CREATE SCHEMA "blocking shard Move Fkeys Indexes";
SET search_path TO "blocking shard Move Fkeys Indexes";
SET citus.next_shard_id TO 8970000;
SET citus.next_placement_id TO 8770000;
SET citus.shard_count TO 4;
SET citus.shard_replication_factor TO 1;
-- create a non-superuser role
CREATE ROLE mx_rebalancer_blocking_role_ent WITH LOGIN;
GRANT ALL ON SCHEMA "blocking shard Move Fkeys Indexes" TO mx_rebalancer_blocking_role_ent;
-- connect with this new role
\c - mx_rebalancer_blocking_role_ent - :master_port
SET search_path TO "blocking shard Move Fkeys Indexes";
SET citus.next_shard_id TO 8970000;
SET citus.next_placement_id TO 8770000;
SET citus.shard_count TO 4;
SET citus.shard_replication_factor TO 1;
CREATE TABLE sensors(
measureid         integer,
eventdatetime     date,
measure_data      jsonb,
PRIMARY KEY (measureid, eventdatetime, measure_data))
PARTITION BY RANGE(eventdatetime);
CREATE TABLE sensors_old PARTITION OF sensors FOR VALUES FROM ('2000-01-01') TO ('2020-01-01');
CREATE TABLE sensors_2020_01_01 PARTITION OF sensors FOR VALUES FROM ('2020-01-01') TO ('2020-02-01');
CREATE TABLE sensors_news PARTITION OF sensors FOR VALUES FROM ('2020-05-01') TO ('2025-01-01');
CREATE INDEX index_on_parent ON sensors(lower(measureid::text));
CREATE INDEX index_on_child ON sensors_2020_01_01(lower(measure_data::text));
CREATE INDEX hash_index ON sensors USING HASH((measure_data->'IsFailed'));
CREATE INDEX index_with_include ON sensors ((measure_data->'IsFailed')) INCLUDE (measure_data, eventdatetime);
CREATE STATISTICS s1 (dependencies) ON measureid, eventdatetime FROM sensors;
CREATE STATISTICS s2 (dependencies) ON measureid, eventdatetime FROM sensors_2020_01_01;
ALTER INDEX index_on_parent ALTER COLUMN 1 SET STATISTICS 1000;
ALTER INDEX index_on_child ALTER COLUMN 1 SET STATISTICS 1000;
CLUSTER sensors_2020_01_01 USING index_on_child;
SELECT create_distributed_table('sensors', 'measureid', colocate_with:='none');
 create_distributed_table
---------------------------------------------------------------------

(1 row)

-- due to https://github.com/citusdata/citus/issues/5121
\c - postgres - :master_port
SET search_path TO "blocking shard Move Fkeys Indexes";
SELECT update_distributed_table_colocation('sensors_old', 'sensors');
 update_distributed_table_colocation
---------------------------------------------------------------------

(1 row)

SELECT update_distributed_table_colocation('sensors_2020_01_01', 'sensors');
 update_distributed_table_colocation
---------------------------------------------------------------------

(1 row)

SELECT update_distributed_table_colocation('sensors_news', 'sensors');
 update_distributed_table_colocation
---------------------------------------------------------------------

(1 row)

\c - mx_rebalancer_blocking_role_ent - :master_port
SET search_path TO "blocking shard Move Fkeys Indexes";
SET citus.shard_count TO 4;
SET citus.shard_replication_factor TO 1;
SET citus.next_shard_id TO 8970016;
SET citus.next_placement_id TO 8770016;
-- create a colocated distributed tables and create foreign keys FROM/TO
-- the partitions
CREATE TABLE colocated_dist_table (measureid integer PRIMARY KEY);
SELECT create_distributed_table('colocated_dist_table', 'measureid', colocate_with:='sensors');
 create_distributed_table
---------------------------------------------------------------------

(1 row)

