CREATE SCHEMA local_dist_join_modifications; SET search_path TO local_dist_join_modifications; CREATE TABLE postgres_table (key int, value text, value_2 jsonb); CREATE TABLE reference_table (key int, value text, value_2 jsonb); SELECT create_reference_table('reference_table'); create_reference_table --------------------------------------------------------------------- (1 row) CREATE TABLE distributed_table (key int, value text, value_2 jsonb); SELECT create_distributed_table('distributed_table', 'key'); create_distributed_table --------------------------------------------------------------------- (1 row) CREATE TABLE distributed_table_pkey (key int primary key, value text, value_2 jsonb); SELECT create_distributed_table('distributed_table_pkey', 'key'); create_distributed_table --------------------------------------------------------------------- (1 row) CREATE TABLE distributed_table_windex (key int primary key, value text, value_2 jsonb); SELECT create_distributed_table('distributed_table_windex', 'key'); create_distributed_table --------------------------------------------------------------------- (1 row) CREATE UNIQUE INDEX key_index ON distributed_table_windex (key); CREATE TABLE distributed_partitioned_table(key int, value text) PARTITION BY RANGE (key); CREATE TABLE distributed_partitioned_table_1 PARTITION OF distributed_partitioned_table FOR VALUES FROM (0) TO (50); CREATE TABLE distributed_partitioned_table_2 PARTITION OF distributed_partitioned_table FOR VALUES FROM (50) TO (200); SELECT create_distributed_table('distributed_partitioned_table', 'key'); create_distributed_table --------------------------------------------------------------------- (1 row) CREATE TABLE local_partitioned_table(key int, value text) PARTITION BY RANGE (key); CREATE TABLE local_partitioned_table_1 PARTITION OF local_partitioned_table FOR VALUES FROM (0) TO (50); CREATE TABLE local_partitioned_table_2 PARTITION OF local_partitioned_table FOR VALUES FROM (50) TO (200); CREATE TABLE distributed_table_composite (key int, value text, value_2 jsonb, primary key (key, value)); SELECT create_distributed_table('distributed_table_composite', 'key'); create_distributed_table --------------------------------------------------------------------- (1 row) CREATE MATERIALIZED VIEW mv1 AS SELECT * FROM postgres_table; CREATE MATERIALIZED VIEW mv2 AS SELECT * FROM distributed_table; -- set log messages to debug1 so that we can see which tables are recursively planned. SET client_min_messages TO DEBUG1; INSERT INTO postgres_table SELECT i, i::varchar(256) FROM generate_series(1, 100) i; INSERT INTO reference_table SELECT i, i::varchar(256) FROM generate_series(1, 100) i; DEBUG: distributed INSERT ... SELECT can only select from distributed tables DEBUG: Collecting INSERT ... SELECT results on coordinator INSERT INTO distributed_table_windex SELECT i, i::varchar(256) FROM generate_series(1, 100) i; DEBUG: distributed INSERT ... SELECT can only select from distributed tables DEBUG: Collecting INSERT ... SELECT results on coordinator INSERT INTO distributed_table SELECT i, i::varchar(256) FROM generate_series(1, 100) i; DEBUG: distributed INSERT ... SELECT can only select from distributed tables DEBUG: Collecting INSERT ... SELECT results on coordinator INSERT INTO distributed_table_pkey SELECT i, i::varchar(256) FROM generate_series(1, 100) i; DEBUG: distributed INSERT ... SELECT can only select from distributed tables DEBUG: Collecting INSERT ... SELECT results on coordinator INSERT INTO distributed_partitioned_table SELECT i, i::varchar(256) FROM generate_series(1, 100) i; DEBUG: distributed INSERT ... SELECT can only select from distributed tables DEBUG: Collecting INSERT ... SELECT results on coordinator INSERT INTO distributed_table_composite SELECT i, i::varchar(256) FROM generate_series(1, 100) i; DEBUG: distributed INSERT ... SELECT can only select from distributed tables DEBUG: Collecting INSERT ... SELECT results on coordinator INSERT INTO local_partitioned_table SELECT i, i::varchar(256) FROM generate_series(1, 100) i; SET citus.local_table_join_policy to 'auto'; -- we can support modification queries as well BEGIN; SELECT COUNT(DISTINCT value) FROM postgres_table; count --------------------------------------------------------------------- 100 (1 row) UPDATE postgres_table SET value = 'test' FROM distributed_table WHERE distributed_table.key = postgres_table.key; DEBUG: Wrapping relation "distributed_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.distributed_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.postgres_table SET value = 'test'::text FROM (SELECT distributed_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) distributed_table_1) distributed_table WHERE (distributed_table.