On Tue, 16 Jul 2002, Devrim GUNDUZ wrote:
You need to identify your problem: preorder traversal on a tree
using pointers for the fathers.
Then you have to prove (or prove the opposite) that SQL alone
is capable of expressing what you need.
BTW, Nested Sets are only good for static databases.
On Tuesday 16 July 2002 21:41, you wrote:
On Tue, 16 Jul 2002, Rajesh Kumar Mallah. wrote:
Hi folks,
This problem has been troubling me for quite sometime and
I would be very thankful for your help.
I have included the complete commented script to recreate the problem in
question.
Hi,
I'm handling large objects from JDBC in a servlet environment. Every
time we create a lo we also create a row in the zp_file table that
holds additional information about the file, as well as the oid of
the large object:
Column | Type | Modifiers
On Tue, Jul 16, 2002 at 12:37:04PM -0500, Kevin Brannen wrote:
Josh Berkus wrote:
Christopher,
In the bad old days when we couldn't distinguish explicit from implicit
cast functions, I was wary of adding new cast pathways. Too many
implicit casts and you have no type system at all.
On Tuesday 16 Jul 2002 11:42 pm, Josh Berkus wrote:
OK, I guess I'll have to get into detail:
[detail on cases and trial-groups]
Thus, I need to relate (in views and queries) each Event to the Union of
Cases and Trial Groups. I just can't figure out how to do so without the
database
Hello,
is there a way to ask the system tables if a given index was created
with the unique qualification? I don't want to insert data to try.
Greetings,
Dirk
---(end of broadcast)---
TIP 6: Have you searched our list archives?
I have a query and estimations and results don´t
look similar, here is explain analyze:
NOTICE: QUERY PLAN:
Sort (cost=12443.90..12443.90 rows=1
width=93) (actual time=505331.94..505332.67 rows=175 loops=1)
- Aggregate (cost=12443.88..12443.89 rows=1 width=93) (actual
On Wed, 17 Jul 2002, Dirk Lutzebaeck wrote:
Yes.
Select the oid from pg_class where relname is your index name.
Then search in pg_index for column indisunique using the previous oid
as indexrelid.
Hello,
is there a way to ask the system tables if a given index was created
with the
Thanks that worked, but why does that happen or maybe you could point to the proper
thread so I read up on it.
Alain Lavigne - Data Administrator - ZAQ Interactive Solutions E-Mail:
[EMAIL PROTECTED]
On Tue, Jul 16, 2002 at 15:42:23 -0700,
Josh Berkus [EMAIL PROTECTED] wrote:
Table events, the largest table in the database, contains event schedule
listing with 11 attributes and one dependant table as well as recursive
relationships between events. Each event record can be (and Must
On Tue, 16 Jul 2002 10:51:03 +0200
Luis Alberto Amigo Navarro [EMAIL PROTECTED] wrote:
Aggregate (cost=1257368.92..1287375.04 rows=600122 width=12) (actual
time=1236941.71..1454824.56 rows=62 loops=1)
- Group (cost=1257368.92..1272371.98 rows=6001225 width=12) (actual
perhaps This is more elegant has Tom has indicated :
select pg_get_indexdef(oid) from pg_class where relname = 'email_bank_email';
pg_get_indexdef
---
CREATE UNIQUE INDEX email_bank_email
On Wed, 17 Jul 2002, Rajesh Kumar Mallah. wrote:
On Tuesday 16 July 2002 21:41, you wrote:
On Tue, 16 Jul 2002, Rajesh Kumar Mallah. wrote:
Hi folks,
This problem has been troubling me for quite sometime and
I would be very thankful for your help.
I have included the
Bruno,
I think you might be able to do this using (one sided) outer joins of the
event
table to the Case and Trial Group tables. The join rules will need to work
for
exactly one of the two tables. You probably will want to use case statements
in
the select list to pick values from the
Just in case there was some misunderstanding of my suggestion here is
what I had in mind.
Your query:
SELECT t1.id, t1.name, t1.abbreviation, t1.juris_id
FROM t1
UNION ALL
SELECT t2.id, t2.name, NULL, t2.juris_id
FROM t2;
My suggestion:
SELECT t3.id, coalesce(t1.name, t2.name), t1.abbreviation,
what if i do not want to fire sperate delete SQLs for the slave
tables ?
Hi ,
what is mean is that I a have many tables(x,y,z...) which reference the
master table (M).
I want that the records from the tables (x,y,z ect) automatically get deleted
in the function when i delete the
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