What's funny is that I never understood how the
MySQL/SQL-Server way could correctly work. For example I have
2 tables, both with an auto-incremental field.
Table 1 has an after insert trigger that does an extra insert
in table 2.
When I do an insert in table 1 , what does
On Mon, 24 Oct 2011, Ludo Brands wrote:
What's funny is that I never understood how the
MySQL/SQL-Server way could correctly work. For example I have
2 tables, both with an auto-incremental field.
Table 1 has an after insert trigger that does an extra insert
in table 2.
When I do an insert
michael.vancann...@wisa.be wrote:
Before MySQL 5.0.12 last_insert_id returns table 2, since 5.0.12 table 1.
Triggers were introduced in 5.0.2.
SQLServer's SCOPE_IDENTITY() returns table 1 (the trigger is out of
scope)
and @@IDENTITY returns 2.
This mess is why I prefer sequences :-)
:-)
On 2011-10-24 15:15, Ludo Brands wrote:
Most databases have functions to create GUID's (with different randomness
quality and different storage requirements):
No, no, no... you are missing the point of this thread, and what I meant
by using a GUID. The idea is that you can created the GUID
On Mon, Oct 24, 2011 at 11:26 AM, Graeme Geldenhuys
graemeg.li...@gmail.com wrote:
On 2011-10-24 15:15, Ludo Brands wrote:
Most databases have functions to create GUID's (with different randomness
quality and different storage requirements):
No, no, no... you are missing the point of
This code:
SQLGameSession := TSQLQuery.Create(nil);
SQLGameSession.Transaction := DBComm.SQLTransaction;
SQLGameSession.Database := DBComm.PQConnection;
SQLGameSession.FieldDefs.Add('SessionId', ftLargeint);
SQLGameSession.FieldDefs.Add('GameEvent', ftLargeint);
Error: bPreparation of query failed. (PostgreSQL: ERROR:
column GameSession_SessionId_seq does not exist LINE 1:
prepare prepst2 as SELECT nextval(GameSession_SessionId_se...
SQLGameSession.SQL.Text:='SELECT
nextval(GameSession_SessionId_seq) as res;';
Nextval takes a regclass as
On Sat, Oct 22, 2011 at 9:38 PM, Ludo Brands ludo.bra...@free.fr wrote:
Nextval takes a regclass as parameter, not an identifier (column). So, use
single quotes: SELECT nextval('GameSession_SessionId_seq') as res;
But Postgres requires double quotes or else it will lowercase the
entire
