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c4efacdc92
Small fixup after rebase on the master branch. Fixes test output and function naming (even test functions should have the ts_ not the tsl_ prefix for exported C functions).
225 lines
7.2 KiB
Plaintext
225 lines
7.2 KiB
Plaintext
-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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\c :TEST_DBNAME :ROLE_SUPERUSER
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CREATE OR REPLACE FUNCTION _timescaledb_internal.ts_segment_meta_min_max_append(internal, ANYELEMENT)
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RETURNS internal
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AS :TSL_MODULE_PATHNAME, 'ts_segment_meta_min_max_append'
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LANGUAGE C IMMUTABLE PARALLEL SAFE;
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CREATE OR REPLACE FUNCTION _timescaledb_internal.ts_segment_meta_min_max_finish_max(internal, ANYELEMENT)
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RETURNS anyelement
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AS :TSL_MODULE_PATHNAME, 'ts_segment_meta_min_max_finish_max'
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LANGUAGE C IMMUTABLE PARALLEL SAFE;
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CREATE OR REPLACE FUNCTION _timescaledb_internal.ts_segment_meta_min_max_finish_min(internal, ANYELEMENT)
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RETURNS anyelement
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AS :TSL_MODULE_PATHNAME, 'ts_segment_meta_min_max_finish_min'
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LANGUAGE C IMMUTABLE PARALLEL SAFE;
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CREATE AGGREGATE _timescaledb_internal.segment_meta_min_max_agg_min(ANYELEMENT) (
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STYPE = internal,
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SFUNC = _timescaledb_internal.ts_segment_meta_min_max_append,
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FINALFUNC = _timescaledb_internal.ts_segment_meta_min_max_finish_min,
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FINALFUNC_EXTRA
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);
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CREATE AGGREGATE _timescaledb_internal.segment_meta_min_max_agg_max(ANYELEMENT) (
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STYPE = internal,
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SFUNC = _timescaledb_internal.ts_segment_meta_min_max_append,
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FINALFUNC = _timescaledb_internal.ts_segment_meta_min_max_finish_max,
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FINALFUNC_EXTRA
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);
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\ir include/rand_generator.sql
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-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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--------------------------
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-- cheap rand generator --
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--------------------------
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create table rand_minstd_state(i bigint);
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create function rand_minstd_advance(bigint) returns bigint
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language sql immutable as
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$$
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select (16807 * $1) % 2147483647
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$$;
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create function gen_rand_minstd() returns bigint
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language sql security definer as
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$$
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update rand_minstd_state set i = rand_minstd_advance(i) returning i
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$$;
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-- seed the random num generator
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insert into rand_minstd_state values (321);
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER
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CREATE TABLE metric (i int);
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insert into metric select i from generate_series(1, 10) i;
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\set TYPE int
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\set TABLE metric
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\ir include/compression_test_segment_meta.sql
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-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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\set ECHO errors
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?column? | ?column?
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----------+----------
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t | t
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(1 row)
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----NULL tests
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--First
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truncate metric;
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insert into metric select NULLIF(i,1) from generate_series(1, 10) i;
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\ir include/compression_test_segment_meta.sql
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-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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\set ECHO errors
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?column? | ?column?
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----------+----------
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t | t
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(1 row)
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--Last
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truncate metric;
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insert into metric select NULLIF(i,10) from generate_series(1, 10) i;
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\ir include/compression_test_segment_meta.sql
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-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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\set ECHO errors
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?column? | ?column?
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----------+----------
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t | t
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(1 row)
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--Middle
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truncate metric;
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insert into metric select NULLIF(i,5) from generate_series(1, 10) i;
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\ir include/compression_test_segment_meta.sql
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-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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\set ECHO errors
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?column? | ?column?
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----------+----------
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t | t
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(1 row)
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--All NULLS should return null object
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truncate metric;
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insert into metric select NULL from generate_series(1, 10) i;
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SELECT
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_timescaledb_internal.segment_meta_min_max_agg_min(i) is null,
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_timescaledb_internal.segment_meta_min_max_agg_max(i) is null
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FROM metric;
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?column? | ?column?
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----------+----------
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t | t
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(1 row)
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--
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--type tests
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--
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--untoasted text
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CREATE TABLE base_texts AS SELECT
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repeat(item::text, 1) as i
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FROM
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(SELECT sub.item from
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(SELECT generate_series(1, 10) item) as sub
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ORDER BY gen_rand_minstd()
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) sub;
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\set TYPE text
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\set TABLE base_texts
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\ir include/compression_test_segment_meta.sql
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-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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\set ECHO errors
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?column? | ?column?
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----------+----------
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t | t
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(1 row)
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--toasted text
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DROP TABLE base_texts;
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CREATE TABLE base_texts AS SELECT
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repeat(item::text, 100000) as i
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FROM
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(SELECT sub.item from
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(SELECT generate_series(1, 10) item) as sub
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ORDER BY gen_rand_minstd()
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) sub;
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--make sure it's toasted
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SELECT pg_total_relation_size(reltoastrelid)
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FROM pg_class c
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WHERE relname = 'base_texts';
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pg_total_relation_size
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------------------------
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24576
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(1 row)
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\ir include/compression_test_segment_meta.sql
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-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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\set ECHO errors
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?column? | ?column?
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----------+----------
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t | t
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(1 row)
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--name is a fixed-length pass by reference type
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CREATE TABLE base_name AS SELECT
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item::name as i
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FROM
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(SELECT sub.item from
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(SELECT generate_series(1, 10) item) as sub
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ORDER BY gen_rand_minstd()
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) sub;
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\set TYPE name
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\set TABLE base_name
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\ir include/compression_test_segment_meta.sql
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-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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\set ECHO errors
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?column? | ?column?
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----------+----------
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t | t
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(1 row)
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--array
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CREATE TABLE text_array AS SELECT
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array[item::text, 'abab'] as i
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FROM
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(SELECT sub.item from
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(SELECT generate_series(1, 10) item) as sub
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ORDER BY gen_rand_minstd()
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) sub;
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\set TYPE text[]
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\set TABLE text_array
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\ir include/compression_test_segment_meta.sql
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-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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\set ECHO errors
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?column? | ?column?
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----------+----------
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t | t
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(1 row)
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--Points doesn't have an ordering so make sure it errors
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CREATE TABLE points AS SELECT
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point '(0,1)' as i
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FROM
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(SELECT sub.item from
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(SELECT generate_series(1, 10) item) as sub
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ORDER BY gen_rand_minstd()
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) sub;
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\set ON_ERROR_STOP 0
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SELECT
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_timescaledb_internal.segment_meta_min_max_agg_max(i)
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FROM points;
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ERROR: could not identify an less-than operator for type point
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SELECT
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_timescaledb_internal.segment_meta_min_max_agg_min(i)
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FROM points;
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ERROR: could not identify an less-than operator for type point
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\set ON_ERROR_STOP 1
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