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dist_partial_agg-14.out
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dist_partial_agg-14.out
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-- 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.
-- Need to be super user to create extension and add data nodes
\c :TEST_DBNAME :ROLE_CLUSTER_SUPERUSER;
\ir include/remote_exec.sql
-- 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.
CREATE SCHEMA IF NOT EXISTS test;
psql:include/remote_exec.sql:5: NOTICE: schema "test" already exists, skipping
GRANT USAGE ON SCHEMA test TO PUBLIC;
CREATE OR REPLACE FUNCTION test.remote_exec(srv_name name[], command text)
RETURNS VOID
AS :TSL_MODULE_PATHNAME, 'ts_remote_exec'
LANGUAGE C;
CREATE OR REPLACE FUNCTION test.remote_exec_get_result_strings(srv_name name[], command text)
RETURNS TABLE("table_record" CSTRING[])
AS :TSL_MODULE_PATHNAME, 'ts_remote_exec_get_result_strings'
LANGUAGE C;
SET ROLE :ROLE_1;
\set TEST_TABLE 'conditions'
\ir 'include/aggregate_table_create.sql'
-- 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.
-- This file creates a table with a lot of different types to allow a range of aggregate functions.
-- This does not include the creation of a corresponding hypertable, as we may want to vary how that is done.
CREATE TYPE custom_type AS (high int, low int);
CREATE TABLE :TEST_TABLE (
timec TIMESTAMPTZ NOT NULL,
location TEXT NOT NULL,
region TEXT NOT NULL,
temperature DOUBLE PRECISION NULL,
humidity DOUBLE PRECISION NULL,
lowp double precision NULL,
highp double precision null,
allnull double precision null,
highlow custom_type null,
bit_int smallint,
good_life boolean
);
SET ROLE :ROLE_CLUSTER_SUPERUSER;
\set DATA_NODE_1 :TEST_DBNAME _1
\set DATA_NODE_2 :TEST_DBNAME _2
\set DATA_NODE_3 :TEST_DBNAME _3
-- Add data nodes using the TimescaleDB node management API
SELECT node_name, database, node_created, database_created, extension_created
FROM (
SELECT (add_data_node(name, host => 'localhost', DATABASE => name)).*
FROM (VALUES (:'DATA_NODE_1'), (:'DATA_NODE_2'), (:'DATA_NODE_3')) v(name)
) a;
node_name | database | node_created | database_created | extension_created
-----------------------+-----------------------+--------------+------------------+-------------------
db_dist_partial_agg_1 | db_dist_partial_agg_1 | t | t | t
db_dist_partial_agg_2 | db_dist_partial_agg_2 | t | t | t
db_dist_partial_agg_3 | db_dist_partial_agg_3 | t | t | t
(3 rows)
GRANT USAGE ON FOREIGN SERVER :DATA_NODE_1, :DATA_NODE_2, :DATA_NODE_3 TO :ROLE_1;
SELECT * FROM test.remote_exec('{ db_dist_partial_agg_1, db_dist_partial_agg_2, db_dist_partial_agg_3}',
$$
CREATE TYPE custom_type AS (high int, low int);
$$);
NOTICE: [db_dist_partial_agg_1]:
CREATE TYPE custom_type AS (high int, low int)
NOTICE: [db_dist_partial_agg_2]:
CREATE TYPE custom_type AS (high int, low int)
NOTICE: [db_dist_partial_agg_3]:
CREATE TYPE custom_type AS (high int, low int)
remote_exec
-------------
(1 row)
GRANT CREATE ON SCHEMA public TO :ROLE_1;
SET ROLE :ROLE_1;
SELECT table_name FROM create_distributed_hypertable( 'conditions', 'timec', 'location', 3, chunk_time_interval => INTERVAL '1 day');
table_name
------------
conditions
(1 row)
-- We need a lot of data and a lot of chunks to make the planner push down all of the aggregates
\ir 'include/aggregate_table_populate.sql'
-- 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.
-- This files assumes the existence of some table with definition as seen in the aggregate_table.sql file.
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'POR', 'west', generate_series(25, 85, 0.0625), 75, 40, 70, NULL, (1,2)::custom_type, 2, true;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'SFO', 'west', generate_series(25, 85, 0.0625), 75, 40, 70, NULL, (1,2)::custom_type, 2, true;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'SAC', 'west', generate_series(25, 85, 0.0625), 75, 40, 70, NULL, (1,2)::custom_type, 2, true;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'SEA', 'west', generate_series(25, 85, 0.0625), 75, 40, 70, NULL, (1,2)::custom_type, 2, true;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'TAC', 'west', generate_series(25, 85, 0.0625), 75, 40, 70, NULL, (1,2)::custom_type, 2, true;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'NYC', 'north-east', generate_series(29, 41, 0.0125), 45, 50, 40, NULL, (3,4)::custom_type, 4, false;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'BOS', 'north-east', generate_series(29, 41, 0.0125), 45, 50, 40, NULL, (3,4)::custom_type, 4, false;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'CHI', 'midwest', generate_series(29, 41, 0.0125), 45, 50, 40, NULL, (3,4)::custom_type, 4, false;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'MIN', 'midwest', generate_series(29, 41, 0.0125), 45, 50, 40, NULL, (3,4)::custom_type, 4, false;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'DET', 'midwest', generate_series(29, 41, 0.0125), 45, 50, 40, NULL, (3,4)::custom_type, 4, false;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'LA', 'west', generate_series(61, 85, 0.025), 55, NULL, 28, NULL, NULL, 8, true;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'SDG', 'west', generate_series(61, 85, 0.025), 55, NULL, 28, NULL, NULL, 8, true;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'PHX', 'west', generate_series(61, 85, 0.025), 55, NULL, 28, NULL, NULL, 8, true;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'DAL', 'south', generate_series(61, 85, 0.025), 55, NULL, 28, NULL, NULL, 8, true;
INSERT INTO :TEST_TABLE
SELECT generate_series('2018-12-01 00:00'::timestamp, '2018-12-04 08:00'::timestamp, '5 minute'), 'AUS', 'south', generate_series(61, 85, 0.025), 55, NULL, 28, NULL, NULL, 8, true;
SET enable_partitionwise_aggregate = ON;
SET timescaledb.remote_data_fetcher = 'cursor';
-- Run an explain on the aggregate queries to make sure expected aggregates are being pushed down.
-- Grouping by the paritioning column should result in full aggregate pushdown where possible,
-- while using a non-partitioning column should result in a partial pushdown
\set PREFIX 'EXPLAIN (VERBOSE, COSTS OFF)'
\set GROUPING 'location'
\ir 'include/aggregate_queries.sql'
-- 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.
-- This files assumes the existence of some table with definition as seen in the aggregate_table.sql file.
