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-rw-r--r--src/bin/pgbench/t/001_pgbench_with_server.pl1447
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diff --git a/src/bin/pgbench/t/001_pgbench_with_server.pl b/src/bin/pgbench/t/001_pgbench_with_server.pl
new file mode 100644
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--- /dev/null
+++ b/src/bin/pgbench/t/001_pgbench_with_server.pl
@@ -0,0 +1,1447 @@
+
+# Copyright (c) 2021-2022, PostgreSQL Global Development Group
+
+use strict;
+use warnings;
+
+use PostgreSQL::Test::Cluster;
+use PostgreSQL::Test::Utils;
+use Test::More;
+
+# 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',);
+
+# 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');
+
+# 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 -j2 -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
+$node->safe_psql('postgres', 'DROP TABLE first_client_table, xy;');
+
+
+# done
+$node->safe_psql('postgres', 'DROP TABLESPACE regress_pgbench_tap_1_ts');
+$node->stop;
+done_testing();