On Fri, 27 Nov 2009, Jeff Amiel wrote:
> --- On Fri, 11/27/09, Tom Lane wrote:
>
> > You didn't show us any evidence of that, either.? Both
> > of your test
> > cases are using the index.
>
> Ok...third try. The cost when passing in an empty string is
> SIGNIFICANTLY higher than when not. Would
On Sat, 31 Oct 2009, Denis Feklushkin wrote:
>
> Problem:
> It is necessary to synchronize the "users" table with an
> external storage of passwords (krb5)
>
> I made a trigger:
>
> CREATE TRIGGER "10_krb5"
> AFTER INSERT OR UPDATE OR DELETE
> ON users
> FOR EACH ROW
> EXECUTE PROCEDURE u
On Fri, 9 Oct 2009, Joshua D. Drake wrote:
> On Thu, 2009-10-08 at 19:16 -0600, Scott Marlowe wrote:
> > On Thu, Oct 8, 2009 at 2:22 PM, Merlin Moncure wrote:
> > >
> > > The #1 tool you have at your disposal is the human brain. I
> > > personally think GUI database tools are counter productive
On Mon, 28 Sep 2009, Maximilian Tyrtania wrote:
> testdb=# create table byteatest(blob bytea);
> CREATE TABLE
> testdb=# insert into byteatest (blob) values (E'\\007');
> INSERT 0 1
> testdb=# insert into byteatest (blob) values (E'\\008');
> ERROR: invalid input syntax for type bytea
> LINE 1: i
On Thu, 6 Aug 2009, Paul Rogers wrote:
> Why does the attached script fail with a foreign key constraint violation?
Referential actions are not deferred when a constraint is marked
deferrable (as that appears to be what the spec wants), so ON DELETE
RESTRICT will still fail on the statement, whil
On Tue, 9 Jun 2009, G. Allegri wrote:
> Hello list.
> I'm a newbie with plpgsql, so I'm sorry for doing stupid questions...
> I have a situation whit one table where items are related to two other
> tables through a common id (unique in the first table) and the table
> name. Whenever the user exec
On Sun, 25 Jan 2009, Thomas Kellerer wrote:
> Hi,
>
> I'm playing around with deferred constraints and according to the manual, it
> should be possible to declare a check constraint as deferred.
>
> At least that's how I read the definition of /column_constraint/ at
> http://www.postgresql.org/do
On Thu, 16 Oct 2008, Scott Marlowe wrote:
> On Thu, Oct 16, 2008 at 10:01 PM, Stephan Szabo
> <[EMAIL PROTECTED]> wrote:
> > On Fri, 17 Oct 2008, Tim Uckun wrote:
> >
> >> Is there a way to change this behavior so that an attempt to set the
> >> colum
On Fri, 17 Oct 2008, Tim Uckun wrote:
> Is there a way to change this behavior so that an attempt to set the
> column to NULL will result in the default value being put in the
> field?
I don't think so specifically with default, but you could use a before
trigger instead that would put in a value
On Thu, 9 Oct 2008, Raymond O'Donnell wrote:
> gfc_bookings=# select * from make_time_series('11:00', '14:00', 30);
> ERROR: set-valued function called in context that cannot accept a set
> CONTEXT: PL/pgSQL function "make_time_series" line 10 at for over
> select rows
>
> Now, I know what the e
On Sun, 28 Sep 2008, Ashutosh Chauhan wrote:
> Hi all,
>
> This has been asked before and answered as well.
> http://archives.postgresql.org/pgsql-sql/2007-12/msg2.php but I
> still cant figure out why postgres throws this error message even when
> I have provided the aliases. My query:
>
> se
On Fri, 26 Sep 2008, Chris Baechle wrote:
> When I try to run it with:
> select user_checkCredentials("asdf");
Actually, I think the function probably isn't at fault here, string
literals should be surrounded with ' not ".
--
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
To
On Tue, 16 Sep 2008, Brent Wood wrote:
> I need a foreign key (or equivalent) where the referenced table cannot
> have a unique constraint.