-- All of these should be able to be pushed down if enabled
:PREFIX SELECT :GROUPING,
min(allnull) as min_allnull,
max(temperature) as max_temp,
sum(temperature)+sum(humidity) as agg_sum_expr,
avg(humidity),
ROUND(stddev(CAST(humidity AS INT)), 5),
bit_and(bit_int),
bit_or(bit_int),
bool_and(good_life),
every(temperature > 0),
bool_or(good_life),
count(*) as count_rows,
count(temperature) as count_temp,
count(allnull) as count_zero,
ROUND(CAST(corr(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(covar_pop(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(covar_samp(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_avgx(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_avgy(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_count(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_intercept(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_r2(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_slope(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_sxx(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_sxy(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_syy(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(stddev(CAST(temperature AS INT)), 5) as stddev_temp,
ROUND(stddev_pop(CAST(temperature AS INT)), 5),
ROUND(stddev_samp(CAST(temperature AS INT)), 5),
ROUND(variance(CAST(temperature AS INT)), 5),
ROUND(var_pop(CAST(temperature AS INT)), 5),
ROUND(var_samp(CAST(temperature AS INT)), 5),
last(temperature, timec) as last_temp,
histogram(temperature, 0, 100, 1)
FROM :TEST_TABLE
GROUP BY :GROUPING, timec
ORDER BY :GROUPING, timec;
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Custom Scan (AsyncAppend)
Output: location, (min(allnull)), (max(temperature)), ((sum(temperature) + sum(humidity))), (avg(humidity)), (round(stddev((humidity)::integer), 5)), (bit_and(bit_int)), (bit_or(bit_int)), (bool_and(good_life)), (every((temperature > '0'::double precision))), (bool_or(good_life)), (count(*)), (count(temperature)), (count(allnull)), (round((corr(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5)), (round((covar_pop(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5)), (round((covar_samp(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5)), (round((regr_avgx(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5)), (round((regr_avgy(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5)), (round((regr_count(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5)), (round((regr_intercept(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5)), (round((regr_r2(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5)), (round((regr_slope(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5)), (round((regr_sxx(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5)), (round((regr_sxy(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5)), (round((regr_syy(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5)), (round(stddev((temperature)::integer), 5)), (round(stddev_pop((temperature)::integer), 5)), (round(stddev_samp((temperature)::integer), 5)), (round(variance((temperature)::integer), 5)), (round(var_pop((temperature)::integer), 5)), (round(var_samp((temperature)::integer), 5)), (last(temperature, timec)), (histogram(temperature, '0'::double precision, '100'::double precision, 1)), timec
-> Merge Append
Sort Key: conditions.location, conditions.timec
-> Custom Scan (DataNodeScan)
Output: conditions.location, (min(conditions.allnull)), (max(conditions.temperature)), ((sum(conditions.temperature) + sum(conditions.humidity))), (avg(conditions.humidity)), (round(stddev((conditions.humidity)::integer), 5)), (bit_and(conditions.bit_int)), (bit_or(conditions.bit_int)), (bool_and(conditions.good_life)), (every((conditions.temperature > '0'::double precision))), (bool_or(conditions.good_life)), (count(*)), (count(conditions.temperature)), (count(conditions.allnull)), (round((corr(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision))::numeric, 5)), (round((covar_pop(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision))::numeric, 5)), (round((covar_samp(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision))::numeric, 5)), (round((regr_avgx(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision))::numeric, 5)), (round((regr_avgy(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision))::numeric, 5)), (round((regr_count(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision))::numeric, 5)), (round((regr_intercept(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision))::numeric, 5)), (round((regr_r2(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision))::numeric, 5)), (round((regr_slope(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision))::numeric, 5)), (round((regr_sxx(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision))::numeric, 5)), (round((regr_sxy(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision))::numeric, 5)), (round((regr_syy(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision))::numeric, 5)), (round(stddev((conditions.temperature)::integer), 5)), (round(stddev_pop((conditions.temperature)::integer), 5)), (round(stddev_samp((conditions.temperature)::integer), 5)), (round(variance((conditions.temperature)::integer), 5)), (round(var_pop((conditions.temperature)::integer), 5)), (round(var_samp((conditions.temperature)::integer), 5)), (last(conditions.temperature, conditions.timec)), (histogram(conditions.temperature, '0'::double precision, '100'::double precision, 1)), conditions.timec
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_1
Chunks: _dist_hyper_1_1_chunk, _dist_hyper_1_2_chunk, _dist_hyper_1_3_chunk, _dist_hyper_1_4_chunk
Remote SQL: SELECT location, min(allnull), max(temperature), (sum(temperature) + sum(humidity)), avg(humidity), round(stddev(humidity::integer), 5), bit_and(bit_int), bit_or(bit_int), bool_and(good_life), every((temperature > 0::double precision)), bool_or(good_life), count(*), count(temperature), count(allnull), round(corr(temperature::integer, humidity::integer)::numeric, 5), round(covar_pop(temperature::integer, humidity::integer)::numeric, 5), round(covar_samp(temperature::integer, humidity::integer)::numeric, 5), round(regr_avgx(temperature::integer, humidity::integer)::numeric, 5), round(regr_avgy(temperature::integer, humidity::integer)::numeric, 5), round(regr_count(temperature::integer, humidity::integer)::numeric, 5), round(regr_intercept(temperature::integer, humidity::integer)::numeric, 5), round(regr_r2(temperature::integer, humidity::integer)::numeric, 5), round(regr_slope(temperature::integer, humidity::integer)::numeric, 5), round(regr_sxx(temperature::integer, humidity::integer)::numeric, 5), round(regr_sxy(temperature::integer, humidity::integer)::numeric, 5), round(regr_syy(temperature::integer, humidity::integer)::numeric, 5), round(stddev(temperature::integer), 5), round(stddev_pop(temperature::integer), 5), round(stddev_samp(temperature::integer), 5), round(variance(temperature::integer), 5), round(var_pop(temperature::integer), 5), round(var_samp(temperature::integer), 5), public.last(temperature, timec), public.histogram(temperature, 0::double precision, 100::double precision, 1), timec FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 35 ORDER BY location ASC NULLS LAST, timec ASC NULLS LAST
-> Custom Scan (DataNodeScan)
