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
82
83
84
85
86
87
88
89
90
91
92
93
|
# Copyright (c) 2021, PostgreSQL Global Development Group
# Test generic xlog record work for bloom index replication.
use strict;
use warnings;
use PostgresNode;
use TestLib;
use Test::More;
if (TestLib::has_wal_read_bug)
{
# We'd prefer to use Test::More->builder->todo_start, but the bug causes
# this test file to die(), not merely to fail.
plan skip_all => 'filesystem bug';
}
else
{
plan tests => 31;
}
my $node_primary;
my $node_standby;
# Run few queries on both primary and standby and check their results match.
sub test_index_replay
{
my ($test_name) = @_;
local $Test::Builder::Level = $Test::Builder::Level + 1;
# Wait for standby to catch up
$node_primary->wait_for_catchup($node_standby);
my $queries = qq(SET enable_seqscan=off;
SET enable_bitmapscan=on;
SET enable_indexscan=on;
SELECT * FROM tst WHERE i = 0;
SELECT * FROM tst WHERE i = 3;
SELECT * FROM tst WHERE t = 'b';
SELECT * FROM tst WHERE t = 'f';
SELECT * FROM tst WHERE i = 3 AND t = 'c';
SELECT * FROM tst WHERE i = 7 AND t = 'e';
);
# Run test queries and compare their result
my $primary_result = $node_primary->safe_psql("postgres", $queries);
my $standby_result = $node_standby->safe_psql("postgres", $queries);
is($primary_result, $standby_result, "$test_name: query result matches");
return;
}
# Initialize primary node
$node_primary = get_new_node('primary');
$node_primary->init(allows_streaming => 1);
$node_primary->start;
my $backup_name = 'my_backup';
# Take backup
$node_primary->backup($backup_name);
# Create streaming standby linking to primary
$node_standby = get_new_node('standby');
$node_standby->init_from_backup($node_primary, $backup_name,
has_streaming => 1);
$node_standby->start;
# Create some bloom index on primary
$node_primary->safe_psql("postgres", "CREATE EXTENSION bloom;");
$node_primary->safe_psql("postgres", "CREATE TABLE tst (i int4, t text);");
$node_primary->safe_psql("postgres",
"INSERT INTO tst SELECT i%10, substr(md5(i::text), 1, 1) FROM generate_series(1,100000) i;"
);
$node_primary->safe_psql("postgres",
"CREATE INDEX bloomidx ON tst USING bloom (i, t) WITH (col1 = 3);");
# Test that queries give same result
test_index_replay('initial');
# Run 10 cycles of table modification. Run test queries after each modification.
for my $i (1 .. 10)
{
$node_primary->safe_psql("postgres", "DELETE FROM tst WHERE i = $i;");
test_index_replay("delete $i");
$node_primary->safe_psql("postgres", "VACUUM tst;");
test_index_replay("vacuum $i");
my ($start, $end) = (100001 + ($i - 1) * 10000, 100000 + $i * 10000);
$node_primary->safe_psql("postgres",
"INSERT INTO tst SELECT i%10, substr(md5(i::text), 1, 1) FROM generate_series($start,$end) i;"
);
test_index_replay("insert $i");
}
|
