I have to connect through psql as user and then see what happens. If it fails, what could be my next step? That would depend on the error message you

Re: [GENERAL] How to change the default database for a user

2006-01-30 Thread Doug McNaught
Alexander Farber [EMAIL PROTECTED] writes: Hello, I've created a user and a database both wrongly named phpbb. After that I have renamed both to punbb using ALTER DATABASE and ALTER USER. Now everything works fine, except I always have to specify the database when connecting (both using

Re: [GENERAL] How to change the default database for a user

2006-01-30 Thread Doug McNaught
Alexander Farber [EMAIL PROTECTED] writes: but I do specify the database username: h754814:afarber {109} psql --help | grep -w user -U NAME database user name (default: phpbb) h754814:afarber {110} psql -U punbb psql: FATAL: database phpbb does not exist And it

Re: [GENERAL] New project launched : PostgreSQL GUI Installer for

2006-01-30 Thread Doug McNaught
Devrim GUNDUZ [EMAIL PROTECTED] writes: http://pgfoundry.org/projects/pgnixinstaller/ We are actively looking for developers for the project. Please drop me an e-mail if you want to join this project. We will use Python, so you need to be a Python guy to join the project. We are in planning

Re: [HACKERS] [GENERAL] New project launched : PostgreSQL GUI

2006-01-30 Thread Doug McNaught
Devrim GUNDUZ [EMAIL PROTECTED] writes: On Mon, 2006-01-30 at 20:03 -0500, Doug McNaught wrote: What value does this bring to systems that have a good package system and up-to-date repositories? I can install Postgres today on Ubuntu using a GUI tool, and install another GUI tool

Re: [HACKERS] [GENERAL] New project launched : PostgreSQL GUI

2006-01-30 Thread Doug McNaught
Marc G. Fournier [EMAIL PROTECTED] writes: On Tue, 31 Jan 2006, Devrim GUNDUZ wrote: On my RHEL boxes, I do never ever recompile the kernel since Red Hat does not provide support if I do so :) Is everything 'loadable modules' then? I can't imagine you have some mammoth kernel running on

Re: [GENERAL] Viewing Database Scheme

2006-01-28 Thread Doug McNaught
Rich Shepard [EMAIL PROTECTED] writes: When installing the application I specified the database name as 'contacts' (not very innovative or clever, but descriptive). When I open the database with 'psql contacts' and ask to have the tables dumped (with \d), they go streaming by on the

Re: [GENERAL] Viewing Database Scheme

2006-01-28 Thread Doug McNaught
Rich Shepard [EMAIL PROTECTED] writes: On Sat, 28 Jan 2006, Eric B. Ridge wrote: Again, you can't use redirection via the psql prompt. But you can do it via your shell command line: $ psql -c \dt xrms.tables Well, that doesn't seem to be working here, either: [EMAIL PROTECTED] ~]$

Re: [GENERAL] Accessing an old database from a new OS installation.

2006-01-27 Thread Doug McNaught
A. Kretschmer [EMAIL PROTECTED] writes: am 27.01.2006, um 14:21:31 + mailte Matthew Henderson folgendes: Okay, so if I have 7.4 installed and I have the old harddisk mount under /mnt/hda can I do something like pg_dump /mnt/hda/path_to_old_database dump.txt No, this is imposible

Re: [GENERAL] Are rules transaction safe?

2006-01-27 Thread Doug McNaught
Oliver Fürst [EMAIL PROTECTED] writes: Hi all, I have a question regarding rules on views. Are the commands inside a ON INSERT (or UPDATE) DO INSTEAD (implicit) transactions for postgres? I tried to put BEGIN; and COMMIT; around the commands in a ON ... DO INSTEAD ( ) block, but keep

Re: [GENERAL] Are rules transaction safe?

2006-01-27 Thread Doug McNaught
Oliver Fürst [EMAIL PROTECTED] writes: Basically I'm worried that the whole relying on the last value of a sequence isn't such a great idea. 'currval()' is specifically written to Do The Right Thing. See the docs. -Doug ---(end of

Re: [GENERAL] Are rules transaction safe?

