-- This file and its contents are licensed under the Timescale License. -- Please see the included NOTICE for copyright information and -- LICENSE-TIMESCALE for a copy of the license. \set ON_ERROR_STOP 0 --negative tests for query validation create table mat_t1( a integer, b integer,c TEXT); CREATE TABLE conditions ( timec TIMESTAMPTZ NOT NULL, location TEXT NOT NULL, temperature integer NULL, humidity DOUBLE PRECISION NULL, timemeasure TIMESTAMPTZ, timeinterval INTERVAL ); select table_name from create_hypertable( 'conditions', 'timec'); CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous, timescaledb.myfill = 1) as select location , min(temperature) from conditions group by time_bucket('1d', timec), location WITH NO DATA; --valid PG option CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous, check_option = LOCAL ) as select * from conditions , mat_t1 WITH NO DATA; -- join multiple tables CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) as select location, count(*) from conditions , mat_t1 where conditions.location = mat_t1.c group by location WITH NO DATA; -- join multiple tables WITH explicit JOIN CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) as select location, count(*) from conditions JOIN mat_t1 ON true where conditions.location = mat_t1.c group by location WITH NO DATA; -- LATERAL multiple tables CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) as select location, count(*) from conditions, LATERAL (Select * from mat_t1 where c = conditions.location) q group by location WITH NO DATA; --non-hypertable CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) as select a, count(*) from mat_t1 group by a WITH NO DATA; -- no group by CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) as select count(*) from conditions WITH NO DATA; -- no time_bucket in group by CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) as select count(*) from conditions group by location WITH NO DATA; -- with valid query in a CTE CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS with m1 as ( Select location, count(*) from conditions group by time_bucket('1week', timec) , location) select * from m1 WITH NO DATA; --with DISTINCT ON CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) as select distinct on ( location ) count(*) from conditions group by location, time_bucket('1week', timec) WITH NO DATA; --aggregate with DISTINCT CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select time_bucket('1week', timec), count(location) , sum(distinct temperature) from conditions group by time_bucket('1week', timec) , location WITH NO DATA; --aggregate with FILTER CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select time_bucket('1week', timec), sum(temperature) filter ( where humidity > 20 ) from conditions group by time_bucket('1week', timec) , location WITH NO DATA; -- aggregate with filter in having clause CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select time_bucket('1week', timec), max(temperature) from conditions group by time_bucket('1week', timec) , location having sum(temperature) filter ( where humidity > 20 ) > 50 WITH NO DATA; -- time_bucket on non partitioning column of hypertable CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select max(temperature) from conditions group by time_bucket('1week', timemeasure) , location WITH NO DATA; --time_bucket on expression CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select max(temperature) from conditions group by time_bucket('1week', timec+ '10 minutes'::interval) , location WITH NO DATA; --multiple time_bucket functions CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select max(temperature) from conditions group by time_bucket('1week', timec) , time_bucket('1month', timec), location WITH NO DATA; --time_bucket using additional args CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select max(temperature) from conditions group by time_bucket( INTERVAL '5 minutes', timec, INTERVAL '-2.5 minutes') , location WITH NO DATA; --time_bucket using non-const for first argument CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select max(temperature) from conditions group by time_bucket( timeinterval, timec) , location WITH NO DATA; -- ordered set aggr CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select mode() within group( order by humidity) from conditions group by time_bucket('1week', timec) WITH NO DATA; --window function CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select avg(temperature) over( order by humidity) from conditions WITH NO DATA; --aggregate without combine function CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select json_agg(location) from conditions group by time_bucket('1week', timec) , location WITH NO DATA; ; CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature), array_agg(location) from conditions group by time_bucket('1week', timec) , location WITH NO DATA; ; -- userdefined aggregate without combine function CREATE AGGREGATE newavg ( sfunc = int4_avg_accum, basetype = int4, stype = _int8, finalfunc = int8_avg, initcond1 = '{0,0}' ); CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), newavg(temperature::int4) from conditions group by time_bucket('1week', timec) , location WITH NO DATA; ; -- using subqueries CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from ( select humidity, temperature, location, timec from conditions ) q group by time_bucket('1week', timec) , location WITH NO DATA; CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS select * from ( Select sum(humidity), avg(temperature::int4) from conditions group by time_bucket('1week', timec) , location ) q WITH NO DATA; --using limit /limit offset CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from conditions group by time_bucket('1week', timec) , location limit 10 WITH NO DATA; CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from conditions group by time_bucket('1week', timec) , location offset 10 WITH NO DATA; --using ORDER BY in view defintion CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from conditions group by time_bucket('1week', timec) , location ORDER BY 1 WITH NO DATA; --using FETCH CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from conditions group by time_bucket('1week', timec) , location fetch first 10 rows only WITH NO DATA; --using locking clauses FOR clause --all should be disabled. we cannot guarntee locks on the hypertable CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from conditions group by time_bucket('1week', timec) , location FOR KEY SHARE WITH NO DATA; CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from conditions group by time_bucket('1week', timec) , location FOR SHARE WITH NO DATA; CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from conditions group by time_bucket('1week', timec) , location FOR UPDATE WITH NO DATA; CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from conditions group by time_bucket('1week', timec) , location FOR NO KEY UPDATE WITH NO DATA; --tablesample clause CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from conditions tablesample bernoulli(0.2) group by time_bucket('1week', timec) , location WITH NO DATA; -- ONLY in from clause CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from ONLY conditions group by time_bucket('1week', timec) , location WITH NO DATA; --grouping sets and variants CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from conditions group by grouping sets(time_bucket('1week', timec) , location ) WITH NO DATA; CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), avg(temperature::int4) from conditions group by rollup(time_bucket('1week', timec) , location ) WITH NO DATA; --NO immutable functions -- check all clauses CREATE FUNCTION test_stablefunc(int) RETURNS int LANGUAGE 'sql' STABLE AS 'SELECT $1 + 10'; CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), max(timec + INTERVAL '1h') from conditions group by time_bucket('1week', timec) , location WITH NO DATA; CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum(humidity), min(location) from conditions group by time_bucket('1week', timec) having max(timec + INTERVAL '1h') > '2010-01-01 09:00:00-08' WITH NO DATA; CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum( test_stablefunc(humidity::int) ), min(location) from conditions group by time_bucket('1week', timec) WITH NO DATA; CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum( temperature ), min(location) from conditions group by time_bucket('1week', timec), test_stablefunc(humidity::int) WITH NO DATA; -- Should use CREATE MATERIALIZED VIEW to create continuous aggregates CREATE VIEW continuous_aggs_errors_tbl1 WITH (timescaledb.continuous) AS SELECT time_bucket('1 week', timec) FROM conditions GROUP BY time_bucket('1 week', timec); -- row security on table create table rowsec_tab( a bigint, b integer, c integer); select table_name from create_hypertable( 'rowsec_tab', 'a', chunk_time_interval=>10); CREATE OR REPLACE FUNCTION integer_now_test() returns bigint LANGUAGE SQL STABLE as $$ SELECT coalesce(max(a), 0)::bigint FROM rowsec_tab $$; SELECT set_integer_now_func('rowsec_tab', 'integer_now_test'); alter table rowsec_tab ENABLE