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM postgres_table; count --------------------------------------------------------------------- 1 (1 row) ROLLBACK; BEGIN; SELECT COUNT(DISTINCT value) FROM distributed_table; count --------------------------------------------------------------------- 100 (1 row) UPDATE distributed_table SET value = 'test' FROM postgres_table WHERE distributed_table.key = postgres_table.key; DEBUG: Wrapping relation "postgres_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.distributed_table SET value = 'test'::text FROM (SELECT postgres_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) postgres_table_1) postgres_table WHERE (distributed_table.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM distributed_table; count --------------------------------------------------------------------- 1 (1 row) ROLLBACK; BEGIN; SELECT COUNT(DISTINCT value) FROM distributed_table_pkey; count --------------------------------------------------------------------- 100 (1 row) UPDATE distributed_table_pkey SET value = 'test' FROM postgres_table WHERE distributed_table_pkey.key = postgres_table.key; DEBUG: Wrapping relation "postgres_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.distributed_table_pkey SET value = 'test'::text FROM (SELECT postgres_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) postgres_table_1) postgres_table WHERE (distributed_table_pkey.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM distributed_table_pkey; count --------------------------------------------------------------------- 1 (1 row) ROLLBACK; BEGIN; SELECT COUNT(DISTINCT value) FROM distributed_table_windex; count --------------------------------------------------------------------- 100 (1 row) UPDATE distributed_table_windex SET value = 'test' FROM postgres_table WHERE distributed_table_windex.key = postgres_table.key; DEBUG: Wrapping relation "postgres_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.distributed_table_windex SET value = 'test'::text FROM (SELECT postgres_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) postgres_table_1) postgres_table WHERE (distributed_table_windex.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM distributed_table_windex; count --------------------------------------------------------------------- 1 (1 row) ROLLBACK; BEGIN; UPDATE mv1 SET value = 'test' FROM postgres_table WHERE mv1.key = postgres_table.key; ERROR: cannot change materialized view "mv1" ROLLBACK; BEGIN; UPDATE postgres_table SET value = 'test' FROM mv1 WHERE mv1.key = postgres_table.key; ROLLBACK; BEGIN; UPDATE postgres_table SET value = 'test' FROM mv2 WHERE mv2.key = postgres_table.key; ROLLBACK; -- in case of update/delete we always recursively plan -- the tables other than target table no matter what the policy is SET citus.local_table_join_policy TO 'prefer-local'; BEGIN; SELECT COUNT(DISTINCT value) FROM postgres_table; count --------------------------------------------------------------------- 100 (1 row) UPDATE postgres_table SET value = 'test' FROM distributed_table WHERE distributed_table.key = postgres_table.key; DEBUG: Wrapping relation "distributed_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.distributed_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.postgres_table SET value = 'test'::text FROM (SELECT distributed_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) distributed_table_1) distributed_table WHERE (distributed_table.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM postgres_table; count --------------------------------------------------------------------- 1 (1 row) ROLLBACK; BEGIN; SELECT COUNT(DISTINCT value) FROM distributed_table; count --------------------------------------------------------------------- 100 (1 row) UPDATE distributed_table SET value = 'test' FROM postgres_table WHERE distributed_table.key = postgres_table.key; DEBUG: Wrapping relation "postgres_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.distributed_table SET value = 'test'::text FROM (SELECT postgres_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) postgres_table_1) postgres_table WHERE (distributed_table.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM distributed_table; count --------------------------------------------------------------------- 1 (1 row) ROLLBACK; BEGIN; SELECT COUNT(DISTINCT value) FROM distributed_table_pkey; count --------------------------------------------------------------------- 100 (1 row) UPDATE distributed_table_pkey SET value = 'test' FROM postgres_table WHERE distributed_table_pkey.key = postgres_table.key; DEBUG: Wrapping relation "postgres_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.distributed_table_pkey SET value = 'test'::text FROM (SELECT postgres_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) postgres_table_1) postgres_table WHERE (distributed_table_pkey.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM distributed_table_pkey; count --------------------------------------------------------------------- 1 (1 row) ROLLBACK; BEGIN; SELECT COUNT(DISTINCT value) FROM distributed_table_windex; count --------------------------------------------------------------------- 100 (1 row) UPDATE distributed_table_windex SET value = 'test' FROM postgres_table WHERE distributed_table_windex.key = postgres_table.key; DEBUG: Wrapping relation "postgres_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.distributed_table_windex SET value = 'test'::text FROM (SELECT postgres_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) postgres_table_1) postgres_table WHERE (distributed_table_windex.