2006-01-27 Thread Doug McNaught
Oliver Fürst [EMAIL PROTECTED] writes: But is nowhere stated if (multiple) commands inside a rule are treated as an implicit transaction as a whole. If you don't specifically open a transaction at the top level (i.e. in 'psql' or SQL from your application's code), PG will encapsulate every

Re: [GENERAL] Access Problem After Version Upgrade -- Update

2006-01-26 Thread Doug McNaught
Rich Shepard [EMAIL PROTECTED] writes: So, now I can see the tables in the various databases, but SQL-Ledger still cannot: Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. How do I get this fixed, please?

Re: [GENERAL] Access Problem After Version Upgrade -- FIXED

2006-01-26 Thread Doug McNaught
Rich Shepard [EMAIL PROTECTED] writes: On Thu, 26 Jan 2006, Joshua D. Drake wrote: Although I am glad you were able to get up and running, typically you don't want to move libs like that. Instead update your /etc/ld.so.conf and run ldconfig. True, Josh. What I'd prefer to do is remove

Re: [GENERAL] Trigger question: ROW or STATEMENT?

2006-01-25 Thread Doug McNaught
Patrick Hatcher [EMAIL PROTECTED] writes: Attempting to do my first trigger and I'm confused about which FOR EACH I should use: ROW or STATEMENT. I import about 80K rows into an existing table each day. If I do a STATEMENT, will the changes only happen on the new 80K rows I inserted or will

Re: [GENERAL] Trigger question: ROW or STATEMENT?

2006-01-25 Thread Doug McNaught
Patrick Hatcher [EMAIL PROTECTED] writes: Here is the trigger the way it is currently written. I add some additional information from another table: If you're modifying each row before it goes in, it should definitely be a FOR EACH ROW trigger. -Doug ---(end of

Re: [GENERAL] Postgresql Segfault in 8.1

2006-01-24 Thread Doug McNaught
Benjamin Smith [EMAIL PROTECTED] writes: in /var/log/messages, I see Jan 24 17:00:04 kepler kernel: postmaster[26185]: segfault at 2516d728 rip 0043c82c rsp 007fbfffddd0 error 4 The insert statement is long, but doesn't seem to violate anything strange - no weird

Re: [GENERAL] numeric data type?

2006-01-22 Thread Doug McNaught
Zlatko Matić [EMAIL PROTECTED] writes: So, it seems that numeric without parameters (precision, scale) behave similar to float, but is much exact. Am I right or I missunderstood? Right. It's also considerably slower, since floating point calculations can use the hardware. Unless you're doing

Re: [GENERAL] sequences not restoring properly

2006-01-20 Thread Doug McNaught
Brian Dimeler [EMAIL PROTECTED] writes: I'm trying to transition a database from one server to another, the old one running Postgres 7.4.1 and the new, 8.1.1. When I try to restore using a pg_dump plaintext sql file from a nightly backup via the usual psql thedb backup.sql The best way to

Re: [GENERAL] Page-Level Encryption

2006-01-20 Thread Doug McNaught
David Blewett [EMAIL PROTECTED] writes: In reading the documentation of Peter Gutmann's Cryptlib, I came across this section: The use of crypto devices can also complicate key management, since keys generated or loaded into the device usually can't be extracted again afterwards. This is a

Re: [GENERAL] mount -o async - is it safe?

2006-01-19 Thread Doug McNaught
Martijn van Oosterhout kleptog@svana.org writes: That depends. As long as the data is appropriately sync()ed when PostgreSQL asks, it should be fine. However, from reading the manpage it's not clear if fsync() still works when mounted -o async. If -o async means all I/O is asyncronous

Re: [GENERAL] Insert a default timestamp when nothing given

2006-01-19 Thread Doug McNaught
Martijn van Oosterhout kleptog@svana.org writes: Not directly. I suppose you could create a view that converted the value to the right date on insert. I think a trigger might make more sense. -Doug ---(end of broadcast)--- TIP 9: In versions

Re: [GENERAL] mount -o async - is it safe?