Well, do you need a full foreign key or just the insert-time check on the
referencing table? Does the referenced table get updates or deletes that
you want t
On Wed, 3 Sep 2008, Mira Dimitrijevic wrote:
> Hi,
> I wrote the trigger function below and when trying to execute it, I
> get the following error:
>
> 15:00:42 [CREATE - 0 row(s), 0.000 secs] [Error Code: 0, SQL
> State: 42601] ERROR: syntax error at or near "INSERT"
>
> I am using DBVisuali
On Thu, 17 Jul 2008, Ismael wrote:
> So is there no other way to do it but to verify the integrity using triggers
> and drop the referential constraints?
Well, you could do something using a before delete trigger on the
referencing table that returns NULL to avoid the delete as well, but
mak
On Wed, 4 Jun 2008, Ralph Smith wrote:
>-- ==
>good_date := to_date(year||'-'||month||'-'||day , '-MM-DD') ;
>
>RAISE INFO 'good_date = %', good_date ;
>
>UsecsD := EXTRACT(EPOCH FROM DATE 'good_date') ;
You want something like:
UsecsD
On Wed, 4 Jun 2008, Ralph Smith wrote:
>date_string := to_date(year||'-'||month||'-'||day , '-MM-DD') ;
>RAISE INFO 'date_string = %', date_string ;
>good_date := to_timestamp(date_string, '-MM-DD') ;
>RAISE INFO 'good_date = %', good_date ;
This seems like alot of extra
On Wed, 4 Jun 2008, Ralph Smith wrote:
>-- ==
>good_date := to_date(year||'-'||month||'-'||day , '-MM-DD') ;
>RAISE NOTICE 'good_date = %',good_date ;
>Usecs := EXTRACT(EPOCH FROM TIMESTAMP good_date) ;
> END ;
>
> QUERY: SELECT EXTR
On Wed, 4 Jun 2008, sam wrote:
> Can someone explain me about the exception handling in postgresql. Iam
> not understanding the scope of a exception block. The exact confusion
> that iam facing is as follows:
> I have a procedure as follows
> BEGIN
> EXECUTE an update statement
>
> EXECUTE an inse
On Tue, 3 Jun 2008, Rob Johnston wrote:
> Just wondering if this is expected behaviour. When executing a query in
> the form of:
>
> select column from table join table using (column) and column = clause
>
> pgsql (8.2) returns the following: syntax error at or near "and"
>
> Obviously, you can ge
On Tue, 27 May 2008, J. Manuel Velasco wrote:
> Hello,
>
> This is the current query I have:
>
> SELECT dominis.nom, dominis.extensio, dominis.creat, dominis.expira,
> titulars.first_name, titulars.last_name, contactes_admin_tec.first_name,
> contactes_admin_tec.last_name, dns1.nom, dns2.nom, dom
On Wed, 14 May 2008, Karsten Hilbert wrote:
> Modifying to:
>
> select * from (
>
> select distinct on (name) * from (
>
> select *, 1 as rank from dem.urb where
> name ilike 'Lei%' and
> zip = '0
On Mon, 28 Apr 2008 [EMAIL PROTECTED] wrote:
> I'm fairly new to PG and databases in general so this may very well be
> a problem in my thought process.
>
> If I have a simple table with an ID (integer) and Animal (text) like
> this...
>
> 1 Dog
> 2 Cat
> 3 NULL
> 4 Horse
> 5 Pig
> 6 Cat
> 7 Cat
>
On Wed, 23 Apr 2008, Leandro Casadei wrote:
> On Wed, Apr 23, 2008 at 10:59 AM, Stephan Szabo <
> [EMAIL PROTECTED]> wrote:
>
> > On Tue, 22 Apr 2008, Leandro Casadei wrote:
> >
> > > Hi, I need to update a field from a table based in a
On Tue, 22 Apr 2008, Leandro Casadei wrote:
> Hi, I need to update a field from a table based in a count.