ROW LEVEL SECURITY; create policy rowsec_tab_allview ON rowsec_tab FOR SELECT USING(true); CREATE MATERIALIZED VIEW mat_m1 WITH ( timescaledb.continuous) AS Select sum( b), min(c) from rowsec_tab group by time_bucket('1', a) WITH NO DATA; drop table conditions cascade; --negative tests for WITH options CREATE TABLE conditions ( timec TIMESTAMPTZ NOT NULL, location TEXT NOT NULL, temperature DOUBLE PRECISION NULL, humidity DOUBLE PRECISION NULL, lowp double precision NULL, highp double precision null, allnull double precision null ); select table_name from create_hypertable( 'conditions', 'timec'); create materialized view mat_with_test( timec, minl, sumt , sumh) WITH (timescaledb.continuous) as select time_bucket('1day', timec), min(location), sum(temperature),sum(humidity) from conditions group by time_bucket('1day', timec) WITH NO DATA; SELECT h.schema_name AS "MAT_SCHEMA_NAME", h.table_name AS "MAT_TABLE_NAME", partial_view_name as "PART_VIEW_NAME", partial_view_schema as "PART_VIEW_SCHEMA" FROM _timescaledb_catalog.continuous_agg ca INNER JOIN _timescaledb_catalog.hypertable h ON(h.id = ca.mat_hypertable_id) WHERE user_view_name = 'mat_with_test' \gset \set ON_ERROR_STOP 0 ALTER MATERIALIZED VIEW mat_with_test SET(timescaledb.create_group_indexes = 'false'); ALTER MATERIALIZED VIEW mat_with_test SET(timescaledb.create_group_indexes = 'true'); ALTER MATERIALIZED VIEW mat_with_test ALTER timec DROP default; \set ON_ERROR_STOP 1 DROP TABLE conditions CASCADE; --test WITH using a hypertable with an integer time dimension CREATE TABLE conditions ( timec SMALLINT NOT NULL, location TEXT NOT NULL, temperature DOUBLE PRECISION NULL, humidity DOUBLE PRECISION NULL, lowp double precision NULL, highp double precision null, allnull double precision null ); select table_name from create_hypertable( 'conditions', 'timec', chunk_time_interval=> 100); CREATE OR REPLACE FUNCTION integer_now_test_s() returns smallint LANGUAGE SQL STABLE as $$ SELECT coalesce(max(timec), 0)::smallint FROM conditions $$; SELECT set_integer_now_func('conditions', 'integer_now_test_s'); \set ON_ERROR_STOP 0 create materialized view mat_with_test( timec, minl, sumt , sumh) WITH (timescaledb.continuous) as select time_bucket(100, timec), min(location), sum(temperature),sum(humidity) from conditions group by time_bucket(100, timec) WITH NO DATA; create materialized view mat_with_test( timec, minl, sumt , sumh) WITH (timescaledb.continuous) as select time_bucket(100, timec), min(location), sum(temperature),sum(humidity) from conditions group by time_bucket(100, timec) WITH NO DATA; ALTER TABLE conditions ALTER timec type int; create materialized view mat_with_test( timec, minl, sumt , sumh) WITH (timescaledb.continuous) as select time_bucket(100, timec), min(location), sum(temperature),sum(humidity) from conditions group by time_bucket(100, timec) WITH NO DATA; \set ON_ERROR_STOP 0 DROP TABLE conditions cascade; CREATE TABLE conditions ( timec BIGINT NOT NULL, location TEXT NOT NULL, temperature DOUBLE PRECISION NULL, humidity DOUBLE PRECISION NULL, lowp double precision NULL, highp double precision null, allnull double precision null ); select table_name from create_hypertable( 'conditions', 'timec', chunk_time_interval=> 100); CREATE OR REPLACE FUNCTION integer_now_test_b() returns bigint LANGUAGE SQL STABLE as $$ SELECT coalesce(max(timec), 0)::bigint FROM conditions $$; SELECT set_integer_now_func('conditions', 'integer_now_test_b'); create materialized view mat_with_test( timec, minl, sumt , sumh) WITH (timescaledb.continuous) as select time_bucket(BIGINT '100', timec), min(location), sum(temperature),sum(humidity) from conditions group by 1 WITH NO DATA; -- custom time partition functions are not supported with invalidations CREATE FUNCTION text_part_func(TEXT) RETURNS BIGINT AS $$ SELECT length($1)::BIGINT $$ LANGUAGE SQL IMMUTABLE; CREATE TABLE text_time(time TEXT); SELECT create_hypertable('text_time', 'time', chunk_time_interval => 10, time_partitioning_func => 'text_part_func'); \set ON_ERROR_STOP 0 CREATE MATERIALIZED VIEW text_view WITH (timescaledb.continuous) AS SELECT time_bucket('5', text_part_func(time)), COUNT(time) FROM text_time GROUP BY 1 WITH NO DATA; \set ON_ERROR_STOP 1 -- Check that we get an error when mixing normal materialized views -- and continuous aggregates. CREATE MATERIALIZED VIEW normal_mat_view AS SELECT time_bucket('5', text_part_func(time)), COUNT(time) FROM text_time GROUP BY 1 WITH NO DATA; \set ON_ERROR_STOP 0 DROP MATERIALIZED VIEW normal_mat_view, mat_with_test; \set ON_ERROR_STOP 1 DROP TABLE text_time CASCADE;