2006-01-19 Thread Doug McNaught
Shane Wright [EMAIL PROTECTED] writes: Actually I thought that *all* the database had to have fsync() work correctly; not for integrity on failed transactions, but to maintain integrity during checkpointing as well. But I could well be wrong! I think you're write, but what I was thinking

Re: [GENERAL] Upgrade Problem: 7.4.3 - 8.1.2

2006-01-19 Thread Doug McNaught
Rich Shepard [EMAIL PROTECTED] writes: On Thu, 19 Jan 2006, Doug McNaught wrote: Did you tell pg_restore to read from a file? Otherwise it will try to read from your terminal, which probably isn't what you want. Doug, No, I didn't. I've no idea where the file was dumped, so I've

Re: [GENERAL] Upgrade Problem: 7.4.3 - 8.1.2

2006-01-19 Thread Doug McNaught
Rich Shepard [EMAIL PROTECTED] writes: Well, so much for the book. It did seem to be rather sparse on the upgrade. Hmmm-m-m. Wonder what is the most efficient way to get going again. Think I'll try the 'pg_dumpall -format=c' from the old directory and see if there's a new file there. I

Re: [GENERAL] Upgrade Problem: 7.4.3 - 8.1.2

2006-01-19 Thread Doug McNaught
Rich Shepard [EMAIL PROTECTED] writes: Using the 8.1.2 pg_dumpall from the 2004 data directory produces a 819K file. But, when I then cd to the new data directory and run: [EMAIL PROTECTED]:/var/lib/pgsql/data$ pg_restore /var/tmp/backup.sql pg_restore: [archiver] input file does not

Re: [GENERAL] bigger blob rows?

2006-01-18 Thread Doug McNaught
Eric Davies [EMAIL PROTECTED] writes: Back in the days of 7.4.2, we tried storing large blobs (1GB+) in postgres but found them too slow because the blob was being chopped into 2K rows stored in some other table. However, it has occurred to us that if it was possible to configure

Re: [GENERAL] Moving PostgreSQL data directory on Windows

2006-01-13 Thread Doug McNaught
Ottó Havasvölgyi [EMAIL PROTECTED] writes: Hello, I would like to move the data directory to another location. I have done this: 1. Stop PostgreSQL 2. Move data directory 3. Create a PGDATA env. variable to the new location 4. Start PostgreSQL And it cannot start, because it cannot find

Re: [GENERAL] Moving PostgreSQL data directory on Windows

2006-01-13 Thread Doug McNaught
Doug McNaught [EMAIL PROTECTED] writes: Dumb question, but are you sure you exported the PGDATA variable? Is it pointing to the directory that actually contains postgresql.conf? If you still have problems, post the exact error message that appears in the logs. Duh, I didn't read

Re: [GENERAL] Plans for 8.2?

2006-01-12 Thread Doug McNaught
Jeff Trout [EMAIL PROTECTED] writes: Isn't the [expensive db name here]'s replication/failover just an expensive addon? As in if you don't pay for it you don't get it. So we're basically in the same boat as them.. just an add on. we just offer more variety. Well, [cheap and crappy

Re: [GENERAL] (Select *) vs. (Select id) from table.

2006-01-08 Thread Doug McNaught
Scott Ribe [EMAIL PROTECTED] writes: The time the DB needs to find the record should be the same since the record has to be found before the resultset is assembled. What if the query can be satisfied from an index? I don't know if PostgreSQL has this kind of optimization or not. Nope.

Re: [GENERAL] PGError: server closed the connection unexpectedly

2006-01-07 Thread Doug McNaught
Dave Steinberg [EMAIL PROTECTED] writes: My biggest problem is the lack of any real error message on the server. I don't see anything wrong in the system logs, and there's no core file in the /var/postgresql directory. Are you sure core files are enabled; i.e. the server is running with

Re: [GENERAL] PGError: server closed the connection unexpectedly

2006-01-07 Thread Doug McNaught
Dave Steinberg [EMAIL PROTECTED] writes: My biggest problem is the lack of any real error message on the server. I don't see anything wrong in the system logs, and there's no core file in the /var/postgresql directory. Are you sure core files are enabled; i.e. the server is running with

Re: [GENERAL] PGError: server closed the connection unexpectedly

2006-01-07 Thread Doug McNaught
Dave Steinberg [EMAIL PROTECTED] writes: You're not using the same PG connection from two different threads, or fork()ing and trying to use the same connection in the parent and the child, or anything like that? Aha! In the ruby code, I am forking! I'll make the child reconnect and see if

