postgresql/src/bin/pgbench/t/001_pgbench_with_server.pl

1509 lines
40 KiB
Perl

# Copyright (c) 2021-2024, PostgreSQL Global Development Group
use strict;
use warnings FATAL => 'all';
use PostgreSQL::Test::Cluster;
use PostgreSQL::Test::Utils;
use Test::More;
# Check the initial state of the data generated. Tables for tellers and
# branches use NULL for their filler attribute. The table accounts uses
# a non-NULL filler. The history table should have no data.
sub check_data_state
{
local $Test::Builder::Level = $Test::Builder::Level + 1;
my $node = shift;
my $type = shift;
my $sql_result = $node->safe_psql('postgres',
'SELECT count(*) AS null_count FROM pgbench_accounts WHERE filler IS NULL LIMIT 10;'
);
is($sql_result, '0',
"$type: filler column of pgbench_accounts has no NULL data");
$sql_result = $node->safe_psql('postgres',
'SELECT count(*) AS null_count FROM pgbench_branches WHERE filler IS NULL;'
);
is($sql_result, '1',
"$type: filler column of pgbench_branches has only NULL data");
$sql_result = $node->safe_psql('postgres',
'SELECT count(*) AS null_count FROM pgbench_tellers WHERE filler IS NULL;'
);
is($sql_result, '10',
"$type: filler column of pgbench_tellers has only NULL data");
$sql_result = $node->safe_psql('postgres',
'SELECT count(*) AS data_count FROM pgbench_history;');
is($sql_result, '0', "$type: pgbench_history has no data");
}
# start a pgbench specific server
my $node = PostgreSQL::Test::Cluster->new('main');
# Set to untranslated messages, to be able to compare program output with
# expected strings.
$node->init(extra => [ '--locale', 'C' ]);
$node->start;
# tablespace for testing, because partitioned tables cannot use pg_default
# explicitly and we want to test that table creation with tablespace works
# for partitioned tables.
my $ts = $node->basedir . '/regress_pgbench_tap_1_ts_dir';
mkdir $ts or die "cannot create directory $ts";
# the next commands will issue a syntax error if the path contains a "'"
$node->safe_psql('postgres',
"CREATE TABLESPACE regress_pgbench_tap_1_ts LOCATION '$ts';");
# Test concurrent OID generation via pg_enum_oid_index. This indirectly
# exercises LWLock and spinlock concurrency.
my $labels = join ',', map { "'l$_'" } 1 .. 1000;
$node->pgbench(
'--no-vacuum --client=5 --protocol=prepared --transactions=25',
0,
[qr{processed: 125/125}],
[qr{^$}],
'concurrent OID generation',
{
'001_pgbench_concurrent_insert' =>
"CREATE TYPE pg_temp.e AS ENUM ($labels); DROP TYPE pg_temp.e;"
});
# Trigger various connection errors
$node->pgbench(
'no-such-database',
1,
[qr{^$}],
[
qr{connection to server .* failed},
qr{FATAL: database "no-such-database" does not exist}
],
'no such database');
$node->pgbench(
'-S -t 1', 1, [],
[qr{Perhaps you need to do initialization}],
'run without init');
# Initialize pgbench tables scale 1
$node->pgbench(
'-i', 0,
[qr{^$}],
[
qr{creating tables},
qr{vacuuming},
qr{creating primary keys},
qr{done in \d+\.\d\d s }
],
'pgbench scale 1 initialization',);
# Check data state, after client-side data generation.
check_data_state($node, 'client-side');
# Again, with all possible options
$node->pgbench(
'--initialize --init-steps=dtpvg --scale=1 --unlogged-tables --fillfactor=98 --foreign-keys --quiet --tablespace=regress_pgbench_tap_1_ts --index-tablespace=regress_pgbench_tap_1_ts --partitions=2 --partition-method=hash',
0,
[qr{^$}i],
[
qr{dropping old tables},
qr{creating tables},
qr{creating 2 partitions},
qr{vacuuming},
qr{creating primary keys},
qr{creating foreign keys},
qr{(?!vacuuming)}, # no vacuum
qr{done in \d+\.\d\d s }
],
'pgbench scale 1 initialization');
# Test interaction of --init-steps with legacy step-selection options
$node->pgbench(
'--initialize --init-steps=dtpvGvv --no-vacuum --foreign-keys --unlogged-tables --partitions=3',
0,
[qr{^$}],
[
qr{dropping old tables},
qr{creating tables},
qr{creating 3 partitions},
qr{creating primary keys},
qr{generating data \(server-side\)},
qr{creating foreign keys},
qr{(?!vacuuming)}, # no vacuum
qr{done in \d+\.\d\d s }
],
'pgbench --init-steps');
