AC
Size: a a a
AC
С
С
doc=# select count(1) from (select oid, count(*) from pg_class group by 1 having count(*)>1) _;
count
-------
95
(1 строка)
С
С
s
s
С
С
doc=# select count(1) from (select oid, count(*) from pg_class group by oid having count(*)>1) _;
count
-------
0
(1 строка)
s
s
С
С
doc=# select relname, relfilenode from pg_class where oid=29846644::oid;
relname | relfilenode
------------------------------------------+-------------
6227840ae4d6c4bb03a6a88bd54e3159ed1d10d1 | 29846007
6227840ae4d6c4bb03a6a88bd54e3159ed1d10d1 | 29846644
(2 rows)
s
С
С
s
С
s
С