blob: ff347628c6aeddc18558a3e4d65853a8a8ea3924 (
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
# Test for disable_load_balance_on_write feature.
#
# Force load balance node to 1.
##backend_weight0 = 0
##backend_weight1 = 1
# Disable load balance in current transaction only.
# (default behavior)
# Create test table
'Q' "DROP TABLE IF EXISTS pgproto_test1"
'Y'
'Q' "CREATE TABLE pgproto_test1(i INT)"
'Y'
# Start a transaction
'P' "" "BEGIN" 0
'B' "" "" 0 0 0
'E' "" 0
# Issue Parse SELECT. This should be sent to node 1.
'P' "S1" "SELECT 1" 0
# Issue INSERT
'P' "" "INSERT INTO pgproto_test1 VALUES(1)" 0
'B' "" "" 0 0 0
'E' "" 0
# Issue Bind/Execute SELECT. This should be sent to primary node.
'B' "" "S1" 0 0 0
'E' "" 0
# Issue another SELECT. This should be sent to primary node.
'P' "" "SELECT 2"
'B' "" "" 0 0 0
'E' "" 0
# Issue COMMIT
'P' "" "COMMIT" 0
'B' "" "" 0 0 0
'E' "" 0
'S'
'Y'
# Issue another SELECT. This should be sent to node 1 because outside a transaction.
'P' "" "SELECT 3"
'B' "" "" 0 0 0
'E' "" 0
'S'
'Y'
# Start a transaction
'P' "" "BEGIN" 0
'B' "" "" 0 0 0
'E' "" 0
# Issue Bind/Execute SELECT. This should be sent to node 0 despite
# disable_load_balance_on_write = 'transaction' because previous prase
# messge was sent to primary node which was done by parse_before_bind.
'B' "" "S1" 0 0 0
'E' "" 0
# Issue another SELECT. This should be sent to node 1.
'P' "" "SELECT 4"
'B' "" "" 0 0 0
'E' "" 0
# Issue COMMIT
'P' "" "COMMIT" 0
'B' "" "" 0 0 0
'E' "" 0
'C' 'S' "S1"
'S'
'Y'
# DROP test table
'Q' "DROP TABLE pgproto_test1"
'Y'
'X'
|