# Check data state, after server-side data generation.
check_data_state($node, 'server-side');
# Run all builtin scripts, for a few transactions each
$node->pgbench(
'--transactions=5 -Dfoo=bla --client=2 --protocol=simple --builtin=t'
. ' --connect -n -v -n',
0,
[
qr{builtin: TPC-B},
qr{clients: 2\b},
qr{processed: 10/10},
qr{mode: simple},
qr{maximum number of tries: 1}
],
[qr{^$}],
'pgbench tpcb-like');
$node->pgbench(
'--transactions=20 --client=5 -M extended --builtin=si -C --no-vacuum -s 1',
0,
[
qr{builtin: simple update},
qr{clients: 5\b},
qr{threads: 1\b},
qr{processed: 100/100},
qr{mode: extended}
],
[qr{scale option ignored}],
'pgbench simple update');
$node->pgbench(
'-t 100 -c 7 -M prepared -b se --debug',
0,
[
qr{builtin: select only},
qr{clients: 7\b},
qr{threads: 1\b},
qr{processed: 700/700},
qr{mode: prepared}
],
[
qr{vacuum}, qr{client 0}, qr{client 1}, qr{sending},
qr{receiving}, qr{executing}
],
'pgbench select only');
# check if threads are supported
my $nthreads = 2;
{
my ($stderr);
run_log([ 'pgbench', '-j', '2', '--bad-option' ], '2>', \$stderr);
$nthreads = 1 if $stderr =~ m/threads are not supported on this platform/;
}
# run custom scripts
$node->pgbench(
"-t 100 -c 1 -j $nthreads -M prepared -n",
0,
[
qr{type: multiple scripts},
qr{mode: prepared},
qr{script 1: .*/001_pgbench_custom_script_1},
qr{weight: 2},
qr{script 2: .*/001_pgbench_custom_script_2},
qr{weight: 1},
qr{processed: 100/100}
],
[qr{^$}],
'pgbench custom scripts',
{
'001_pgbench_custom_script_1@1' => q{-- select only
\set aid random(1, :scale * 100000)
SELECT abalance::INTEGER AS balance
FROM pgbench_accounts
WHERE aid=:aid;
},
'001_pgbench_custom_script_2@2' => q{-- special variables
BEGIN;
\set foo 1
-- cast are needed for typing under -M prepared
SELECT :foo::INT + :scale::INT * :client_id::INT AS bla;
COMMIT;
}
});
$node->pgbench(
'-n -t 10 -c 1 -M simple',
0,
[
qr{type: .*/001_pgbench_custom_script_3},
qr{processed: 10/10},
qr{mode: simple}
],
[qr{^$}],
'pgbench custom script',
{
'001_pgbench_custom_script_3' => q{-- select only variant
\set aid random(1, :scale * 100000)
BEGIN;
SELECT abalance::INTEGER AS balance
FROM pgbench_accounts
WHERE aid=:aid;
COMMIT;
}
});
$node->pgbench(
'-n -t 10 -c 2 -M extended',
0,
[
qr{type: .*/001_pgbench_custom_script_4},
qr{processed: 20/20},
qr{mode: extended}
],
[qr{^$}],
'pgbench custom script',
{
'001_pgbench_custom_script_4' => q{-- select only variant
\set aid random(1, :scale * 100000)
BEGIN;
SELECT abalance::INTEGER AS balance
FROM pgbench_accounts
WHERE aid=:aid;
COMMIT;
}
});
# Verify server logging of query parameters.
# (This doesn't really belong here, but pgbench is a convenient way
# to issue commands using extended query mode with parameters.)
# 1. Logging neither with errors nor with statements
$node->append_conf('postgresql.conf',
"log_min_duration_statement = 0\n"
. "log_parameter_max_length = 0\n"
. "log_parameter_max_length_on_error = 0");
$node->reload;
$node->pgbench(
'-n -t1 -c1 -M prepared',
2,
[],
[
qr{ERROR: invalid input syntax for type json},
qr{(?!unnamed portal with parameters)}
],
'server parameter logging',
{
'001_param_1' => q[select '{ invalid ' as value \gset
select $$'Valame Dios!' dijo Sancho; 'no le dije yo a vuestra merced que mirase bien lo que hacia?'$$ as long \gset
select column1::jsonb from (values (:value), (:long)) as q;
]
});
my $log = PostgreSQL::Test::Utils::slurp_file($node->logfile);
unlike(
$log,
qr[DETAIL: Parameters: \$1 = '\{ invalid ',],
"no parameters logged");
$log = undef;
# 2. Logging truncated parameters on error, full with statements
$node->append_conf('postgresql.conf',
"log_parameter_max_length = -1\n"
. "log_parameter_max_length_on_error = 64");
$node->reload;
$node->pgbench(
'-n -t1 -c1 -M prepared',
2,
[],
[
qr{ERROR: division by zero},
qr{CONTEXT: unnamed portal with parameters: \$1 = '1', \$2 = NULL}
],
'server parameter logging',
{
'001_param_2' => q{select '1' as one \gset
SELECT 1 / (random() / 2)::int, :one::int, :two::int;
}
});
$node->pgbench(
'-n -t1 -c1 -M prepared',
2,
[],
[
qr{ERROR: invalid input syntax for type json},
qr[CONTEXT: JSON data, line 1: \{ invalid\.\.\.[\r\n]+unnamed portal with parameters: \$1 = '\{ invalid ', \$2 = '''Valame Dios!'' dijo Sancho; ''no le dije yo a vuestra merced que \.\.\.']m
],
'server parameter logging',
{
'001_param_3' => q[select '{ invalid ' as value \gset
select $$'Valame Dios!' dijo Sancho; 'no le dije yo a vuestra merced que mirase bien lo que hacia?'$$ as long \gset
select column1::jsonb from (values (:value), (:long)) as q;
]
});
$log = PostgreSQL::Test::Utils::slurp_file($node->logfile);
like(
$log,
qr[DETAIL: Parameters: \$1 = '\{ invalid ', \$2 = '''Valame Dios!'' dijo Sancho; ''no le dije yo a vuestra merced que mirase bien lo que hacia\?'''],
"parameter report does not truncate");
$log = undef;
# 3. Logging full parameters on error, truncated with statements
$node->append_conf('postgresql.conf',
"log_min_duration_statement = -1\n"
. "log_parameter_max_length = 7\n"
. "log_parameter_max_length_on_error = -1");
$node->reload;
$node->pgbench(
'-n -t1 -c1 -M prepared',
2,
[],
[
qr{ERROR: division by zero},
qr{CONTEXT: unnamed portal with parameters: \$1 = '1', \$2 = NULL}
],
'server parameter logging',
{
'001_param_4' => q{select '1' as one \gset
SELECT 1 / (random() / 2)::int, :one::int, :two::int;
}
});
$node->append_conf('postgresql.conf', "log_min_duration_statement = 0");
$node->reload;
$node->pgbench(
'-n -t1 -c1 -M prepared',
2,
[],
[
qr{ERROR: invalid input syntax for type json},
qr[CONTEXT: JSON data, line 1: \{ invalid\.\.\.[\r\n]+unnamed portal with parameters: \$1 = '\{ invalid ', \$2 = '''Valame Dios!'' dijo Sancho; ''no le dije yo a vuestra merced que mirase bien lo que hacia\?']m
],
'server parameter logging',
{
'001_param_5' => q[select '{ invalid ' as value \gset
select $$'Valame Dios!' dijo Sancho; 'no le dije yo a vuestra merced que mirase bien lo que hacia?'$$ as long \gset
select column1::jsonb from (values (:value), (:long)) as q;
]
});
$log = PostgreSQL::Test::Utils::slurp_file($node->logfile);
like(
$log,
qr[DETAIL: Parameters: \$1 = '\{ inval\.\.\.', \$2 = '''Valame\.\.\.'],
"parameter report truncates");
$log = undef;
# Check that bad parameters are reported during typinput phase of BIND
$node->pgbench(
'-n -t1 -c1 -M prepared',
2,
[],
[
qr{ERROR: invalid input syntax for type smallint: "1a"},
qr{CONTEXT: unnamed portal parameter \$2 = '1a'}
],
'server parameter logging',
{
'001_param_6' => q{select 42 as value1, '1a' as value2 \gset
select :value1::smallint, :value2::smallint;
}
});
# Restore default logging config
$node->append_conf('postgresql.conf',
"log_min_duration_statement = -1\n"
. "log_parameter_max_length_on_error = 0\n"
. "log_parameter_max_length = -1");
$node->reload;
# test expressions
$node->pgbench(
'--random-seed=5432 -t 1 -Dfoo=-10.1 -Dbla=false -Di=+3 -Dn=null -Dt=t -Df=of -Dd=1.0',
