mirror of https://github.com/citusdata/citus.git
369 lines
26 KiB
Plaintext
369 lines
26 KiB
Plaintext
CREATE SCHEMA recursive_set_local;
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SET search_path TO recursive_set_local, public;
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SET citus.enable_repartition_joins to ON;
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CREATE TABLE recursive_set_local.test (x int, y int);
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SELECT create_distributed_table('test', 'x');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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CREATE TABLE recursive_set_local.ref (a int, b int);
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SELECT create_reference_table('ref');
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create_reference_table
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---------------------------------------------------------------------
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(1 row)
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CREATE TABLE recursive_set_local.local_test (x int, y int);
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INSERT INTO test VALUES (1,1), (2,2);
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INSERT INTO ref VALUES (2,2), (3,3);
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INSERT INTO local_test VALUES (3,3), (4,4);
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SET client_min_messages TO DEBUG;
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-- we should be able to run set operations with local tables
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(SELECT x FROM test) INTERSECT (SELECT x FROM local_test) ORDER BY 1 DESC;
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: generating subplan XXX_1 for subquery SELECT x FROM recursive_set_local.local_test
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_2 for subquery SELECT x FROM recursive_set_local.test
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT intermediate_result.x FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer) INTERSECT SELECT intermediate_result.x FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer) ORDER BY 1 DESC
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DEBUG: Creating router plan
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x
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---------------------------------------------------------------------
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(0 rows)
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-- we should be able to run set operations with generate series
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(SELECT x FROM test) INTERSECT (SELECT i FROM generate_series(0, 100) i) ORDER BY 1 DESC;
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_1 for subquery SELECT x FROM recursive_set_local.test
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT intermediate_result.x FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer) INTERSECT SELECT i.i FROM generate_series(0, 100) i(i) ORDER BY 1 DESC
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DEBUG: Creating router plan
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x
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---------------------------------------------------------------------
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2
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1
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(2 rows)
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-- we'd first recursively plan the query with "test", thus don't need to recursively
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-- plan other query
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(SELECT x FROM test LIMIT 5) INTERSECT (SELECT i FROM generate_series(0, 100) i) ORDER BY 1 DESC;
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: push down of limit count: 5
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DEBUG: generating subplan XXX_1 for subquery SELECT x FROM recursive_set_local.test LIMIT 5
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT intermediate_result.x FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer) INTERSECT SELECT i.i FROM generate_series(0, 100) i(i) ORDER BY 1 DESC
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DEBUG: Creating router plan
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x
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---------------------------------------------------------------------
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2
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1
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(2 rows)
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-- this doesn't require any recursive planning
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(SELECT a FROM ref) INTERSECT (SELECT i FROM generate_series(0, 100) i) ORDER BY 1 DESC;
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DEBUG: Creating router plan
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a
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---------------------------------------------------------------------
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3
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2
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(2 rows)
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-- same query with a failure on the worker (i.e., division by zero)
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(SELECT x FROM test) INTERSECT (SELECT i/0 FROM generate_series(0, 100) i) ORDER BY 1 DESC;
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_1 for subquery SELECT x FROM recursive_set_local.test
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT intermediate_result.x FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer) INTERSECT SELECT (i.i OPERATOR(pg_catalog./) 0) FROM generate_series(0, 100) i(i) ORDER BY 1 DESC
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DEBUG: Creating router plan
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ERROR: division by zero
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-- we should be able to run set operations with generate series and local tables as well
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((SELECT x FROM local_test) UNION ALL (SELECT x FROM test)) INTERSECT (SELECT i FROM generate_series(0, 100) i) ORDER BY 1 DESC;
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: generating subplan XXX_1 for subquery SELECT x FROM recursive_set_local.local_test
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_2 for subquery SELECT x FROM recursive_set_local.test
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DEBUG: Plan XXX query after replacing subqueries and CTEs: (SELECT intermediate_result.x FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer) UNION ALL SELECT intermediate_result.x FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer)) INTERSECT SELECT i.i FROM generate_series(0, 100) i(i) ORDER BY 1 DESC
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DEBUG: Creating router plan
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x
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---------------------------------------------------------------------
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4
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3
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2
