Hi,
what's wrong with this?
---
create table test (id int, name text, parent int);
insert into test values (1,'a',1);
insert into test values (2,'b',1);
insert into test values (3,'c',1);
create or replace function test() returns trigger as '
begin
raise info ''id: %, oldname: %'',old.id, o
Mage <[EMAIL PROTECTED]> writes:
> what's wrong with this?
> if new.parent <> old.parent then
>update test set name = ''old'' where parent = old.parent;
You should just do
if new.parent <> old.parent then
new.name = ''old'';
As you have it, the inner UPDATE pre-empts the outer because
Tom Lane wrote:
You should just do
if new.parent <> old.parent then
new.name = ''old'';
As you have it, the inner UPDATE pre-empts the outer because it is
applied first. When control comes back from the trigger, the row
the trigger was handed is now dead (already updated) and can't be
update
Michael Meskes wrote:
> On Sat, Mar 06, 2004 at 09:54:13PM +0100, Christian Rank wrote:
>
>>Today I ran into problems when combining a C program with SQL statements
>>with the ECPG interface of PostgreSQL:
>>
>>According to the documentation, it should be possible with
>> EXEC SQL WHENEVER NOT F