0,
[ qr{type: .*/001_pgbench_expressions}, qr{processed: 1/1} ],
[
qr{setting random seed to 5432\b},
# After explicit seeding, the four random checks (1-3,20) are
# deterministic; but see also magic values in checks 111,113.
qr{command=1.: int 17\b}, # uniform random
qr{command=2.: int 104\b}, # exponential random
qr{command=3.: int 1498\b}, # gaussian random
qr{command=4.: int 4\b},
qr{command=5.: int 5\b},
qr{command=6.: int 6\b},
qr{command=7.: int 7\b},
qr{command=8.: int 8\b},
qr{command=9.: int 9\b},
qr{command=10.: int 10\b},
qr{command=11.: int 11\b},
qr{command=12.: int 12\b},
qr{command=15.: double 15\b},
qr{command=16.: double 16\b},
qr{command=17.: double 17\b},
qr{command=20.: int 3\b}, # zipfian random
qr{command=21.: double -27\b},
qr{command=22.: double 1024\b},
qr{command=23.: double 1\b},
qr{command=24.: double 1\b},
qr{command=25.: double -0.125\b},
qr{command=26.: double -0.125\b},
qr{command=27.: double -0.00032\b},
qr{command=28.: double 8.50705917302346e\+0?37\b},
qr{command=29.: double 1e\+0?30\b},
qr{command=30.: boolean false\b},
qr{command=31.: boolean true\b},
qr{command=32.: int 32\b},
qr{command=33.: int 33\b},
qr{command=34.: double 34\b},
qr{command=35.: int 35\b},
qr{command=36.: int 36\b},
qr{command=37.: double 37\b},
qr{command=38.: int 38\b},
qr{command=39.: int 39\b},
qr{command=40.: boolean true\b},
qr{command=41.: null\b},
qr{command=42.: null\b},
qr{command=43.: boolean true\b},
qr{command=44.: boolean true\b},
qr{command=45.: boolean true\b},
qr{command=46.: int 46\b},
qr{command=47.: boolean true\b},
qr{command=48.: boolean true\b},
qr{command=49.: int -5817877081768721676\b},
qr{command=50.: boolean true\b},
qr{command=51.: int -7793829335365542153\b},
qr{command=52.: int -?\d+\b},
qr{command=53.: boolean true\b},
qr{command=65.: int 65\b},
qr{command=74.: int 74\b},
qr{command=83.: int 83\b},
qr{command=86.: int 86\b},
qr{command=93.: int 93\b},
qr{command=95.: int 0\b},
qr{command=96.: int 1\b}, # :scale
qr{command=97.: int 0\b}, # :client_id
qr{command=98.: int 5432\b}, # :random_seed
qr{command=99.: int -9223372036854775808\b}, # min int
qr{command=100.: int 9223372036854775807\b}, # max int
# pseudorandom permutation tests
qr{command=101.: boolean true\b},
qr{command=102.: boolean true\b},
qr{command=103.: boolean true\b},
qr{command=104.: boolean true\b},
qr{command=105.: boolean true\b},
qr{command=109.: boolean true\b},
qr{command=110.: boolean true\b},
qr{command=111.: boolean true\b},
qr{command=113.: boolean true\b},
],
'pgbench expressions',
{
'001_pgbench_expressions' => q{-- integer functions
\set i1 debug(random(10, 19))
\set i2 debug(random_exponential(100, 199, 10.0))
\set i3 debug(random_gaussian(1000, 1999, 10.0))
\set i4 debug(abs(-4))
\set i5 debug(greatest(5, 4, 3, 2))
\set i6 debug(11 + least(-5, -4, -3, -2))
\set i7 debug(int(7.3))
-- integer arithmetic and bit-wise operators
\set i8 debug(17 / (4|1) + ( 4 + (7 >> 2)))
\set i9 debug(- (3 * 4 - (-(~ 1) + -(~ 0))) / -1 + 3 % -1)
\set ia debug(10 + (0 + 0 * 0 - 0 / 1))
\set ib debug(:ia + :scale)
\set ic debug(64 % (((2 + 1 * 2 + (1 # 2) | 4 * (2 & 11)) - (1 << 2)) + 2))
-- double functions and operators
\set d1 debug(sqrt(+1.5 * 2.0) * abs(-0.8E1))
\set d2 debug(double(1 + 1) * (-75.0 / :foo))
\set pi debug(pi() * 4.9)
\set d4 debug(greatest(4, 2, -1.17) * 4.0 * Ln(Exp(1.0)))
\set d5 debug(least(-5.18, .0E0, 1.0/0) * -3.3)
-- reset variables
\set i1 0
\set d1 false
-- yet another integer function
\set id debug(random_zipfian(1, 9, 1.3))
--- pow and power
\set poweri debug(pow(-3,3))
\set powerd debug(pow(2.0,10))
\set poweriz debug(pow(0,0))
\set powerdz debug(pow(0.0,0.0))
\set powernegi debug(pow(-2,-3))
\set powernegd debug(pow(-2.0,-3.0))
\set powernegd2 debug(power(-5.0,-5.0))
\set powerov debug(pow(9223372036854775807, 2))
\set powerov2 debug(pow(10,30))
-- comparisons and logical operations
\set c0 debug(1.0 = 0.0 and 1.0 != 0.0)
\set c1 debug(0 = 1 Or 1.0 = 1)
\set c4 debug(case when 0 < 1 then 32 else 0 end)
\set c5 debug(case when true then 33 else 0 end)
\set c6 debug(case when false THEN -1 when 1 = 1 then 13 + 19 + 2.0 end )
\set c7 debug(case when (1 > 0) and (1 >= 0) and (0 < 1) and (0 <= 1) and (0 != 1) and (0 = 0) and (0 <> 1) then 35 else 0 end)
\set c8 debug(CASE \
WHEN (1.0 > 0.0) AND (1.0 >= 0.0) AND (0.0 < 1.0) AND (0.0 <= 1.0) AND \
(0.0 != 1.0) AND (0.0 = 0.0) AND (0.0 <> 1.0) AND (0.0 = 0.0) \
THEN 36 \
ELSE 0 \
END)
\set c9 debug(CASE WHEN NOT FALSE THEN 3 * 12.3333334 END)
\set ca debug(case when false then 0 when 1-1 <> 0 then 1 else 38 end)
\set cb debug(10 + mod(13 * 7 + 12, 13) - mod(-19 * 11 - 17, 19))
\set cc debug(NOT (0 > 1) AND (1 <= 1) AND NOT (0 >= 1) AND (0 < 1) AND \
NOT (false and true) AND (false OR TRUE) AND (NOT :f) AND (NOT FALSE) AND \
NOT (NOT TRUE))