Output: conditions_1.location, (min(conditions_1.allnull)), (max(conditions_1.temperature)), ((sum(conditions_1.temperature) + sum(conditions_1.humidity))), (avg(conditions_1.humidity)), (round(stddev((conditions_1.humidity)::integer), 5)), (bit_and(conditions_1.bit_int)), (bit_or(conditions_1.bit_int)), (bool_and(conditions_1.good_life)), (every((conditions_1.temperature > '0'::double precision))), (bool_or(conditions_1.good_life)), (count(*)), (count(conditions_1.temperature)), (count(conditions_1.allnull)), (round((corr(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision))::numeric, 5)), (round((covar_pop(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision))::numeric, 5)), (round((covar_samp(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision))::numeric, 5)), (round((regr_avgx(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision))::numeric, 5)), (round((regr_avgy(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision))::numeric, 5)), (round((regr_count(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision))::numeric, 5)), (round((regr_intercept(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision))::numeric, 5)), (round((regr_r2(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision))::numeric, 5)), (round((regr_slope(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision))::numeric, 5)), (round((regr_sxx(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision))::numeric, 5)), (round((regr_sxy(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision))::numeric, 5)), (round((regr_syy(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision))::numeric, 5)), (round(stddev((conditions_1.temperature)::integer), 5)), (round(stddev_pop((conditions_1.temperature)::integer), 5)), (round(stddev_samp((conditions_1.temperature)::integer), 5)), (round(variance((conditions_1.temperature)::integer), 5)), (round(var_pop((conditions_1.temperature)::integer), 5)), (round(var_samp((conditions_1.temperature)::integer), 5)), (last(conditions_1.temperature, conditions_1.timec)), (histogram(conditions_1.temperature, '0'::double precision, '100'::double precision, 1)), conditions_1.timec
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_2
Chunks: _dist_hyper_1_9_chunk, _dist_hyper_1_10_chunk, _dist_hyper_1_11_chunk, _dist_hyper_1_12_chunk
Remote SQL: SELECT location, min(allnull), max(temperature), (sum(temperature) + sum(humidity)), avg(humidity), round(stddev(humidity::integer), 5), bit_and(bit_int), bit_or(bit_int), bool_and(good_life), every((temperature > 0::double precision)), bool_or(good_life), count(*), count(temperature), count(allnull), round(corr(temperature::integer, humidity::integer)::numeric, 5), round(covar_pop(temperature::integer, humidity::integer)::numeric, 5), round(covar_samp(temperature::integer, humidity::integer)::numeric, 5), round(regr_avgx(temperature::integer, humidity::integer)::numeric, 5), round(regr_avgy(temperature::integer, humidity::integer)::numeric, 5), round(regr_count(temperature::integer, humidity::integer)::numeric, 5), round(regr_intercept(temperature::integer, humidity::integer)::numeric, 5), round(regr_r2(temperature::integer, humidity::integer)::numeric, 5), round(regr_slope(temperature::integer, humidity::integer)::numeric, 5), round(regr_sxx(temperature::integer, humidity::integer)::numeric, 5), round(regr_sxy(temperature::integer, humidity::integer)::numeric, 5), round(regr_syy(temperature::integer, humidity::integer)::numeric, 5), round(stddev(temperature::integer), 5), round(stddev_pop(temperature::integer), 5), round(stddev_samp(temperature::integer), 5), round(variance(temperature::integer), 5), round(var_pop(temperature::integer), 5), round(var_samp(temperature::integer), 5), public.last(temperature, timec), public.histogram(temperature, 0::double precision, 100::double precision, 1), timec FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 35 ORDER BY location ASC NULLS LAST, timec ASC NULLS LAST
-> Custom Scan (DataNodeScan)
Output: conditions_2.location, (min(conditions_2.allnull)), (max(conditions_2.temperature)), ((sum(conditions_2.temperature) + sum(conditions_2.humidity))), (avg(conditions_2.humidity)), (round(stddev((conditions_2.humidity)::integer), 5)), (bit_and(conditions_2.bit_int)), (bit_or(conditions_2.bit_int)), (bool_and(conditions_2.good_life)), (every((conditions_2.temperature > '0'::double precision))), (bool_or(conditions_2.good_life)), (count(*)), (count(conditions_2.temperature)), (count(conditions_2.allnull)), (round((corr(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision))::numeric, 5)), (round((covar_pop(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision))::numeric, 5)), (round((covar_samp(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision))::numeric, 5)), (round((regr_avgx(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision))::numeric, 5)), (round((regr_avgy(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision))::numeric, 5)), (round((regr_count(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision))::numeric, 5)), (round((regr_intercept(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision))::numeric, 5)), (round((regr_r2(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision))::numeric, 5)), (round((regr_slope(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision))::numeric, 5)), (round((regr_sxx(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision))::numeric, 5)), (round((regr_sxy(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision))::numeric, 5)), (round((regr_syy(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision))::numeric, 5)), (round(stddev((conditions_2.temperature)::integer), 5)), (round(stddev_pop((conditions_2.temperature)::integer), 5)), (round(stddev_samp((conditions_2.temperature)::integer), 5)), (round(variance((conditions_2.temperature)::integer), 5)), (round(var_pop((conditions_2.temperature)::integer), 5)), (round(var_samp((conditions_2.temperature)::integer), 5)), (last(conditions_2.temperature, conditions_2.timec)), (histogram(conditions_2.temperature, '0'::double precision, '100'::double precision, 1)), conditions_2.timec
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_3
Chunks: _dist_hyper_1_5_chunk, _dist_hyper_1_6_chunk, _dist_hyper_1_7_chunk, _dist_hyper_1_8_chunk
Remote SQL: SELECT location, min(allnull), max(temperature), (sum(temperature) + sum(humidity)), avg(humidity), round(stddev(humidity::integer), 5), bit_and(bit_int), bit_or(bit_int), bool_and(good_life), every((temperature > 0::double precision)), bool_or(good_life), count(*), count(temperature), count(allnull), round(corr(temperature::integer, humidity::integer)::numeric, 5), round(covar_pop(temperature::integer, humidity::integer)::numeric, 5), round(covar_samp(temperature::integer, humidity::integer)::numeric, 5), round(regr_avgx(temperature::integer, humidity::integer)::numeric, 5), round(regr_avgy(temperature::integer, humidity::integer)::numeric, 5), round(regr_count(temperature::integer, humidity::integer)::numeric, 5), round(regr_intercept(temperature::integer, humidity::integer)::numeric, 5), round(regr_r2(temperature::integer, humidity::integer)::numeric, 5), round(regr_slope(temperature::integer, humidity::integer)::numeric, 5), round(regr_sxx(temperature::integer, humidity::integer)::numeric, 5), round(regr_sxy(temperature::integer, humidity::integer)::numeric, 5), round(regr_syy(temperature::integer, humidity::integer)::numeric, 5), round(stddev(temperature::integer), 5), round(stddev_pop(temperature::integer), 5), round(stddev_samp(temperature::integer), 5), round(variance(temperature::integer), 5), round(var_pop(temperature::integer), 5), round(var_samp(temperature::integer), 5), public.last(temperature, timec), public.histogram(temperature, 0::double precision, 100::double precision, 1), timec FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 35 ORDER BY location ASC NULLS LAST, timec ASC NULLS LAST
(22 rows)
-- Aggregates on custom types are not yet pushed down
:PREFIX SELECT :GROUPING,
last(highlow, timec) as last_hl,
first(highlow, timec) as first_hl
FROM :TEST_TABLE
GROUP BY :GROUPING, timec
ORDER BY :GROUPING, timec;
QUERY PLAN
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Merge Append
Sort Key: conditions.location, conditions.timec
-> GroupAggregate
Output: conditions.location, last(conditions.highlow, conditions.timec), first(conditions.highlow, conditions.timec), conditions.timec
Group Key: conditions.location, conditions.timec
-> Custom Scan (DataNodeScan) on public.conditions
Output: conditions.location, conditions.timec, conditions.highlow
Data node: db_dist_partial_agg_1
Chunks: _dist_hyper_1_1_chunk, _dist_hyper_1_2_chunk, _dist_hyper_1_3_chunk, _dist_hyper_1_4_chunk
Remote SQL: SELECT timec, location, highlow FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) ORDER BY location ASC NULLS LAST, timec ASC NULLS LAST
-> GroupAggregate
Output: conditions_1.location, last(conditions_1.highlow, conditions_1.timec), first(conditions_1.highlow, conditions_1.timec), conditions_1.timec
Group Key: conditions_1.location, conditions_1.timec
-> Custom Scan (DataNodeScan) on public.conditions conditions_1
Output: conditions_1.location, conditions_1.timec, conditions_1.highlow
Data node: db_dist_partial_agg_2
Chunks: _dist_hyper_1_9_chunk, _dist_hyper_1_10_chunk, _dist_hyper_1_11_chunk, _dist_hyper_1_12_chunk
