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|
\set MYSQL_HOST `echo \'"$MYSQL_HOST"\'`
\set MYSQL_PORT `echo \'"$MYSQL_PORT"\'`
\set MYSQL_USER_NAME `echo \'"$MYSQL_USER_NAME"\'`
\set MYSQL_PASS `echo \'"$MYSQL_PWD"\'`
-- Before running this file User must create database mysql_fdw_regress on
-- mysql with all permission for MYSQL_USER_NAME user with MYSQL_PWD password
-- and ran mysql_init.sh file to create tables.
\c contrib_regression
CREATE EXTENSION IF NOT EXISTS mysql_fdw;
CREATE SERVER mysql_svr FOREIGN DATA WRAPPER mysql_fdw
OPTIONS (host :MYSQL_HOST, port :MYSQL_PORT);
CREATE USER MAPPING FOR public SERVER mysql_svr
OPTIONS (username :MYSQL_USER_NAME, password :MYSQL_PASS);
-- Create foreign tables
CREATE FOREIGN TABLE f_test_tbl1 (c1 INTEGER, c2 VARCHAR(10), c3 CHAR(9), c4 BIGINT, c5 pg_catalog.Date, c6 DECIMAL, c7 INTEGER, c8 SMALLINT)
SERVER mysql_svr OPTIONS (dbname 'mysql_fdw_regress', table_name 'test_tbl1');
CREATE FOREIGN TABLE f_test_tbl2 (c1 INTEGER, c2 VARCHAR(14), c3 VARCHAR(13))
SERVER mysql_svr OPTIONS (dbname 'mysql_fdw_regress', table_name 'test_tbl2');
-- Insert data in mysql db using foreign tables
INSERT INTO f_test_tbl1 VALUES (100, 'EMP1', 'ADMIN', 1300, '1980-12-17', 800.23, NULL, 20);
INSERT INTO f_test_tbl1 VALUES (200, 'EMP2', 'SALESMAN', 600, '1981-02-20', 1600.00, 300, 30);
INSERT INTO f_test_tbl1 VALUES (300, 'EMP3', 'SALESMAN', 600, '1981-02-22', 1250, 500, 30);
INSERT INTO f_test_tbl1 VALUES (400, 'EMP4', 'MANAGER', 900, '1981-04-02', 2975.12, NULL, 20);
INSERT INTO f_test_tbl1 VALUES (500, 'EMP5', 'SALESMAN', 600, '1981-09-28', 1250, 1400, 30);
INSERT INTO f_test_tbl1 VALUES (600, 'EMP6', 'MANAGER', 900, '1981-05-01', 2850, NULL, 30);
INSERT INTO f_test_tbl1 VALUES (700, 'EMP7', 'MANAGER', 900, '1981-06-09', 2450.45, NULL, 10);
INSERT INTO f_test_tbl1 VALUES (800, 'EMP8', 'FINANCE', 400, '1987-04-19', 3000, NULL, 20);
INSERT INTO f_test_tbl1 VALUES (900, 'EMP9', 'HEAD', NULL, '1981-11-17', 5000, NULL, 10);
INSERT INTO f_test_tbl1 VALUES (1000, 'EMP10', 'SALESMAN', 600, '1980-09-08', 1500, 0, 30);
INSERT INTO f_test_tbl1 VALUES (1100, 'EMP11', 'ADMIN', 800, '1987-05-23', 1100, NULL, 20);
INSERT INTO f_test_tbl1 VALUES (1200, 'EMP12', 'ADMIN', 600, '1981-12-03', 950, NULL, 30);
INSERT INTO f_test_tbl1 VALUES (1300, 'EMP13', 'FINANCE', 400, '1981-12-03', 3000, NULL, 20);
INSERT INTO f_test_tbl1 VALUES (1400, 'EMP14', 'ADMIN', 700, '1982-01-23', 1300, NULL, 10);
INSERT INTO f_test_tbl2 VALUES(10, 'DEVELOPMENT', 'PUNE');
INSERT INTO f_test_tbl2 VALUES(20, 'ADMINISTRATION', 'BANGLORE');
INSERT INTO f_test_tbl2 VALUES(30, 'SALES', 'MUMBAI');
INSERT INTO f_test_tbl2 VALUES(40, 'HR', 'NAGPUR');
SET datestyle TO ISO;
-- WHERE clause pushdown
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT c1, c2, c6 AS "salary", c8 FROM f_test_tbl1 e
WHERE c6 IN (800,2450)
ORDER BY c1;
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_test_tbl1 e
Output: c1, c2, c6, c8
Remote query: SELECT `c1`, `c2`, `c6`, `c8` FROM `mysql_fdw_regress`.`test_tbl1` WHERE (`c6` IN ('800', '2450')) ORDER BY `c1` IS NULL, `c1` ASC
(3 rows)
SELECT c1, c2, c6 AS "salary", c8 FROM f_test_tbl1 e