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1
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(4 rows)
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-- two local tables are on different leaf queries, so safe to plan & execute
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((SELECT x FROM local_test) UNION ALL (SELECT x FROM test)) INTERSECT (SELECT x FROM local_test) ORDER BY 1 DESC;
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: generating subplan XXX_1 for subquery SELECT x FROM recursive_set_local.local_test
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DEBUG: generating subplan XXX_2 for subquery SELECT x FROM recursive_set_local.local_test
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_3 for subquery SELECT x FROM recursive_set_local.test
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DEBUG: Plan XXX query after replacing subqueries and CTEs: (SELECT intermediate_result.x FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer) UNION ALL SELECT intermediate_result.x FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(x integer)) INTERSECT SELECT intermediate_result.x FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer) ORDER BY 1 DESC
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DEBUG: Creating router plan
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x
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---------------------------------------------------------------------
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4
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3
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(2 rows)
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-- use ctes inside unions along with local tables on the top level
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WITH
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cte_1 AS (SELECT user_id FROM users_table),
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cte_2 AS (SELECT user_id FROM events_table)
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((SELECT * FROM cte_1) UNION (SELECT * FROM cte_2) UNION (SELECT x FROM local_test)) INTERSECT (SELECT i FROM generate_series(0, 100) i)
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ORDER BY 1 DESC;
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DEBUG: CTE cte_1 is going to be inlined via distributed planning
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DEBUG: CTE cte_2 is going to be inlined via distributed planning
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: generating subplan XXX_1 for subquery SELECT x FROM recursive_set_local.local_test
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_2 for subquery SELECT user_id FROM (SELECT users_table.user_id FROM public.users_table) cte_1
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_3 for subquery SELECT user_id FROM (SELECT events_table.user_id FROM public.events_table) cte_2
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DEBUG: Plan XXX query after replacing subqueries and CTEs: (SELECT intermediate_result.user_id FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(user_id integer) UNION SELECT intermediate_result.user_id FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(user_id integer) UNION SELECT intermediate_result.x FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer)) INTERSECT SELECT i.i FROM generate_series(0, 100) i(i) ORDER BY 1 DESC
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DEBUG: Creating router plan
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user_id
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---------------------------------------------------------------------
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6
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5
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4
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3
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2
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1
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(6 rows)
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-- CTEs inside subqueries unioned with local table
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-- final query is real-time
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SELECT
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count(*)
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FROM
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(
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((WITH cte_1 AS (SELECT x FROM test) SELECT * FROM cte_1) UNION
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(WITH cte_1 AS (SELECT a FROM ref) SELECT * FROM cte_1)) INTERSECT
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(SELECT x FROM local_test)
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) as foo,
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test
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WHERE test.y = foo.x;
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DEBUG: CTE cte_1 is going to be inlined via distributed planning
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DEBUG: CTE cte_1 is going to be inlined via distributed planning
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: generating subplan XXX_1 for subquery SELECT x FROM recursive_set_local.local_test
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_2 for subquery SELECT x FROM (SELECT test.x FROM recursive_set_local.test) cte_1
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DEBUG: Creating router plan
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DEBUG: generating subplan XXX_3 for subquery (SELECT intermediate_result.x FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer) UNION SELECT cte_1.a FROM (SELECT ref.a FROM recursive_set_local.ref) cte_1) INTERSECT SELECT intermediate_result.x FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer)
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT count(*) AS count FROM (SELECT intermediate_result.x FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(x integer)) foo, recursive_set_local.test WHERE (test.y OPERATOR(pg_catalog.=) foo.x)
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DEBUG: Router planner cannot handle multi-shard select queries
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count
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---------------------------------------------------------------------
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0
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(1 row)
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-- CTEs inside subqueries unioned with local table
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-- final query is router
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SELECT
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count(*)
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FROM
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(
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((WITH cte_1 AS (SELECT x FROM test) SELECT * FROM cte_1) UNION
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(WITH cte_1 AS (SELECT a FROM ref) SELECT * FROM cte_1)) INTERSECT
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(SELECT x FROM local_test)
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) as foo,
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ref
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WHERE ref.a = foo.x;