CLUSTER colocated_dist_table USING colocated_dist_table_pkey;
CREATE TABLE colocated_partitioned_table(
	measureid         integer,
	eventdatetime     date,
	PRIMARY KEY (measureid, eventdatetime))
PARTITION BY RANGE(eventdatetime);
CREATE TABLE colocated_partitioned_table_2020_01_01 PARTITION OF colocated_partitioned_table FOR VALUES FROM ('2020-01-01') TO ('2020-02-01');
SELECT create_distributed_table('colocated_partitioned_table', 'measureid', colocate_with:='sensors');
 create_distributed_table
---------------------------------------------------------------------

(1 row)

CLUSTER colocated_partitioned_table_2020_01_01 USING colocated_partitioned_table_2020_01_01_pkey;
CREATE TABLE reference_table (measureid integer PRIMARY KEY);
SELECT create_reference_table('reference_table');
 create_reference_table
---------------------------------------------------------------------

(1 row)

-- this table is used to make sure that index backed
-- replica identites can have clustered indexes
-- and no index statistics
CREATE TABLE index_backed_rep_identity(key int NOT NULL);
CREATE UNIQUE INDEX uqx ON index_backed_rep_identity(key);
ALTER TABLE index_backed_rep_identity REPLICA IDENTITY USING INDEX uqx;
CLUSTER index_backed_rep_identity USING uqx;
SELECT create_distributed_table('index_backed_rep_identity', 'key', colocate_with:='sensors');
 create_distributed_table
---------------------------------------------------------------------

(1 row)

-- from parent to regular dist
ALTER TABLE sensors ADD CONSTRAINT fkey_from_parent_to_dist FOREIGN KEY (measureid) REFERENCES colocated_dist_table(measureid);
-- from parent to parent
ALTER TABLE sensors ADD CONSTRAINT fkey_from_parent_to_parent FOREIGN KEY (measureid, eventdatetime) REFERENCES colocated_partitioned_table(measureid, eventdatetime);
-- from parent to child
ALTER TABLE sensors ADD CONSTRAINT fkey_from_parent_to_child FOREIGN KEY (measureid, eventdatetime) REFERENCES colocated_partitioned_table_2020_01_01(measureid, eventdatetime);
-- from parent to reference table
ALTER TABLE sensors ADD CONSTRAINT fkey_from_parent_to_ref FOREIGN KEY (measureid) REFERENCES reference_table(measureid);
-- from child to regular dist
ALTER TABLE sensors_2020_01_01 ADD CONSTRAINT fkey_from_child_to_dist FOREIGN KEY (measureid) REFERENCES colocated_dist_table(measureid);
-- from child to parent
ALTER TABLE sensors_2020_01_01 ADD CONSTRAINT fkey_from_child_to_parent FOREIGN KEY (measureid,eventdatetime) REFERENCES colocated_partitioned_table(measureid,eventdatetime);
-- from child to child
ALTER TABLE sensors_2020_01_01 ADD CONSTRAINT fkey_from_child_to_child FOREIGN KEY (measureid,eventdatetime) REFERENCES colocated_partitioned_table_2020_01_01(measureid,eventdatetime);
-- from child to reference table
ALTER TABLE sensors_2020_01_01 ADD CONSTRAINT fkey_from_child_to_ref FOREIGN KEY (measureid) REFERENCES reference_table(measureid);
-- load some data
INSERT INTO reference_table SELECT i FROM generate_series(0,1000)i;
INSERT INTO colocated_dist_table SELECT i FROM generate_series(0,1000)i;
INSERT INTO colocated_partitioned_table SELECT i, '2020-01-05' FROM generate_series(0,1000)i;
INSERT INTO sensors SELECT i, '2020-01-05', '{}' FROM generate_series(0,1000)i;
\c - postgres - :worker_1_port
SET search_path TO "blocking shard Move Fkeys Indexes", public, pg_catalog;
-- show the current state of the constraints
SELECT "Constraint", "Definition" FROM table_fkeys WHERE relid='sensors_8970000'::regclass ORDER BY 1,2;
                  Constraint                  |                                                         Definition
---------------------------------------------------------------------
 fkey_from_parent_to_child_8970000            | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_2020_01_01_8970024(eventdatetime, measureid)
 fkey_from_parent_to_dist_8970000             | FOREIGN KEY (measureid) REFERENCES colocated_dist_table_8970016(measureid)
 fkey_from_parent_to_parent_8970000           | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_8970020(eventdatetime, measureid)
 fkey_from_parent_to_ref_8970000              | FOREIGN KEY (measureid) REFERENCES reference_table_8970028(measureid)
 sensors_8970000_measureid_eventdatetime_fkey | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_2020_01_01_8970024(eventdatetime, measureid)
(5 rows)

