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postgres/src/test/modules/brin/t/01_workitems.pl

75 lines
2.5 KiB

# Copyright (c) 2021, PostgreSQL Global Development Group
# Verify that work items work correctly
use strict;
use warnings;
use TestLib;
use Test::More tests => 4;
use PostgresNode;
my $node = get_new_node('tango');
$node->init;
$node->append_conf('postgresql.conf', 'autovacuum_naptime=1s');
$node->start;
$node->safe_psql('postgres', 'create extension pageinspect');
# Create a table with an autosummarizing BRIN index
$node->safe_psql(
'postgres',
'create table brin_wi (a int) with (fillfactor = 10);
create index brin_wi_idx on brin_wi using brin (a) with (pages_per_range=1, autosummarize=on);
'
);
# Another table with an index that requires a snapshot to run
$node->safe_psql(
'postgres',
'create table journal (d timestamp) with (fillfactor = 10);
create function packdate(d timestamp) returns text language plpgsql
as $$ begin return to_char(d, \'yyyymm\'); end; $$
returns null on null input immutable;
create index brin_packdate_idx on journal using brin (packdate(d))
with (autosummarize = on, pages_per_range = 1);
'
);
my $count = $node->safe_psql('postgres',
"select count(*) from brin_page_items(get_raw_page('brin_wi_idx', 2), 'brin_wi_idx'::regclass)"
);
is($count, '1', "initial brin_wi_index index state is correct");
$count = $node->safe_psql('postgres',
"select count(*) from brin_page_items(get_raw_page('brin_packdate_idx', 2), 'brin_packdate_idx'::regclass)"
);
is($count, '1', "initial brin_packdate_idx index state is correct");
$node->safe_psql('postgres',
'insert into brin_wi select * from generate_series(1, 100)');
$node->safe_psql('postgres',
"insert into journal select * from generate_series(timestamp '1976-08-01', '1976-10-28', '1 day')");
$node->poll_query_until(
'postgres',
"select count(*) > 1 from brin_page_items(get_raw_page('brin_wi_idx', 2), 'brin_wi_idx'::regclass)",
't');
$count = $node->safe_psql('postgres',
"select count(*) from brin_page_items(get_raw_page('brin_wi_idx', 2), 'brin_wi_idx'::regclass)
where not placeholder;"
);
cmp_ok($count, '>', '1', "$count brin_wi_idx ranges got summarized");
$node->poll_query_until(
'postgres',
"select count(*) > 1 from brin_page_items(get_raw_page('brin_packdate_idx', 2), 'brin_packdate_idx'::regclass)",
't');
$count = $node->safe_psql('postgres',
"select count(*) from brin_page_items(get_raw_page('brin_packdate_idx', 2), 'brin_packdate_idx'::regclass)
where not placeholder;"
);
cmp_ok($count, '>', '1', "$count brin_packdate_idx ranges got summarized");
$node->stop;