Re: [GENERAL] Moving Tablespaces

2006-01-03 Thread Doug McNaught
Allen Fair [EMAIL PROTECTED] writes: Our databases can get large and we want to find the best way to plan for when a database outgrows its current server. How about a replication scheme and cutover? If so, is there a preferred replication package to support this? Slony-I was designed for

Re: [GENERAL] storing PDFs

2006-01-01 Thread Doug McNaught
Leonel Nunez [EMAIL PROTECTED] writes: You can use ByteA but the size will be about 4 times bigger Are you sure? The intermediate form for bytea (escaped single-quoted strings) is pretty inefficient, but once in the database the data is stored as binary and can even be compressed. Plus,

Re: [GENERAL] restarting after power outage

2005-04-27 Thread Doug McNaught
Tom Lane [EMAIL PROTECTED] writes: Jon Lapham [EMAIL PROTECTED] writes: Tom Lane wrote: It is. We have been fooling with the postmaster startup logic to try to eliminate this gotcha, but it's only very recently (8.0.2) that I think we got it right. So, then it would be correct to change

Re: [GENERAL] restarting after power outage

2005-04-27 Thread Doug McNaught
Uwe C. Schroeder [EMAIL PROTECTED] writes: Is this just me or did anyone actually think about adding a UPS to the machine and monitor it with NUT ? That way the machine would shut down properly, making the whole stale pid-file issue irrelevant. UPSs fail. People kick out power cords. It's

Re: [GENERAL] [HACKERS] plPHP in core?

2005-04-04 Thread Doug McNaught
Robert Treat [EMAIL PROTECTED] writes: If by stripped down you mean without postgresql database support then I'll grant you that, but it is no different than other any other pl whose parent language requires postgresql to be installed. If packagers are able to handle those languages than why

Re: [GENERAL] libpq usage in Samba

2005-03-30 Thread Doug McNaught
Fernando Schapachnik [EMAIL PROTECTED] writes: I'm trying to figure out why Samba is failing at high loads if using Postgres as a backend (7.3.9 in my setup). On startup in makes one connection only against the database which is shared among all the Samba processes. In turn, each issue a

Re: [GENERAL] Upgrade data

2005-03-30 Thread Doug McNaught
josue [EMAIL PROTECTED] writes: I did a pg_dumpall and this sentence to restore it back ./psql template1 -U postgres -p 9981 /home2/tmp/dbtest.tar You need to use 'pg_restore' for tar format dumps. -Doug ---(end of broadcast)--- TIP 3: if

Re: [GENERAL] Problem connecting to postmaster

2005-03-21 Thread Doug McNaught
Glenn Sullivan [EMAIL PROTECTED] writes: Hi, I have installed native postgresql8.0.1 on a PC running Windows XP professional. I am having trouble connecting to it from my application. The application is a combination of java and C++ which was developed on Sun Solaris (Unix). Thus on the

Re: [GENERAL] prelimiary performance comparison pgsql vs mysql

2005-03-16 Thread Doug McNaught
Joshua D. Drake [EMAIL PROTECTED] writes: Also, a 32-bit machine can only hold so much RAM. If I'm correct, there are ways to address more memory than that on a 32 bit machine, but I wonder at what cost? In other words, is it a good idea to address more than 4GB on a 32 bit machine? If not,

Re: [GENERAL] Referencing created tables fails with message that

2005-02-27 Thread Doug McNaught
Tommy Svensson [EMAIL PROTECTED] writes: I have just installed Postgresql and tried it for the first time. One very serious problem I ran into was when actually trying to use created tables. Creating a simple table without any foreign keys works OK, but after creating the table it is not

Re: [GENERAL] Update command too slow

2005-02-08 Thread Doug McNaught
Venkatesh Babu [EMAIL PROTECTED] writes: Hello, Thanks for providing info... I tried disabling autocommit, as suggested by Mr. Greg Stark, I tried issuing the command set autocommit to off, but got the following error message: ERROR: SET AUTOCOMMIT TO OFF is no longer supported

Re: [GENERAL] Introducing the future Debian

2005-02-04 Thread Doug McNaught
Martin, This looks really good. I wish it were going into Sarge, though of course the timing isn't right for that. :) A couple things I noticed about the automated upgrade procedure (pg_version_upgrade): 1) Since it uses pg_dumpall, it doesn't seem to be capable of handling databases with