>
> This is the query:
>
>
> updateshops
> setitemsqty =
> (
> select count(*)
> from items i1
> join shops s1 on i1.shopid = s1.shopid
> where s1.sh
On Sun, 13 Apr 2008, Ivan Sergio Borgonovo wrote:
> On Sun, 13 Apr 2008 16:02:35 +0800
> Craig Ringer <[EMAIL PROTECTED]> wrote:
>
> > > I think this logic is already somewhere in the driver or the pg
> > > engine. Whatever you write at the application level a) risk to be
> > > a duplication of pa
On Sat, 5 Apr 2008, Tom Allison wrote:
> If it doesn't remove the 8.2 then I guess I can migrate it.
> But that requires that I still need to get 8.2 running.
>
>
> Right now it complains that it can't find a listening socket at /tmp/...
> (localhost mode). And I can't find the configuration file
On Sat, 5 Apr 2008, Tom Allison wrote:
> I ran into a problem today where somewhere my port of postgresql82 just
> stopped working. I'm largely an idiot on Mac because I use is as a
> workstation/development box and do most of the real system related work
> on my debian boxes.
>
> But I don't kno
On Fri, 4 Apr 2008 [EMAIL PROTECTED] wrote:
> hi all, i want to know how to insert values into the field which is a complex
> type. In fact it is a complex type which also include a complex type. The
> following is its definition:
> create TYPE lifetime as( strattime date, endtime date);
> crea
On Thu, 20 Mar 2008, Mason Hale wrote:
> Hello --
>
> I'm getting some unexpected results with a NOT IN query -- this is on 8.2.5.
>
> This is the query in question:
>
> prod_2=> select id from feed_download_task where id in (02466,141701504)
> and id not in (select last_feed_download_task_id
On Sat, 1 Mar 2008, Thomas Kellerer wrote:
> I was writing a statement retrieve dependency information out of the
> system catalog, when I noticed something that I didn't expect.
>
> I wanted to use the following statement to "translate" the relkind
> column to a more descriptive value:
>
> selec
On Tue, 26 Feb 2008, craigp wrote:
> These create table commands succeed, even tho the foreign key refers to
> a 'different' type (int2 product_id column refers to an int8 column):
The requirements in recent SQL specs appears to be that the column types
are comparable, not the same.
SQL2003 11.8
On Mon, 18 Feb 2008, Tom Lane wrote:
> Alexey Nalbat <[EMAIL PROTECTED]> writes:
> > create table t1 ( id integer primary key, name text );
> > create table t2 ( id integer references t1 );
> > insert into t1 values ( 1 );
> > insert into t2 values ( 1 );
>
> > Then two concurrent transactions sta
On Sat, 16 Feb 2008, Ken Johanson wrote:
> Tom Lane wrote:
>
> > Hm, good point, so really we ought to have a separate casting path for
> > numeric types to char(n). However, this section still doesn't offer
> > any support for the OP's desire to auto-size the result; it says
> > that you get an
On Sat, 16 Feb 2008, Tom Lane wrote:
> Stephan Szabo <[EMAIL PROTECTED]> writes:
> > On Tue, 12 Feb 2008, Tom Lane wrote:
> >> Also, section 6.10 defines an explicit cast to
> >> a fixed-length string type as truncating or padding to the target
> >> l
[Way behind on reading stuff - so I hope this wasn't covered later]
On Tue, 12 Feb 2008, Tom Lane wrote:
> Ken Johanson <[EMAIL PROTECTED]> writes:
> > For sake of interoperability (and using an API that requires String-type
> > hashtable keys), I'm trying to find a single CAST (int -> var/char)
On Thu, 7 Feb 2008, Harald Fuchs wrote:
> This works fine in 8.2.4, but 8.3.0 rejects the ALTER TABLE with the
> following (somewhat misleading) error message:
>
> ERROR: insert or update on table "t2" violates foreign key constraint
> "t2_t1id_fk"
> DETAIL: Key (t1id)=(t1id1) is not presen
On Sat, 19 Jan 2008, Sue Fitt wrote:
> Hi All,
>
> I'm having trouble with turning off notices. Within psql I use \set
> VERBOSITY terse, which is fine. However, using psql -c I am having
> trouble. It seems I should be able to use psql -qc 'mycommand' but I am
> still getting notices output, e.g.