Remote SQL: SELECT timec, location, highlow FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) ORDER BY location ASC NULLS LAST, timec ASC NULLS LAST
-> GroupAggregate
Output: conditions_2.location, last(conditions_2.highlow, conditions_2.timec), first(conditions_2.highlow, conditions_2.timec), conditions_2.timec
Group Key: conditions_2.location, conditions_2.timec
-> Custom Scan (DataNodeScan) on public.conditions conditions_2
Output: conditions_2.location, conditions_2.timec, conditions_2.highlow
Data node: db_dist_partial_agg_3
Chunks: _dist_hyper_1_5_chunk, _dist_hyper_1_6_chunk, _dist_hyper_1_7_chunk, _dist_hyper_1_8_chunk
Remote SQL: SELECT timec, location, highlow FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) ORDER BY location ASC NULLS LAST, timec ASC NULLS LAST
(26 rows)
-- Mix of aggregates that push down and those that don't
:PREFIX SELECT :GROUPING,
min(allnull) as min_allnull,
max(temperature) as max_temp,
sum(temperature)+sum(humidity) as agg_sum_expr,
avg(humidity),
ROUND(stddev(CAST(humidity AS INT)), 5),
bit_and(bit_int),
bit_or(bit_int),
bool_and(good_life),
every(temperature > 0),
bool_or(good_life),
first(highlow, timec) as first_hl
FROM :TEST_TABLE
GROUP BY :GROUPING, timec
ORDER BY :GROUPING, timec;
QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Merge Append
Sort Key: conditions.location, conditions.timec
-> GroupAggregate
Output: conditions.location, min(conditions.allnull), max(conditions.temperature), (sum(conditions.temperature) + sum(conditions.humidity)), avg(conditions.humidity), round(stddev((conditions.humidity)::integer), 5), bit_and(conditions.bit_int), bit_or(conditions.bit_int), bool_and(conditions.good_life), every((conditions.temperature > '0'::double precision)), bool_or(conditions.good_life), first(conditions.highlow, conditions.timec), conditions.timec
Group Key: conditions.location, conditions.timec
-> Custom Scan (DataNodeScan) on public.conditions
Output: conditions.location, conditions.timec, conditions.allnull, conditions.temperature, conditions.humidity, conditions.bit_int, conditions.good_life, conditions.highlow
Data node: db_dist_partial_agg_1
Chunks: _dist_hyper_1_1_chunk, _dist_hyper_1_2_chunk, _dist_hyper_1_3_chunk, _dist_hyper_1_4_chunk
Remote SQL: SELECT timec, location, temperature, humidity, allnull, highlow, bit_int, good_life FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) ORDER BY location ASC NULLS LAST, timec ASC NULLS LAST
-> GroupAggregate
Output: conditions_1.location, min(conditions_1.allnull), max(conditions_1.temperature), (sum(conditions_1.temperature) + sum(conditions_1.humidity)), avg(conditions_1.humidity), round(stddev((conditions_1.humidity)::integer), 5), bit_and(conditions_1.bit_int), bit_or(conditions_1.bit_int), bool_and(conditions_1.good_life), every((conditions_1.temperature > '0'::double precision)), bool_or(conditions_1.good_life), first(conditions_1.highlow, conditions_1.timec), conditions_1.timec
Group Key: conditions_1.location, conditions_1.timec
-> Custom Scan (DataNodeScan) on public.conditions conditions_1
Output: conditions_1.location, conditions_1.timec, conditions_1.allnull, conditions_1.temperature, conditions_1.humidity, conditions_1.bit_int, conditions_1.good_life, conditions_1.highlow
Data node: db_dist_partial_agg_2
Chunks: _dist_hyper_1_9_chunk, _dist_hyper_1_10_chunk, _dist_hyper_1_11_chunk, _dist_hyper_1_12_chunk
Remote SQL: SELECT timec, location, temperature, humidity, allnull, highlow, bit_int, good_life FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) ORDER BY location ASC NULLS LAST, timec ASC NULLS LAST
-> GroupAggregate
Output: conditions_2.location, min(conditions_2.allnull), max(conditions_2.temperature), (sum(conditions_2.temperature) + sum(conditions_2.humidity)), avg(conditions_2.humidity), round(stddev((conditions_2.humidity)::integer), 5), bit_and(conditions_2.bit_int), bit_or(conditions_2.bit_int), bool_and(conditions_2.good_life), every((conditions_2.temperature > '0'::double precision)), bool_or(conditions_2.good_life), first(conditions_2.highlow, conditions_2.timec), conditions_2.timec
Group Key: conditions_2.location, conditions_2.timec
-> Custom Scan (DataNodeScan) on public.conditions conditions_2
Output: conditions_2.location, conditions_2.timec, conditions_2.allnull, conditions_2.temperature, conditions_2.humidity, conditions_2.bit_int, conditions_2.good_life, conditions_2.highlow
Data node: db_dist_partial_agg_3
Chunks: _dist_hyper_1_5_chunk, _dist_hyper_1_6_chunk, _dist_hyper_1_7_chunk, _dist_hyper_1_8_chunk
Remote SQL: SELECT timec, location, temperature, humidity, allnull, highlow, bit_int, good_life FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) ORDER BY location ASC NULLS LAST, timec ASC NULLS LAST
(26 rows)
-- Aggregates nested in expressions and no top-level aggregate #3672
:PREFIX SELECT :GROUPING,
sum(temperature)+sum(humidity) as agg_sum_expr
FROM :TEST_TABLE
GROUP BY :GROUPING, timec
ORDER BY :GROUPING, timec;
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Custom Scan (AsyncAppend)
Output: location, ((sum(temperature) + sum(humidity))), timec
-> Merge Append
Sort Key: conditions.location, conditions.timec
-> Custom Scan (DataNodeScan)
Output: conditions.location, ((sum(conditions.temperature) + sum(conditions.humidity))), conditions.timec
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_1
Chunks: _dist_hyper_1_1_chunk, _dist_hyper_1_2_chunk, _dist_hyper_1_3_chunk, _dist_hyper_1_4_chunk
Remote SQL: SELECT location, (sum(temperature) + sum(humidity)), timec FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 3 ORDER BY location ASC NULLS LAST, timec ASC NULLS LAST
-> Custom Scan (DataNodeScan)
Output: conditions_1.location, ((sum(conditions_1.temperature) + sum(conditions_1.humidity))), conditions_1.timec
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_2
Chunks: _dist_hyper_1_9_chunk, _dist_hyper_1_10_chunk, _dist_hyper_1_11_chunk, _dist_hyper_1_12_chunk
Remote SQL: SELECT location, (sum(temperature) + sum(humidity)), timec FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 3 ORDER BY location ASC NULLS LAST, timec ASC NULLS LAST
-> Custom Scan (DataNodeScan)
Output: conditions_2.location, ((sum(conditions_2.temperature) + sum(conditions_2.humidity))), conditions_2.timec
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_3
Chunks: _dist_hyper_1_5_chunk, _dist_hyper_1_6_chunk, _dist_hyper_1_7_chunk, _dist_hyper_1_8_chunk
Remote SQL: SELECT location, (sum(temperature) + sum(humidity)), timec FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 3 ORDER BY location ASC NULLS LAST, timec ASC NULLS LAST
(22 rows)
-- Aggregates with no aggregate reference in targetlist #3664
:PREFIX SELECT :GROUPING
FROM :TEST_TABLE
GROUP BY :GROUPING, timec
HAVING avg(temperature) > 20
ORDER BY :GROUPING, timec;
QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Sort
Output: location, timec
Sort Key: location, timec
-> Custom Scan (AsyncAppend)
Output: location, timec
-> Append
-> Custom Scan (DataNodeScan)
Output: conditions.location, conditions.timec
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_1
Chunks: _dist_hyper_1_1_chunk, _dist_hyper_1_2_chunk, _dist_hyper_1_3_chunk, _dist_hyper_1_4_chunk
Remote SQL: SELECT location, timec FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 2 HAVING ((avg(temperature) > 20::double precision))
-> Custom Scan (DataNodeScan)
Output: conditions_1.location, conditions_1.timec
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_2
Chunks: _dist_hyper_1_9_chunk, _dist_hyper_1_10_chunk, _dist_hyper_1_11_chunk, _dist_hyper_1_12_chunk
Remote SQL: SELECT location, timec FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 2 HAVING ((avg(temperature) > 20::double precision))
-> Custom Scan (DataNodeScan)
Output: conditions_2.location, conditions_2.timec
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_3
Chunks: _dist_hyper_1_5_chunk, _dist_hyper_1_6_chunk, _dist_hyper_1_7_chunk, _dist_hyper_1_8_chunk
Remote SQL: SELECT location, timec FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 2 HAVING ((avg(temperature) > 20::double precision))
(24 rows)
\set GROUPING 'region, temperature'
\ir 'include/aggregate_queries.sql'
-- 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.
-- This files assumes the existence of some table with definition as seen in the aggregate_table.sql file.
