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-rw-r--r--src/test/regress/sql/hash_func.sql222
1 files changed, 222 insertions, 0 deletions
diff --git a/src/test/regress/sql/hash_func.sql b/src/test/regress/sql/hash_func.sql
new file mode 100644
index 0000000..b7ce8b2
--- /dev/null
+++ b/src/test/regress/sql/hash_func.sql
@@ -0,0 +1,222 @@
+--
+-- Test hash functions
+--
+-- When the salt is 0, the extended hash function should produce a result
+-- whose low 32 bits match the standard hash function. When the salt is
+-- not 0, we should get a different result.
+--
+
+SELECT v as value, hashint2(v)::bit(32) as standard,
+ hashint2extended(v, 0)::bit(32) as extended0,
+ hashint2extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0::int2), (1::int2), (17::int2), (42::int2)) x(v)
+WHERE hashint2(v)::bit(32) != hashint2extended(v, 0)::bit(32)
+ OR hashint2(v)::bit(32) = hashint2extended(v, 1)::bit(32);
+
+SELECT v as value, hashint4(v)::bit(32) as standard,
+ hashint4extended(v, 0)::bit(32) as extended0,
+ hashint4extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashint4(v)::bit(32) != hashint4extended(v, 0)::bit(32)
+ OR hashint4(v)::bit(32) = hashint4extended(v, 1)::bit(32);
+
+SELECT v as value, hashint8(v)::bit(32) as standard,
+ hashint8extended(v, 0)::bit(32) as extended0,
+ hashint8extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashint8(v)::bit(32) != hashint8extended(v, 0)::bit(32)
+ OR hashint8(v)::bit(32) = hashint8extended(v, 1)::bit(32);
+
+SELECT v as value, hashfloat4(v)::bit(32) as standard,
+ hashfloat4extended(v, 0)::bit(32) as extended0,
+ hashfloat4extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashfloat4(v)::bit(32) != hashfloat4extended(v, 0)::bit(32)
+ OR hashfloat4(v)::bit(32) = hashfloat4extended(v, 1)::bit(32);
+
+SELECT v as value, hashfloat8(v)::bit(32) as standard,
+ hashfloat8extended(v, 0)::bit(32) as extended0,
+ hashfloat8extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashfloat8(v)::bit(32) != hashfloat8extended(v, 0)::bit(32)
+ OR hashfloat8(v)::bit(32) = hashfloat8extended(v, 1)::bit(32);
+
+SELECT v as value, hashoid(v)::bit(32) as standard,
+ hashoidextended(v, 0)::bit(32) as extended0,
+ hashoidextended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashoid(v)::bit(32) != hashoidextended(v, 0)::bit(32)
+ OR hashoid(v)::bit(32) = hashoidextended(v, 1)::bit(32);
+
+SELECT v as value, hashchar(v)::bit(32) as standard,
+ hashcharextended(v, 0)::bit(32) as extended0,
+ hashcharextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::"char"), ('1'), ('x'), ('X'), ('p'), ('N')) x(v)
+WHERE hashchar(v)::bit(32) != hashcharextended(v, 0)::bit(32)
+ OR hashchar(v)::bit(32) = hashcharextended(v, 1)::bit(32);
+
+SELECT v as value, hashname(v)::bit(32) as standard,
+ hashnameextended(v, 0)::bit(32) as extended0,
+ hashnameextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL), ('PostgreSQL'), ('eIpUEtqmY89'), ('AXKEJBTK'),
+ ('muop28x03'), ('yi3nm0d73')) x(v)
+WHERE hashname(v)::bit(32) != hashnameextended(v, 0)::bit(32)
+ OR hashname(v)::bit(32) = hashnameextended(v, 1)::bit(32);
+
+SELECT v as value, hashtext(v)::bit(32) as standard,
+ hashtextextended(v, 0)::bit(32) as extended0,
+ hashtextextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL), ('PostgreSQL'), ('eIpUEtqmY89'), ('AXKEJBTK'),
+ ('muop28x03'), ('yi3nm0d73')) x(v)
+WHERE hashtext(v)::bit(32) != hashtextextended(v, 0)::bit(32)
+ OR hashtext(v)::bit(32) = hashtextextended(v, 1)::bit(32);
+
+SELECT v as value, hashoidvector(v)::bit(32) as standard,
+ hashoidvectorextended(v, 0)::bit(32) as extended0,
+ hashoidvectorextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::oidvector), ('0 1 2 3 4'), ('17 18 19 20'),