On Sat, 11 Aug 2007, Pavel Stehule wrote:
> Hello
>
> I found strange postgresql's behave. Can somebody explain it?
There's a bug since it should work for any number, but we've likely missed
something. I'm not sure why 2 references work, as I'd expect it to stop
working after 1 with the likely ca
On Wed, 1 Aug 2007, Scott Marlowe wrote:
> On 8/1/07, Mason Hale <[EMAIL PROTECTED]> wrote:
> > On a 8.1.9 version database that has been recently vacuumed and
> > analyzed, I'm seeing some dramatic performance degradation if a limit
> > clause is included in the query. This seems counter-intuiti
On Fri, 27 Jul 2007, pc wrote:
> Hi,
>
> I have a table test with columns col1 col2.col2 contains an entry
> '\N' .I want to select all entries which have '\N' in col2.How do i
> do that?
>
> select * from test where col2 like '\N' ;
> select * from test where col2 like '\\N' ;
select * from
On Tue, 24 Jul 2007, Csaba Nagy wrote:
> > How about using the following?
> >
> > delete from
> > where ctid in (select ctid from limit );
> >
>
> I actually checked this out before starting this thread, and the plan
> looked like:
>
> > explain delete from my_table where ctid in (select cti
On Tue, 24 Jul 2007, Gregory Stark wrote:
> "Csaba Nagy" <[EMAIL PROTECTED]> writes:
>
> >> Unfortunately the stuff that makes a ctid= nice doesn't seem to be
> >> used when you're doing an in. It's possible that a function that does
> >> something like
> >> for rec in select ctid from my_table
On Wed, 6 Jun 2007, Woody Woodring wrote:
> I am seeing weirdness using the trim function on a string:
>
> This works as expected:
>
> SELECT 'dhct:bn', trim(leading 'dhct:' from 'dhct:bn');
> ?column? | ltrim
> --+---
> dhct:bn | bn
> (1 row)
>
> However it fails for these cases:
On Sun, 22 Apr 2007, Roland Turner wrote:
> I'm working with 7.4, but the 8.2 docs[1] have the same apparent error:
>
> ROW SHARE
>
> Conflicts with the EXCLUSIVE and ACCESS EXCLUSIVE lock modes.
>
> The SELECT FOR UPDATE and SELECT FOR SHARE commands acquire a
> lock of th
On Sun, 8 Apr 2007, Andrus wrote:
> I have tables with large number of columns some of which are duplicate.
> I need to use
>
> SELECT t1.*, t2.* FROM t1 join t2 using (t)
>
> since I don't know all column names of t1 and t2 tables at design time.
>
> In this case PostgreSQL returns table with du
On Thu, 29 Mar 2007, Carlos H. Reimer wrote:
> Humm, ok, it is clear now.
>
> And is there a way to change something in this behaviour, like not ignore
> spaces and some type of symbols?
Well, right now it's generally determined by your OS's definition of the
locale you've chosen. You might be ab
On Wed, 28 Mar 2007, Carlos H. Reimer wrote:
> Hi,
>
> We have a PostgreSQL 8.0.6 cluster configured with lc_collate=pt_BR.UTF-8
> and when we run the following SELECT:
> SELECT substr(nomerazao,1,4),
> ascii(substr(nomerazao,1,1)),
> ascii(substr(nomerazao,2,1))
> from spunico.unico order by nome
On Mon, 19 Mar 2007, Glen W. Mabey wrote:
> Hello,
>
> I'm using 8.1.8, and I have a situation where a record in one table is
> only meaningful when it is referenced via foreign key by one or more
> records in any one of several tables.
