Re: [GENERAL] Postgres doesn't use indexes for prefix matching?

2004-07-08 Thread Stephan Szabo
On Fri, 2 Jul 2004, Jon Valvatne wrote: Pasted below, I demonstrate two queries which both produce the same two records in their result set (the two objects which have my full name in their name field). Based on my experiences with other DBMS, I would have thought Postgres could do a simple

Re: [GENERAL] Formatting Function..

2004-07-08 Thread Rolf Østvik
[EMAIL PROTECTED] (Vinay Jain) wrote in news:[EMAIL PROTECTED]: Hi.. I am newbe in postgresql so please help me though the question may be very easy to answer.. Is there any formatting function to get output with fix lengths..for example my query is.. schema is: Student (name Varchar,

Re: [GENERAL] Postgres doesn't use indexes for prefix matching?

2004-07-08 Thread wespvp
Your message from 7/2 just showed up today. db=# explain analyze SELECT id FROM object WHERE name ~ '^Jon V'; I use leading substring indexing all the time. Try: SELECT id FROM object WHERE name like 'Jon V%'; Wes ---(end of broadcast)---

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

2004-07-08 Thread Mike Rylander
posted mailed Michal Taborsky wrote: 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] Problems restarting after database crashed (signal 11).

2004-07-08 Thread Christopher Cashell
At Sat, 03 Jul 04, Unidentified Flying Banana Greg Stark, said: Is there an NFS server involved? If an NFS server disappears any process waiting on I/O for it enters disk-wait indefinitely until it reappears. Nope. Everything was local on this machine. -- greg -- | Christopher

[GENERAL] How to filter on timestamps?

2004-07-08 Thread B.W.H. van Beest
Gentle people, I don't get it. I have a table where one of the columns is of type 'TIMESTAMP' How can I do a query to filter on the TIMESTAMP value, e.g. to obtain all rows earlier than a certain time stamp? Regards, ---(end of broadcast)--- TIP 8:

[GENERAL] Slony-I Release 1.0 available

2004-07-08 Thread Jan Wieck
The Slony-I team proudly presents the 1.0 Release of its new enterprise-level replication solution for PostgreSQL. After more than 9 months of design, planning, development and testing, sponsored by the global domain registry company Afilias, we believe that this software has reached

Re: [GENERAL] enable thready safety on Mac OS X 10.3.4

2004-07-08 Thread wespvp
On 7/8/04 11:28 AM, Bruce Momjian [EMAIL PROTECTED] wrote: OK, I have removed the changes I just added to allow threads for 7.4.X on OSX. This stuff had to be dealt with before 7.4 final, and I don't want to play with it at this point. 7.5 thread testing is automatic so people will have to

Re: [GENERAL] enable thready safety on Mac OS X 10.3.4

2004-07-08 Thread Bruce Momjian
[EMAIL PROTECTED] wrote: On 7/8/04 11:28 AM, Bruce Momjian [EMAIL PROTECTED] wrote: OK, I have removed the changes I just added to allow threads for 7.4.X on OSX. This stuff had to be dealt with before 7.4 final, and I don't want to play with it at this point. 7.5 thread testing is

Re: [GENERAL] Enough RAM for entire Database.. cost aside, is this

2004-07-08 Thread Edmund Dengler
Greetings! On Fri, 2 Jul 2004, Mike Rylander wrote: I find that experience does not bear this out. There is a saying a coworker of mine has about apps that try to solve problems, in this case caching, that are well understood and generally handled well at other levels of the software

Re: [GENERAL] enable thready safety on Mac OS X 10.3.4

2004-07-08 Thread Benjamin Reed
On Thu, 8 Jul 2004 14:25:48 -0400 (EDT), Bruce Momjian [EMAIL PROTECTED] wrote: works on both OS X 10.2 and 10.3 OK, I put this back in for 7.4.X since you tested to OSX versions, which helps me think it is reliable. Thanks. I can confirm this as well, and I'll be including these changes

[GENERAL] Subtransaction syntax in 7.5??

2004-07-08 Thread Jim Rosenberg
I'm thrilled by the news that nested transactions will make it into 7.5 after all, and trying to learn how this will work. The question is what will be the syntax to start / commit / rollback a subtransaction. Leaking a bit from pgsql-hackers [hope it's not bad etiquette to do this] I see this

Re: [GENERAL] How to filter on timestamps?

2004-07-08 Thread Alvaro Herrera
On Tue, Jul 06, 2004 at 01:27:29AM +0200, B.W.H. van Beest wrote: I have a table where one of the columns is of type 'TIMESTAMP' How can I do a query to filter on the TIMESTAMP value, e.g. to obtain all rows earlier than a certain time stamp? SELECT ... WHERE timestamp_field 'certain

Re: [GENERAL] Subtransaction syntax in 7.5??

2004-07-08 Thread Bruce Momjian
Jim Rosenberg wrote: I'm thrilled by the news that nested transactions will make it into 7.5 after all, and trying to learn how this will work. The question is what will be the syntax to start / commit / rollback a subtransaction. Leaking a bit from pgsql-hackers [hope it's not bad etiquette

Re: [GENERAL] help required

2004-07-08 Thread Alvaro Herrera
On Mon, Jul 05, 2004 at 05:40:34PM +0800, Ramesh Yeligar wrote: We have been using pgsql for our retail business, now, due hard drive crash, the databse corrupted and we are unable to start pgsql database. Pl help me if you know any commands or tools to recover this database. You'd need to

Re: [GENERAL] how can Iconnect a Postgres database using odbc in c language?

2004-07-08 Thread Paul Thomas
On 02/07/2004 16:02 Maus wrote: [snip] I'd like to know the equivalent instructions in C language using ODBC for connecting a Postgres DB (with also includes library) Please, is there anyone can tell me which these C language instructions are? ODBC involves a fair bit more programming than JDBC. I

Re: [GENERAL] unexpected update behavior with temp tables

2004-07-08 Thread Martijn van Oosterhout
On Thu, Jul 08, 2004 at 09:28:16AM -0500, Timothy Perrigo wrote: Thanks for the reply, Stephan. I guess I can see the rationale for this, though it is quite easy to cause yourself quite a bit of grief. It would certainly make things safer if columns in the subselect which refer to columns

Re: [GENERAL] Slow deletion of data from tables

2004-07-08 Thread Grant McLean
On Fri, 2004-07-02 at 04:35, Rune Froysa wrote: I have one table with columns that are used as foreign-keys from several other tables. Sometimes deletion from this table takes +5 seconds for a single row. Do you have indexes on the foreign key columns in the child tables? For example, say

[GENERAL] ANNOUNCE: Bricolage 1.8.1

2004-07-08 Thread David Wheeler
The Bricolage development team is pleased to announce the release of Bricolage 1.8.1. This maintenance release address a number of issues in Bricolage 1.8.0. Here are the highlights: Improvements * More complete Traditional Chinese and Simplified Chinese localizations.

[GENERAL] HELP

2004-07-08 Thread Marek Nowiski
I accidentaly deleted over 1.000.000 records from one table in my database. Is there any way to recover them? Please help me as soon as possible... After the records were deleted, no other operation was made on the database. In fact, all the postgres services were shut down. I found a xlog file