mirror of https://github.com/citusdata/citus.git
103 lines
3.9 KiB
Plaintext
103 lines
3.9 KiB
Plaintext
CREATE SCHEMA "object prop";
|
|
SET search_path TO "object prop";
|
|
CREATE OR REPLACE FUNCTION citus_get_all_dependencies_for_object(classid oid, objid oid, objsubid int)
|
|
RETURNS SETOF RECORD
|
|
LANGUAGE C STRICT
|
|
AS 'citus', $$citus_get_all_dependencies_for_object$$;
|
|
COMMENT ON FUNCTION citus_get_all_dependencies_for_object(classid oid, objid oid, objsubid int)
|
|
IS 'emulate what Citus would qualify as dependency when adding a new node';
|
|
CREATE OR REPLACE FUNCTION citus_get_dependencies_for_object(classid oid, objid oid, objsubid int)
|
|
RETURNS SETOF RECORD
|
|
LANGUAGE C STRICT
|
|
AS 'citus', $$citus_get_dependencies_for_object$$;
|
|
COMMENT ON FUNCTION citus_get_dependencies_for_object(classid oid, objid oid, objsubid int)
|
|
IS 'emulate what Citus would qualify as dependency when creating the object';
|
|
create type t1 as (a int);
|
|
create table test(a int, b t1);
|
|
SELECT create_distributed_table('test', 'a');
|
|
create_distributed_table
|
|
---------------------------------------------------------------------
|
|
|
|
(1 row)
|
|
|
|
CREATE VIEW v1 AS SELECT * FROM test;
|
|
-- find all the dependencies of table test
|
|
SELECT
|
|
pg_identify_object(t.classid, t.objid, t.objsubid)
|
|
FROM
|
|
(SELECT * FROM pg_get_object_address('table', '{test}', '{}')) as addr
|
|
JOIN LATERAL
|
|
citus_get_all_dependencies_for_object(addr.classid, addr.objid, addr.objsubid) as t(classid oid, objid oid, objsubid int)
|
|
ON TRUE
|
|
ORDER BY 1;
|
|
pg_identify_object
|
|
---------------------------------------------------------------------
|
|
("composite type","""object prop""",t1,"""object prop"".t1")
|
|
(schema,,"""object prop""","""object prop""")
|
|
(type,"""object prop""",t1,"""object prop"".t1")
|
|
(3 rows)
|
|
|
|
-- find all the dependencies of view v1
|
|
SELECT
|
|
pg_identify_object(t.classid, t.objid, t.objsubid)
|
|
FROM
|
|
(SELECT * FROM pg_get_object_address('view', '{v1}', '{}')) as addr
|
|
JOIN LATERAL
|
|
citus_get_all_dependencies_for_object(addr.classid, addr.objid, addr.objsubid) as t(classid oid, objid oid, objsubid int)
|
|
ON TRUE
|
|
ORDER BY 1;
|
|
pg_identify_object
|
|
---------------------------------------------------------------------
|
|
("composite type","""object prop""",t1,"""object prop"".t1")
|
|
(schema,,"""object prop""","""object prop""")
|
|
(type,"""object prop""",t1,"""object prop"".t1")
|
|
(3 rows)
|
|
|
|
-- find all the dependencies of type t1
|
|
SELECT
|
|
pg_identify_object(t.classid, t.objid, t.objsubid)
|
|
FROM
|
|
(SELECT * FROM pg_get_object_address('type', '{t1}', '{}')) as addr
|
|
JOIN LATERAL
|
|
citus_get_all_dependencies_for_object(addr.classid, addr.objid, addr.objsubid) as t(classid oid, objid oid, objsubid int)
|
|
ON TRUE
|
|
ORDER BY 1;
|
|
pg_identify_object
|
|
---------------------------------------------------------------------
|
|
("composite type","""object prop""",t1,"""object prop"".t1")
|
|
(schema,,"""object prop""","""object prop""")
|
|
(2 rows)
|
|
|
|
-- find non-distributed dependencies of table test
|
|
SELECT
|
|
pg_identify_object(t.classid, t.objid, t.objsubid)
|
|
FROM
|
|
(SELECT * FROM pg_get_object_address('table', '{test}', '{}')) as addr
|
|
JOIN LATERAL
|
|
citus_get_dependencies_for_object(addr.classid, addr.objid, addr.objsubid) as t(classid oid, objid oid, objsubid int)
|
|
ON TRUE
|
|
ORDER BY 1;
|
|
pg_identify_object
|
|
---------------------------------------------------------------------
|
|
(0 rows)
|
|
|
|
-- find non-distributed dependencies of the local table test2
|
|
CREATE SCHEMA objectprop2;
|
|
create table objectprop2.test2(a int, b t1);
|
|
SET search_path TO objectprop2;
|
|
SELECT
|
|
pg_identify_object(t.classid, t.objid, t.objsubid)
|
|
FROM
|
|
(SELECT * FROM pg_get_object_address('table', '{test2}', '{}')) as addr
|
|
JOIN LATERAL
|
|
"object prop".citus_get_dependencies_for_object(addr.classid, addr.objid, addr.objsubid) as t(classid oid, objid oid, objsubid int)
|
|
ON TRUE
|
|
ORDER BY 1;
|
|
pg_identify_object
|
|
---------------------------------------------------------------------
|
|
(schema,,objectprop2,objectprop2)
|
|
(1 row)
|
|
|
|
SET client_min_messages TO ERROR;
|
|
DROP SCHEMA "object prop", objectprop2 CASCADE;
|