>
> So, really what I want is when one of the referring recor
On Wed, 14 Mar 2007, Randall Smith wrote:
> Stephan Szabo wrote:
> > On Wed, 14 Mar 2007, Randall Smith wrote:
> >
> >> Scott Marlowe wrote:
> >>> This whole discussion is reminding me of one of my personal mantras, and
> >>> that is that relyin
On Wed, 14 Mar 2007, Randall Smith wrote:
> Scott Marlowe wrote:
> > This whole discussion is reminding me of one of my personal mantras, and
> > that is that relying on "artifacts" of behaviour is generally a bad
> > idea.
> >
> > For instance, many databases accept != for not equal, but the sql
On Fri, 23 Feb 2007, Joris Dobbelsteen wrote:
> >-Original Message-
> >From: Martijn van Oosterhout [mailto:[EMAIL PROTECTED]
> >Sent: vrijdag 23 februari 2007 9:50
> >To: Joris Dobbelsteen
> >Cc: pgsql-general@postgresql.org
> >Subject: Re: [GENERAL] complex referential integrity constra
On Thu, 22 Feb 2007, Joris Dobbelsteen wrote:
> >-Original Message-
> >From: [EMAIL PROTECTED]
> >[mailto:[EMAIL PROTECTED] On Behalf Of
> >Martijn van Oosterhout
> >Sent: donderdag 22 februari 2007 18:17
> >To: Joris Dobbelsteen
> >Cc: Robert Haas; pgsql-general@postgresql.org
> >Subject:
On Tue, 20 Feb 2007, Yonatan Ben-Nes wrote:
> Hi everyone,
>
> I'm trying to write a PL/pgSQL function which execute an insert, I encounter
> a problem when I try to insert NULL value into an integer field.
> The following code is for reproducing:
>
> CREATE TABLE test(
> bh INT8
> );
>
> CREATE O
On Sun, 18 Feb 2007, Jeff Ross wrote:
> Tom Lane wrote:
> >
> > Since ceil() produces float8 which does not implicitly cast to int,
> > this call has probably never done what you thought --- AFAICS it will
> > cast all the arguments to text and invoke substring(text,text,text)
> > which treats its
On Mon, 22 Jan 2007, gustavo halperin wrote:
> I can't create triggers, when I call for example:
> ficha=> CREATE TRIGGER TRG_persons_id AFTER INSERT ON ficha_ofperson
> ficha-> EXECUTE PROCEDURE add_person_id ( 'family_id', 'person_id' );
>
> , the creation never finish and finally, after many m
On Tue, 16 Jan 2007, Bertram Scharpf wrote:
> Hi,
>
>
> please have a look at these introducing statements:
>
> sandbox=# create table q(i integer, t text, primary key (i,t));
> sandbox=# create table f(i integer, t text, foreign key (i,t) references q);
>
> Now, this is surprising me:
>
> s
On Wed, 22 Nov 2006, Alexander Presber wrote:
> Hello everybody,
>
> I am trying to speed up a query on an integer column by defining an
> index as follows
>
> > CREATE INDEX idx_main_subject ON pdb.main (lower(main_subject::text)
> using varchar_ops);
>
> on column "main_subject".
>
> I had hope
On Tue, 7 Nov 2006, Alain Roger wrote:
> Hi,
>
> I' still with my stored procedure :
>
> -- Function: SP_U_001(typeofarticle varchar)
>
> -- DROP FUNCTION SP_U_001(typeofarticle varchar);
>
> CREATE OR REPLACE FUNCTION SP_U_001(IN typeofarticles VARCHAR)
> RETURNS SETOF active_articles AS
> $BO
On Sat, 4 Nov 2006, novnov wrote:
>
> Thanks to both of you for responding. I should have included the code for my
> own attempt, at #1 which is just as you suggest:
>
> update item set itemname = 'fox';
>
> I've tried single, and double quoting the table and field names; call caps
> to the UPDATE
On Fri, 3 Nov 2006, novnov wrote:
> I'm completely new to pgsql, using 8.1 and pgAdmin III. I'm not finding a lot
> of bare bones simple example stored procs that I can learn from. It would be
> very helpful if someone could show me some simple code.