-- NULL value and associated operators
\set n0 debug(NULL + NULL * exp(NULL))
\set n1 debug(:n0)
\set n2 debug(NOT (:n0 IS NOT NULL OR :d1 IS NULL))
\set n3 debug(:n0 IS NULL AND :d1 IS NOT NULL AND :d1 NOTNULL)
\set n4 debug(:n0 ISNULL AND NOT :n0 IS TRUE AND :n0 IS NOT FALSE)
\set n5 debug(CASE WHEN :n IS NULL THEN 46 ELSE NULL END)
-- use a variables of all types
\set n6 debug(:n IS NULL AND NOT :f AND :t)
-- conditional truth
\set cs debug(CASE WHEN 1 THEN TRUE END AND CASE WHEN 1.0 THEN TRUE END AND CASE WHEN :n THEN NULL ELSE TRUE END)
-- hash functions
\set h0 debug(hash(10, 5432))
\set h1 debug(:h0 = hash_murmur2(10, 5432))
\set h3 debug(hash_fnv1a(10, 5432))
\set h4 debug(hash(10))
\set h5 debug(hash(10) = hash(10, :default_seed))
-- lazy evaluation
\set zy 0
\set yz debug(case when :zy = 0 then -1 else (1 / :zy) end)
\set yz debug(case when :zy = 0 or (1 / :zy) < 0 then -1 else (1 / :zy) end)
\set yz debug(case when :zy > 0 and (1 / :zy) < 0 then (1 / :zy) else 1 end)
-- substitute variables of all possible types
\set v0 NULL
\set v1 TRUE
\set v2 5432
\set v3 -54.21E-2
SELECT :v0, :v1, :v2, :v3;
-- if tests
\set nope 0
\if 1 > 0
\set id debug(65)
\elif 0
\set nope 1
\else
\set nope 1
\endif
\if 1 < 0
\set nope 1
\elif 1 > 0
\set ie debug(74)
\else
\set nope 1
\endif
\if 1 < 0
\set nope 1
\elif 1 < 0
\set nope 1
\else
\set if debug(83)
\endif
\if 1 = 1
\set ig debug(86)
\elif 0
\set nope 1
\endif
\if 1 = 0
\set nope 1
\elif 1 <> 0
\set ih debug(93)
\endif
-- must be zero if false branches where skipped
\set nope debug(:nope)
-- check automatic variables
\set sc debug(:scale)
\set ci debug(:client_id)
\set rs debug(:random_seed)
-- minint constant parsing
\set min debug(-9223372036854775808)
\set max debug(-(:min + 1))
-- parametric pseudorandom permutation function
\set t debug(permute(0, 2) + permute(1, 2) = 1)
\set t debug(permute(0, 3) + permute(1, 3) + permute(2, 3) = 3)
\set t debug(permute(0, 4) + permute(1, 4) + permute(2, 4) + permute(3, 4) = 6)
\set t debug(permute(0, 5) + permute(1, 5) + permute(2, 5) + permute(3, 5) + permute(4, 5) = 10)
\set t debug(permute(0, 16) + permute(1, 16) + permute(2, 16) + permute(3, 16) + \
permute(4, 16) + permute(5, 16) + permute(6, 16) + permute(7, 16) + \
permute(8, 16) + permute(9, 16) + permute(10, 16) + permute(11, 16) + \
permute(12, 16) + permute(13, 16) + permute(14, 16) + permute(15, 16) = 120)
-- random sanity checks
\set size random(2, 1000)
\set v random(0, :size - 1)
\set p permute(:v, :size)
\set t debug(0 <= :p and :p < :size and :p = permute(:v + :size, :size) and :p <> permute(:v + 1, :size))
-- actual values
\set t debug(permute(:v, 1) = 0)
\set t debug(permute(0, 2, 5431) = 0 and permute(1, 2, 5431) = 1 and \
permute(0, 2, 5433) = 1 and permute(1, 2, 5433) = 0)
-- check permute's portability across architectures
\set size debug(:max - 10)
\set t debug(permute(:size-1, :size, 5432) = 520382784483822430 and \
permute(:size-2, :size, 5432) = 1143715004660802862 and \
permute(:size-3, :size, 5432) = 447293596416496998 and \
permute(:size-4, :size, 5432) = 916527772266572956 and \
permute(:size-5, :size, 5432) = 2763809008686028849 and \
permute(:size-6, :size, 5432) = 8648551549198294572 and \
permute(:size-7, :size, 5432) = 4542876852200565125)
}
});
# random determinism when seeded
$node->safe_psql('postgres',
'CREATE UNLOGGED TABLE seeded_random(seed INT8 NOT NULL, rand TEXT NOT NULL, val INTEGER NOT NULL);'
);
# same value to check for determinism
my $seed = int(rand(1000000000));
for my $i (1, 2)
{
$node->pgbench(
"--random-seed=$seed -t 1",
0,
[qr{processed: 1/1}],
[qr{setting random seed to $seed\b}],
"random seeded with $seed",
{
"001_pgbench_random_seed_$i" => q{-- test random functions
\set ur random(1000, 1999)
\set er random_exponential(2000, 2999, 2.0)
\set gr random_gaussian(3000, 3999, 3.0)
\set zr random_zipfian(4000, 4999, 1.5)
INSERT INTO seeded_random(seed, rand, val) VALUES
(:random_seed, 'uniform', :ur),
(:random_seed, 'exponential', :er),
(:random_seed, 'gaussian', :gr),
(:random_seed, 'zipfian', :zr);
}
});
}
# check that all runs generated the same 4 values
my ($ret, $out, $err) = $node->psql('postgres',
'SELECT seed, rand, val, COUNT(*) FROM seeded_random GROUP BY seed, rand, val'
);
ok($ret == 0, "psql seeded_random count ok");
ok($err eq '', "psql seeded_random count stderr is empty");
ok($out =~ /\b$seed\|uniform\|1\d\d\d\|2/,
"psql seeded_random count uniform");
ok( $out =~ /\b$seed\|exponential\|2\d\d\d\|2/,
"psql seeded_random count exponential");
ok( $out =~ /\b$seed\|gaussian\|3\d\d\d\|2/,
"psql seeded_random count gaussian");
ok($out =~ /\b$seed\|zipfian\|4\d\d\d\|2/,
"psql seeded_random count zipfian");
$node->safe_psql('postgres', 'DROP TABLE seeded_random;');
# backslash commands
$node->pgbench(
'-t 1', 0,
[
