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Add a regression test for contrib/pgrowlocks.

Browse Source 
Dong Wook Lee, revised a bit by me

Discussion: https://postgr.es/m/20220629055326.tdswmcjcr5jzbrsk@home-desktop
This commit is contained in:
Tom Lane 2022-09-01 15:02:34 -04:00
parent e5484554ba
commit 90247e742f
4 changed files with 281 additions and 0 deletions
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6
contrib/pgrowlocks/.gitignore vendored Normal file
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@ -0,0 +1,6 @@
# Generated subdirectories
/log/
/results/
/output_iso/
/tmp_check/
/tmp_check_iso/

3
contrib/pgrowlocks/Makefile
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@ -9,6 +9,9 @@ EXTENSION = pgrowlocks
DATA = pgrowlocks--1.2.sql pgrowlocks--1.1--1.2.sql pgrowlocks--1.0--1.1.sql
PGFILEDESC = "pgrowlocks - display row locking information"
ISOLATION = pgrowlocks
ISOLATION_OPTS = --load-extension=pgrowlocks
ifdef USE_PGXS
PG_CONFIG = pg_config
PGXS := $(shell $(PG_CONFIG) --pgxs)

233
contrib/pgrowlocks/expected/pgrowlocks.out Normal file
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@ -0,0 +1,233 @@
Parsed test spec with 2 sessions
starting permutation: s1_begin s1_tuplock1 s2_rowlocks s1_commit
step s1_begin: BEGIN;
step s1_tuplock1: SELECT * FROM multixact_conflict FOR KEY SHARE;
a|b
-+-
1|2
3|4
(2 rows)
step s2_rowlocks: SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict');
locked_row|multi|modes
----------+-----+-----------------
(0,1) |f |{"For Key Share"}
(0,2) |f |{"For Key Share"}
(2 rows)
step s1_commit: COMMIT;
starting permutation: s1_begin s1_tuplock2 s2_rowlocks s1_commit
step s1_begin: BEGIN;
step s1_tuplock2: SELECT * FROM multixact_conflict FOR SHARE;
a|b
-+-
1|2
3|4
(2 rows)
step s2_rowlocks: SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict');
locked_row|multi|modes
----------+-----+-------------
(0,1) |f |{"For Share"}
(0,2) |f |{"For Share"}
(2 rows)
step s1_commit: COMMIT;
starting permutation: s1_begin s1_tuplock3 s2_rowlocks s1_commit
step s1_begin: BEGIN;
step s1_tuplock3: SELECT * FROM multixact_conflict FOR NO KEY UPDATE;
a|b
-+-
1|2
3|4
(2 rows)
step s2_rowlocks: SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict');
locked_row|multi|modes
----------+-----+---------------------
(0,1) |f |{"For No Key Update"}
(0,2) |f |{"For No Key Update"}
(2 rows)
step s1_commit: COMMIT;
starting permutation: s1_begin s1_tuplock4 s2_rowlocks s1_commit
step s1_begin: BEGIN;
step s1_tuplock4: SELECT * FROM multixact_conflict FOR UPDATE;
a|b
-+-
1|2
3|4
(2 rows)
step s2_rowlocks: SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict');
locked_row|multi|modes
----------+-----+--------------
(0,1) |f |{"For Update"}
(0,2) |f |{"For Update"}
(2 rows)
step s1_commit: COMMIT;
starting permutation: s1_begin s1_updatea s2_rowlocks s1_commit
step s1_begin: BEGIN;
step s1_updatea: UPDATE multixact_conflict SET a = 10 WHERE a = 1;
step s2_rowlocks: SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict');
locked_row|multi|modes
----------+-----+--------
(0,1) |f |{Update}
(1 row)
step s1_commit: COMMIT;
starting permutation: s1_begin s1_updateb s2_rowlocks s1_commit
step s1_begin: BEGIN;
step s1_updateb: UPDATE multixact_conflict SET b = 11 WHERE b = 4;
step s2_rowlocks: SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict');
locked_row|multi|modes
----------+-----+-----------------
(0,2) |f |{"No Key Update"}
(1 row)
step s1_commit: COMMIT;
starting permutation: s1_begin s1_lcksvpt s1_tuplock1 s2_rowlocks s1_commit
step s1_begin: BEGIN;
step s1_lcksvpt: SELECT * FROM multixact_conflict FOR KEY SHARE; SAVEPOINT s;
a|b
-+-
1|2
3|4
(2 rows)
step s1_tuplock1: SELECT * FROM multixact_conflict FOR KEY SHARE;
a|b
-+-
1|2
3|4
(2 rows)
step s2_rowlocks: SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict');
locked_row|multi|modes
----------+-----+-----------------
(0,1) |f |{"For Key Share"}
(0,2) |f |{"For Key Share"}
(2 rows)
step s1_commit: COMMIT;
starting permutation: s1_begin s1_lcksvpt s1_tuplock2 s2_rowlocks s1_commit
step s1_begin: BEGIN;
step s1_lcksvpt: SELECT * FROM multixact_conflict FOR KEY SHARE; SAVEPOINT s;
a|b
-+-
1|2
3|4
(2 rows)
step s1_tuplock2: SELECT * FROM multixact_conflict FOR SHARE;
a|b
-+-
1|2
3|4
(2 rows)
step s2_rowlocks: SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict');
locked_row|multi|modes
----------+-----+-------------------
(0,1) |t |{"Key Share",Share}
(0,2) |t |{"Key Share",Share}
(2 rows)
step s1_commit: COMMIT;
starting permutation: s1_begin s1_lcksvpt s1_tuplock3 s2_rowlocks s1_commit
step s1_begin: BEGIN;
step s1_lcksvpt: SELECT * FROM multixact_conflict FOR KEY SHARE; SAVEPOINT s;
a|b
-+-
1|2
3|4
(2 rows)
step s1_tuplock3: SELECT * FROM multixact_conflict FOR NO KEY UPDATE;
a|b
-+-
1|2
3|4
(2 rows)
step s2_rowlocks: SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict');
locked_row|multi|modes
----------+-----+---------------------------------
(0,1) |t |{"Key Share","For No Key Update"}
(0,2) |t |{"Key Share","For No Key Update"}
(2 rows)
step s1_commit: COMMIT;
starting permutation: s1_begin s1_lcksvpt s1_tuplock4 s2_rowlocks s1_commit
step s1_begin: BEGIN;
step s1_lcksvpt: SELECT * FROM multixact_conflict FOR KEY SHARE; SAVEPOINT s;
a|b
-+-
1|2
3|4
(2 rows)
step s1_tuplock4: SELECT * FROM multixact_conflict FOR UPDATE;
a|b
-+-
1|2
3|4
(2 rows)
step s2_rowlocks: SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict');
locked_row|multi|modes
----------+-----+--------------------------
(0,1) |t |{"Key Share","For Update"}
(0,2) |t |{"Key Share","For Update"}
(2 rows)
step s1_commit: COMMIT;
starting permutation: s1_begin s1_lcksvpt s1_updatea s2_rowlocks s1_commit
step s1_begin: BEGIN;
step s1_lcksvpt: SELECT * FROM multixact_conflict FOR KEY SHARE; SAVEPOINT s;
a|b
-+-
1|2
3|4
(2 rows)
step s1_updatea: UPDATE multixact_conflict SET a = 10 WHERE a = 1;
step s2_rowlocks: SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict');
locked_row|multi|modes
----------+-----+--------------------
(0,1) |t |{"Key Share",Update}
(0,2) |f |{"For Key Share"}
(2 rows)
step s1_commit: COMMIT;
starting permutation: s1_begin s1_lcksvpt s1_updateb s2_rowlocks s1_commit
step s1_begin: BEGIN;
step s1_lcksvpt: SELECT * FROM multixact_conflict FOR KEY SHARE; SAVEPOINT s;
a|b
-+-
1|2
3|4
(2 rows)
step s1_updateb: UPDATE multixact_conflict SET b = 11 WHERE b = 4;
step s2_rowlocks: SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict');
locked_row|multi|modes
----------+-----+-----------------------------
(0,1) |f |{"For Key Share"}
(0,2) |t |{"Key Share","No Key Update"}
(2 rows)
step s1_commit: COMMIT;