SELECT "Constraint", "Definition" FROM table_fkeys WHERE relid='sensors_2020_01_01_8970008'::regclass ORDER BY 1,2;
                       Constraint                        |                                                         Definition
---------------------------------------------------------------------
 fkey_from_child_to_child_8970008                        | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_2020_01_01_8970024(eventdatetime, measureid)
 fkey_from_child_to_dist_8970008                         | FOREIGN KEY (measureid) REFERENCES colocated_dist_table_8970016(measureid)
 fkey_from_child_to_parent_8970008                       | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_8970020(eventdatetime, measureid)
 fkey_from_child_to_ref_8970008                          | FOREIGN KEY (measureid) REFERENCES reference_table_8970028(measureid)
 fkey_from_parent_to_child_8970000                       | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_2020_01_01_8970024(eventdatetime, measureid)
 fkey_from_parent_to_dist_8970000                        | FOREIGN KEY (measureid) REFERENCES colocated_dist_table_8970016(measureid)
 fkey_from_parent_to_parent_8970000                      | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_8970020(eventdatetime, measureid)
 fkey_from_parent_to_ref_8970000                         | FOREIGN KEY (measureid) REFERENCES reference_table_8970028(measureid)
 sensors_2020_01_01_8970008_measureid_eventdatetime_fkey | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_2020_01_01_8970024(eventdatetime, measureid)
(9 rows)

SELECT tablename, indexdef FROM pg_indexes WHERE tablename ='sensors_8970000' ORDER BY 1,2;
    tablename    |                                                                                           indexdef
---------------------------------------------------------------------
 sensors_8970000 | CREATE INDEX hash_index_8970000 ON ONLY "blocking shard Move Fkeys Indexes".sensors_8970000 USING hash (((measure_data -> 'IsFailed'::text)))
 sensors_8970000 | CREATE INDEX index_on_parent_8970000 ON ONLY "blocking shard Move Fkeys Indexes".sensors_8970000 USING btree (lower((measureid)::text))
 sensors_8970000 | CREATE INDEX index_with_include_8970000 ON ONLY "blocking shard Move Fkeys Indexes".sensors_8970000 USING btree (((measure_data -> 'IsFailed'::text))) INCLUDE (measure_data, eventdatetime)
 sensors_8970000 | CREATE UNIQUE INDEX sensors_pkey_8970000 ON ONLY "blocking shard Move Fkeys Indexes".sensors_8970000 USING btree (measureid, eventdatetime, measure_data)
(4 rows)