-- All of these should be able to be pushed down if enabled
:PREFIX SELECT :GROUPING,
min(allnull) as min_allnull,
max(temperature) as max_temp,
sum(temperature)+sum(humidity) as agg_sum_expr,
avg(humidity),
ROUND(stddev(CAST(humidity AS INT)), 5),
bit_and(bit_int),
bit_or(bit_int),
bool_and(good_life),
every(temperature > 0),
bool_or(good_life),
count(*) as count_rows,
count(temperature) as count_temp,
count(allnull) as count_zero,
ROUND(CAST(corr(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(covar_pop(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(covar_samp(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_avgx(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_avgy(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_count(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_intercept(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_r2(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_slope(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_sxx(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_sxy(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(CAST(regr_syy(CAST(temperature AS INT), CAST(humidity AS INT)) AS NUMERIC), 5),
ROUND(stddev(CAST(temperature AS INT)), 5) as stddev_temp,
ROUND(stddev_pop(CAST(temperature AS INT)), 5),
ROUND(stddev_samp(CAST(temperature AS INT)), 5),
ROUND(variance(CAST(temperature AS INT)), 5),
ROUND(var_pop(CAST(temperature AS INT)), 5),
ROUND(var_samp(CAST(temperature AS INT)), 5),
last(temperature, timec) as last_temp,
histogram(temperature, 0, 100, 1)
FROM :TEST_TABLE
GROUP BY :GROUPING, timec
ORDER BY :GROUPING, timec;
QUERY PLAN
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Finalize GroupAggregate
Output: region, temperature, min(allnull), max(temperature), (sum(temperature) + sum(humidity)), avg(humidity), round(stddev((humidity)::integer), 5), bit_and(bit_int), bit_or(bit_int), bool_and(good_life), every((temperature > '0'::double precision)), bool_or(good_life), count(*), count(temperature), count(allnull), round((corr(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5), round((covar_pop(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5), round((covar_samp(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5), round((regr_avgx(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5), round((regr_avgy(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5), round((regr_count(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5), round((regr_intercept(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5), round((regr_r2(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5), round((regr_slope(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5), round((regr_sxx(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5), round((regr_sxy(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5), round((regr_syy(((temperature)::integer)::double precision, ((humidity)::integer)::double precision))::numeric, 5), round(stddev((temperature)::integer), 5), round(stddev_pop((temperature)::integer), 5), round(stddev_samp((temperature)::integer), 5), round(variance((temperature)::integer), 5), round(var_pop((temperature)::integer), 5), round(var_samp((temperature)::integer), 5), last(temperature, timec), histogram(temperature, '0'::double precision, '100'::double precision, 1), timec
Group Key: region, temperature, timec
-> Custom Scan (AsyncAppend)
Output: region, temperature, timec, (PARTIAL min(allnull)), (PARTIAL max(temperature)), (PARTIAL sum(temperature)), (PARTIAL sum(humidity)), (PARTIAL avg(humidity)), (PARTIAL stddev((humidity)::integer)), (PARTIAL bit_and(bit_int)), (PARTIAL bit_or(bit_int)), (PARTIAL bool_and(good_life)), (PARTIAL every((temperature > '0'::double precision))), (PARTIAL bool_or(good_life)), (PARTIAL count(*)), (PARTIAL count(temperature)), (PARTIAL count(allnull)), (PARTIAL corr(((temperature)::integer)::double precision, ((humidity)::integer)::double precision)), (PARTIAL covar_pop(((temperature)::integer)::double precision, ((humidity)::integer)::double precision)), (PARTIAL covar_samp(((temperature)::integer)::double precision, ((humidity)::integer)::double precision)), (PARTIAL regr_avgx(((temperature)::integer)::double precision, ((humidity)::integer)::double precision)), (PARTIAL regr_avgy(((temperature)::integer)::double precision, ((humidity)::integer)::double precision)), (PARTIAL regr_count(((temperature)::integer)::double precision, ((humidity)::integer)::double precision)), (PARTIAL regr_intercept(((temperature)::integer)::double precision, ((humidity)::integer)::double precision)), (PARTIAL regr_r2(((temperature)::integer)::double precision, ((humidity)::integer)::double precision)), (PARTIAL regr_slope(((temperature)::integer)::double precision, ((humidity)::integer)::double precision)), (PARTIAL regr_sxx(((temperature)::integer)::double precision, ((humidity)::integer)::double precision)), (PARTIAL regr_sxy(((temperature)::integer)::double precision, ((humidity)::integer)::double precision)), (PARTIAL regr_syy(((temperature)::integer)::double precision, ((humidity)::integer)::double precision)), (PARTIAL stddev((temperature)::integer)), (PARTIAL stddev_pop((temperature)::integer)), (PARTIAL stddev_samp((temperature)::integer)), (PARTIAL variance((temperature)::integer)), (PARTIAL var_pop((temperature)::integer)), (PARTIAL var_samp((temperature)::integer)), (PARTIAL last(temperature, timec)), (PARTIAL histogram(temperature, '0'::double precision, '100'::double precision, 1))
-> Merge Append
Sort Key: conditions.region, conditions.temperature, conditions.timec
-> Custom Scan (DataNodeScan)
Output: conditions.region, conditions.temperature, conditions.timec, (PARTIAL min(conditions.allnull)), (PARTIAL max(conditions.temperature)), (PARTIAL sum(conditions.temperature)), (PARTIAL sum(conditions.humidity)), (PARTIAL avg(conditions.humidity)), (PARTIAL stddev((conditions.humidity)::integer)), (PARTIAL bit_and(conditions.bit_int)), (PARTIAL bit_or(conditions.bit_int)), (PARTIAL bool_and(conditions.good_life)), (PARTIAL every((conditions.temperature > '0'::double precision))), (PARTIAL bool_or(conditions.good_life)), (PARTIAL count(*)), (PARTIAL count(conditions.temperature)), (PARTIAL count(conditions.allnull)), (PARTIAL corr(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision)), (PARTIAL covar_pop(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision)), (PARTIAL covar_samp(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision)), (PARTIAL regr_avgx(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision)), (PARTIAL regr_avgy(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision)), (PARTIAL regr_count(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision)), (PARTIAL regr_intercept(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision)), (PARTIAL regr_r2(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision)), (PARTIAL regr_slope(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision)), (PARTIAL regr_sxx(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision)), (PARTIAL regr_sxy(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision)), (PARTIAL regr_syy(((conditions.temperature)::integer)::double precision, ((conditions.humidity)::integer)::double precision)), (PARTIAL stddev((conditions.temperature)::integer)), (PARTIAL stddev_pop((conditions.temperature)::integer)), (PARTIAL stddev_samp((conditions.temperature)::integer)), (PARTIAL variance((conditions.temperature)::integer)), (PARTIAL var_pop((conditions.temperature)::integer)), (PARTIAL var_samp((conditions.temperature)::integer)), (PARTIAL last(conditions.temperature, conditions.timec)), (PARTIAL histogram(conditions.temperature, '0'::double precision, '100'::double precision, 1))
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_1
Chunks: _dist_hyper_1_1_chunk, _dist_hyper_1_2_chunk, _dist_hyper_1_3_chunk, _dist_hyper_1_4_chunk