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM distributed_table_windex; count --------------------------------------------------------------------- 1 (1 row) ROLLBACK; SET citus.local_table_join_policy TO 'prefer-distributed'; BEGIN; SELECT COUNT(DISTINCT value) FROM postgres_table; count --------------------------------------------------------------------- 100 (1 row) UPDATE postgres_table SET value = 'test' FROM distributed_table WHERE distributed_table.key = postgres_table.key; DEBUG: Wrapping relation "distributed_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.distributed_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.postgres_table SET value = 'test'::text FROM (SELECT distributed_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) distributed_table_1) distributed_table WHERE (distributed_table.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM postgres_table; count --------------------------------------------------------------------- 1 (1 row) ROLLBACK; BEGIN; SELECT COUNT(DISTINCT value) FROM distributed_table; count --------------------------------------------------------------------- 100 (1 row) UPDATE distributed_table SET value = 'test' FROM postgres_table WHERE distributed_table.key = postgres_table.key; DEBUG: Wrapping relation "postgres_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.distributed_table SET value = 'test'::text FROM (SELECT postgres_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) postgres_table_1) postgres_table WHERE (distributed_table.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM distributed_table; count --------------------------------------------------------------------- 1 (1 row) ROLLBACK; BEGIN; SELECT COUNT(DISTINCT value) FROM distributed_table_pkey; count --------------------------------------------------------------------- 100 (1 row) UPDATE distributed_table_pkey SET value = 'test' FROM postgres_table WHERE distributed_table_pkey.key = postgres_table.key; DEBUG: Wrapping relation "postgres_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.distributed_table_pkey SET value = 'test'::text FROM (SELECT postgres_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) postgres_table_1) postgres_table WHERE (distributed_table_pkey.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM distributed_table_pkey; count --------------------------------------------------------------------- 1 (1 row) ROLLBACK; BEGIN; SELECT COUNT(DISTINCT value) FROM distributed_table_windex; count --------------------------------------------------------------------- 100 (1 row) UPDATE distributed_table_windex SET value = 'test' FROM postgres_table WHERE distributed_table_windex.key = postgres_table.key; DEBUG: Wrapping relation "postgres_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.distributed_table_windex SET value = 'test'::text FROM (SELECT postgres_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) postgres_table_1) postgres_table WHERE (distributed_table_windex.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM distributed_table_windex; count --------------------------------------------------------------------- 1 (1 row) ROLLBACK; SET citus.local_table_join_policy TO 'auto'; -- modifications with multiple tables BEGIN; UPDATE distributed_table SET value = 'test' FROM postgres_table p1, postgres_table p2 WHERE distributed_table.key = p1.key AND p1.key = p2.key; DEBUG: Wrapping relation "postgres_table" "p1" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table p1 WHERE true DEBUG: Wrapping relation "postgres_table" "p2" to a subquery DEBUG: generating subplan XXX_2 for subquery SELECT key FROM local_dist_join_modifications.postgres_table p2 WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.distributed_table SET value = 'test'::text FROM (SELECT p1_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) p1_1) p1, (SELECT p2_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) p2_1) p2 WHERE ((distributed_table.key OPERATOR(pg_catalog.=) p1.key) AND (p1.key OPERATOR(pg_catalog.=) p2.key)) ROLLBACK; BEGIN; UPDATE postgres_table SET value = 'test' FROM (SELECT * FROM distributed_table) d1 WHERE d1.key = postgres_table.key; ERROR: relation postgres_table is not distributed ROLLBACK; BEGIN; UPDATE postgres_table SET value = 'test' FROM (SELECT * FROM distributed_table LIMIT 1) d1 WHERE d1.key = postgres_table.key; DEBUG: push down of limit count: 1 DEBUG: generating subplan XXX_1 for subquery SELECT key, value, value_2 FROM local_dist_join_modifications.distributed_table LIMIT 1 DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.postgres_table SET value = 'test'::text FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.value_2 FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, value_2 jsonb)) d1 WHERE (d1.key OPERATOR(pg_catalog.