SELECT tablename, indexdef FROM pg_indexes WHERE tablename ='sensors_2020_01_01_8970008' ORDER BY 1,2;
         tablename          |                                                                                                                indexdef
---------------------------------------------------------------------
 sensors_2020_01_01_8970008 | CREATE INDEX index_on_child_8970008 ON "blocking shard Move Fkeys Indexes".sensors_2020_01_01_8970008 USING btree (lower((measure_data)::text))
 sensors_2020_01_01_8970008 | CREATE INDEX sensors_2020_01_01_expr_idx_8970008 ON "blocking shard Move Fkeys Indexes".sensors_2020_01_01_8970008 USING hash (((measure_data -> 'IsFailed'::text)))
 sensors_2020_01_01_8970008 | CREATE INDEX sensors_2020_01_01_expr_measure_data_eventdatetime_idx_8970008 ON "blocking shard Move Fkeys Indexes".sensors_2020_01_01_8970008 USING btree (((measure_data -> 'IsFailed'::text))) INCLUDE (measure_data, eventdatetime)
 sensors_2020_01_01_8970008 | CREATE INDEX sensors_2020_01_01_lower_idx_8970008 ON "blocking shard Move Fkeys Indexes".sensors_2020_01_01_8970008 USING btree (lower((measureid)::text))
 sensors_2020_01_01_8970008 | CREATE UNIQUE INDEX sensors_2020_01_01_pkey_8970008 ON "blocking shard Move Fkeys Indexes".sensors_2020_01_01_8970008 USING btree (measureid, eventdatetime, measure_data)
(5 rows)

SELECT tablename, indexdef FROM pg_indexes WHERE tablename ='index_backed_rep_identity_8970029' ORDER BY 1,2;
             tablename             |                                                          indexdef
---------------------------------------------------------------------
 index_backed_rep_identity_8970029 | CREATE UNIQUE INDEX uqx_8970029 ON "blocking shard Move Fkeys Indexes".index_backed_rep_identity_8970029 USING btree (key)
(1 row)

SELECT indisclustered FROM pg_index where indisclustered AND indrelid = 'index_backed_rep_identity_8970029'::regclass;
 indisclustered
---------------------------------------------------------------------
 t
(1 row)

SELECT stxname FROM pg_statistic_ext
WHERE stxnamespace IN (
	SELECT oid
	FROM pg_namespace
	WHERE nspname IN ('blocking shard Move Fkeys Indexes')
)
ORDER BY stxname ASC;
  stxname
---------------------------------------------------------------------
 s1
 s1_8970000
 s1_8970002
 s2
 s2_8970008
 s2_8970010
(6 rows)

SELECT count(*) FROM pg_index
WHERE indisclustered
	and
indrelid IN
('sensors_2020_01_01_8970008'::regclass, 'colocated_dist_table_8970016'::regclass, 'colocated_partitioned_table_2020_01_01_8970024'::regclass);
 count
---------------------------------------------------------------------
     3
(1 row)

\c - - - :master_port
-- make sure that constrainst are moved sanely with logical replication
SELECT citus_move_shard_placement(8970000, 'localhost', :worker_1_port, 'localhost', :worker_2_port, shard_transfer_mode:='block_writes');
 citus_move_shard_placement
---------------------------------------------------------------------

(1 row)

CALL citus_cleanup_orphaned_shards();
NOTICE:  cleaned up 8 orphaned shards
\c - postgres - :worker_2_port
SET search_path TO "blocking shard Move Fkeys Indexes", public, pg_catalog;
SELECT "Constraint", "Definition" FROM table_fkeys WHERE relid='sensors_8970000'::regclass ORDER BY 1,2;
                  Constraint                  |                                                         Definition
---------------------------------------------------------------------
 fkey_from_parent_to_child_8970000            | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_2020_01_01_8970024(eventdatetime, measureid)
 fkey_from_parent_to_dist_8970000             | FOREIGN KEY (measureid) REFERENCES colocated_dist_table_8970016(measureid)
 fkey_from_parent_to_parent_8970000           | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_8970020(eventdatetime, measureid)
 fkey_from_parent_to_ref_8970000              | FOREIGN KEY (measureid) REFERENCES reference_table_8970028(measureid)
 sensors_8970000_measureid_eventdatetime_fkey | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_2020_01_01_8970024(eventdatetime, measureid)
(5 rows)

