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|
SET client_min_messages=NOTICE;
CREATE EXTENSION multicorn;
CREATE server multicorn_srv foreign data wrapper multicorn options (
wrapper 'multicorn.testfdw.TestForeignDataWrapper'
);
CREATE user mapping for postgres server multicorn_srv options (usermapping 'test');
CREATE foreign table testmulticorn (
test1 character varying,
test2 character varying
) server multicorn_srv options (
option1 'option1',
test_type 'sequence'
);
-- Test "normal" usage
select * from testmulticorn;
NOTICE: [('option1', 'option1'), ('test_type', 'sequence'), ('usermapping', 'test')]
NOTICE: [('test1', 'character varying'), ('test2', 'character varying')]
NOTICE: []
NOTICE: ['test1', 'test2']
test1 | test2
------------+------------
test1 1 0 | test2 2 0
test1 3 1 | test2 1 1
test1 2 2 | test2 3 2
test1 1 3 | test2 2 3
test1 3 4 | test2 1 4
test1 2 5 | test2 3 5
test1 1 6 | test2 2 6
test1 3 7 | test2 1 7
test1 2 8 | test2 3 8
test1 1 9 | test2 2 9
test1 3 10 | test2 1 10
test1 2 11 | test2 3 11
test1 1 12 | test2 2 12
test1 3 13 | test2 1 13
test1 2 14 | test2 3 14
test1 1 15 | test2 2 15
test1 3 16 | test2 1 16
test1 2 17 | test2 3 17
test1 1 18 | test2 2 18
test1 3 19 | test2 1 19
(20 rows)
-- Test quals
select * from testmulticorn where test1 like '%0';
NOTICE: [test1 ~~ %0]
NOTICE: ['test1', 'test2']
test1 | test2
------------+------------
test1 1 0 | test2 2 0
test1 3 10 | test2 1 10
(2 rows)
select * from testmulticorn where test1 ilike '%0';
NOTICE: [test1 ~~* %0]
NOTICE: ['test1', 'test2']
test1 | test2
------------+------------
test1 1 0 | test2 2 0
test1 3 10 | test2 1 10
(2 rows)
-- Test columns
select test2 from testmulticorn;
NOTICE: []
NOTICE: ['test2']
test2
------------
test2 2 0
test2 1 1
test2 3 2
test2 2 3
test2 1 4
test2 3 5
test2 2 6
test2 1 7
test2 3 8
test2 2 9
test2 1 10
test2 3 11
test2 2 12
test2 1 13
test2 3 14
test2 2 15
test2 1 16
test2 3 17
test2 2 18
test2 1 19
(20 rows)
-- Test subquery plan
select test1, (select max(substr(test1, 9, 1))::int as max from testmulticorn t2 where substr(t2.test1, 7, 1)::int = substr(t1.test1, 7, 1)::int) as max
from testmulticorn t1 order by max desc;
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
NOTICE: []
NOTICE: ['test1']
test1 | max
------------+-----
test1 1 12 | 9
test1 1 15 | 9
test1 1 6 | 9
test1 1 18 | 9
test1 1 0 | 9
test1 1 3 | 9
test1 1 9 | 9
test1 2 14 | 8
test1 2 11 | 8
test1 2 8 | 8
test1 2 17 | 8
test1 2 5 | 8
test1 2 2 | 8
test1 3 19 | 7
test1 3 1 | 7
test1 3 4 | 7
test1 3 7 | 7
test1 3 10 | 7
test1 3 13 | 7
test1 3 16 | 7
(20 rows)
select test1, (select max(substr(test1, 9, 1))::int as max from testmulticorn t2 where t2.test1 = t1.test1) as max
from testmulticorn t1 order by max desc;
NOTICE: []
NOTICE: ['test1']
NOTICE: [test1 = test1 1 0]
NOTICE: ['test1']
NOTICE: [test1 = test1 3 1]
NOTICE: ['test1']
NOTICE: [test1 = test1 2 2]
NOTICE: ['test1']
NOTICE: [test1 = test1 1 3]
NOTICE: ['test1']
NOTICE: [test1 = test1 3 4]
NOTICE: ['test1']
NOTICE: [test1 = test1 2 5]
NOTICE: ['test1']
NOTICE: [test1 = test1 1 6]
NOTICE: ['test1']
NOTICE: [test1 = test1 3 7]
NOTICE: ['test1']
NOTICE: [test1 = test1 2 8]
NOTICE: ['test1']
NOTICE: [test1 = test1 1 9]
NOTICE: ['test1']
NOTICE: [test1 = test1 3 10]
NOTICE: ['test1']
NOTICE: [test1 = test1 2 11]
NOTICE: ['test1']
NOTICE: [test1 = test1 1 12]
NOTICE: ['test1']