+ ('42 43 42 45'), ('550273 550273 570274'),
+ ('207112489 207112499 21512 2155 372325 1363252')) x(v)
+WHERE hashoidvector(v)::bit(32) != hashoidvectorextended(v, 0)::bit(32)
+ OR hashoidvector(v)::bit(32) = hashoidvectorextended(v, 1)::bit(32);
+
+SELECT v as value, hash_aclitem(v)::bit(32) as standard,
+ hash_aclitem_extended(v, 0)::bit(32) as extended0,
+ hash_aclitem_extended(v, 1)::bit(32) as extended1
+FROM (SELECT DISTINCT(relacl[1]) FROM pg_class LIMIT 10) x(v)
+WHERE hash_aclitem(v)::bit(32) != hash_aclitem_extended(v, 0)::bit(32)
+ OR hash_aclitem(v)::bit(32) = hash_aclitem_extended(v, 1)::bit(32);
+
+SELECT v as value, hashmacaddr(v)::bit(32) as standard,
+ hashmacaddrextended(v, 0)::bit(32) as extended0,
+ hashmacaddrextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::macaddr), ('08:00:2b:01:02:04'), ('08:00:2b:01:02:04'),
+ ('e2:7f:51:3e:70:49'), ('d6:a9:4a:78:1c:d5'),
+ ('ea:29:b1:5e:1f:a5')) x(v)
+WHERE hashmacaddr(v)::bit(32) != hashmacaddrextended(v, 0)::bit(32)
+ OR hashmacaddr(v)::bit(32) = hashmacaddrextended(v, 1)::bit(32);
+
+SELECT v as value, hashinet(v)::bit(32) as standard,
+ hashinetextended(v, 0)::bit(32) as extended0,
+ hashinetextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::inet), ('192.168.100.128/25'), ('192.168.100.0/8'),
+ ('172.168.10.126/16'), ('172.18.103.126/24'), ('192.188.13.16/32')) x(v)
+WHERE hashinet(v)::bit(32) != hashinetextended(v, 0)::bit(32)
+ OR hashinet(v)::bit(32) = hashinetextended(v, 1)::bit(32);
+
+SELECT v as value, hash_numeric(v)::bit(32) as standard,
+ hash_numeric_extended(v, 0)::bit(32) as extended0,
+ hash_numeric_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1.149484958), (17.149484958), (42.149484958),
+ (149484958.550273), (2071124898672)) x(v)
+WHERE hash_numeric(v)::bit(32) != hash_numeric_extended(v, 0)::bit(32)
+ OR hash_numeric(v)::bit(32) = hash_numeric_extended(v, 1)::bit(32);
+
+SELECT v as value, hashmacaddr8(v)::bit(32) as standard,
+ hashmacaddr8extended(v, 0)::bit(32) as extended0,
+ hashmacaddr8extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::macaddr8), ('08:00:2b:01:02:04:36:49'),
+ ('08:00:2b:01:02:04:f0:e8'), ('e2:7f:51:3e:70:49:16:29'),
+ ('d6:a9:4a:78:1c:d5:47:32'), ('ea:29:b1:5e:1f:a5')) x(v)
+WHERE hashmacaddr8(v)::bit(32) != hashmacaddr8extended(v, 0)::bit(32)
+ OR hashmacaddr8(v)::bit(32) = hashmacaddr8extended(v, 1)::bit(32);
+
+SELECT v as value, hash_array(v)::bit(32) as standard,
+ hash_array_extended(v, 0)::bit(32) as extended0,
+ hash_array_extended(v, 1)::bit(32) as extended1
+FROM (VALUES ('{0}'::int4[]), ('{0,1,2,3,4}'), ('{17,18,19,20}'),
+ ('{42,34,65,98}'), ('{550273,590027, 870273}'),
+ ('{207112489, 807112489}')) x(v)
+WHERE hash_array(v)::bit(32) != hash_array_extended(v, 0)::bit(32)
+ OR hash_array(v)::bit(32) = hash_array_extended(v, 1)::bit(32);
+
+SELECT v as value, hashbpchar(v)::bit(32) as standard,
+ hashbpcharextended(v, 0)::bit(32) as extended0,
+ hashbpcharextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL), ('PostgreSQL'), ('eIpUEtqmY89'), ('AXKEJBTK'),
+ ('muop28x03'), ('yi3nm0d73')) x(v)
+WHERE hashbpchar(v)::bit(32) != hashbpcharextended(v, 0)::bit(32)
+ OR hashbpchar(v)::bit(32) = hashbpcharextended(v, 1)::bit(32);
+
+SELECT v as value, time_hash(v)::bit(32) as standard,
+ time_hash_extended(v, 0)::bit(32) as extended0,
+ time_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::time), ('11:09:59'), ('1:09:59'), ('11:59:59'),
+ ('7:9:59'), ('5:15:59')) x(v)
+WHERE time_hash(v)::bit(32) != time_hash_extended(v, 0)::bit(32)
+ OR time_hash(v)::bit(32) = time_hash_extended(v, 1)::bit(32);
+
+SELECT v as value, timetz_hash(v)::bit(32) as standard,
+ timetz_hash_extended(v, 0)::bit(32) as extended0,