Re: [GENERAL] postmaster listening on specified addresses

2005-01-14 Thread Doug McNaught
Administrator [EMAIL PROTECTED] writes: Hello, I was wondering if there's a correct method for running postmaster with the option of listening on a select group of addresses. Does postmaster accept multiple -h hostname options on the command-line, or alternatively a comma-separated list of

Re: [GENERAL] Adding UNIQUE constraint on NULL column

2005-01-13 Thread Doug McNaught
Dave Smith [EMAIL PROTECTED] writes: I am trying to add a unique constraint on a column that can be null. The documentation states that null is treated as non equal values but I want them to be equal. Is there another way of doing this other than writing a before insert trigger? UNIQUE

Re: [GENERAL] Adding UNIQUE constraint on NULL column

2005-01-13 Thread Doug McNaught
Dave Smith [EMAIL PROTECTED] writes: On Thu, 2005-01-13 at 10:12, Doug McNaught wrote: Are you really saying that you want 'NULL = NULL' to return 't'? Yes Well, that's not how NULL works. -Doug ---(end of broadcast)--- TIP 2: you can get

Re: [GENERAL] Shared disk

2004-12-11 Thread Doug McNaught
Nageshwar Rao [EMAIL PROTECTED] writes: Hi, I would like to use shared disk for two Postgresql database. I mean that two Postgresql Database point to same $PGDATA directory. Is this possible in Postgresql Clarification is appreciated. No, this is not possible. You may want to

Re: [GENERAL] Postgres not using shared memory

2004-12-10 Thread Doug McNaught
Karl O. Pinc [EMAIL PROTECTED] writes: Hi, I can't seem to get postgresql to use shared memory and performance is terrrible. 1) Linux doesn't track shared pages (which is not the same as shared memory) anymore--the field the in 'free' output is just there to avoid breaking software.

Re: [GENERAL] Natural ordering in postgresql? Does it exist?

2004-12-10 Thread Doug McNaught
Clark Endrizzi [EMAIL PROTECTED] writes: Hi all, I have a field that I'll be ordering and I noticed that ordering is done logically and would confuse my users here (1,12,16,4,8, etc). Sounds like you're storing a number in a text field. Numeric fields sort in numerical order. -Doug

Re: [GENERAL] Network authentication

2004-12-06 Thread Doug McNaught
Bob Parnes [EMAIL PROTECTED] writes: I am having trouble connecting to a database on a debian server from a client system, also debian. Acccording to the documentation, this is possible without a password and offers the following example, hosttemplate1 all 192.168.93.0

Re: [GENERAL] SSL confirmation

2004-12-05 Thread Doug McNaught
Michael Fuhr [EMAIL PROTECTED] writes: On Sun, Dec 05, 2004 at 09:10:42PM +, Andrew M wrote: The map i make reference to is a Jboss map used to make a jndi connection to postgreSQL. What document do I need to access to get hold of the envireonment variables, namely PGSSLMODE? I

Re: [GENERAL] general questions on Postgresql and deployment on

2004-12-03 Thread Doug McNaught
Calvin Wood [EMAIL PROTECTED] writes: symbolic link. But on win32, there is no equivalent. However, even under *nix system, I believe symbolic link can only be created for directories on the same hard drive. This seems less than optimal. Typically, one would place database files on RAID 5

Re: [GENERAL] Dont let those int8's drive you mad!!

2004-12-03 Thread Doug McNaught
Jeff Amiel [EMAIL PROTECTED] writes: If postgres knows the field is an int8, why do I have to cast it in my query? This is fixed in 8.0. -Doug ---(end of broadcast)--- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]

Re: [GENERAL] relation does not exist error

2004-12-02 Thread Doug McNaught
Simon Wittber [EMAIL PROTECTED] writes: WMSDV=# \dt List of relations Schema | Name| Type | Owner +---+---+--- public | Customers | table | simon public | Persons | table | simon (2 rows) WMSDV=# select * from Customers; ERROR: relation