>
> In the pgAdmin interface I've been picking
On Tue, 31 Oct 2006, Jamie Deppeler wrote:
> Here is my problem
>
> I have a level structure which is 5 levels deep with 6 tables, for this
> example i will call it table1,table2,table3,table4,table5,table6
>
> (1)table1
> (2)table2
> (3)table3
> (4)table4
> (5)table5,table6
> (6)table7,table8
>
On Fri, 27 Oct 2006, John Cobo wrote:
> I am trying to create some functions which return many rows using
> plpgsql. This example could be done with SQL, but later I will need
> plpglsql. I was constantly getting the wrong record type error with a
> couple different functions. Finally I found t
On Fri, 20 Oct 2006, Javier Carlos wrote:
>Does anybody know what's the meaning of the c (lowercase) privilege in
> PostgreSQL 8.2 Beta?
That should be for CONNECT privilege.
---(end of broadcast)---
TIP 6: explain analyze is your friend
On Sun, 1 Oct 2006, rlee0001 wrote:
> I know, for example, that by default PostgreSQL assigns every record a
> small unique identifier called an OID. It seems reasonable then, that
> when the DBA creates a cascading foreign key to a record, that the DBMS
> could, instead of storing the record's en
On Wed, 27 Sep 2006, Dan Libby wrote:
> Background:
>
> I have a hierarchical table where I have coordinate data for only the leaf
> nodes. I therefore want to find the center of all the leaf nodes under a
> given parent node, and set the parent node coordinate to that center point.
>
> I can cal
On Sun, 10 Sep 2006, Behrang Saeedzadeh wrote:
> But "not null" is in contradiction with "default null" so the create
> statement should not proceed successfuly IMHO.
The fact that the default value isn't going to pass a constraint means
that it's invalid to not provide a value or use default, y
On Sun, 10 Sep 2006, Behrang Saeedzadeh wrote:
> Shouldn't this create statement trigger an error?
>
> create table bar (col1 int not null default null);
>
> Shouldn't I be forbidden to insert null values into a non null column?
I think it should forbid it when the default actually comes into p
On Thu, 17 Aug 2006, Alexander Farber wrote:
> I have this strange problem that the following statement works:
NULLs are not your friends. :(
> phpbb=> select user_id, username from phpbb_users
> phpbb-> where user_id in (select ban_userid from phpbb_banlist);
> user_id | username
> -
On Wed, 16 Aug 2006, Peter Nixonn wrote:
> I am getting a result for an JOIN that I think is wrong. Maybe its my
> understanding that is wrong here however, so please be gentle :-)
>
> The "phones" table contains a list of phone numbers and an associated
> customer ID. The radacct table contains a
On Tue, 15 Aug 2006, gustavo halperin wrote:
> Hello
>
> I need many tables of type "id" and "name", see below:
> / CREATE TABLE id_names (
> idsmallintCONSTRAINT the_id PRIMARY KEY NOT NULL,
> nametextCONSTRAINT the_name UNIQUE
> ) WIT
On Fri, 4 Aug 2006, Nikolay Samokhvalov wrote:
> On 8/4/06, Nikolay Samokhvalov <[EMAIL PROTECTED]> wrote:
> [...]
> > BTW, difference vanishes due to expression power of SQL -
> > it supports session comands in the same context as DDL commands and
> > data manipulation stmts (SQL:200n, 4.33.2.5
On Tue, 25 Jul 2006, Christian Schoenebeck wrote:
> Am Dienstag, 25. Juli 2006 00:01 schrieb Stephan Szabo:
> > The above basically looks like:
> > CASE WHEN THEN ELSE
> > END.