=) postgres_table.key) ROLLBACK; BEGIN; UPDATE distributed_table SET value = 'test' FROM postgres_table p1, distributed_table d2 WHERE distributed_table.key = p1.key AND p1.key = d2.key; DEBUG: Wrapping relation "postgres_table" "p1" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table p1 WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.distributed_table SET value = 'test'::text FROM (SELECT p1_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) p1_1) p1, local_dist_join_modifications.distributed_table d2 WHERE ((distributed_table.key OPERATOR(pg_catalog.=) p1.key) AND (p1.key OPERATOR(pg_catalog.=) d2.key)) ROLLBACK; -- pretty inefficient plan as it requires -- recursive planninng of 2 distributed tables BEGIN; UPDATE postgres_table SET value = 'test' FROM distributed_table d1, distributed_table d2 WHERE postgres_table.key = d1.key AND d1.key = d2.key; DEBUG: Wrapping relation "distributed_table" "d1" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.distributed_table d1 WHERE true DEBUG: Wrapping relation "distributed_table" "d2" to a subquery DEBUG: generating subplan XXX_2 for subquery SELECT key FROM local_dist_join_modifications.distributed_table d2 WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: UPDATE local_dist_join_modifications.postgres_table SET value = 'test'::text FROM (SELECT d1_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) d1_1) d1, (SELECT d2_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) d2_1) d2 WHERE ((postgres_table.key OPERATOR(pg_catalog.=) d1.key) AND (d1.key OPERATOR(pg_catalog.=) d2.key)) ROLLBACK; -- DELETE operations BEGIN; SELECT COUNT(DISTINCT value) FROM postgres_table; count --------------------------------------------------------------------- 100 (1 row) DELETE FROM postgres_table USING distributed_table WHERE distributed_table.key = postgres_table.key; DEBUG: Wrapping relation "distributed_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.distributed_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: DELETE FROM local_dist_join_modifications.postgres_table USING (SELECT distributed_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) distributed_table_1) distributed_table WHERE (distributed_table.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM postgres_table; count --------------------------------------------------------------------- 0 (1 row) ROLLBACK; BEGIN; SELECT COUNT(DISTINCT value) FROM distributed_table; count --------------------------------------------------------------------- 100 (1 row) DELETE FROM distributed_table USING postgres_table WHERE distributed_table.key = postgres_table.key; DEBUG: Wrapping relation "postgres_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: DELETE FROM local_dist_join_modifications.distributed_table USING (SELECT postgres_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) postgres_table_1) postgres_table WHERE (distributed_table.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM distributed_table; count --------------------------------------------------------------------- 0 (1 row) ROLLBACK; BEGIN; SELECT COUNT(DISTINCT value) FROM distributed_table_pkey; count --------------------------------------------------------------------- 100 (1 row) DELETE FROM distributed_table_pkey USING postgres_table WHERE distributed_table_pkey.key = postgres_table.key; DEBUG: Wrapping relation "postgres_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: DELETE FROM local_dist_join_modifications.distributed_table_pkey USING (SELECT postgres_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) postgres_table_1) postgres_table WHERE (distributed_table_pkey.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM distributed_table_pkey; count --------------------------------------------------------------------- 0 (1 row) ROLLBACK; BEGIN; SELECT COUNT(DISTINCT value) FROM distributed_table_windex; count --------------------------------------------------------------------- 100 (1 row) DELETE FROM distributed_table_windex USING postgres_table WHERE distributed_table_windex.key = postgres_table.key; DEBUG: Wrapping relation "postgres_table" to a subquery DEBUG: generating subplan XXX_1 for subquery SELECT key FROM local_dist_join_modifications.postgres_table WHERE true DEBUG: Plan XXX query after replacing subqueries and CTEs: DELETE FROM local_dist_join_modifications.distributed_table_windex USING (SELECT postgres_table_1.key, NULL::text AS value, NULL::jsonb AS value_2 FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) postgres_table_1) postgres_table WHERE (distributed_table_windex.key OPERATOR(pg_catalog.=) postgres_table.key) SELECT COUNT(DISTINCT value) FROM distributed_table_windex; count --------------------------------------------------------------------- 0 (1 row) ROLLBACK; DELETE FROM mv1 USING postgres_table WHERE mv1.key = postgres_table.key; ERROR: cannot change materialized view "mv1" DELETE FROM postgres_table USING mv1 WHERE mv1.key = postgres_table.key; DELETE FROM postgres_table USING mv2 WHERE mv2.key = postgres_table.key; SET client_min_messages to ERROR; DROP SCHEMA local_dist_join_modifications CASCADE;