summaryrefslogtreecommitdiff
path: root/src/test/isolation/expected/read-write-unique-2.out
blob: 5e27f0adfd2a1d38dff114ed136d3897cc30a840 (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
Parsed test spec with 2 sessions

starting permutation: r1 r2 w1 w2 c1 c2
step r1: SELECT * FROM test WHERE i = 42;
i              

step r2: SELECT * FROM test WHERE i = 42;
i              

step w1: INSERT INTO test VALUES (42);
step w2: INSERT INTO test VALUES (42); <waiting ...>
step c1: COMMIT;
step w2: <... completed>
error in steps c1 w2: ERROR:  could not serialize access due to read/write dependencies among transactions
step c2: COMMIT;

starting permutation: r1 w1 c1 r2 w2 c2
step r1: SELECT * FROM test WHERE i = 42;
i              

step w1: INSERT INTO test VALUES (42);
step c1: COMMIT;
step r2: SELECT * FROM test WHERE i = 42;
i              

42             
step w2: INSERT INTO test VALUES (42);
ERROR:  duplicate key value violates unique constraint "test_pkey"
step c2: COMMIT;