qr{type: .*/001_pgbench_backslash_commands},
qr{processed: 1/1},
qr{shell-echo-output}
],
[qr{command=8.: int 1\b}],
'pgbench backslash commands',
{
'001_pgbench_backslash_commands' => q{-- run set
\set zero 0
\set one 1.0
-- sleep
\sleep :one ms
\sleep 100 us
\sleep 0 s
\sleep :zero
-- setshell and continuation
\setshell another_one\
echo \
:one
\set n debug(:another_one)
-- shell
\shell echo shell-echo-output
}
});
# working \gset
$node->pgbench(
'-t 1', 0,
[ qr{type: .*/001_pgbench_gset}, qr{processed: 1/1} ],
[
qr{command=3.: int 0\b},
qr{command=5.: int 1\b},
qr{command=6.: int 2\b},
qr{command=8.: int 3\b},
qr{command=10.: int 4\b},
qr{command=12.: int 5\b}
],
'pgbench gset command',
{
'001_pgbench_gset' => q{-- test gset
-- no columns
SELECT \gset
-- one value
SELECT 0 AS i0 \gset
\set i debug(:i0)
-- two values
SELECT 1 AS i1, 2 AS i2 \gset
\set i debug(:i1)
\set i debug(:i2)
-- with prefix
SELECT 3 AS i3 \gset x_
\set i debug(:x_i3)
-- overwrite existing variable
SELECT 0 AS i4, 4 AS i4 \gset
\set i debug(:i4)
-- work on the last SQL command under \;
\; \; SELECT 0 AS i5 \; SELECT 5 AS i5 \; \; \gset
\set i debug(:i5)
}
});
# \gset cannot accept more than one row, causing command to fail.
$node->pgbench(
'-t 1', 2,
[ qr{type: .*/001_pgbench_gset_two_rows}, qr{processed: 0/1} ],
[qr{expected one row, got 2\b}],
'pgbench gset command with two rows',
{
'001_pgbench_gset_two_rows' => q{
SELECT 5432 AS fail UNION SELECT 5433 ORDER BY 1 \gset
}
});
# working \aset
# Valid cases.
$node->pgbench(
'-t 1', 0,
[ qr{type: .*/001_pgbench_aset}, qr{processed: 1/1} ],
[ qr{command=3.: int 8\b}, qr{command=4.: int 7\b} ],
'pgbench aset command',
{
'001_pgbench_aset' => q{
-- test aset, which applies to a combined query
\; SELECT 6 AS i6 \; SELECT 7 AS i7 \; \aset
-- unless it returns more than one row, last is kept
SELECT 8 AS i6 UNION SELECT 9 ORDER BY 1 DESC \aset
\set i debug(:i6)
\set i debug(:i7)
}
});
# Empty result set with \aset, causing command to fail.
$node->pgbench(
'-t 1', 2,
[ qr{type: .*/001_pgbench_aset_empty}, qr{processed: 0/1} ],
[
qr{undefined variable \"i8\"},
qr{evaluation of meta-command failed\b}
],
'pgbench aset command with empty result',
{
'001_pgbench_aset_empty' => q{
-- empty result
\; SELECT 5432 AS i8 WHERE FALSE \; \aset
\set i debug(:i8)
}
});
# Working \startpipeline
$node->pgbench(
'-t 1 -n -M extended',
0,
[ qr{type: .*/001_pgbench_pipeline}, qr{actually processed: 1/1} ],
[],
'working \startpipeline',
{
'001_pgbench_pipeline' => q{
-- test startpipeline
\startpipeline
} . "select 1;\n" x 10 . q{
\endpipeline
}
});
# Working \startpipeline in prepared query mode
$node->pgbench(
'-t 1 -n -M prepared',
0,
[ qr{type: .*/001_pgbench_pipeline_prep}, qr{actually processed: 1/1} ],
[],
'working \startpipeline',
{
'001_pgbench_pipeline_prep' => q{
-- test startpipeline
\startpipeline
\endpipeline
\startpipeline
} . "select 1;\n" x 10 . q{
\endpipeline
}
});
# Try \startpipeline twice
$node->pgbench(
'-t 1 -n -M extended',
2,
[],
[qr{already in pipeline mode}],
'error: call \startpipeline twice',
{
'001_pgbench_pipeline_2' => q{
-- startpipeline twice
\startpipeline
\startpipeline
}
});
# Try to end a pipeline that hasn't started
$node->pgbench(
'-t 1 -n -M extended',
2,
[],
[qr{not in pipeline mode}],
'error: \endpipeline with no start',
{
'001_pgbench_pipeline_3' => q{
-- pipeline not started
\endpipeline
}
});
# Try \gset in pipeline mode
$node->pgbench(
'-t 1 -n -M extended',
2,
[],
[qr{gset is not allowed in pipeline mode}],
'error: \gset not allowed in pipeline mode',
{
'001_pgbench_pipeline_4' => q{
\startpipeline
select 1 \gset f
\endpipeline
}
});
# Working \startpipeline in prepared query mode with serializable
$node->pgbench(
'-c4 -t 10 -n -M prepared',
0,
[
qr{type: .*/001_pgbench_pipeline_serializable},
qr{actually processed: (\d+)/\1}
],
[],
'working \startpipeline with serializable',
{
'001_pgbench_pipeline_serializable' => q{
-- test startpipeline with serializable
\startpipeline
BEGIN ISOLATION LEVEL SERIALIZABLE;
} . "select 1;\n" x 10 . q{
END;
\endpipeline
}
});
# trigger many expression errors
my @errors = (
# [ test name, expected status, expected stderr, script ]
# SQL
[
'sql syntax error',
2,
[
qr{ERROR: syntax error},
qr{prepared statement .* does not exist}
],
q{-- SQL syntax error
SELECT 1 + ;
}
],
[
'sql too many args', 1,
[qr{statement has too many arguments.*\b255\b}],
q{-- MAX_ARGS=256 for prepared
\set i 0
SELECT LEAST(} . join(', ', (':i') x 256) . q{)}
],
# SHELL
[
'shell bad command', 2,
[qr{\(shell\) .* meta-command failed}], q{\shell no-such-command}
],
[
'shell undefined variable', 2,
[qr{undefined variable ":nosuchvariable"}],
q{-- undefined variable in shell
\shell echo ::foo :nosuchvariable
}
],
[ 'shell missing command', 1, [qr{missing command }], q{\shell} ],
[
