mirror of
https://github.com/timescale/timescaledb.git
synced 2025-05-31 01:15:18 +08:00
f89fd07c5b
This changes the license text for SQL files to be identical with the license text for C files.
305 lines
7.6 KiB
Plaintext
305 lines
7.6 KiB
Plaintext
-- This file and its contents are licensed under the Apache License 2.0.
|
|
-- Please see the included NOTICE for copyright information and
|
|
-- LICENSE-APACHE for a copy of the license.
|
|
-- Test hashing Const values. We should expect the same hash value for
|
|
-- all integer types when values are compatible
|
|
SELECT _timescaledb_internal.get_partition_hash(1::int);
|
|
get_partition_hash
|
|
--------------------
|
|
242423622
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(1::bigint);
|
|
get_partition_hash
|
|
--------------------
|
|
242423622
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(1::smallint);
|
|
get_partition_hash
|
|
--------------------
|
|
242423622
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(true);
|
|
get_partition_hash
|
|
--------------------
|
|
242423622
|
|
(1 row)
|
|
|
|
-- Floating point types should also hash the same for compatible values
|
|
SELECT _timescaledb_internal.get_partition_hash(1.0::real);
|
|
get_partition_hash
|
|
--------------------
|
|
376496956
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(1.0::double precision);
|
|
get_partition_hash
|
|
--------------------
|
|
376496956
|
|
(1 row)
|
|
|
|
-- Float aliases
|
|
SELECT _timescaledb_internal.get_partition_hash(1.0::float);
|
|
get_partition_hash
|
|
--------------------
|
|
376496956
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(1.0::float4);
|
|
get_partition_hash
|
|
--------------------
|
|
376496956
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(1.0::float8);
|
|
get_partition_hash
|
|
--------------------
|
|
376496956
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(1.0::numeric);
|
|
get_partition_hash
|
|
--------------------
|
|
1324868424
|
|
(1 row)
|
|
|
|
-- 'name' and '"char"' are internal PostgreSQL types, which are not
|
|
-- intended for use by the general user. They are included here only
|
|
-- for completeness
|
|
-- https://www.postgresql.org/docs/10/static/datatype-character.html#datatype-character-special-table
|
|
SELECT _timescaledb_internal.get_partition_hash('c'::name);
|
|
get_partition_hash
|
|
--------------------
|
|
1903644986
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('c'::"char");
|
|
get_partition_hash
|
|
--------------------
|
|
203891234
|
|
(1 row)
|
|
|
|
-- String and character hashes should also have the same output for
|
|
-- compatible values
|
|
SELECT _timescaledb_internal.get_partition_hash('c'::char);
|
|
get_partition_hash
|
|
--------------------
|
|
1903644986
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('c'::varchar(2));
|
|
get_partition_hash
|
|
--------------------
|
|
1903644986
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('c'::text);
|
|
get_partition_hash
|
|
--------------------
|
|
1903644986
|
|
(1 row)
|
|
|
|
-- 'c' is 0x63 in ASCII
|
|
SELECT _timescaledb_internal.get_partition_hash(E'\\x63'::bytea);
|
|
get_partition_hash
|
|
--------------------
|
|
1903644986
|
|
(1 row)
|
|
|
|
-- Time and date types
|
|
SELECT _timescaledb_internal.get_partition_hash(interval '1 day');
|
|
get_partition_hash
|
|
--------------------
|
|
93502988
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('2017-03-22T09:18:23'::timestamp);
|
|
get_partition_hash
|
|
--------------------
|
|
307315039
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('2017-03-22T09:18:23'::timestamptz);
|
|
get_partition_hash
|
|
--------------------
|
|
1195163597
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('2017-03-22'::date);
|
|
get_partition_hash
|
|
--------------------
|
|
693590295
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('10:00:00'::time);
|
|
get_partition_hash
|
|
--------------------
|
|
1380652790
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('10:00:00-1'::timetz);
|
|
get_partition_hash
|
|
--------------------