+ timetz_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::timetz), ('00:11:52.518762-07'), ('00:11:52.51762-08'),
+ ('00:11:52.62-01'), ('00:11:52.62+01'), ('11:59:59+04')) x(v)
+WHERE timetz_hash(v)::bit(32) != timetz_hash_extended(v, 0)::bit(32)
+ OR timetz_hash(v)::bit(32) = timetz_hash_extended(v, 1)::bit(32);
+
+SELECT v as value, interval_hash(v)::bit(32) as standard,
+ interval_hash_extended(v, 0)::bit(32) as extended0,
+ interval_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::interval),
+ ('5 month 7 day 46 minutes'), ('1 year 7 day 46 minutes'),
+ ('1 year 7 month 20 day 46 minutes'), ('5 month'),
+ ('17 year 11 month 7 day 9 hours 46 minutes 5 seconds')) x(v)
+WHERE interval_hash(v)::bit(32) != interval_hash_extended(v, 0)::bit(32)
+ OR interval_hash(v)::bit(32) = interval_hash_extended(v, 1)::bit(32);
+
+SELECT v as value, timestamp_hash(v)::bit(32) as standard,
+ timestamp_hash_extended(v, 0)::bit(32) as extended0,
+ timestamp_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::timestamp), ('2017-08-22 00:09:59.518762'),
+ ('2015-08-20 00:11:52.51762-08'),
+ ('2017-05-22 00:11:52.62-01'),
+ ('2013-08-22 00:11:52.62+01'), ('2013-08-22 11:59:59+04')) x(v)
+WHERE timestamp_hash(v)::bit(32) != timestamp_hash_extended(v, 0)::bit(32)
+ OR timestamp_hash(v)::bit(32) = timestamp_hash_extended(v, 1)::bit(32);
+
+SELECT v as value, uuid_hash(v)::bit(32) as standard,
+ uuid_hash_extended(v, 0)::bit(32) as extended0,
+ uuid_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::uuid), ('a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'),
+ ('5a9ba4ac-8d6f-11e7-bb31-be2e44b06b34'),
+ ('99c6705c-d939-461c-a3c9-1690ad64ed7b'),
+ ('7deed3ca-8d6f-11e7-bb31-be2e44b06b34'),
+ ('9ad46d4f-6f2a-4edd-aadb-745993928e1e')) x(v)
+WHERE uuid_hash(v)::bit(32) != uuid_hash_extended(v, 0)::bit(32)
+ OR uuid_hash(v)::bit(32) = uuid_hash_extended(v, 1)::bit(32);
+
+SELECT v as value, pg_lsn_hash(v)::bit(32) as standard,
+ pg_lsn_hash_extended(v, 0)::bit(32) as extended0,
+ pg_lsn_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::pg_lsn), ('16/B374D84'), ('30/B374D84'),
+ ('255/B374D84'), ('25/B379D90'), ('900/F37FD90')) x(v)
+WHERE pg_lsn_hash(v)::bit(32) != pg_lsn_hash_extended(v, 0)::bit(32)
+ OR pg_lsn_hash(v)::bit(32) = pg_lsn_hash_extended(v, 1)::bit(32);
+
+CREATE TYPE mood AS ENUM ('sad', 'ok', 'happy');
+SELECT v as value, hashenum(v)::bit(32) as standard,
+ hashenumextended(v, 0)::bit(32) as extended0,
+ hashenumextended(v, 1)::bit(32) as extended1
+FROM (VALUES ('sad'::mood), ('ok'), ('happy')) x(v)
+WHERE hashenum(v)::bit(32) != hashenumextended(v, 0)::bit(32)
+ OR hashenum(v)::bit(32) = hashenumextended(v, 1)::bit(32);
+DROP TYPE mood;
+
+SELECT v as value, jsonb_hash(v)::bit(32) as standard,
+ jsonb_hash_extended(v, 0)::bit(32) as extended0,
+ jsonb_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::jsonb),
+ ('{"a": "aaa bbb ddd ccc", "b": ["eee fff ggg"], "c": {"d": "hhh iii"}}'),
+ ('{"foo": [true, "bar"], "tags": {"e": 1, "f": null}}'),
+ ('{"g": {"h": "value"}}')) x(v)
+WHERE jsonb_hash(v)::bit(32) != jsonb_hash_extended(v, 0)::bit(32)
+ OR jsonb_hash(v)::bit(32) = jsonb_hash_extended(v, 1)::bit(32);
+
+SELECT v as value, hash_range(v)::bit(32) as standard,
+ hash_range_extended(v, 0)::bit(32) as extended0,
+ hash_range_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (int4range(10, 20)), (int4range(23, 43)),
+ (int4range(5675, 550273)),
+ (int4range(550274, 1550274)), (int4range(1550275, 208112489))) x(v)
+WHERE hash_range(v)::bit(32) != hash_range_extended(v, 0)::bit(32)
+ OR hash_range(v)::bit(32) = hash_range_extended(v, 1)::bit(32);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 11:18:20 +0000