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DEBUG: CTE cte_1 is going to be inlined via distributed planning
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DEBUG: CTE cte_1 is going to be inlined via distributed planning
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: generating subplan XXX_1 for subquery SELECT x FROM recursive_set_local.local_test
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_2 for subquery SELECT x FROM (SELECT test.x FROM recursive_set_local.test) cte_1
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DEBUG: Creating router plan
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DEBUG: generating subplan XXX_3 for subquery (SELECT intermediate_result.x FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer) UNION SELECT cte_1.a FROM (SELECT ref.a FROM recursive_set_local.ref) cte_1) INTERSECT SELECT intermediate_result.x FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer)
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT count(*) AS count FROM (SELECT intermediate_result.x FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(x integer)) foo, recursive_set_local.ref WHERE (ref.a OPERATOR(pg_catalog.=) foo.x)
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DEBUG: Creating router plan
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count
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---------------------------------------------------------------------
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1
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(1 row)
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-- subquery union in WHERE clause without parition column equality is recursively planned including the local tables
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SELECT * FROM test a WHERE x IN (SELECT x FROM test b UNION SELECT y FROM test c UNION SELECT y FROM local_test d) ORDER BY 1,2;
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: generating subplan XXX_1 for subquery SELECT y FROM recursive_set_local.local_test d
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_2 for subquery SELECT x FROM recursive_set_local.test b
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_3 for subquery SELECT y FROM recursive_set_local.test c
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DEBUG: Creating router plan
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DEBUG: generating subplan XXX_4 for subquery SELECT intermediate_result.x FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer) UNION SELECT intermediate_result.y FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(y integer) UNION SELECT intermediate_result.y FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(y integer)
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT x, y FROM recursive_set_local.test a WHERE (x OPERATOR(pg_catalog.=) ANY (SELECT intermediate_result.x FROM read_intermediate_result('XXX_4'::text, 'binary'::citus_copy_format) intermediate_result(x integer))) ORDER BY x, y
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DEBUG: Router planner cannot handle multi-shard select queries
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x | y
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---------------------------------------------------------------------
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1 | 1
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2 | 2
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(2 rows)
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-- same query with subquery in where is wrapped in CTE
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SELECT * FROM test a WHERE x IN (WITH cte AS (SELECT x FROM test b UNION SELECT y FROM test c UNION SELECT y FROM local_test d) SELECT * FROM cte) ORDER BY 1,2;
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DEBUG: CTE cte is going to be inlined via distributed planning
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: generating subplan XXX_1 for subquery SELECT y FROM recursive_set_local.local_test d
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_2 for subquery SELECT x FROM recursive_set_local.test b
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_3 for subquery SELECT y FROM recursive_set_local.test c
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DEBUG: Creating router plan
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DEBUG: generating subplan XXX_4 for subquery SELECT intermediate_result.x FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer) UNION SELECT intermediate_result.y FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(y integer) UNION SELECT intermediate_result.y FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(y integer)
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT x, y FROM recursive_set_local.test a WHERE (x OPERATOR(pg_catalog.=) ANY (SELECT cte.x FROM (SELECT intermediate_result.x FROM read_intermediate_result('XXX_4'::text, 'binary'::citus_copy_format) intermediate_result(x integer)) cte)) ORDER BY x, y
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DEBUG: Router planner cannot handle multi-shard select queries
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x | y
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---------------------------------------------------------------------
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1 | 1
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2 | 2
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(2 rows)
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-- supported since final step only has local table and intermediate result
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SELECT * FROM ((SELECT * FROM test) EXCEPT (SELECT * FROM test ORDER BY x LIMIT 1)) u JOIN local_test USING (x) ORDER BY 1,2;
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: push down of limit count: 1
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DEBUG: generating subplan XXX_1 for subquery SELECT x, y FROM recursive_set_local.test ORDER BY x LIMIT 1
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_2 for subquery SELECT x, y FROM recursive_set_local.test
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DEBUG: Creating router plan
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DEBUG: generating subplan XXX_3 for subquery SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer) EXCEPT SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer)
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT u.x, u.y, local_test.y FROM ((SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer)) u JOIN recursive_set_local.local_test USING (x)) ORDER BY u.x, u.y
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DEBUG: Creating router plan
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x | y | y
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---------------------------------------------------------------------
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(0 rows)
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-- though we replace some queries including the local query, the intermediate result is on the outer part of an outer join
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SELECT * FROM ((SELECT * FROM local_test) INTERSECT (SELECT * FROM test ORDER BY x LIMIT 1)) u LEFT JOIN test USING (x) ORDER BY 1,2;
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: generating subplan XXX_1 for subquery SELECT x, y FROM recursive_set_local.local_test
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: push down of limit count: 1