'shell too many args', 1, [qr{too many arguments in command "shell"}],
q{-- 256 arguments to \shell
\shell echo } . join(' ', ('arg') x 255)
],
# SET
[
'set syntax error', 1,
[qr{syntax error in command "set"}], q{\set i 1 +}
],
[
'set no such function', 1,
[qr{unexpected function name}], q{\set i noSuchFunction()}
],
[
'set invalid variable name', 2,
[qr{invalid variable name}], q{\set . 1}
],
[ 'set division by zero', 2, [qr{division by zero}], q{\set i 1/0} ],
[
'set undefined variable',
2,
[qr{undefined variable "nosuchvariable"}],
q{\set i :nosuchvariable}
],
[ 'set unexpected char', 1, [qr{unexpected character .;.}], q{\set i ;} ],
[
'set too many args',
2,
[qr{too many function arguments}],
q{\set i least(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16)}
],
[
'set empty random range', 2,
[qr{empty range given to random}], q{\set i random(5,3)}
],
[
'set random range too large', 2,
[qr{random range is too large}], q{\set i random(:minint, :maxint)}
],
[
'set gaussian param too small',
2,
[qr{gaussian param.* at least 2}],
q{\set i random_gaussian(0, 10, 1.0)}
],
[
'set exponential param greater 0',
2,
[qr{exponential parameter must be greater }],
q{\set i random_exponential(0, 10, 0.0)}
],
[
'set zipfian param to 1',
2,
[qr{zipfian parameter must be in range \[1\.001, 1000\]}],
q{\set i random_zipfian(0, 10, 1)}
],
[
'set zipfian param too large',
2,
[qr{zipfian parameter must be in range \[1\.001, 1000\]}],
q{\set i random_zipfian(0, 10, 1000000)}
],
[
'set non numeric value', 2,
[qr{malformed variable "foo" value: "bla"}], q{\set i :foo + 1}
],
[ 'set no expression', 1, [qr{syntax error}], q{\set i} ],
[ 'set missing argument', 1, [qr{missing argument}i], q{\set} ],
[
'set not a bool', 2,
[qr{cannot coerce double to boolean}], q{\set b NOT 0.0}
],
[
'set not an int', 2,
[qr{cannot coerce boolean to int}], q{\set i TRUE + 2}
],
[
'set not a double', 2,
[qr{cannot coerce boolean to double}], q{\set d ln(TRUE)}
],
[
'set case error',
1,
[qr{syntax error in command "set"}],
q{\set i CASE TRUE THEN 1 ELSE 0 END}
],
[
'set random error', 2,
[qr{cannot coerce boolean to int}], q{\set b random(FALSE, TRUE)}
],
[
'set number of args mismatch', 1,
[qr{unexpected number of arguments}], q{\set d ln(1.0, 2.0))}
],
[
'set at least one arg', 1,
[qr{at least one argument expected}], q{\set i greatest())}
],
# SET: ARITHMETIC OVERFLOW DETECTION
[
'set double to int overflow', 2,
[qr{double to int overflow for 100}], q{\set i int(1E32)}
],
[
'set bigint add overflow', 2,
[qr{int add out}], q{\set i (1<<62) + (1<<62)}
],
[
'set bigint sub overflow',
2, [qr{int sub out}], q{\set i 0 - (1<<62) - (1<<62) - (1<<62)}
],
[
'set bigint mul overflow', 2,
[qr{int mul out}], q{\set i 2 * (1<<62)}
],
[
'set bigint div out of range', 2,
[qr{bigint div out of range}], q{\set i :minint / -1}
],
# SETSHELL
[
'setshell not an int', 2,
[qr{command must return an integer}], q{\setshell i echo -n one}
],
[ 'setshell missing arg', 1, [qr{missing argument }], q{\setshell var} ],
[
'setshell no such command', 2,
[qr{could not read result }], q{\setshell var no-such-command}
],
# SLEEP
[
'sleep undefined variable', 2,
[qr{sleep: undefined variable}], q{\sleep :nosuchvariable}
],
[
'sleep too many args', 1,
[qr{too many arguments}], q{\sleep too many args}
],
[
'sleep missing arg', 1,
[ qr{missing argument}, qr{\\sleep} ], q{\sleep}
],
[
'sleep unknown unit', 1,
[qr{unrecognized time unit}], q{\sleep 1 week}
],
# MISC
[
'misc invalid backslash command', 1,
[qr{invalid command .* "nosuchcommand"}], q{\nosuchcommand}
],
[ 'misc empty script', 1, [qr{empty command list for script}], q{} ],
[
'bad boolean', 2,
[qr{malformed variable.*trueXXX}], q{\set b :badtrue or true}
],
[
'invalid permute size',
2,
[qr{permute size parameter must be greater than zero}],
q{\set i permute(0, 0)}
],
# GSET
[
'gset no row', 2,
[qr{expected one row, got 0\b}], q{SELECT WHERE FALSE \gset}
],
[ 'gset alone', 1, [qr{gset must follow an SQL command}], q{\gset} ],
[
'gset no SQL', 1,
[qr{gset must follow an SQL command}], q{\set i +1
\gset}
],
[
'gset too many arguments', 1,
[qr{too many arguments}], q{SELECT 1 \gset a b}
],
[
'gset after gset', 1,
[qr{gset must follow an SQL command}], q{SELECT 1 AS i \gset
\gset}
],
[
'gset non SELECT',
2,
[qr{expected one row, got 0}],
q{DROP TABLE IF EXISTS no_such_table \gset}
],
[
'gset bad default name', 2,
[qr{error storing into variable \?column\?}], q{SELECT 1 \gset}
],
[
'gset bad name',
2,
[qr{error storing into variable bad name!}],
q{SELECT 1 AS "bad name!" \gset}
],);
for my $e (@errors)
{
my ($name, $status, $re, $script, $no_prepare) = @$e;
$status != 0 or die "invalid expected status for test \"$name\"";
my $n = '001_pgbench_error_' . $name;
$n =~ s/ /_/g;
$node->pgbench(
'-n -t 1 -Dfoo=bla -Dnull=null -Dtrue=true -Done=1 -Dzero=0.0 -Dbadtrue=trueXXX'
