Re: [GENERAL] How do i calculate a finish time when the start time is ambiguous?

2011-03-28 Thread Octavio Alvarez
On Mon, 28 Mar 2011 08:26:03 -0700, Rob Richardson wrote: I have a table that records a starting time for a process and the length of time that process will take, and I need to calculate the time the process will end. I have the starting time both in local time and in UTC time, but for reaso

Re: [GENERAL] limit table to one row

2009-06-09 Thread Octavio Alvarez
On Tue, 09 Jun 2009 08:24:01 -0700, Brandon Metcalf wrote: CREATE TABLE foo ( start DATE, length VARCHAR(10), ); I need to be able to get one value for each column at any given time. CREATE UNIQUE INDEX u ON foo ((start IS NOT NULL)); You would just make sure you SELECT FROM f

Re: [GENERAL] getting list of columns from a query

2010-08-22 Thread Octavio Alvarez
On Sun, 22 Aug 2010 10:27:52 -0700, c k wrote: Hi all, As I am using MS Access for a long time, many tools like ms access provides a way to get the list of columns from a query. (using filed list in combo boxes in ms access). But is it possible to get such list of columns from a query wh

Re: [GENERAL] Table Comments

2010-09-15 Thread Octavio Alvarez
On Wed, 15 Sep 2010 08:53:16 -0700, Carlos Mennens wrote: CREATE TABLE weather ( temp_lo int, -- low temperature ); I did a search and don't understand in what aspect are the 'comments' relevant / visible? I don't see the comments when I attempt to list / describe the t

Re: [GENERAL] Need magic for identifieing double adresses

2010-09-23 Thread Octavio Alvarez
On Thu, 16 Sep 2010 06:22:15 -0700, Andreas wrote: It's not only typos to catch. There is variation in the way to write things that not necessarily are wrong. e.g. Miller's Bakery Bakery Miller Bakery Miller, Ltd. Bakery Miller and sons Bakery Smith (formerly Miller) and the usual Strawberry

Re: [GENERAL] Per-user schemas with inherited skeleton.

2009-01-07 Thread Octavio Alvarez
On Mon, 2009-01-05 at 13:05 +0900, Craig Ringer wrote: > alvar...@alvarezp.ods.org wrote: > > > On user account creation, the schema gets created and the interface > > tries to do a "CREATE TABLE my_relation () INHERITS > > (_skel.my_relation);" as the new role, but PostgreSQL returns the error >

Re: [GENERAL] Pet Peeves?

2009-01-30 Thread Octavio Alvarez
On Thu, 2009-01-29 at 13:16 +, Gregory Stark wrote: > So, what do people say? Is Postgres perfect in your world or does it > do some > things which rub you the wrong way? For me: Lack of column-level privileges. It just doesn't help scalability at all. You end up having different tables each

Re: [GENERAL] Pet Peeves?

2009-01-30 Thread Octavio Alvarez
On Fri, 2009-01-30 at 15:32 -0500, Bruce Momjian wrote: > Octavio Alvarez wrote: > > On Thu, 2009-01-29 at 13:16 +, Gregory Stark wrote: > > > So, what do people say? Is Postgres perfect in your world or does > it > > > do some > > > things which

Re: [GENERAL] Pet Peeves?

2009-01-31 Thread Octavio Alvarez
On Fri, 2009-01-30 at 14:25 +, Gregory Stark wrote: > "Daniel Verite" writes: > > > Gregory Stark wrote: > > > >> Is it the hierarchical query ability you're looking for or pivot? > >> The former we are actually getting in 8.4. > >> > >> AFAIK even in systems with pivot you still have to

Re: [GENERAL] Pet Peeves?

2009-01-31 Thread Octavio Alvarez
On Sat, 2009-01-31 at 18:32 +, Greg Stark wrote: > On Sat, Jan 31, 2009 at 5:34 PM, Octavio Alvarez > wrote: > > > > It doesn't really matter. Since crosstabs are just a presentational > > variation to a query with aggregate functions and GROUP BY clauses, >

Re: [GENERAL] Pet Peeves?

2009-01-31 Thread Octavio Alvarez
On Sat, 2009-01-31 at 23:36 +, Gregory Stark wrote: > Octavio Alvarez writes: > > > A crosstab is not but a presentational transform of the data set. Any > > information you would eventually need can be taken from the original > > data source, one way or another. T

Re: [GENERAL] Pet Peeves?

2009-02-01 Thread Octavio Alvarez
On Sat, 2009-01-31 at 15:54 -0800, Octavio Alvarez wrote: > On Sat, 2009-01-31 at 23:36 +, Gregory Stark wrote: > > Octavio Alvarez writes: > > > > What about a WHERE clause like > > > > WHERE P1 > P2 > > You could either: > > (1) do &qu

Re: R: R: [GENERAL] How to check if 2 series of data are equal

2009-02-12 Thread Octavio Alvarez
On Thu, 2009-02-12 at 14:21 -0800, Adrian Klaver wrote: > On Thursday 12 February 2009 11:37:37 am Paolo Saudin wrote: > > > SELECT fulldate,sensor > FROM (SELECT fulldate,sensor,count(sensor) > FROM (SELECT 1 AS station, fulldate, meanvalue AS sensor FROM > table1 > UNION >

Re: [GENERAL] could not open relation

2004-05-22 Thread Octavio Alvarez Piza
Hi, everybody! I already solved it. Thank you. First of, I forgot to mention the version(), so FYI, 7.4.1. I followed Tom's advice in http://archives.postgresql.org/pgsql-general/2004-03/msg01073.php I shut down the PG instance. postgres -D $PG_DATA -O -P $DBNAME =# REINDEX DATABASE tbc_gamma