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Commitdbe29b0

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Fix test instability introduced ine349c95 due to async deduplication.
The statement emitting notifies tried to make sure page boundaries werecrossed, but failed to do so reliably due to deduplication.Reported-By: chap@anastigmatix.netDiscussion:https://postgr.es/m/20220407185408.n7dvsgqsb3q6uze7@alap3.anarazel.de
1 parent00cb86e commitdbe29b0

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3 files changed

+24
-24
lines changed

3 files changed

+24
-24
lines changed

‎src/test/isolation/expected/stats.out

Lines changed: 11 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -3047,7 +3047,7 @@ step s1_slru_save_stats:
30473047
step s1_listen: LISTEN stats_test_nothing;
30483048
step s1_begin: BEGIN;
30493049
step s1_big_notify: SELECT pg_notify('stats_test_use',
3050-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3050+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
30513051

30523052
pg_notify
30533053
---------
@@ -3100,7 +3100,7 @@ step s1_slru_save_stats:
31003100

31013101
step s1_listen: LISTEN stats_test_nothing;
31023102
step s2_big_notify: SELECT pg_notify('stats_test_use',
3103-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3103+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
31043104

31053105
pg_notify
31063106
---------
@@ -3141,7 +3141,7 @@ step s1_slru_save_stats:
31413141
step s1_listen: LISTEN stats_test_nothing;
31423142
step s2_begin: BEGIN;
31433143
step s2_big_notify: SELECT pg_notify('stats_test_use',
3144-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3144+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
31453145

31463146
pg_notify
31473147
---------
@@ -3196,7 +3196,7 @@ f
31963196
(1 row)
31973197

31983198
step s2_big_notify: SELECT pg_notify('stats_test_use',
3199-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3199+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
32003200

32013201
pg_notify
32023202
---------
@@ -3263,7 +3263,7 @@ f
32633263
(1 row)
32643264

32653265
step s2_big_notify: SELECT pg_notify('stats_test_use',
3266-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3266+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
32673267

32683268
pg_notify
32693269
---------
@@ -3330,7 +3330,7 @@ f
33303330
(1 row)
33313331

33323332
step s2_big_notify: SELECT pg_notify('stats_test_use',
3333-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3333+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
33343334

33353335
pg_notify
33363336
---------
@@ -3397,7 +3397,7 @@ f
33973397
(1 row)
33983398

33993399
step s2_big_notify: SELECT pg_notify('stats_test_use',
3400-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3400+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
34013401

34023402
pg_notify
34033403
---------
@@ -3470,7 +3470,7 @@ f
34703470
(1 row)
34713471

34723472
step s2_big_notify: SELECT pg_notify('stats_test_use',
3473-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3473+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
34743474

34753475
pg_notify
34763476
---------
@@ -3543,7 +3543,7 @@ f
35433543
(1 row)
35443544

35453545
step s2_big_notify: SELECT pg_notify('stats_test_use',
3546-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3546+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
35473547

35483548
pg_notify
35493549
---------
@@ -3618,7 +3618,7 @@ test_stat_func| | |
36183618
(1 row)
36193619

36203620
step s2_big_notify: SELECT pg_notify('stats_test_use',
3621-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3621+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
36223622

36233623
pg_notify
36243624
---------
@@ -3661,7 +3661,7 @@ step s1_slru_save_stats:
36613661
step s1_listen: LISTEN stats_test_nothing;
36623662
step s1_begin: BEGIN;
36633663
step s2_big_notify: SELECT pg_notify('stats_test_use',
3664-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3664+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
36653665

36663666
pg_notify
36673667
---------

‎src/test/isolation/expected/stats_1.out

Lines changed: 11 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -3071,7 +3071,7 @@ step s1_slru_save_stats:
30713071
step s1_listen: LISTEN stats_test_nothing;
30723072
step s1_begin: BEGIN;
30733073
step s1_big_notify: SELECT pg_notify('stats_test_use',
3074-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3074+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
30753075

