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Even if some partitions are foreign, allow tuple routing.

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This doesn't allow routing tuple to the foreign partitions themselves,
but it permits tuples to be routed to regular partitions despite the
presence of foreign partitions in the same inheritance hierarchy.

Etsuro Fujita, reviewed by Amit Langote and by me.

Discussion: http://postgr.es/m/bc3db4c1-1693-3b8a-559f-33ad2b50b7ad@lab.ntt.co.jp
This commit is contained in:
Robert Haas
2017-09-07 10:55:45 -04:00
parent 6eb52da394
commit 9d71323dac
5 changed files with 120 additions and 11 deletions
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81
contrib/file_fdw/output/file_fdw.source
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@ -289,6 +289,87 @@ SELECT tableoid::regclass, * FROM agg FOR UPDATE;
ALTER FOREIGN TABLE agg_csv NO INHERIT agg;
DROP TABLE agg;
-- declarative partitioning tests
SET ROLE regress_file_fdw_superuser;
CREATE TABLE pt (a int, b text) partition by list (a);
CREATE FOREIGN TABLE p1 partition of pt for values in (1) SERVER file_server
OPTIONS (format 'csv', filename '@abs_srcdir@/data/list1.csv', delimiter ',');
CREATE TABLE p2 partition of pt for values in (2);
SELECT tableoid::regclass, * FROM pt;
tableoid | a | b
----------+---+-----
p1 | 1 | foo
p1 | 1 | bar
(2 rows)
SELECT tableoid::regclass, * FROM p1;
tableoid | a | b
----------+---+-----
p1 | 1 | foo
p1 | 1 | bar
(2 rows)
SELECT tableoid::regclass, * FROM p2;
tableoid | a | b
----------+---+---
(0 rows)
COPY pt FROM '@abs_srcdir@/data/list2.bad' with (format 'csv', delimiter ','); -- ERROR
ERROR: cannot route inserted tuples to a foreign table
CONTEXT: COPY pt, line 2: "1,qux"
COPY pt FROM '@abs_srcdir@/data/list2.csv' with (format 'csv', delimiter ',');
SELECT tableoid::regclass, * FROM pt;
tableoid | a | b
----------+---+-----
p1 | 1 | foo
p1 | 1 | bar
p2 | 2 | baz
p2 | 2 | qux
(4 rows)
SELECT tableoid::regclass, * FROM p1;
tableoid | a | b
----------+---+-----
p1 | 1 | foo
p1 | 1 | bar
(2 rows)
SELECT tableoid::regclass, * FROM p2;
tableoid | a | b
----------+---+-----
p2 | 2 | baz
p2 | 2 | qux
(2 rows)
INSERT INTO pt VALUES (1, 'xyzzy'); -- ERROR
ERROR: cannot route inserted tuples to a foreign table
INSERT INTO pt VALUES (2, 'xyzzy');
SELECT tableoid::regclass, * FROM pt;
tableoid | a | b
----------+---+-------
p1 | 1 | foo
p1 | 1 | bar
p2 | 2 | baz
p2 | 2 | qux
p2 | 2 | xyzzy
(5 rows)
SELECT tableoid::regclass, * FROM p1;
tableoid | a | b
----------+---+-----
p1 | 1 | foo
p1 | 1 | bar
(2 rows)
SELECT tableoid::regclass, * FROM p2;
tableoid | a | b
----------+---+-------
p2 | 2 | baz
p2 | 2 | qux
p2 | 2 | xyzzy
(3 rows)
DROP TABLE pt;
-- privilege tests
SET ROLE regress_file_fdw_superuser;
SELECT * FROM agg_text ORDER BY a;