. ' -Dmaxint=9223372036854775807 -Dminint=-9223372036854775808'
. ($no_prepare ? '' : ' -M prepared'),
$status,
[ $status == 1 ? qr{^$} : qr{processed: 0/1} ],
$re,
'pgbench script error: ' . $name,
{ $n => $script });
}
# throttling
$node->pgbench(
'-t 100 -S --rate=100000 --latency-limit=1000000 -c 2 -n -r',
0,
[ qr{processed: 200/200}, qr{builtin: select only} ],
[qr{^$}],
'pgbench throttling');
$node->pgbench(
# given the expected rate and the 2 ms tx duration, at most one is executed
'-t 10 --rate=100000 --latency-limit=1 -n -r',
0,
[
qr{processed: [01]/10},
qr{type: .*/001_pgbench_sleep},
qr{above the 1.0 ms latency limit: [01]/}
],
[qr{^$}],
'pgbench late throttling',
{ '001_pgbench_sleep' => q{\sleep 2ms} });
# return a list of files from directory $dir matching regexpr $re
# this works around glob portability and escaping issues
sub list_files
{
my ($dir, $re) = @_;
opendir my $dh, $dir or die "cannot opendir $dir: $!";
my @files = grep /$re/, readdir $dh;
closedir $dh or die "cannot closedir $dir: $!";
return map { $dir . '/' . $_ } @files;
}
# Check log contents and clean them up:
# $dir: directory holding logs
# $prefix: file prefix for per-thread logs
# $nb: number of expected files
# $min/$max: minimum and maximum number of lines in log files
# $re: regular expression each log line has to match
sub check_pgbench_logs
{
local $Test::Builder::Level = $Test::Builder::Level + 1;
my ($dir, $prefix, $nb, $min, $max, $re) = @_;
# $prefix is simple enough, thus does not need escaping
my @logs = list_files($dir, qr{^$prefix\..*$});
ok(@logs == $nb, "number of log files");
ok(grep(/\/$prefix\.\d+(\.\d+)?$/, @logs) == $nb, "file name format");
my $log_number = 0;
for my $log (sort @logs)
{
# Check the contents of each log file.
my $contents_raw = slurp_file($log);
my @contents = split(/\n/, $contents_raw);
my $clen = @contents;
ok( $min <= $clen && $clen <= $max,
"transaction count for $log ($clen)");
my $clen_match = grep(/$re/, @contents);
ok($clen_match == $clen, "transaction format for $prefix");
# Show more information if some logs don't match
# to help with debugging.
if ($clen_match != $clen)
{
foreach my $log (@contents)
{
print "# Log entry not matching: $log\n"
unless $log =~ /$re/;
}
}
}
return;
}
my $bdir = $node->basedir;
# Run with sampling rate, 2 clients with 50 transactions each.
$node->pgbench(
"-n -S -t 50 -c 2 --log --sampling-rate=0.5", 0,
[ qr{select only}, qr{processed: 100/100} ], [qr{^$}],
'pgbench logs', undef,
"--log-prefix=$bdir/001_pgbench_log_2");
# The IDs of the clients (1st field) in the logs should be either 0 or 1.
check_pgbench_logs($bdir, '001_pgbench_log_2', 1, 8, 92,
qr{^[01] \d{1,2} \d+ \d \d+ \d+$});
# Run with different read-only option pattern, 1 client with 10 transactions.
$node->pgbench(
"-n -b select-only -t 10 -l", 0,
[ qr{select only}, qr{processed: 10/10} ], [qr{^$}],
'pgbench logs contents', undef,
"--log-prefix=$bdir/001_pgbench_log_3");
# The ID of a single client (1st field) should match 0.
check_pgbench_logs($bdir, '001_pgbench_log_3', 1, 10, 10,
qr{^0 \d{1,2} \d+ \d \d+ \d+$});
# abortion of the client if the script contains an incomplete transaction block
$node->pgbench(
'--no-vacuum',
2,
[qr{processed: 1/10}],
[
qr{client 0 aborted: end of script reached without completing the last transaction}
],
'incomplete transaction block',
{ '001_pgbench_incomplete_transaction_block' => q{BEGIN;SELECT 1;} });
# Test the concurrent update in the table row and deadlocks.
$node->safe_psql('postgres',
'CREATE UNLOGGED TABLE first_client_table (value integer); '
. 'CREATE UNLOGGED TABLE xy (x integer, y integer); '
. 'INSERT INTO xy VALUES (1, 2);');
# Serialization error and retry
local $ENV{PGOPTIONS} = "-c default_transaction_isolation=repeatable\\ read";
# Check that we have a serialization error and the same random value of the
# delta variable in the next try
my $err_pattern =
"(client (0|1) sending UPDATE xy SET y = y \\+ -?\\d+\\b).*"
. "client \\2 got an error in command 3 \\(SQL\\) of script 0; "
. "ERROR: could not serialize access due to concurrent update\\b.*"
. "\\1";
$node->pgbench(
"-n -c 2 -t 1 -d --verbose-errors --max-tries 2",
0,
[
qr{processed: 2/2\b},
qr{number of transactions retried: 1\b},
qr{total number of retries: 1\b}
],
[qr/$err_pattern/s],
'concurrent update with retrying',
{
'001_pgbench_serialization' => q{
-- What's happening:
-- The first client starts the transaction with the isolation level Repeatable
-- Read:
--
-- BEGIN;
-- UPDATE xy SET y = ... WHERE x = 1;
--
-- The second client starts a similar transaction with the same isolation level:
--
-- BEGIN;
-- UPDATE xy SET y = ... WHERE x = 1;
-- <waiting for the first client>
--
-- The first client commits its transaction, and the second client gets a
-- serialization error.
