Edward Q. Bridges's detailed statement regarding sequences, of which I extract merely the most pessimistic part:
> begin;
> insert into foo (A,B) values (B);
> select currval('foo_A_seq');
> commit;
>
> note that the transaction is key, without
> which there's no guarantee that some other
> statement will affect the value of the
> sequence.
quite clearly conflicts what what seems to me to be the plain meaning of the manual page for CREATE SEQUENCE which
states,in part:
> multiple backends are guaranteed to
> allocate distinct sequence values
Can some knowledgable person here save a bunch of us plain old user-programmers the trouble of trying to trace down
whatthe source says and just clarify this issue? Thanks!
>
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