Hi.
I'm performing the following query to get all items sold in 2006 which
are in category prints or gifts, but not in extra:
select order_id from
(select o.order_id from orders o join order_lines ol using (order_id)
where o.time '2006-01-01T00:00' and o.time '2007-01-01T00:00'
and
Forgot to mention that this is on postgresql 7.4.14 and FreeBSD 6.2.
regards
Claus
Hi.
I'm performing the following query to get all items sold in 2006 which
are in category prints or gifts, but not in extra:
select order_id from
(select o.order_id from orders o join order_lines ol using
I was wondering if someone could help point me in the right direction
w.r.t. foreign unique constraints. I'm working on a legacy database
and have a new requirement and am not sure how to do it.
I have something like this
create table table1 (
id SERIAL PRIMARY KEY
extension UNIQUE,
other
am Tue, dem 27.03.2007, um 9:21:44 -0400 mailte Jon Horsman folgendes:
I was wondering if someone could help point me in the right direction
w.r.t. foreign unique constraints. I'm working on a legacy database
and have a new requirement and am not sure how to do it.
I have something like
Claus Guttesen wrote:
Why does select and select(count) produce two different results?
count(expression) only counts nonnull values.
--
Peter Eisentraut
http://developer.postgresql.org/~petere/
---(end of broadcast)---
TIP 2: Don't 'kill -9' the
create table table1 (
id SERIAL PRIMARY KEY
extension UNIQUE,
I can't find anything about this syntax in the docs...
Oops, i'm missing a comma on that first line, should have been:
create table table1 (
id SERIAL PRIMARY KEY,
extension UNIQUE,
)
I think, you should write a TRIGGER for
Sabin Coanda [EMAIL PROTECTED] writes:
I used the function array_to_string, and I found it ignores NULL values,
e.g. array_to_string( 'ARRAY[1,NULL,3]', ',' ) returns '1,3'.
Do you have a better idea?
regards, tom lane
---(end of
Tom Lane wrote:
Sabin Coanda [EMAIL PROTECTED] writes:
I used the function array_to_string, and I found it ignores NULL values,
e.g. array_to_string( 'ARRAY[1,NULL,3]', ',' ) returns '1,3'.
Do you have a better idea?
If you're being strict it should presumably return NULL for the whole
Richard Huxton dev@archonet.com writes:
Tom Lane wrote:
Sabin Coanda [EMAIL PROTECTED] writes:
I used the function array_to_string, and I found it ignores NULL values,
e.g. array_to_string( 'ARRAY[1,NULL,3]', ',' ) returns '1,3'.
Do you have a better idea?
If you're being strict it
Tom Lane wrote:
Richard Huxton dev@archonet.com writes:
Tom Lane wrote:
Sabin Coanda [EMAIL PROTECTED] writes:
I used the function array_to_string, and I found it ignores NULL values,
e.g. array_to_string( 'ARRAY[1,NULL,3]', ',' ) returns '1,3'.
Do you have a better idea?
If you're being
Jon Horsman wrote:
Basically table 1 and table 2 both have the concept of an extension
that must be unique but the rest of the info in the tables are
different. I need to ensure that if i add an entry to table 1 with
extension 1000 that it will fail if there is already an entry in
table2
Claus Guttesen [EMAIL PROTECTED] writes:
select order_id from
(select o.order_id from orders o join order_lines ol using (order_id)
where o.time '2006-01-01T00:00' and o.time '2007-01-01T00:00'
and (ol.item_id = 10 or ol.item_id = 11 or ol.item_id = 12) group by
o.order_id) as prints
create table table1 (
id SERIAL PRIMARY KEY
extension UNIQUE,
other fields
)
create table table2 (
id SERIAL PRIMARY KEY
extension UNIQUE,
different fields
)
Basically table 1 and table 2 both have the concept of an extension
that must be unique but the rest of the info in the
Guy,
Could you give me a hand ?
I have a ZipCode table and my address table
I just would like to find out all matches that my zipcode table has where my
address table appears like this:
Elmo Street, 30
I would like my SQL find out all matches we can find 'Elmo', 'Street'.
The commas,
Could you give me a hand ?
I have a ZipCode table and my address table
I just would like to find out all matches that my zipcode table has where my
address table appears like this:
Elmo Street, 30
I would like my SQL find out all matches we can find 'Elmo', 'Street'.
select
Perhaps this...? It would work, but depending how many rows are in the
table, it could become incredibly slow.
ALTER TABLE table1 ADD CHECK (extension NOT IN (SELECT extension FROM
table2));
And the converse for table2:
ALTER TABLE table2 ADD CHECK (extension NOT IN (SELECT extension FROM
Perhaps this...? It would work, but depending how many rows are in the
table, it could become incredibly slow.
The max rows in either table would be about 1000 or so, which isn't
too many. There also should be a hole lot of inserting going on.
ALTER TABLE table1 ADD CHECK (extension NOT IN
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