NOTICE: [test1 = test1 3 13]
NOTICE: ['test1']
NOTICE: [test1 = test1 2 14]
NOTICE: ['test1']
NOTICE: [test1 = test1 1 15]
NOTICE: ['test1']
NOTICE: [test1 = test1 3 16]
NOTICE: ['test1']
NOTICE: [test1 = test1 2 17]
NOTICE: ['test1']
NOTICE: [test1 = test1 1 18]
NOTICE: ['test1']
NOTICE: [test1 = test1 3 19]
NOTICE: ['test1']
test1 | max
------------+-----
test1 1 9 | 9
test1 2 8 | 8
test1 3 7 | 7
test1 1 6 | 6
test1 2 5 | 5
test1 3 4 | 4
test1 1 3 | 3
test1 2 2 | 2
test1 3 16 | 1
test1 2 17 | 1
test1 1 18 | 1
test1 3 19 | 1
test1 3 1 | 1
test1 3 10 | 1
test1 2 11 | 1
test1 1 12 | 1
test1 3 13 | 1
test1 2 14 | 1
test1 1 15 | 1
test1 1 0 | 0
(20 rows)
select * from testmulticorn where test1 is null;
NOTICE: [test1 = None]
NOTICE: ['test1', 'test2']
test1 | test2
-------+-------
(0 rows)
select * from testmulticorn where test1 is not null;
NOTICE: [test1 <> None]
NOTICE: ['test1', 'test2']
test1 | test2
------------+------------
test1 1 0 | test2 2 0
test1 3 1 | test2 1 1
test1 2 2 | test2 3 2
test1 1 3 | test2 2 3
test1 3 4 | test2 1 4
test1 2 5 | test2 3 5
test1 1 6 | test2 2 6
test1 3 7 | test2 1 7
test1 2 8 | test2 3 8
test1 1 9 | test2 2 9
test1 3 10 | test2 1 10
test1 2 11 | test2 3 11
test1 1 12 | test2 2 12
test1 3 13 | test2 1 13
test1 2 14 | test2 3 14
test1 1 15 | test2 2 15
test1 3 16 | test2 1 16
test1 2 17 | test2 3 17
test1 1 18 | test2 2 18
test1 3 19 | test2 1 19
(20 rows)
select * from testmulticorn where 'grou' > test1;
NOTICE: [test1 < grou]
NOTICE: ['test1', 'test2']
test1 | test2
-------+-------
(0 rows)
select * from testmulticorn where test1 < ANY(ARRAY['grou', 'MACHIN']);
NOTICE: [test1 < ANY([u'grou', u'MACHIN'])]
NOTICE: ['test1', 'test2']
test1 | test2
-------+-------
(0 rows)
CREATE foreign table testmulticorn2 (
test1 character varying,
test2 character varying
) server multicorn_srv options (
option1 'option2'
);
select * from testmulticorn union all select * from testmulticorn2;
NOTICE: [('option1', 'option2'), ('usermapping', 'test')]
NOTICE: [('test1', 'character varying'), ('test2', 'character varying')]
NOTICE: []
NOTICE: ['test1', 'test2']
NOTICE: []
NOTICE: ['test1', 'test2']
test1 | test2
------------+------------
test1 1 0 | test2 2 0
test1 3 1 | test2 1 1
test1 2 2 | test2 3 2
test1 1 3 | test2 2 3
test1 3 4 | test2 1 4
test1 2 5 | test2 3 5
test1 1 6 | test2 2 6
test1 3 7 | test2 1 7
test1 2 8 | test2 3 8
test1 1 9 | test2 2 9
test1 3 10 | test2 1 10
test1 2 11 | test2 3 11
test1 1 12 | test2 2 12
test1 3 13 | test2 1 13
test1 2 14 | test2 3 14
test1 1 15 | test2 2 15
test1 3 16 | test2 1 16
test1 2 17 | test2 3 17
test1 1 18 | test2 2 18
test1 3 19 | test2 1 19
test1 1 0 | test2 2 0
test1 3 1 | test2 1 1
test1 2 2 | test2 3 2
test1 1 3 | test2 2 3
test1 3 4 | test2 1 4
test1 2 5 | test2 3 5
test1 1 6 | test2 2 6
test1 3 7 | test2 1 7
test1 2 8 | test2 3 8
test1 1 9 | test2 2 9
test1 3 10 | test2 1 10
test1 2 11 | test2 3 11
test1 1 12 | test2 2 12
test1 3 13 | test2 1 13
test1 2 14 | test2 3 14
test1 1 15 | test2 2 15
test1 3 16 | test2 1 16
test1 2 17 | test2 3 17
test1 1 18 | test2 2 18
test1 3 19 | test2 1 19
(40 rows)
DROP USER MAPPING FOR postgres SERVER multicorn_srv;
DROP EXTENSION multicorn cascade;
NOTICE: drop cascades to 3 other objects
DETAIL: drop cascades to server multicorn_srv
drop cascades to foreign table testmulticorn
drop cascades to foreign table testmulticorn2
|
