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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 13:44:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 13:44:03 +0000 |
commit | 293913568e6a7a86fd1479e1cff8e2ecb58d6568 (patch) | |
tree | fc3b469a3ec5ab71b36ea97cc7aaddb838423a0c /src/test/regress/sql/hash_func.sql | |
parent | Initial commit. (diff) | |
download | postgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.tar.xz postgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.zip |
Adding upstream version 16.2.upstream/16.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/regress/sql/hash_func.sql')
-rw-r--r-- | src/test/regress/sql/hash_func.sql | 264 |
1 files changed, 264 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..5ad33c1 --- /dev/null +++ b/src/test/regress/sql/hash_func.sql @@ -0,0 +1,264 @@ +-- +-- 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); + +-- array hashing with non-hashable element type +SELECT v as value, hash_array(v)::bit(32) as standard +FROM (VALUES ('{0}'::money[])) x(v); +SELECT v as value, hash_array_extended(v, 0)::bit(32) as extended0 +FROM (VALUES ('{0}'::money[])) x(v); + +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); + +SELECT v as value, hash_multirange(v)::bit(32) as standard, + hash_multirange_extended(v, 0)::bit(32) as extended0, + hash_multirange_extended(v, 1)::bit(32) as extended1 +FROM (VALUES ('{[10,20)}'::int4multirange), ('{[23, 43]}'::int4multirange), + ('{[5675, 550273)}'::int4multirange), + ('{[550274, 1550274)}'::int4multirange), + ('{[1550275, 208112489)}'::int4multirange)) x(v) +WHERE hash_multirange(v)::bit(32) != hash_multirange_extended(v, 0)::bit(32) + OR hash_multirange(v)::bit(32) = hash_multirange_extended(v, 1)::bit(32); + +CREATE TYPE hash_test_t1 AS (a int, b text); +SELECT v as value, hash_record(v)::bit(32) as standard, + hash_record_extended(v, 0)::bit(32) as extended0, + hash_record_extended(v, 1)::bit(32) as extended1 +FROM (VALUES (row(1, 'aaa')::hash_test_t1, row(2, 'bbb'), row(-1, 'ccc'))) x(v) +WHERE hash_record(v)::bit(32) != hash_record_extended(v, 0)::bit(32) + OR hash_record(v)::bit(32) = hash_record_extended(v, 1)::bit(32); +DROP TYPE hash_test_t1; + +-- record hashing with non-hashable field type +CREATE TYPE hash_test_t2 AS (a money, b text); +SELECT v as value, hash_record(v)::bit(32) as standard +FROM (VALUES (row(1, 'aaa')::hash_test_t2)) x(v); +SELECT v as value, hash_record_extended(v, 0)::bit(32) as extended0 +FROM (VALUES (row(1, 'aaa')::hash_test_t2)) x(v); +DROP TYPE hash_test_t2; + +-- +-- Check special cases for specific data types +-- +SELECT hashfloat4('0'::float4) = hashfloat4('-0'::float4) AS t; +SELECT hashfloat4('NaN'::float4) = hashfloat4(-'NaN'::float4) AS t; +SELECT hashfloat8('0'::float8) = hashfloat8('-0'::float8) AS t; +SELECT hashfloat8('NaN'::float8) = hashfloat8(-'NaN'::float8) AS t; +SELECT hashfloat4('NaN'::float4) = hashfloat8('NaN'::float8) AS t; |