blob: 2e1d547f0138cb7c7e50fefc0e729e9a34bfebd0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
# Tests for locking conflicts with CLUSTER command.
setup
{
CREATE ROLE regress_cluster_conflict;
CREATE TABLE cluster_tab (a int);
CREATE INDEX cluster_ind ON cluster_tab(a);
ALTER TABLE cluster_tab OWNER TO regress_cluster_conflict;
}
teardown
{
DROP TABLE cluster_tab;
DROP ROLE regress_cluster_conflict;
}
session s1
step s1_begin { BEGIN; }
step s1_lock { LOCK cluster_tab IN SHARE UPDATE EXCLUSIVE MODE; }
step s1_commit { COMMIT; }
session s2
step s2_auth { SET ROLE regress_cluster_conflict; }
step s2_cluster { CLUSTER cluster_tab USING cluster_ind; }
step s2_reset { RESET ROLE; }
# The role has privileges to cluster the table, CLUSTER will block if
# another session holds a lock on the table and succeed in all cases.
permutation s1_begin s1_lock s2_auth s2_cluster s1_commit s2_reset
permutation s1_begin s2_auth s1_lock s2_cluster s1_commit s2_reset
|