> >
> > In SQL92 at least, the form of which looks like (SELECT
> > ...) is
On Mon, 24 Jul 2006, Christian Schoenebeck wrote:
> Consider the following server side function:
>
> CREATE FUNCTION my_function(int4) RETURNS SETOF int8 AS
> $BODY$
> SELECT
> CASE WHEN (some_condition)
> THEN (
> SELECT ... -- arbitrary select (returning row(s) of int8 values)
>
On Wed, 12 Jul 2006, Rich Shepard wrote:
>I'm trying to assist the XRMS developers port their application to
> postgres (8.1.x on), and it's almost there. One (perhaps the only) stumbling
> block is case for table and column (relation and attribute) names.
> Apparently MySQL allows for mixed c
On Fri, 7 Jul 2006, Michael Loftis wrote:
> OK I'm either insane or found a bug in 8.1.3
>
> If you execute say:
>
> SELECT DISTINCT(ua.user_id),pa.poll_id FROM user_answers ua, poll_answers
> pa WHERE pa.poll_answer_id = ua.poll_answer_id AND ua.active='Y';
>
> Everything is fine, however if you
On Wed, 3 May 2006, Arjan Vroege wrote:
> Hello,
>
> I have the following Query with Subqueries.
> This query gives the error : ERROR: more than one row returned by a subquery
> used as an expression. Is there a solution to solve this problem:
Scalar subqueries (like the ones in your select list)
On Thu, 4 May 2006, Rich Doughty wrote:
> I have a foreign key constraint that I'd like to alter. I'd rather not
> drop and re-create it due to the size of the table involved. All I need
> to do is add an ON UPDATE CASCADE.
>
> Is it ok to set confupdtype to 'c' in pg_constraint (and will this be
On Fri, 21 Apr 2006, Alban Hertroys wrote:
> Stephan Szabo wrote:
> >>SQL> CREATE TABLE ltree_test (path ltree PRIMARY KEY REFERENCES
> >>ltree_test(path));
> >>NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index
> >>"ltree_test_pkey&q
On Fri, 21 Apr 2006, Alban Hertroys wrote:
> Teodor Sigaev wrote:
> >> Maybe something along the lines of the following is possible?:
> >
> > Exact, it's for what ltree was developed.
>
> Cool, looks like it is what I need then.
>
> > contrib_regression=# select 'a.b.c' <@ 'a.b'::ltree;
> > ?colu
On Fri, 21 Apr 2006, Andrus wrote:
> > ... and there doesn't appear (for
> > non-match partial constraints) seem to be a special case for the
> > referenced row coming back into existance as far as I can tell either.
>
> > Or, if you're willing to patch, I think a first order approximation of
> >
On Thu, 20 Apr 2006, Stephan Szabo wrote:
> On Thu, 20 Apr 2006, Andrus wrote:
>
> > I want to replace ( delete and insert) records in master table .
> > I delete and insert record with same primary key.
> > I want that foreign key records are not deleted.
>
On Thu, 20 Apr 2006, Andrus wrote:
> I want to replace ( delete and insert) records in master table .
> I delete and insert record with same primary key.
> I want that foreign key records are not deleted.
>
> I tried
>
> begin;
> create temp table t1 ( pk integer primary key );
> insert into t1 va
On Tue, 4 Apr 2006, Anastasios Hatzis wrote:
> Hello!
>
> I want to realize some kind of parent-child relation with-in a table,
> but have problems with foreign key / references. Probably this issue
> occurs because I use inheritance (as implied by some pages, I found).
Probably. If the matching
On Sat, 1 Apr 2006, Ashley Moran wrote:
> I'm still relatively new to Postgres (at least when it comes to
> clever stuff - especially rules) so I hope I've missed something here.
>
> Basically I'm still trying to combine multiple databases with
> identical schemas into one schema, adding a column
On Fri, 31 Mar 2006, Andrus wrote:
> >> In real application I have long expression instead of 123 and do'nt want
> >> repeat this expression in HAVING clause.
> >
> > You have to repeat the expression. "AS" changes the output name, it
> > can't be used either in the where clause or any other limi
On Wed, 29 Mar 2006, Nico Callewaert wrote:
> Is it wise to define foreign keys for referential entegrity ?