SELECT "Constraint", "Definition" FROM table_fkeys WHERE relid='sensors_2020_01_01_8970008'::regclass ORDER BY 1,2;
                       Constraint                        |                                                         Definition
---------------------------------------------------------------------
 fkey_from_child_to_child_8970008                        | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_2020_01_01_8970024(eventdatetime, measureid)
 fkey_from_child_to_dist_8970008                         | FOREIGN KEY (measureid) REFERENCES colocated_dist_table_8970016(measureid)
 fkey_from_child_to_parent_8970008                       | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_8970020(eventdatetime, measureid)
 fkey_from_child_to_ref_8970008                          | FOREIGN KEY (measureid) REFERENCES reference_table_8970028(measureid)
 fkey_from_parent_to_child_8970000                       | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_2020_01_01_8970024(eventdatetime, measureid)
 fkey_from_parent_to_dist_8970000                        | FOREIGN KEY (measureid) REFERENCES colocated_dist_table_8970016(measureid)
 fkey_from_parent_to_parent_8970000                      | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_8970020(eventdatetime, measureid)
 fkey_from_parent_to_ref_8970000                         | FOREIGN KEY (measureid) REFERENCES reference_table_8970028(measureid)
 sensors_2020_01_01_8970008_measureid_eventdatetime_fkey | FOREIGN KEY (eventdatetime, measureid) REFERENCES colocated_partitioned_table_2020_01_01_8970024(eventdatetime, measureid)
(9 rows)

SELECT tablename, indexdef FROM pg_indexes WHERE tablename ='sensors_8970000' ORDER BY 1,2;
    tablename    |                                                                                           indexdef
---------------------------------------------------------------------
 sensors_8970000 | CREATE INDEX hash_index_8970000 ON ONLY "blocking shard Move Fkeys Indexes".sensors_8970000 USING hash (((measure_data -> 'IsFailed'::text)))
 sensors_8970000 | CREATE INDEX index_on_parent_8970000 ON ONLY "blocking shard Move Fkeys Indexes".sensors_8970000 USING btree (lower((measureid)::text))
 sensors_8970000 | CREATE INDEX index_with_include_8970000 ON ONLY "blocking shard Move Fkeys Indexes".sensors_8970000 USING btree (((measure_data -> 'IsFailed'::text))) INCLUDE (measure_data, eventdatetime)
 sensors_8970000 | CREATE UNIQUE INDEX sensors_pkey_8970000 ON ONLY "blocking shard Move Fkeys Indexes".sensors_8970000 USING btree (measureid, eventdatetime, measure_data)
(4 rows)

SELECT tablename, indexdef FROM pg_indexes WHERE tablename ='sensors_2020_01_01_8970008' ORDER BY 1,2;
         tablename          |                                                                                                                indexdef
---------------------------------------------------------------------
 sensors_2020_01_01_8970008 | CREATE INDEX index_on_child_8970008 ON "blocking shard Move Fkeys Indexes".sensors_2020_01_01_8970008 USING btree (lower((measure_data)::text))
 sensors_2020_01_01_8970008 | CREATE INDEX sensors_2020_01_01_expr_idx_8970008 ON "blocking shard Move Fkeys Indexes".sensors_2020_01_01_8970008 USING hash (((measure_data -> 'IsFailed'::text)))
 sensors_2020_01_01_8970008 | CREATE INDEX sensors_2020_01_01_expr_measure_data_eventdatetime_idx_8970008 ON "blocking shard Move Fkeys Indexes".sensors_2020_01_01_8970008 USING btree (((measure_data -> 'IsFailed'::text))) INCLUDE (measure_data, eventdatetime)
 sensors_2020_01_01_8970008 | CREATE INDEX sensors_2020_01_01_lower_idx_8970008 ON "blocking shard Move Fkeys Indexes".sensors_2020_01_01_8970008 USING btree (lower((measureid)::text))
 sensors_2020_01_01_8970008 | CREATE UNIQUE INDEX sensors_2020_01_01_pkey_8970008 ON "blocking shard Move Fkeys Indexes".sensors_2020_01_01_8970008 USING btree (measureid, eventdatetime, measure_data)
(5 rows)