Remote SQL: SELECT region, temperature, timec, _timescaledb_internal.partialize_agg(min(allnull)), _timescaledb_internal.partialize_agg(max(temperature)), _timescaledb_internal.partialize_agg(sum(temperature)), _timescaledb_internal.partialize_agg(sum(humidity)), _timescaledb_internal.partialize_agg(avg(humidity)), _timescaledb_internal.partialize_agg(stddev(humidity::integer)), _timescaledb_internal.partialize_agg(bit_and(bit_int)), _timescaledb_internal.partialize_agg(bit_or(bit_int)), _timescaledb_internal.partialize_agg(bool_and(good_life)), _timescaledb_internal.partialize_agg(every((temperature > 0::double precision))), _timescaledb_internal.partialize_agg(bool_or(good_life)), _timescaledb_internal.partialize_agg(count(*)), _timescaledb_internal.partialize_agg(count(temperature)), _timescaledb_internal.partialize_agg(count(allnull)), _timescaledb_internal.partialize_agg(corr(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(covar_pop(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(covar_samp(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_avgx(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_avgy(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_count(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_intercept(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_r2(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_slope(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_sxx(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_sxy(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_syy(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(stddev(temperature::integer)), _timescaledb_internal.partialize_agg(stddev_pop(temperature::integer)), _timescaledb_internal.partialize_agg(stddev_samp(temperature::integer)), _timescaledb_internal.partialize_agg(variance(temperature::integer)), _timescaledb_internal.partialize_agg(var_pop(temperature::integer)), _timescaledb_internal.partialize_agg(var_samp(temperature::integer)), _timescaledb_internal.partialize_agg(public.last(temperature, timec)), _timescaledb_internal.partialize_agg(public.histogram(temperature, 0::double precision, 100::double precision, 1)) FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 2, 3 ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
-> Custom Scan (DataNodeScan)
Output: conditions_1.region, conditions_1.temperature, conditions_1.timec, (PARTIAL min(conditions_1.allnull)), (PARTIAL max(conditions_1.temperature)), (PARTIAL sum(conditions_1.temperature)), (PARTIAL sum(conditions_1.humidity)), (PARTIAL avg(conditions_1.humidity)), (PARTIAL stddev((conditions_1.humidity)::integer)), (PARTIAL bit_and(conditions_1.bit_int)), (PARTIAL bit_or(conditions_1.bit_int)), (PARTIAL bool_and(conditions_1.good_life)), (PARTIAL every((conditions_1.temperature > '0'::double precision))), (PARTIAL bool_or(conditions_1.good_life)), (PARTIAL count(*)), (PARTIAL count(conditions_1.temperature)), (PARTIAL count(conditions_1.allnull)), (PARTIAL corr(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision)), (PARTIAL covar_pop(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision)), (PARTIAL covar_samp(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision)), (PARTIAL regr_avgx(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision)), (PARTIAL regr_avgy(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision)), (PARTIAL regr_count(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision)), (PARTIAL regr_intercept(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision)), (PARTIAL regr_r2(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision)), (PARTIAL regr_slope(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision)), (PARTIAL regr_sxx(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision)), (PARTIAL regr_sxy(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision)), (PARTIAL regr_syy(((conditions_1.temperature)::integer)::double precision, ((conditions_1.humidity)::integer)::double precision)), (PARTIAL stddev((conditions_1.temperature)::integer)), (PARTIAL stddev_pop((conditions_1.temperature)::integer)), (PARTIAL stddev_samp((conditions_1.temperature)::integer)), (PARTIAL variance((conditions_1.temperature)::integer)), (PARTIAL var_pop((conditions_1.temperature)::integer)), (PARTIAL var_samp((conditions_1.temperature)::integer)), (PARTIAL last(conditions_1.temperature, conditions_1.timec)), (PARTIAL histogram(conditions_1.temperature, '0'::double precision, '100'::double precision, 1))
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_2
Chunks: _dist_hyper_1_9_chunk, _dist_hyper_1_10_chunk, _dist_hyper_1_11_chunk, _dist_hyper_1_12_chunk
Remote SQL: SELECT region, temperature, timec, _timescaledb_internal.partialize_agg(min(allnull)), _timescaledb_internal.partialize_agg(max(temperature)), _timescaledb_internal.partialize_agg(sum(temperature)), _timescaledb_internal.partialize_agg(sum(humidity)), _timescaledb_internal.partialize_agg(avg(humidity)), _timescaledb_internal.partialize_agg(stddev(humidity::integer)), _timescaledb_internal.partialize_agg(bit_and(bit_int)), _timescaledb_internal.partialize_agg(bit_or(bit_int)), _timescaledb_internal.partialize_agg(bool_and(good_life)), _timescaledb_internal.partialize_agg(every((temperature > 0::double precision))), _timescaledb_internal.partialize_agg(bool_or(good_life)), _timescaledb_internal.partialize_agg(count(*)), _timescaledb_internal.partialize_agg(count(temperature)), _timescaledb_internal.partialize_agg(count(allnull)), _timescaledb_internal.partialize_agg(corr(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(covar_pop(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(covar_samp(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_avgx(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_avgy(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_count(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_intercept(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_r2(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_slope(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_sxx(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_sxy(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_syy(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(stddev(temperature::integer)), _timescaledb_internal.partialize_agg(stddev_pop(temperature::integer)), _timescaledb_internal.partialize_agg(stddev_samp(temperature::integer)), _timescaledb_internal.partialize_agg(variance(temperature::integer)), _timescaledb_internal.partialize_agg(var_pop(temperature::integer)), _timescaledb_internal.partialize_agg(var_samp(temperature::integer)), _timescaledb_internal.partialize_agg(public.last(temperature, timec)), _timescaledb_internal.partialize_agg(public.histogram(temperature, 0::double precision, 100::double precision, 1)) FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 2, 3 ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
-> Custom Scan (DataNodeScan)
Output: conditions_2.region, conditions_2.temperature, conditions_2.timec, (PARTIAL min(conditions_2.allnull)), (PARTIAL max(conditions_2.temperature)), (PARTIAL sum(conditions_2.temperature)), (PARTIAL sum(conditions_2.humidity)), (PARTIAL avg(conditions_2.humidity)), (PARTIAL stddev((conditions_2.humidity)::integer)), (PARTIAL bit_and(conditions_2.bit_int)), (PARTIAL bit_or(conditions_2.bit_int)), (PARTIAL bool_and(conditions_2.good_life)), (PARTIAL every((conditions_2.temperature > '0'::double precision))), (PARTIAL bool_or(conditions_2.good_life)), (PARTIAL count(*)), (PARTIAL count(conditions_2.temperature)), (PARTIAL count(conditions_2.allnull)), (PARTIAL corr(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision)), (PARTIAL covar_pop(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision)), (PARTIAL covar_samp(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision)), (PARTIAL regr_avgx(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision)), (PARTIAL regr_avgy(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision)), (PARTIAL regr_count(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision)), (PARTIAL regr_intercept(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision)), (PARTIAL regr_r2(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision)), (PARTIAL regr_slope(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision)), (PARTIAL regr_sxx(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision)), (PARTIAL regr_sxy(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision)), (PARTIAL regr_syy(((conditions_2.temperature)::integer)::double precision, ((conditions_2.humidity)::integer)::double precision)), (PARTIAL stddev((conditions_2.temperature)::integer)), (PARTIAL stddev_pop((conditions_2.temperature)::integer)), (PARTIAL stddev_samp((conditions_2.temperature)::integer)), (PARTIAL variance((conditions_2.temperature)::integer)), (PARTIAL var_pop((conditions_2.temperature)::integer)), (PARTIAL var_samp((conditions_2.temperature)::integer)), (PARTIAL last(conditions_2.temperature, conditions_2.timec)), (PARTIAL histogram(conditions_2.temperature, '0'::double precision, '100'::double precision, 1))
