Dear list,
I want to create a function on a table that does something before deletion
on a table, e.g. like
create or replace function table1_del() returns trigger as $$
begin
update table1 set column1=
substr(column2,1,10);
insert into table1_hist values (
Hi Tom,
I tried changing the trigger to be BEFORE instead of AFTER:
create trigger test1_point_get_id_test1_poly
before insert or update on test1_point for each row execute procedure
test1_point_get_id_test1_poly();
But the problem persits, the column id_test1_poly remains empty.
Stefan
--
Dear list,
assuming I have the following n:n relationship:
t1:
id_project
1
2
t2:
id_product
1
2
intermediary table:
t3
id_project|id_product
1|1
1|2
2|1
How can I create an output like this:
id_project|id_product1|id_product2
1|1|2
2|1|NULL
--
View this message in context:
http://postgre
Dear list,
assuming I have the following n:n relationship:
t1:
t2:
intermediary table:
t3
How can I create an output like this:
--
View this message in context:
http://postgresql.1045698.n5.nabble.com/output-query-on-many-to-many-relationship-into-several-columns-tp5733692.html
Sen
Dear list,
assuming I have two tables as follows
t1:
id_project|id_auth
1|1
2|2
t2:
id_project|id_auth
1|2
2|1
and a lookup-table:
t3
id_auth|name_auth
1|name1
2|name2
Now I want to query t1 an t2 using the 'name_auth' column of lookup-table
t3, so that I get the following out
Dear list,
sorry, I already posted this, but it did not seem to have been accepted by
the mailing list. So here's my second try:
I need to update all rows of a column ('parent') based on a subquery that
returns me the first four digits of another column ('id'):
UPDATE admin SET parent=(SELECT SU
Dear list,
sorry, I already posted this, but it did not seem to have been accepted by
the mailing list. So here's my second try:
I need to update all rows of a column ('parent') based on a subquery that
returns me the first four digits of another column ('id'):
UPDATE admin SET parent=(SELECT SU
Dear list,
I am trying to update all rows of a column ('parent') based on a subquery
that returns me the first four digits of another column ('id'):
After executing, I get the following error-message:
I am not quite sure about that, but maybe I need to construct a function to
fulfill this ta