Re: [GENERAL] [HACKERS] Adding Reply-To: listname to Lists

2004-11-28 Thread Doug McNaught
Marc G. Fournier [EMAIL PROTECTED] writes: No, the poster will still be included as part of the headers ... what happens, at least under Pine, is that I am prompted whther I want to honor the reply-to, if I hit 'y', then the other headers *are* strip'd and the mail is set right back to the

Re: [GENERAL] Moving/Using Postgres Binaries on multiple machines

2004-11-24 Thread Doug McNaught
Francis Reed [EMAIL PROTECTED] writes: If I want to create a postgres database on multiple machines, is the practice of tarring or zipping up binaries compiled on one machine and untarring them on another, and using the binaries (initdb etc) acceptable?. This removes the need for having a

Re: [GENERAL] Any equivalent of MSSQL Detach?

2004-11-21 Thread Doug McNaught
Kenneth Downs [EMAIL PROTECTED] writes: I am wondering if it is possible to pick up a database from one computer and move it over to another and then just plug it back in. No, unless you do the whole database cluster, and the two machines are the same architecture and have the same version of

Re: [GENERAL] How to clear linux file cache?

2004-11-16 Thread Doug McNaught
Janning Vygen [EMAIL PROTECTED] writes: So how do i easily empty all page/file caches on linux (2.4.24)? Probably the closest you can easily get is to put the Postgres data files on their own partition, and unmount/remount that partition before running yuour tests. Unmounting will sync and

Re: [GENERAL] DROP DATABASE, but still there

2004-11-11 Thread Doug McNaught
Robert Fitzpatrick [EMAIL PROTECTED] writes: What does it mean when you drop a database and then recreate with the same name and all the objects are still there. I want to wipe out the db and put back from pg_restore. After I re-create the db, all the old tables are back before I run

Re: [GENERAL] Transaction rollback - newbie

2004-11-09 Thread Doug McNaught
A. Mous [EMAIL PROTECTED] writes: Hi, I've got clients connected to pgsql via ODBC. If they lose their connection abruptly, all un-committed transactions are automatically rolled-back (I'm assuming) but is there anything left behind that needs to be cleaned up on the server side with

Re: [GENERAL] Reasoning behind process instead of thread based

2004-10-27 Thread Doug McNaught
[EMAIL PROTECTED] writes: The developers agree that multiple processes provide more benefits (mostly in stability and robustness) than costs (more connection startup costs). The startup costs are easily overcome by using connection pooling. Please explain why it is more stable and robust?

Re: [GENERAL] Importing a tab delimited text file - How?

2004-10-24 Thread Doug McNaught
Ken Tozier [EMAIL PROTECTED] writes: I've been looking though the PostgreSQL documentation but can't seem to find a command for importing files. I read the documentation related to large objects but this isn't what I'm looking for as I don't want to import the entire file into a single field,

Re: [GENERAL] OID's

2004-10-23 Thread Doug McNaught
Eddy Macnaghten [EMAIL PROTECTED] writes: The other thing to be aware of is if a large number of people are writing to the database concurrently it can go wrong (any method). That is if you insert a record (using nextval for the sequence), then someone else quickly inserts a row too before

Re: [GENERAL] '1 year' = '360 days' ????

2004-10-23 Thread Doug McNaught
Tom Lane [EMAIL PROTECTED] writes: Ricardo Perez Lopez [EMAIL PROTECTED] writes: I have observed that, for PostgreSQL, one year is actually 360 days: SELECT '1 year'::timestamp = '360 days'::timestamp; ?column? - t Nonsense. regression=# SELECT '1 year'::timestamp =

Re: [GENERAL] How to increase number of connections to 7.2.1

2004-10-17 Thread Doug McNaught
Edwin New [EMAIL PROTECTED] writes: I need to increase the number of connections to PostgreSQL 7.2.1. I have tried changing the value of max_connections in Postgresql.conf. It was commented out (as are all other entries except tcpip_socket = true). Setting it to any other

Re: [GENERAL] dealing with invalid date

2004-10-16 Thread Doug McNaught
Mage [EMAIL PROTECTED] writes: Hi, can pgsql acceppt invalid date values? Sometimes it would be nice to convert 2003-02-29 to 2003-03-01 or to 2003-02-28 automatically instead of throwing back an error message. If you want MySQL, you know where to find it. -Doug -- Let us cross

Re: [GENERAL] Message-ID as unique key?