\set delta random(-5000, 5000)
-- The second client will stop here
SELECT pg_advisory_lock(0);
-- Start transaction with concurrent update
BEGIN;
UPDATE xy SET y = y + :delta WHERE x = 1 AND pg_advisory_lock(1) IS NOT NULL;
-- Wait for the second client
DO $$
DECLARE
exists boolean;
waiters integer;
BEGIN
-- The second client always comes in second, and the number of rows in the
-- table first_client_table reflect this. Here the first client inserts a row,
-- so the second client will see a non-empty table when repeating the
-- transaction after the serialization error.
SELECT EXISTS (SELECT * FROM first_client_table) INTO STRICT exists;
IF NOT exists THEN
-- Let the second client begin
PERFORM pg_advisory_unlock(0);
-- And wait until the second client tries to get the same lock
LOOP
SELECT COUNT(*) INTO STRICT waiters FROM pg_locks WHERE
locktype = 'advisory' AND objsubid = 1 AND
((classid::bigint << 32) | objid::bigint = 1::bigint) AND NOT granted;
IF waiters = 1 THEN
INSERT INTO first_client_table VALUES (1);
-- Exit loop
EXIT;
END IF;
END LOOP;
END IF;
END$$;
COMMIT;
SELECT pg_advisory_unlock_all();
}
});
# Clean up
$node->safe_psql('postgres', 'DELETE FROM first_client_table;');
local $ENV{PGOPTIONS} = "-c default_transaction_isolation=read\\ committed";
# Deadlock error and retry
# Check that we have a deadlock error
$err_pattern =
"client (0|1) got an error in command (3|5) \\(SQL\\) of script 0; "
. "ERROR: deadlock detected\\b";
$node->pgbench(
"-n -c 2 -t 1 --max-tries 2 --verbose-errors",
0,
[
qr{processed: 2/2\b},
qr{number of transactions retried: 1\b},
qr{total number of retries: 1\b}
],
[qr{$err_pattern}],
'deadlock with retrying',
{
'001_pgbench_deadlock' => q{
-- What's happening:
-- The first client gets the lock 2.
-- The second client gets the lock 3 and tries to get the lock 2.
-- The first client tries to get the lock 3 and one of them gets a deadlock
-- error.
--
-- A client that does not get a deadlock error must hold a lock at the
-- transaction start. Thus in the end it releases all of its locks before the
-- client with the deadlock error starts a retry (we do not want any errors
-- again).
-- Since the client with the deadlock error has not released the blocking locks,
-- let's do this here.
SELECT pg_advisory_unlock_all();
-- The second client and the client with the deadlock error stop here
SELECT pg_advisory_lock(0);
SELECT pg_advisory_lock(1);
-- The second client and the client with the deadlock error always come after
-- the first and the number of rows in the table first_client_table reflects
-- this. Here the first client inserts a row, so in the future the table is
-- always non-empty.
DO $$
DECLARE
exists boolean;
BEGIN
SELECT EXISTS (SELECT * FROM first_client_table) INTO STRICT exists;
IF exists THEN
-- We are the second client or the client with the deadlock error
-- The first client will take care by itself of this lock (see below)
PERFORM pg_advisory_unlock(0);
PERFORM pg_advisory_lock(3);
-- The second client can get a deadlock here
PERFORM pg_advisory_lock(2);
ELSE
-- We are the first client
-- This code should not be used in a new transaction after an error
INSERT INTO first_client_table VALUES (1);
PERFORM pg_advisory_lock(2);
END IF;
END$$;
DO $$
DECLARE
num_rows integer;
waiters integer;
BEGIN
-- Check if we are the first client
SELECT COUNT(*) FROM first_client_table INTO STRICT num_rows;
IF num_rows = 1 THEN
-- This code should not be used in a new transaction after an error
INSERT INTO first_client_table VALUES (2);
-- Let the second client begin
PERFORM pg_advisory_unlock(0);
PERFORM pg_advisory_unlock(1);
-- Make sure the second client is ready for deadlock
LOOP
SELECT COUNT(*) INTO STRICT waiters FROM pg_locks WHERE
locktype = 'advisory' AND
objsubid = 1 AND
((classid::bigint << 32) | objid::bigint = 2::bigint) AND
NOT granted;
IF waiters = 1 THEN
-- Exit loop
EXIT;
END IF;
END LOOP;
PERFORM pg_advisory_lock(0);
-- And the second client took care by itself of the lock 1
END IF;
END$$;
-- The first client can get a deadlock here
SELECT pg_advisory_lock(3);
SELECT pg_advisory_unlock_all();
}
});
# Clean up
$node->safe_psql('postgres', 'DROP TABLE first_client_table, xy;');
# Test --exit-on-abort
$node->safe_psql('postgres',
'CREATE TABLE counter(i int); '.
'INSERT INTO counter VALUES (0);'
);
$node->pgbench(
'-t 10 -c 2 -j 2 --exit-on-abort',
2,
[],
[
qr{division by zero},
qr{Run was aborted due to an error in thread}
],
'test --exit-on-abort',
{
'001_exit_on_abort' => q{
update counter set i = i+1 returning i \gset
\if :i = 5
\set y 1/0
\endif
}
});
# Clean up
$node->safe_psql('postgres', 'DROP TABLE counter;');
# done
$node->safe_psql('postgres', 'DROP TABLESPACE regress_pgbench_tap_1_ts');
$node->stop;
done_testing();