SELECT tablename, indexdef FROM pg_indexes WHERE tablename ='index_backed_rep_identity_8970029' ORDER BY 1,2;
             tablename             |                                                          indexdef
---------------------------------------------------------------------
 index_backed_rep_identity_8970029 | CREATE UNIQUE INDEX uqx_8970029 ON "blocking shard Move Fkeys Indexes".index_backed_rep_identity_8970029 USING btree (key)
(1 row)

SELECT indisclustered FROM pg_index where indisclustered AND indrelid = 'index_backed_rep_identity_8970029'::regclass;
 indisclustered
---------------------------------------------------------------------
 t
(1 row)

SELECT stxname FROM pg_statistic_ext
WHERE stxnamespace IN (
	SELECT oid
	FROM pg_namespace
	WHERE nspname IN ('blocking shard Move Fkeys Indexes')
)
ORDER BY stxname ASC;
  stxname
---------------------------------------------------------------------
 s1
 s1_8970000
 s1_8970001
 s1_8970003
 s2
 s2_8970008
 s2_8970009
 s2_8970011
(8 rows)

SELECT count(*) FROM pg_index
WHERE indisclustered
	and
indrelid IN
('sensors_2020_01_01_8970008'::regclass, 'colocated_dist_table_8970016'::regclass, 'colocated_partitioned_table_2020_01_01_8970024'::regclass);
 count
---------------------------------------------------------------------
     3
(1 row)

\c - mx_rebalancer_blocking_role_ent - :master_port
-- verify that the data is consistent
SET search_path TO "blocking shard Move Fkeys Indexes";
SELECT count(*) FROM reference_table;
 count
---------------------------------------------------------------------
  1001
(1 row)

SELECT count(*) FROM colocated_partitioned_table;
 count
---------------------------------------------------------------------
  1001
(1 row)

SELECT count(*) FROM colocated_dist_table;
 count
---------------------------------------------------------------------
  1001
(1 row)

SELECT count(*) FROM sensors;
 count
---------------------------------------------------------------------
  1001
(1 row)

-- we should be able to change/drop constraints
ALTER INDEX index_on_parent RENAME TO index_on_parent_renamed;
ALTER INDEX index_on_child RENAME TO index_on_child_renamed;
ALTER INDEX index_on_parent_renamed ALTER COLUMN 1 SET STATISTICS 200;
ALTER INDEX index_on_child_renamed ALTER COLUMN 1 SET STATISTICS 200;
DROP STATISTICS s1,s2;
DROP INDEX index_on_parent_renamed;
DROP INDEX index_on_child_renamed;
ALTER TABLE sensors DROP CONSTRAINT fkey_from_parent_to_dist;
ALTER TABLE sensors DROP CONSTRAINT fkey_from_parent_to_parent;
ALTER TABLE sensors DROP CONSTRAINT fkey_from_parent_to_child;
ALTER TABLE sensors_2020_01_01 DROP CONSTRAINT fkey_from_child_to_dist;
ALTER TABLE sensors_2020_01_01 DROP CONSTRAINT fkey_from_child_to_parent;
ALTER TABLE sensors_2020_01_01 DROP CONSTRAINT fkey_from_child_to_child;
-- cleanup
\c - postgres - :master_port
DROP SCHEMA "blocking shard Move Fkeys Indexes" CASCADE;
NOTICE:  drop cascades to 5 other objects
DETAIL:  drop cascades to table "blocking shard Move Fkeys Indexes".sensors
drop cascades to table "blocking shard Move Fkeys Indexes".colocated_dist_table
drop cascades to table "blocking shard Move Fkeys Indexes".colocated_partitioned_table
drop cascades to table "blocking shard Move Fkeys Indexes".reference_table
drop cascades to table "blocking shard Move Fkeys Indexes".index_backed_rep_identity