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_3
Chunks: _dist_hyper_1_5_chunk, _dist_hyper_1_6_chunk, _dist_hyper_1_7_chunk, _dist_hyper_1_8_chunk
Remote SQL: SELECT region, temperature, timec, _timescaledb_internal.partialize_agg(min(allnull)), _timescaledb_internal.partialize_agg(max(temperature)), _timescaledb_internal.partialize_agg(sum(temperature)), _timescaledb_internal.partialize_agg(sum(humidity)), _timescaledb_internal.partialize_agg(avg(humidity)), _timescaledb_internal.partialize_agg(stddev(humidity::integer)), _timescaledb_internal.partialize_agg(bit_and(bit_int)), _timescaledb_internal.partialize_agg(bit_or(bit_int)), _timescaledb_internal.partialize_agg(bool_and(good_life)), _timescaledb_internal.partialize_agg(every((temperature > 0::double precision))), _timescaledb_internal.partialize_agg(bool_or(good_life)), _timescaledb_internal.partialize_agg(count(*)), _timescaledb_internal.partialize_agg(count(temperature)), _timescaledb_internal.partialize_agg(count(allnull)), _timescaledb_internal.partialize_agg(corr(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(covar_pop(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(covar_samp(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_avgx(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_avgy(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_count(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_intercept(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_r2(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_slope(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_sxx(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_sxy(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(regr_syy(temperature::integer, humidity::integer)), _timescaledb_internal.partialize_agg(stddev(temperature::integer)), _timescaledb_internal.partialize_agg(stddev_pop(temperature::integer)), _timescaledb_internal.partialize_agg(stddev_samp(temperature::integer)), _timescaledb_internal.partialize_agg(variance(temperature::integer)), _timescaledb_internal.partialize_agg(var_pop(temperature::integer)), _timescaledb_internal.partialize_agg(var_samp(temperature::integer)), _timescaledb_internal.partialize_agg(public.last(temperature, timec)), _timescaledb_internal.partialize_agg(public.histogram(temperature, 0::double precision, 100::double precision, 1)) FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 2, 3 ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
(25 rows)
-- Aggregates on custom types are not yet pushed down
:PREFIX SELECT :GROUPING,
last(highlow, timec) as last_hl,
first(highlow, timec) as first_hl
FROM :TEST_TABLE
GROUP BY :GROUPING, timec
ORDER BY :GROUPING, timec;
QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Finalize GroupAggregate
Output: conditions.region, conditions.temperature, last(conditions.highlow, conditions.timec), first(conditions.highlow, conditions.timec), conditions.timec
Group Key: conditions.region, conditions.temperature, conditions.timec
-> Merge Append
Sort Key: conditions.region, conditions.temperature, conditions.timec
-> Partial GroupAggregate
Output: conditions.region, conditions.temperature, conditions.timec, PARTIAL last(conditions.highlow, conditions.timec), PARTIAL first(conditions.highlow, conditions.timec)
Group Key: conditions.region, conditions.temperature, conditions.timec
-> Custom Scan (DataNodeScan) on public.conditions
Output: conditions.region, conditions.temperature, conditions.timec, conditions.highlow
Data node: db_dist_partial_agg_1
Chunks: _dist_hyper_1_1_chunk, _dist_hyper_1_2_chunk, _dist_hyper_1_3_chunk, _dist_hyper_1_4_chunk
Remote SQL: SELECT timec, region, temperature, highlow FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
-> Partial GroupAggregate
Output: conditions_1.region, conditions_1.temperature, conditions_1.timec, PARTIAL last(conditions_1.highlow, conditions_1.timec), PARTIAL first(conditions_1.highlow, conditions_1.timec)
Group Key: conditions_1.region, conditions_1.temperature, conditions_1.timec
-> Custom Scan (DataNodeScan) on public.conditions conditions_1
Output: conditions_1.region, conditions_1.temperature, conditions_1.timec, conditions_1.highlow
Data node: db_dist_partial_agg_2
Chunks: _dist_hyper_1_9_chunk, _dist_hyper_1_10_chunk, _dist_hyper_1_11_chunk, _dist_hyper_1_12_chunk
Remote SQL: SELECT timec, region, temperature, highlow FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
-> Partial GroupAggregate
Output: conditions_2.region, conditions_2.temperature, conditions_2.timec, PARTIAL last(conditions_2.highlow, conditions_2.timec), PARTIAL first(conditions_2.highlow, conditions_2.timec)
Group Key: conditions_2.region, conditions_2.temperature, conditions_2.timec
-> Custom Scan (DataNodeScan) on public.conditions conditions_2
Output: conditions_2.region, conditions_2.temperature, conditions_2.timec, conditions_2.highlow
Data node: db_dist_partial_agg_3
Chunks: _dist_hyper_1_5_chunk, _dist_hyper_1_6_chunk, _dist_hyper_1_7_chunk, _dist_hyper_1_8_chunk
Remote SQL: SELECT timec, region, temperature, highlow FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
(29 rows)
-- Mix of aggregates that push down and those that don't
:PREFIX SELECT :GROUPING,
min(allnull) as min_allnull,
max(temperature) as max_temp,
sum(temperature)+sum(humidity) as agg_sum_expr,
avg(humidity),
ROUND(stddev(CAST(humidity AS INT)), 5),
bit_and(bit_int),
bit_or(bit_int),
bool_and(good_life),
every(temperature > 0),
bool_or(good_life),
first(highlow, timec) as first_hl
FROM :TEST_TABLE
GROUP BY :GROUPING, timec
ORDER BY :GROUPING, timec;
QUERY PLAN
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Finalize GroupAggregate
Output: conditions.region, conditions.temperature, min(conditions.allnull), max(conditions.temperature), (sum(conditions.temperature) + sum(conditions.humidity)), avg(conditions.humidity), round(stddev((conditions.humidity)::integer), 5), bit_and(conditions.bit_int), bit_or(conditions.bit_int), bool_and(conditions.good_life), every((conditions.temperature > '0'::double precision)), bool_or(conditions.good_life), first(conditions.highlow, conditions.timec), conditions.timec
Group Key: conditions.region, conditions.temperature, conditions.timec
-> Merge Append
Sort Key: conditions.region, conditions.temperature, conditions.timec
-> Partial GroupAggregate
Output: conditions.region, conditions.temperature, conditions.timec, PARTIAL min(conditions.allnull), PARTIAL max(conditions.temperature), PARTIAL sum(conditions.temperature), PARTIAL sum(conditions.humidity), PARTIAL avg(conditions.humidity), PARTIAL stddev((conditions.humidity)::integer), PARTIAL bit_and(conditions.bit_int), PARTIAL bit_or(conditions.bit_int), PARTIAL bool_and(conditions.good_life), PARTIAL every((conditions.temperature > '0'::double precision)), PARTIAL bool_or(conditions.good_life), PARTIAL first(conditions.highlow, conditions.timec)
Group Key: conditions.region, conditions.temperature, conditions.timec
-> Custom Scan (DataNodeScan) on public.conditions
Output: conditions.region, conditions.temperature, conditions.timec, conditions.allnull, conditions.humidity, conditions.bit_int, conditions.good_life, conditions.highlow
Data node: db_dist_partial_agg_1
Chunks: _dist_hyper_1_1_chunk, _dist_hyper_1_2_chunk, _dist_hyper_1_3_chunk, _dist_hyper_1_4_chunk
Remote SQL: SELECT timec, region, temperature, humidity, allnull, highlow, bit_int, good_life FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
-> Partial GroupAggregate