30763076
pg_notify
30773077
---------
@@ -3124,7 +3124,7 @@ step s1_slru_save_stats:
31243124

31253125
step s1_listen: LISTEN stats_test_nothing;
31263126
step s2_big_notify: SELECT pg_notify('stats_test_use',
3127-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3127+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
31283128

31293129
pg_notify
31303130
---------
@@ -3165,7 +3165,7 @@ step s1_slru_save_stats:
31653165
step s1_listen: LISTEN stats_test_nothing;
31663166
step s2_begin: BEGIN;
31673167
step s2_big_notify: SELECT pg_notify('stats_test_use',
3168-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3168+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
31693169

31703170
pg_notify
31713171
---------
@@ -3220,7 +3220,7 @@ f
32203220
(1 row)
32213221

32223222
step s2_big_notify: SELECT pg_notify('stats_test_use',
3223-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3223+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
32243224

32253225
pg_notify
32263226
---------
@@ -3287,7 +3287,7 @@ f
32873287
(1 row)
32883288

32893289
step s2_big_notify: SELECT pg_notify('stats_test_use',
3290-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3290+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
32913291

32923292
pg_notify
32933293
---------
@@ -3354,7 +3354,7 @@ f
33543354
(1 row)
33553355

33563356
step s2_big_notify: SELECT pg_notify('stats_test_use',
3357-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3357+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
33583358

33593359
pg_notify
33603360
---------
@@ -3421,7 +3421,7 @@ f
34213421
(1 row)
34223422

34233423
step s2_big_notify: SELECT pg_notify('stats_test_use',
3424-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3424+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
34253425

34263426
pg_notify
34273427
---------
@@ -3494,7 +3494,7 @@ f
34943494
(1 row)
34953495

34963496
step s2_big_notify: SELECT pg_notify('stats_test_use',
3497-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3497+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
34983498

34993499
pg_notify
35003500
---------
@@ -3567,7 +3567,7 @@ f
35673567
(1 row)
35683568

35693569
step s2_big_notify: SELECT pg_notify('stats_test_use',
3570-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3570+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
35713571

35723572
pg_notify
35733573
---------
@@ -3642,7 +3642,7 @@ test_stat_func| | |
36423642
(1 row)
36433643

36443644
step s2_big_notify: SELECT pg_notify('stats_test_use',
3645-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3645+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
36463646

36473647
pg_notify
36483648
---------
@@ -3685,7 +3685,7 @@ step s1_slru_save_stats:
36853685
step s1_listen: LISTEN stats_test_nothing;
36863686
step s1_begin: BEGIN;
36873687
step s2_big_notify: SELECT pg_notify('stats_test_use',
3688-
repeat('0', current_setting('block_size')::int / 2)) FROM generate_series(1, 3);
3688+
repeat(i::text, current_setting('block_size')::int / 2)) FROM generate_series(1, 3) g(i);
36893689

36903690
pg_notify
36913691
---------

‎src/test/isolation/specs/stats.spec

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -105,7 +105,7 @@ step s1_slru_save_stats {
105105
}
106106
steps1_listen {LISTENstats_test_nothing; }
107107
steps1_big_notify {SELECTpg_notify('stats_test_use',
108-
repeat('0',current_setting('block_size')::int/2))FROMgenerate_series(1,3);
108+
repeat(i::text,current_setting('block_size')::int/2))FROMgenerate_series(1,3)g(i);
109109
}
110110

111111
steps1_slru_check_stats {
@@ -147,7 +147,7 @@ step s2_table_update_k1 { UPDATE test_stat_tab SET value = value + 1 WHERE key =
147147

148148
# SLRU stats steps
149149
steps2_big_notify {SELECTpg_notify('stats_test_use',
150-
repeat('0',current_setting('block_size')::int/2))FROMgenerate_series(1,3);
150+
repeat(i::text,current_setting('block_size')::int/2))FROMgenerate_series(1,3)g(i);
151151
}
152152

153153

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