|
|
769387140
|
|
(1 row)
|
|
|
|
-- Other types
|
|
SELECT _timescaledb_internal.get_partition_hash(ARRAY[1,2,3]);
|
|
get_partition_hash
|
|
--------------------
|
|
1822090118
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('08002b:010203'::macaddr);
|
|
get_partition_hash
|
|
--------------------
|
|
294987870
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('192.168.100.128/25'::cidr);
|
|
get_partition_hash
|
|
--------------------
|
|
1612896565
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('192.168.100.128'::inet);
|
|
get_partition_hash
|
|
--------------------
|
|
1952516432
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('2001:4f8:3:ba:2e0:81ff:fe22:d1f1'::inet);
|
|
get_partition_hash
|
|
--------------------
|
|
933321588
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('2001:4f8:3:ba:2e0:81ff:fe22:d1f1/128'::cidr);
|
|
get_partition_hash
|
|
--------------------
|
|
933321588
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('{ "foo": "bar" }'::jsonb);
|
|
get_partition_hash
|
|
--------------------
|
|
208840587
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('4b6a5eec-b344-11e7-abc4-cec278b6b50a'::uuid);
|
|
get_partition_hash
|
|
--------------------
|
|
504202548
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(1::regclass);
|
|
get_partition_hash
|
|
--------------------
|
|
242423622
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(int4range(10, 20));
|
|
get_partition_hash
|
|
--------------------
|
|
1202375768
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(int8range(10, 20));
|
|
get_partition_hash
|
|
--------------------
|
|
1202375768
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(numrange(10, 20));
|
|
get_partition_hash
|
|
--------------------
|
|
1083987536
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(tsrange('2017-03-22T09:18:23', '2017-03-23T09:18:23'));
|
|
get_partition_hash
|
|
--------------------
|
|
2079608838
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(tstzrange('2017-03-22T09:18:23+01', '2017-03-23T09:18:23+00'));
|
|
get_partition_hash
|
|
--------------------
|
|
1255083771
|
|
(1 row)
|
|
|
|
-- Test hashing Var values
|
|
CREATE TABLE hash_test(id int, value text);
|
|
INSERT INTO hash_test VALUES (1, 'test');
|
|
-- Test Vars
|
|
SELECT _timescaledb_internal.get_partition_hash(id) FROM hash_test;
|
|
get_partition_hash
|
|
--------------------
|
|
242423622
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash(value) FROM hash_test;
|
|
get_partition_hash
|
|
--------------------
|
|
1771415073
|
|
(1 row)
|
|
|
|
-- Test coerced value
|
|
SELECT _timescaledb_internal.get_partition_hash(id::text) FROM hash_test;
|
|
get_partition_hash
|
|
--------------------
|
|
1516350201
|
|
(1 row)
|
|
|
|
-- Test legacy function that converts values to text first
|
|
SELECT _timescaledb_internal.get_partition_for_key('4b6a5eec-b344-11e7-abc4-cec278b6b50a'::text);
|
|
get_partition_for_key
|
|
-----------------------
|
|
934882099
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_for_key('4b6a5eec-b344-11e7-abc4-cec278b6b50a'::varchar);
|
|
get_partition_for_key
|
|
-----------------------
|
|
934882099
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_for_key(187);
|
|
get_partition_for_key
|
|
-----------------------
|
|
1161071810
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_for_key(187::bigint);
|
|
get_partition_for_key
|
|
-----------------------
|
|
1161071810
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_for_key(187::numeric);
|
|
get_partition_for_key
|
|
-----------------------
|
|
1161071810
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_for_key(187::double precision);
|
|
get_partition_for_key
|
|
-----------------------
|
|
1161071810
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_for_key(int4range(10, 20));
|
|
get_partition_for_key
|
|
-----------------------
|
|
505239042
|
|
(1 row)
|
|
|
|
SELECT _timescaledb_internal.get_partition_hash('08002b:010203'::macaddr);
|
|
get_partition_hash
|
|
--------------------
|
|
294987870
|
|
(1 row)
|
|
|