This only works as a superuser, but it's wrong nevertheless:
Session 1:
postgres=# CREATE temp table foo (x int);
CREATE TABLE
Session 2:
postgres=# SELECT * FROM pg_temp_1.foo;
x
---
(0 rows)
postgres=# INSERT INTO pg_temp_1.foo values (1);
INSERT 0 1
The insert in session 2 goes to a buffer in the shared buffer cache,
which causes problems at the next checkpoint:
ERROR: could not open relation 1663/11502/24576: No such file or directory
CONTEXT: writing block 0 of relation 1663/11502/24576
WARNING: could not write block 0 of 1663/11502/24576
DETAIL: Multiple failures --- write error might be permanent.
Without superuser rights, you'll get a permission denied error trying to
access the table from another session.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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