Output: conditions_1.region, conditions_1.temperature, conditions_1.timec, PARTIAL min(conditions_1.allnull), PARTIAL max(conditions_1.temperature), PARTIAL sum(conditions_1.temperature), PARTIAL sum(conditions_1.humidity), PARTIAL avg(conditions_1.humidity), PARTIAL stddev((conditions_1.humidity)::integer), PARTIAL bit_and(conditions_1.bit_int), PARTIAL bit_or(conditions_1.bit_int), PARTIAL bool_and(conditions_1.good_life), PARTIAL every((conditions_1.temperature > '0'::double precision)), PARTIAL bool_or(conditions_1.good_life), PARTIAL first(conditions_1.highlow, conditions_1.timec)
Group Key: conditions_1.region, conditions_1.temperature, conditions_1.timec
-> Custom Scan (DataNodeScan) on public.conditions conditions_1
Output: conditions_1.region, conditions_1.temperature, conditions_1.timec, conditions_1.allnull, conditions_1.humidity, conditions_1.bit_int, conditions_1.good_life, conditions_1.highlow
Data node: db_dist_partial_agg_2
Chunks: _dist_hyper_1_9_chunk, _dist_hyper_1_10_chunk, _dist_hyper_1_11_chunk, _dist_hyper_1_12_chunk
Remote SQL: SELECT timec, region, temperature, humidity, allnull, highlow, bit_int, good_life FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
-> Partial GroupAggregate
Output: conditions_2.region, conditions_2.temperature, conditions_2.timec, PARTIAL min(conditions_2.allnull), PARTIAL max(conditions_2.temperature), PARTIAL sum(conditions_2.temperature), PARTIAL sum(conditions_2.humidity), PARTIAL avg(conditions_2.humidity), PARTIAL stddev((conditions_2.humidity)::integer), PARTIAL bit_and(conditions_2.bit_int), PARTIAL bit_or(conditions_2.bit_int), PARTIAL bool_and(conditions_2.good_life), PARTIAL every((conditions_2.temperature > '0'::double precision)), PARTIAL bool_or(conditions_2.good_life), PARTIAL first(conditions_2.highlow, conditions_2.timec)
Group Key: conditions_2.region, conditions_2.temperature, conditions_2.timec
-> Custom Scan (DataNodeScan) on public.conditions conditions_2
Output: conditions_2.region, conditions_2.temperature, conditions_2.timec, conditions_2.allnull, conditions_2.humidity, conditions_2.bit_int, conditions_2.good_life, conditions_2.highlow
Data node: db_dist_partial_agg_3
Chunks: _dist_hyper_1_5_chunk, _dist_hyper_1_6_chunk, _dist_hyper_1_7_chunk, _dist_hyper_1_8_chunk
Remote SQL: SELECT timec, region, temperature, humidity, allnull, highlow, bit_int, good_life FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
(29 rows)
-- Aggregates nested in expressions and no top-level aggregate #3672
:PREFIX SELECT :GROUPING,
sum(temperature)+sum(humidity) as agg_sum_expr
FROM :TEST_TABLE
GROUP BY :GROUPING, timec
ORDER BY :GROUPING, timec;
QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Finalize GroupAggregate
Output: region, temperature, (sum(temperature) + sum(humidity)), timec
Group Key: region, temperature, timec
-> Custom Scan (AsyncAppend)
Output: region, temperature, timec, (PARTIAL sum(temperature)), (PARTIAL sum(humidity))
-> Merge Append
Sort Key: conditions.region, conditions.temperature, conditions.timec
-> Custom Scan (DataNodeScan)
Output: conditions.region, conditions.temperature, conditions.timec, (PARTIAL sum(conditions.temperature)), (PARTIAL sum(conditions.humidity))
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_1
Chunks: _dist_hyper_1_1_chunk, _dist_hyper_1_2_chunk, _dist_hyper_1_3_chunk, _dist_hyper_1_4_chunk
Remote SQL: SELECT region, temperature, timec, _timescaledb_internal.partialize_agg(sum(temperature)), _timescaledb_internal.partialize_agg(sum(humidity)) FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 2, 3 ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
-> Custom Scan (DataNodeScan)
Output: conditions_1.region, conditions_1.temperature, conditions_1.timec, (PARTIAL sum(conditions_1.temperature)), (PARTIAL sum(conditions_1.humidity))
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_2
Chunks: _dist_hyper_1_9_chunk, _dist_hyper_1_10_chunk, _dist_hyper_1_11_chunk, _dist_hyper_1_12_chunk
Remote SQL: SELECT region, temperature, timec, _timescaledb_internal.partialize_agg(sum(temperature)), _timescaledb_internal.partialize_agg(sum(humidity)) FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 2, 3 ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
-> Custom Scan (DataNodeScan)
Output: conditions_2.region, conditions_2.temperature, conditions_2.timec, (PARTIAL sum(conditions_2.temperature)), (PARTIAL sum(conditions_2.humidity))
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_3
Chunks: _dist_hyper_1_5_chunk, _dist_hyper_1_6_chunk, _dist_hyper_1_7_chunk, _dist_hyper_1_8_chunk
Remote SQL: SELECT region, temperature, timec, _timescaledb_internal.partialize_agg(sum(temperature)), _timescaledb_internal.partialize_agg(sum(humidity)) FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 2, 3 ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
(25 rows)
-- Aggregates with no aggregate reference in targetlist #3664
:PREFIX SELECT :GROUPING
FROM :TEST_TABLE
GROUP BY :GROUPING, timec
HAVING avg(temperature) > 20
ORDER BY :GROUPING, timec;
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Finalize GroupAggregate
Output: region, temperature, timec
Group Key: region, temperature, timec
Filter: (avg(temperature) > '20'::double precision)
-> Custom Scan (AsyncAppend)
Output: region, temperature, timec, (PARTIAL avg(temperature))
-> Merge Append
Sort Key: conditions.region, conditions.temperature, conditions.timec
-> Custom Scan (DataNodeScan)
Output: conditions.region, conditions.temperature, conditions.timec, (PARTIAL avg(conditions.temperature))
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_1
Chunks: _dist_hyper_1_1_chunk, _dist_hyper_1_2_chunk, _dist_hyper_1_3_chunk, _dist_hyper_1_4_chunk
Remote SQL: SELECT region, temperature, timec, _timescaledb_internal.partialize_agg(avg(temperature)) FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 2, 3 ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
-> Custom Scan (DataNodeScan)
Output: conditions_1.region, conditions_1.temperature, conditions_1.timec, (PARTIAL avg(conditions_1.temperature))
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_2
Chunks: _dist_hyper_1_9_chunk, _dist_hyper_1_10_chunk, _dist_hyper_1_11_chunk, _dist_hyper_1_12_chunk
Remote SQL: SELECT region, temperature, timec, _timescaledb_internal.partialize_agg(avg(temperature)) FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 2, 3 ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
-> Custom Scan (DataNodeScan)
Output: conditions_2.region, conditions_2.temperature, conditions_2.timec, (PARTIAL avg(conditions_2.temperature))
Relations: Aggregate on (public.conditions)
Data node: db_dist_partial_agg_3
Chunks: _dist_hyper_1_5_chunk, _dist_hyper_1_6_chunk, _dist_hyper_1_7_chunk, _dist_hyper_1_8_chunk
Remote SQL: SELECT region, temperature, timec, _timescaledb_internal.partialize_agg(avg(temperature)) FROM public.conditions WHERE _timescaledb_internal.chunks_in(public.conditions.*, ARRAY[1, 2, 3, 4]) GROUP BY 1, 2, 3 ORDER BY region ASC NULLS LAST, temperature ASC NULLS LAST, timec ASC NULLS LAST
(26 rows)
-- Full aggregate pushdown correctness check, compare location grouped query results with partionwise aggregates on and off
\set GROUPING 'location'
SELECT format('%s/results/dist_agg_loc_results_test.out', :'TEST_OUTPUT_DIR') as "RESULTS_TEST1",
format('%s/results/dist_agg_loc_results_control.out', :'TEST_OUTPUT_DIR') as "RESULTS_CONTROL1"
\gset
SELECT format('\! diff %s %s', :'RESULTS_CONTROL1', :'RESULTS_TEST1') as "DIFF_CMD1"
\gset
--generate the results into two different files
\set ECHO errors
:DIFF_CMD1
-- Partial aggregate pushdown correctness check, compare region grouped query results with partionwise aggregates on and off
\set GROUPING 'region'
SELECT format('%s/results/dist_agg_region_results_test.out', :'TEST_OUTPUT_DIR') as "RESULTS_TEST2",
format('%s/results/dist_agg_region_results_control.out', :'TEST_OUTPUT_DIR') as "RESULTS_CONTROL2"
\gset
SELECT format('\! diff %s %s', :'RESULTS_CONTROL2', :'RESULTS_TEST2') as "DIFF_CMD2"
\gset
--generate the results into two different files
\set ECHO errors
:DIFF_CMD2
\c :TEST_DBNAME :ROLE_CLUSTER_SUPERUSER
DROP DATABASE :DATA_NODE_1;
DROP DATABASE :DATA_NODE_2;
DROP DATABASE :DATA_NODE_3;