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DEBUG: generating subplan XXX_2 for subquery SELECT x, y FROM recursive_set_local.test ORDER BY x LIMIT 1
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DEBUG: Creating router plan
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DEBUG: generating subplan XXX_3 for subquery SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer) INTERSECT SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer)
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DEBUG: recursively planning right side of the left join since the outer side is a recurring rel
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DEBUG: recursively planning distributed relation "test" since it is part of a distributed join node that is outer joined with a recurring rel
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DEBUG: Wrapping relation "test" to a subquery
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_4 for subquery SELECT x, y FROM recursive_set_local.test WHERE true
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT u.x, u.y, test.y FROM ((SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer)) u LEFT JOIN (SELECT test_1.x, test_1.y FROM (SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_4'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer)) test_1) test USING (x)) ORDER BY u.x, u.y
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DEBUG: Creating router plan
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x | y | y
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---------------------------------------------------------------------
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(0 rows)
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-- we replace some queries including the local query, the intermediate result is on the inner part of an outer join
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SELECT * FROM ((SELECT * FROM local_test) INTERSECT (SELECT * FROM test ORDER BY x LIMIT 1)) u RIGHT JOIN test USING (x) ORDER BY 1,2;
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: generating subplan XXX_1 for subquery SELECT x, y FROM recursive_set_local.local_test
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: push down of limit count: 1
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DEBUG: generating subplan XXX_2 for subquery SELECT x, y FROM recursive_set_local.test ORDER BY x LIMIT 1
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DEBUG: Creating router plan
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DEBUG: generating subplan XXX_3 for subquery SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer) INTERSECT SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer)
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT test.x, u.y, test.y FROM ((SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer)) u RIGHT JOIN recursive_set_local.test USING (x)) ORDER BY test.x, u.y
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DEBUG: Router planner cannot handle multi-shard select queries
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x | y | y
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---------------------------------------------------------------------
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1 | | 1
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2 | | 2
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(2 rows)
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-- recurively plan left part of the join, and run a final real-time query
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SELECT * FROM ((SELECT * FROM local_test) INTERSECT (SELECT * FROM test ORDER BY x LIMIT 1)) u INNER JOIN test USING (x) ORDER BY 1,2;
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: generating subplan XXX_1 for subquery SELECT x, y FROM recursive_set_local.local_test
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: push down of limit count: 1
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DEBUG: generating subplan XXX_2 for subquery SELECT x, y FROM recursive_set_local.test ORDER BY x LIMIT 1
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DEBUG: Creating router plan
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DEBUG: generating subplan XXX_3 for subquery SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer) INTERSECT SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer)
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT u.x, u.y, test.y FROM ((SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer)) u JOIN recursive_set_local.test USING (x)) ORDER BY u.x, u.y
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DEBUG: Router planner cannot handle multi-shard select queries
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x | y | y
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---------------------------------------------------------------------
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(0 rows)
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-- set operations and the sublink can be recursively planned
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SELECT * FROM ((SELECT x FROM test) UNION (SELECT x FROM (SELECT x FROM local_test) as foo WHERE x IN (SELECT x FROM test))) u ORDER BY 1;
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: generating subplan XXX_1 for subquery SELECT x FROM recursive_set_local.local_test
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_2 for subquery SELECT x FROM recursive_set_local.test
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DEBUG: Creating router plan
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DEBUG: generating subplan XXX_3 for subquery SELECT x FROM (SELECT intermediate_result.x FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer)) foo WHERE (x OPERATOR(pg_catalog.=) ANY (SELECT intermediate_result.x FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer)))
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DEBUG: Router planner cannot handle multi-shard select queries
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DEBUG: generating subplan XXX_4 for subquery SELECT x FROM recursive_set_local.test
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DEBUG: Creating router plan
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DEBUG: generating subplan XXX_5 for subquery SELECT intermediate_result.x FROM read_intermediate_result('XXX_4'::text, 'binary'::citus_copy_format) intermediate_result(x integer) UNION SELECT intermediate_result.x FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(x integer)
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DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT x FROM (SELECT intermediate_result.x FROM read_intermediate_result('XXX_5'::text, 'binary'::citus_copy_format) intermediate_result(x integer)) u ORDER BY x
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DEBUG: Creating router plan
|
|
x
|
|
---------------------------------------------------------------------
|
|
1
|
|
2
|
|
(2 rows)
|
|
|
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-- repartition is recursively planned before the set operation
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(SELECT x FROM test) INTERSECT (SELECT t1.x FROM test as t1, test as t2 WHERE t1.x = t2.y LIMIT 2) INTERSECT (((SELECT x FROM local_test) UNION ALL (SELECT x FROM test)) INTERSECT (SELECT i FROM generate_series(0, 100) i)) ORDER BY 1 DESC;
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DEBUG: Local tables cannot be used in distributed queries.