39
contrib/pgrowlocks/specs/pgrowlocks.spec Normal file
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@ -0,0 +1,39 @@
# Tests for contrib/pgrowlocks
setup {
CREATE TABLE multixact_conflict (a int PRIMARY KEY, b int);
INSERT INTO multixact_conflict VALUES (1, 2), (3, 4);
}
teardown {
DROP TABLE multixact_conflict;
}
session s1
step s1_begin { BEGIN; }
step s1_tuplock1 { SELECT * FROM multixact_conflict FOR KEY SHARE; }
step s1_tuplock2 { SELECT * FROM multixact_conflict FOR SHARE; }
step s1_tuplock3 { SELECT * FROM multixact_conflict FOR NO KEY UPDATE; }
step s1_tuplock4 { SELECT * FROM multixact_conflict FOR UPDATE; }
step s1_updatea { UPDATE multixact_conflict SET a = 10 WHERE a = 1; }
step s1_updateb { UPDATE multixact_conflict SET b = 11 WHERE b = 4; }
step s1_lcksvpt { SELECT * FROM multixact_conflict FOR KEY SHARE; SAVEPOINT s; }
step s1_commit { COMMIT; }
session s2
step s2_rowlocks { SELECT locked_row, multi, modes FROM pgrowlocks('multixact_conflict'); }
permutation s1_begin s1_tuplock1 s2_rowlocks s1_commit
permutation s1_begin s1_tuplock2 s2_rowlocks s1_commit
permutation s1_begin s1_tuplock3 s2_rowlocks s1_commit
permutation s1_begin s1_tuplock4 s2_rowlocks s1_commit
permutation s1_begin s1_updatea s2_rowlocks s1_commit
permutation s1_begin s1_updateb s2_rowlocks s1_commit
# test multixact cases using savepoints
permutation s1_begin s1_lcksvpt s1_tuplock1 s2_rowlocks s1_commit
permutation s1_begin s1_lcksvpt s1_tuplock2 s2_rowlocks s1_commit
permutation s1_begin s1_lcksvpt s1_tuplock3 s2_rowlocks s1_commit
permutation s1_begin s1_lcksvpt s1_tuplock4 s2_rowlocks s1_commit
permutation s1_begin s1_lcksvpt s1_updatea s2_rowlocks s1_commit
permutation s1_begin s1_lcksvpt s1_updateb s2_rowlocks s1_commit