O James Doherty έγραψε στις Jun 10, 2005 :
>
> The following bug has been logged online:
>
> Bug reference: 1715
> Logged by: James Doherty
> Email address: [EMAIL PROTECTED]
> PostgreSQL version: 8.0.3
> Operating system: Solaris 8 Intel
> Description: dbmirror replaces nextval, setval functions
> Details:
>
> The dbmirror contrib program replaces some key functions when setting up the
> Mirroring table (MirrorSetup.sql). The nextval and setval functions are
> renamed as nextval_pg and setval_pg and replaced with new functions.
>
> This breaks any fields made with the SERIAL datatype, which have to be
> ALTER'ed to use the nextval_pg and setval_pg functions to work properly.
>
>
> Here's the offending code in MirrorSetup.sql:
> UPDATE pg_proc SET proname='nextval_pg' WHERE proname='nextval';
>
> CREATE FUNCTION pg_catalog.nextval(text) RETURNS int8 AS
> '$libdir/pending.so', 'nextval' LANGUAGE 'C' STRICT;
>
>
> UPDATE pg_proc set proname='setval_pg' WHERE proname='setval';
>
> CREATE FUNCTION pg_catalog.setval("unknown",integer,boolean) RETURNS int8
> AS
> '$libdir/pending.so', 'setval' LANGUAGE 'C' STRICT;
> CREATE FUNCTION pg_catalog.setval("unknown",integer) RETURNS int8 AS
> '$libdir/pending.so', 'setval' LANGUAGE 'C' STRICT;
You are right, since dbmirror mirrors tables based on whether
the recordchange trigger is present, whereas it seems
to mirror sequences unconditionally.
You could rename dbmirror's setval,nextval to
dbmirror_setval,dbmirror_nextval, and leave
postgresql's original functions as is.
Just a note tho:
Dbmirror is a great tool, but someone needs to hack a great deal
of code to meet his/her special requirements.
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--
-Achilleus
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