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DEBUG: Router planner cannot handle multi-shard select queries
|
|
DEBUG: push down of limit count: 2
|
|
DEBUG: join prunable for task partitionId 0 and 1
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DEBUG: join prunable for task partitionId 0 and 2
|
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DEBUG: join prunable for task partitionId 0 and 3
|
|
DEBUG: join prunable for task partitionId 1 and 0
|
|
DEBUG: join prunable for task partitionId 1 and 2
|
|
DEBUG: join prunable for task partitionId 1 and 3
|
|
DEBUG: join prunable for task partitionId 2 and 0
|
|
DEBUG: join prunable for task partitionId 2 and 1
|
|
DEBUG: join prunable for task partitionId 2 and 3
|
|
DEBUG: join prunable for task partitionId 3 and 0
|
|
DEBUG: join prunable for task partitionId 3 and 1
|
|
DEBUG: join prunable for task partitionId 3 and 2
|
|
DEBUG: pruning merge fetch taskId 1
|
|
DETAIL: Creating dependency on merge taskId 5
|
|
DEBUG: pruning merge fetch taskId 2
|
|
DETAIL: Creating dependency on merge taskId 5
|
|
DEBUG: pruning merge fetch taskId 4
|
|
DETAIL: Creating dependency on merge taskId 10
|
|
DEBUG: pruning merge fetch taskId 5
|
|
DETAIL: Creating dependency on merge taskId 10
|
|
DEBUG: pruning merge fetch taskId 7
|
|
DETAIL: Creating dependency on merge taskId 15
|
|
DEBUG: pruning merge fetch taskId 8
|
|
DETAIL: Creating dependency on merge taskId 15
|
|
DEBUG: pruning merge fetch taskId 10
|
|
DETAIL: Creating dependency on merge taskId 20
|
|
DEBUG: pruning merge fetch taskId 11
|
|
DETAIL: Creating dependency on merge taskId 20
|
|
DEBUG: generating subplan XXX_1 for subquery SELECT t1.x FROM recursive_set_local.test t1, recursive_set_local.test t2 WHERE (t1.x OPERATOR(pg_catalog.=) t2.y) LIMIT 2
|
|
DEBUG: generating subplan XXX_2 for subquery SELECT x FROM recursive_set_local.local_test
|
|
DEBUG: Router planner cannot handle multi-shard select queries
|
|
DEBUG: generating subplan XXX_3 for subquery SELECT x FROM recursive_set_local.test
|
|
DEBUG: Router planner cannot handle multi-shard select queries
|
|
DEBUG: generating subplan XXX_4 for subquery SELECT x FROM recursive_set_local.test
|
|
DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT intermediate_result.x FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(x integer) INTERSECT SELECT intermediate_result.x FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer) INTERSECT ((SELECT intermediate_result.x FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(x integer) UNION ALL SELECT intermediate_result.x FROM read_intermediate_result('XXX_4'::text, 'binary'::citus_copy_format) intermediate_result(x integer)) INTERSECT SELECT i.i FROM generate_series(0, 100) i(i)) ORDER BY 1 DESC
|
|
DEBUG: Creating router plan
|
|
x
|
|
---------------------------------------------------------------------
|
|
2
|
|
1
|
|
(2 rows)
|
|
|
|
RESET client_min_messages;
|
|
DROP SCHEMA recursive_set_local CASCADE;
|
|
NOTICE: drop cascades to 3 other objects
|
|
DETAIL: drop cascades to table test
|
|
drop cascades to table ref
|
|
drop cascades to table local_test
|