> Example : I have a customer table with 40 fields. Out of that 40
> fields, 10 fields contain information linked to other tables. So, is
> defining foreign keys for these 10 fiel
> Ok, find attached a script called test.sql that will create three tables
> called parent, child, and totals. It will create a simple AFTER UPDATE
> trigger on child and a BEFORE trigger on parent simply to show that the
> values of batch and chkno are set to NULL right in the beginning. Just loa
On Tue, 21 Mar 2006, Larry White wrote:
> I can't figure out how to pass parameters to a trigger function.
>
> I checked the documentation and saw that trigger functions don't take
> params in the usual fashion,
> but couldn't find an example of a pl-sql trigger function that used
> the original r
On Fri, 17 Mar 2006, loki wrote:
> Hi,
> i'm just starting with postgres DB, but this looks very strange to me:
>
> If i try to create table with collumn user, it fails with error:
> create exec error:ERROR: syntax error at or near "user" at character 368
USER is a reserved word in SQL and as s
On Thu, 9 Mar 2006, Tony Smith wrote:
> I have two tables action and group:
>
> action
>
> id,
> name
>
> group:
>
> action_id
> rank
>
> I what to select from action table by order by the
> rank in the group table.
>
> If I use
>
> select * from a
On Mon, 27 Feb 2006, Nikolay Samokhvalov wrote:
>it's completely different thing. look at the spec and you'll
>understand the difference. in two words, with 'DISTINCT ON' we lose
>some values (from some columns), when UNION not (it just removes
>duplicates, comparing _entire_ rows).
No it's not,
On Mon, 27 Feb 2006, Nikolay Samokhvalov wrote:
> On 2/27/06, Bruno Wolff III <[EMAIL PROTECTED]> wrote:
> The alternatives to distinct on are painful. They are generally both harder
> to read and run slower.
>
>'DISTINCT ON' is evil constuction, because (w/o any 'ORDER BY') it
>produses unpredi
On Sat, 18 Feb 2006, Brendan Duddridge wrote:
> Hi,
>
> I have a query that returns 569 rows in FrontBase, but only 30 rows
> in Postgres. The data is the same as I just finished copying my
> entire database over from FrontBase to Postgres.
>
> I've reduced my problem to the following statement an
On Sat, 18 Feb 2006, Peter wrote:
> Hello,
>
> I am migrating to postgresql from another database. I want to take
> advantage of using domains. Let's suppose I create domain
> 'email'(varchar 128). Then I change my mind and want to increase all
> columnst that have type 'emaill' to varchar(255). H
On Mon, 13 Feb 2006, Ken Winter wrote:
> You're right: This thing I call a "view-table" would behave *exactly* like a
> view that has insert, update, and delete rules.
>
> The *only* difference I'm trying to achieve is to get it stored in
> pg_catalog.pg_class with relkind = 'r' ("ordinary table"
On Sun, 12 Feb 2006, Ken Winter wrote:
> > -Original Message-
> > From: Stephan Szabo [mailto:[EMAIL PROTECTED]
> > Sent: Sunday, February 12, 2006 8:47 PM
> > To: Ken Winter
> > Cc: 'Tom Lane'; 'PostgreSQL pg-general List'
> > Subj
On Sun, 12 Feb 2006, Ken Winter wrote:
> Hi Tom ~
>
> You're right: I appealed to the PostgreSQL folks rather than the client
> tool builders. I did so because my guess is that the latter have a harder
> row to hoe: They have to figure out whether a view really IS updatable -
> most presumably
On Thu, 9 Feb 2006, Alexander Presber wrote:
> Hello everybody,
>
> Assuming I want to empty and refill table A (with roughly the same
> content, preferrably in one transaction) and don't want to completely
> empty a dependent table B but still keep referential integrity after
> the commit.
>
> W
On Thu, 2 Feb 2006 [EMAIL PROTECTED] wrote:
> The problem was fixed by initializing the array before giving it a
> value. Not surprising Postges isnt as popular as it should be. I was by
> luck that I found this out - the manual says nothing about init arrays.
Well, I think that's in part becaus
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