On Wednesday 19 April 2006 11:10, Lucas Vendramin wrote: > Hi all. > I am creating a trigger that update the some table witch call it. > Ex: > create table t1 ( > id int, name varchar(50), c int default 0, father int, > primary key(id), > index (father), > foreign key (father) references t1(id) on update restrict on delete > restrict ); > create trigger tg_t1 > before update on t1 > for each row > begin > update t1 set c=c+1 where father=NEW.id; > end;
set NEW.c = NEW.c + 1; or whatever. You dont update on a before trigger.. Jeff
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