am Wed, dem 31.01.2007, um 7:43:05 -0500 mailte Geoffrey folgendes:
> dies. We've tracked this to an unusual situation where a sequence value
> that is being created during the process that is causing the core file
> generation. The thing that is bizarre is that the sequence value skips
> 30+ entries.
>
> How is this even possible? Any suggestions would be greatly appreciated.
A sequence don't guaranteed a gapless behavior.
Simple example:
test=# create table gap (id serial);
NOTICE: CREATE TABLE will create implicit sequence "gap_id_seq" for
serial column "gap.id"
CREATE TABLE
test=*# insert into gap values (default)
test-# ;
INSERT 0 1
test=*# commit;
COMMIT
test=# insert into gap values (default);
INSERT 0 1
test=*# insert into gap values (default);
INSERT 0 1
test=*# rollback;
ROLLBACK
test=# insert into gap values (default);
INSERT 0 1
test=*# commit;
COMMIT
test=# select * from gap;
id
----
1
4
(2 rows)
Andreas
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Andreas Kretschmer
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