2004-10-12 Thread Doug McNaught
Jerry LeVan [EMAIL PROTECTED] writes: Hi, I am futzing around with Andrew Stuarts Catchmail program that stores emails into a postgresql database. I want to avoid inserting the same email more than once... (pieces of the email actually get emplaced into several tables). Is the

Re: [GENERAL] Help on copy function

2004-10-06 Thread Doug McNaught
Tom Lane [EMAIL PROTECTED] writes: [EMAIL PROTECTED] writes: And an error occurs : psql:lineitem.loader.psql:1: ERROR: could not extend relation 24342131/24342133 /24342324: There is not enough space in the file system. HINT: Check free disk space. but my fileSystem has something like

Re: [GENERAL] Help on copy function

2004-10-06 Thread Doug McNaught
Tom Lane [EMAIL PROTECTED] writes: Doug McNaught [EMAIL PROTECTED] writes: It's also possible that PG is trying to create a new table file and he's out of inodes... Good thought, although I think that this particular error message would only come out from a seek/write failure and not from

Re: [GENERAL] default select ordering

2004-10-02 Thread Doug McNaught
Matt Roberts [EMAIL PROTECTED] writes: Please accept my apologies if this is answered elsewhere in the archives or docs but I have searched without luck. I've always assumed that default ordering of selects are based on a first in first out principle and that this remains true at the row

Re: [GENERAL] newby question

2004-10-01 Thread Doug McNaught
Scott Frankel [EMAIL PROTECTED] writes: Additional note: configure warned of an old version of bison when I attempted an install of postgresql7.4.5 the other day. Seems the version that comes with OSX 10.3.x is too old for postgres. You only actually need Bison if you are building from

Re: [GENERAL] To OID or not to OID

2004-09-28 Thread Doug McNaught
David Parker [EMAIL PROTECTED] writes: Is there any concrete reason NOT to create tables WITHOUT OIDS? We are going to have some very large tables in our app, so saving the space and not worrying about int-wrap seems like a good idea, but I'm worried that I'm missing something. Nothing in PG

Re: [GENERAL] Custom Functions

2004-09-28 Thread Doug McNaught
Matthew Metnetsky [EMAIL PROTECTED] writes: On Tue, 2004-09-28 at 10:55, Katsaros Kwn/nos wrote: So, does anyone know of (or have) good examples of queries within functions (and returning sets of data)? I'm not very experienced in PostgreSQL but maybe SPI functions is what you need.

Re: [GENERAL] serial data type

2004-09-25 Thread Doug McNaught
Tom Allison [EMAIL PROTECTED] writes: Can I use the serial data type in lieu of an 'auto_number' field? What are the exact semantics of an auto_number field? I asked something like this some months ago and it seems that auto_number fields were addressed through a combination of triggers and

Re: [GENERAL] serial data type

2004-09-25 Thread Doug McNaught
Joseph Healy [EMAIL PROTECTED] writes: On Sat, Sep 25, 2004 at 07:20:23PM -0400, Tom Allison wrote: Any idea how to set up a timestamp=now on every insert/update ? when you create your table, use: create table mytable ( id serial primary key, updated timestamp

Re: [GENERAL] abnormal data grow

2004-09-21 Thread Doug McNaught
Reynard Hilman [EMAIL PROTECTED] writes: Hi, I have been having this problem where the database size suddenly grows from the normal size of about 300Mb to 12Gb in one night. When I look up the table size, the biggest one is only 41Mb and the total of all table size is only 223Mb. But in

Re: [GENERAL] Oracle / Postgres Interface

2004-09-21 Thread Doug McNaught
Shah, Sameer [EMAIL PROTECTED] writes: 1. I have DataBase-A which is Oracle on Server A with FunctionA (PLSQL) 2. I have DataBase-B which is Postgress on Server B with FunctionB (PgSQL) 3. I need to call FunctionA from FunctionB As far as I know, the on'y way to do

Re: [GENERAL] Can't connect to Windows port + other

2004-09-01 Thread Doug McNaught
Anony Mous [EMAIL PROTECTED] writes: A few days ago there was a fellow that had trouble connecting remotely to the 8.0 beta win port. I had the same problem, but have since found the solution. In postgresql.conf file, ensure the line listen_addresses is set to '*', ie, listen_addresses =

