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https://github.com/timescale/timescaledb.git
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ca0968aaa0
All partitioning functions now has the signature `int func(anyelement)`. This cleans up some special handling that was necessary to support the legacy partitioning function that expected text input.
75 lines
4.1 KiB
SQL
75 lines
4.1 KiB
SQL
-- Test hashing Const values. We should expect the same hash value for
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-- all integer types when values are compatible
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SELECT _timescaledb_internal.get_partition_hash(1::int);
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SELECT _timescaledb_internal.get_partition_hash(1::bigint);
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SELECT _timescaledb_internal.get_partition_hash(1::smallint);
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SELECT _timescaledb_internal.get_partition_hash(true);
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-- Floating point types should also hash the same for compatible values
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SELECT _timescaledb_internal.get_partition_hash(1.0::real);
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SELECT _timescaledb_internal.get_partition_hash(1.0::double precision);
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-- Float aliases
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SELECT _timescaledb_internal.get_partition_hash(1.0::float);
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SELECT _timescaledb_internal.get_partition_hash(1.0::float4);
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SELECT _timescaledb_internal.get_partition_hash(1.0::float8);
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SELECT _timescaledb_internal.get_partition_hash(1.0::numeric);
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-- 'name' and '"char"' are internal PostgreSQL types, which are not
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-- intended for use by the general user. They are included here only
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-- for completeness
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-- https://www.postgresql.org/docs/10/static/datatype-character.html#datatype-character-special-table
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SELECT _timescaledb_internal.get_partition_hash('c'::name);
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SELECT _timescaledb_internal.get_partition_hash('c'::"char");
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-- String and character hashes should also have the same output for
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-- compatible values
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SELECT _timescaledb_internal.get_partition_hash('c'::char);
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SELECT _timescaledb_internal.get_partition_hash('c'::varchar(2));
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SELECT _timescaledb_internal.get_partition_hash('c'::text);
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-- 'c' is 0x63 in ASCII
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SELECT _timescaledb_internal.get_partition_hash(E'\\x63'::bytea);
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-- Time and date types
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SELECT _timescaledb_internal.get_partition_hash(interval '1 day');
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SELECT _timescaledb_internal.get_partition_hash('2017-03-22T09:18:23'::timestamp);
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SELECT _timescaledb_internal.get_partition_hash('2017-03-22T09:18:23'::timestamptz);
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SELECT _timescaledb_internal.get_partition_hash('2017-03-22'::date);
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SELECT _timescaledb_internal.get_partition_hash('10:00:00'::time);
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SELECT _timescaledb_internal.get_partition_hash('10:00:00-1'::timetz);
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-- Other types
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SELECT _timescaledb_internal.get_partition_hash(ARRAY[1,2,3]);
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SELECT _timescaledb_internal.get_partition_hash('08002b:010203'::macaddr);
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SELECT _timescaledb_internal.get_partition_hash('192.168.100.128/25'::cidr);
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SELECT _timescaledb_internal.get_partition_hash('192.168.100.128'::inet);
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SELECT _timescaledb_internal.get_partition_hash('2001:4f8:3:ba:2e0:81ff:fe22:d1f1'::inet);
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SELECT _timescaledb_internal.get_partition_hash('2001:4f8:3:ba:2e0:81ff:fe22:d1f1/128'::cidr);
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SELECT _timescaledb_internal.get_partition_hash('{ "foo": "bar" }'::jsonb);
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SELECT _timescaledb_internal.get_partition_hash('4b6a5eec-b344-11e7-abc4-cec278b6b50a'::uuid);
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SELECT _timescaledb_internal.get_partition_hash(1::regclass);
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SELECT _timescaledb_internal.get_partition_hash(int4range(10, 20));
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SELECT _timescaledb_internal.get_partition_hash(int8range(10, 20));
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SELECT _timescaledb_internal.get_partition_hash(numrange(10, 20));
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SELECT _timescaledb_internal.get_partition_hash(tsrange('2017-03-22T09:18:23', '2017-03-23T09:18:23'));
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SELECT _timescaledb_internal.get_partition_hash(tstzrange('2017-03-22T09:18:23+01', '2017-03-23T09:18:23+00'));
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-- Test hashing Var values
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CREATE TABLE hash_test(id int, value text);
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INSERT INTO hash_test VALUES (1, 'test');
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-- Test Vars
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SELECT _timescaledb_internal.get_partition_hash(id) FROM hash_test;
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SELECT _timescaledb_internal.get_partition_hash(value) FROM hash_test;
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-- Test coerced value
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SELECT _timescaledb_internal.get_partition_hash(id::text) FROM hash_test;
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-- Test legacy function that converts values to text first
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SELECT _timescaledb_internal.get_partition_for_key('4b6a5eec-b344-11e7-abc4-cec278b6b50a'::text);
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SELECT _timescaledb_internal.get_partition_for_key('4b6a5eec-b344-11e7-abc4-cec278b6b50a'::varchar);
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SELECT _timescaledb_internal.get_partition_for_key(187);
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SELECT _timescaledb_internal.get_partition_for_key(187::bigint);
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SELECT _timescaledb_internal.get_partition_for_key(187::numeric);
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SELECT _timescaledb_internal.get_partition_for_key(187::double precision);
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SELECT _timescaledb_internal.get_partition_for_key(int4range(10, 20));
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SELECT _timescaledb_internal.get_partition_hash('08002b:010203'::macaddr);
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