> I've just tested this, and I get the same thing (on 6.3.2, and yesterdays
> CVS versions).
>
> lo_unlink should be defined with oid (which I thought was the case).
>
> A temporary way round is:
>
> select lo_unlink(raster::int4) from image;
>
> Hackers: Is there any reason why it's defined as an int4?
Here is a patch for to make lo_unlink use oid, not int4.
---------------------------------------------------------------------------
Index: src/include/catalog/pg_proc.h
===================================================================
RCS file: /usr/local/cvsroot/pgsql/src/include/catalog/pg_proc.h,v
retrieving revision 1.59
diff -c -r1.59 pg_proc.h
*** pg_proc.h 1998/05/29 13:36:31 1.59
--- pg_proc.h 1998/06/13 20:23:49
***************
*** 1174,1180 ****
DATA(insert OID = 963 ( close_lb PGUID 11 f t f 2 f 600 "628 603" 100 0 10 100 foo bar ));
DESCR("closest point to line on box");
! DATA(insert OID = 964 ( lo_unlink PGUID 11 f t f 1 f 23 "23" 100 0 0 100 foo bar ));
DESCR("large object unlink(delete)");
DATA(insert OID = 972 ( regproctooid PGUID 11 f t f 1 f 26 "24" 100 0 0 100 foo bar ));
DESCR("get oid for regproc");
--- 1174,1180 ----
DATA(insert OID = 963 ( close_lb PGUID 11 f t f 2 f 600 "628 603" 100 0 10 100 foo bar ));
DESCR("closest point to line on box");
! DATA(insert OID = 964 ( lo_unlink PGUID 11 f t f 1 f 23 "26" 100 0 0 100 foo bar ));
DESCR("large object unlink(delete)");
DATA(insert OID = 972 ( regproctooid PGUID 11 f t f 1 f 26 "24" 100 0 0 100 foo bar ));
DESCR("get oid for regproc");
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