Re: [GENERAL] Change config of running PGSQL

2004-08-31 Thread Doug McNaught
McDougall, Marshall (FSH) [EMAIL PROTECTED] writes: I have an existing installation of 7.3.4 that appears to have been made with --without-readline and --without-zlib parameters used at build time. How do I change those parms without reinstalling the whole thing. I would normally go

Re: [GENERAL] Change config of running PGSQL

2004-08-31 Thread Doug McNaught
McDougall, Marshall (FSH) [EMAIL PROTECTED] writes: I made sure that readline was indeed installed to no avail. The configure still does not see the libs. Any ideas? You don't say what system you're on, but most Linux distributions split library packages like readline into 'runtime' and

Re: [GENERAL] upgrading minor versions

2004-08-27 Thread Doug McNaught
Jeff Amiel [EMAIL PROTECTED] writes: So I downloaded postgresql-7.4.5.tar.gz ftp://ftp21.us.postgresql.org/pub/postgresql/v7.4.5/postgresql-7.4.5.tar.gz uncompressed... configure... make make install I run psql and it gives me the Welcome to psql 7.4.5, the PostgreSQL interactive

Re: [GENERAL] Problem to connect to the Windows Port

2004-08-24 Thread Doug McNaught
Tom Lane [EMAIL PROTECTED] writes: Cornelia Boenigk [EMAIL PROTECTED] writes: C:\psql -h 192.168.1.8 -U postgres -d minitest psql: could not connect to server: Connection refused Is the server running on host 192.168.1.8 and accepting TCP/IP connections on port 5432?

Re: [GENERAL] COPY not handling BLOBs

2004-08-08 Thread Doug McNaught
Jan Wieck [EMAIL PROTECTED] writes: On 8/4/2004 1:58 PM, David Rysdam wrote: bytea will only go up to several thousand bytes according to the docs. I assume it's not very precise because the maximum is 8196 - $other_fields_in_row. My binary data could be a couple times that or even much

Re: [GENERAL] Question about linux filesystem and psql

2004-07-29 Thread Doug McNaught
Marcus Wegner [EMAIL PROTECTED] writes: Is it possible to keep data safe with linux and psql after crash? The short description of the scenario is: - writing data with psql (using transactions), store process completed - user hits the reset button or kernel crashes (whatever left the

Re: [GENERAL] altering a table to set serial function

2004-07-28 Thread Doug McNaught
Prabu Subroto [EMAIL PROTECTED] writes: If I read your suggestion, that means...I have drop the column salesid and re-create the column salesid. and it means, I will the data in the current salesid column. Do you have further suggestion? You can do it by hand without dropping the column:

Re: [GENERAL] Do we need more emphasis on backup?

2004-07-11 Thread Doug McNaught
[EMAIL PROTECTED] (Jim Seymour) writes: Oh, if you're accepting punctuation nits ;), in most cases, the comma should come after but, not before it. So your sentence should read PostgreSQL will run on almost any hardware but, if you are... Wrong. :) You are sentenced to go read Strunk and

Re: [GENERAL] Row-level security--is it possible?

2004-07-02 Thread Doug McNaught
Michal Taborsky [EMAIL PROTECTED] writes: Doug McNaught wrote: But why not create a products_restricted view that uses the CURRENT_USER function to see who's running it? CREATE VIEW products_restricted AS SELECT * FROM products WHERE Producer_ID = get_producer_id(CURRENT_USER

Re: [GENERAL] Error loading trigger in C

2004-07-01 Thread Doug McNaught
Juan Jose Costello Levien [EMAIL PROTECTED] writes: Hello, I am trying to use a trigger function I wrote in C. Basically what I want to do is to audit a table when a row is inserted into another table by copying the row to the new table. It compiles Ok and I created a shared library

Re: [GENERAL] coalesce and nvl question

2004-06-23 Thread Doug McNaught
Simon Windsor [EMAIL PROTECTED] writes: Hi I understand that null and '' are different, and MySQL and Oracle functions are confusing, but my question was not about replacing NULL but replacing Empty strings. These are handled in MySQL/Oracle by the same functions that do NULL checks. Is

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