WHERE c6 IN (800,2450)
ORDER BY c1;
c1 | c2 | salary | c8
----+----+--------+----
(0 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_test_tbl1 e
WHERE c6 > 3000
ORDER BY c1;
QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_test_tbl1 e
Output: c1, c2, c3, c4, c5, c6, c7, c8
Remote query: SELECT `c1`, `c2`, `c3`, `c4`, `c5`, `c6`, `c7`, `c8` FROM `mysql_fdw_regress`.`test_tbl1` WHERE ((`c6` > 3000)) ORDER BY `c1` IS NULL, `c1` ASC
(3 rows)
SELECT * FROM f_test_tbl1 e
WHERE c6 > 3000
ORDER BY c1;
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
-----+------+-----------+----+------------+------------+----+----
900 | EMP9 | HEAD | | 1981-11-17 | 5000.00000 | | 10
(1 row)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c6 = 1500
ORDER BY c1;
QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_test_tbl1 e
Output: c1, c2, c6, c8
Remote query: SELECT `c1`, `c2`, `c6`, `c8` FROM `mysql_fdw_regress`.`test_tbl1` WHERE ((`c6` = 1500)) ORDER BY `c1` IS NULL, `c1` ASC
(3 rows)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c6 = 1500
ORDER BY c1;
c1 | c2 | c6 | c8
------+-------+------------+----
1000 | EMP10 | 1500.00000 | 30
(1 row)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c6 BETWEEN 1000 AND 4000
ORDER BY c1;
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_test_tbl1 e
Output: c1, c2, c6, c8
Remote query: SELECT `c1`, `c2`, `c6`, `c8` FROM `mysql_fdw_regress`.`test_tbl1` WHERE ((`c6` >= 1000)) AND ((`c6` <= 4000)) ORDER BY `c1` IS NULL, `c1` ASC
(3 rows)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c6 BETWEEN 1000 AND 4000
ORDER BY c1;
c1 | c2 | c6 | c8
------+-------+------------+----
200 | EMP2 | 1600.00000 | 30
300 | EMP3 | 1250.00000 | 30
400 | EMP4 | 2975.12000 | 20
500 | EMP5 | 1250.00000 | 30
600 | EMP6 | 2850.00000 | 30
700 | EMP7 | 2450.45000 | 10
800 | EMP8 | 3000.00000 | 20
1000 | EMP10 | 1500.00000 | 30
1100 | EMP11 | 1100.00000 | 20
1300 | EMP13 | 3000.00000 | 20
1400 | EMP14 | 1300.00000 | 10
(11 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c2 IS NOT NULL
ORDER BY c1;
QUERY PLAN
-----------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_test_tbl1 e
Output: c1, c2, c6, c8
Remote query: SELECT `c1`, `c2`, `c6`, `c8` FROM `mysql_fdw_regress`.`test_tbl1` WHERE ((`c2` IS NOT NULL)) ORDER BY `c1` IS NULL, `c1` ASC
(3 rows)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c2 IS NOT NULL
ORDER BY c1;
c1 | c2 | c6 | c8
------+-------+------------+----
100 | EMP1 | 800.23000 | 20
200 | EMP2 | 1600.00000 | 30
300 | EMP3 | 1250.00000 | 30
400 | EMP4 | 2975.12000 | 20
500 | EMP5 | 1250.00000 | 30
600 | EMP6 | 2850.00000 | 30
700 | EMP7 | 2450.45000 | 10
800 | EMP8 | 3000.00000 | 20
900 | EMP9 | 5000.00000 | 10
1000 | EMP10 | 1500.00000 | 30
1100 | EMP11 | 1100.00000 | 20
1200 | EMP12 | 950.00000 | 30
1300 | EMP13 | 3000.00000 | 20
1400 | EMP14 | 1300.00000 | 10
(14 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_test_tbl1 e
WHERE c5 <= '1980-12-17'
ORDER BY c1;
QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_test_tbl1 e
Output: c1, c2, c3, c4, c5, c6, c7, c8
Remote query: SELECT `c1`, `c2`, `c3`, `c4`, `c5`, `c6`, `c7`, `c8` FROM `mysql_fdw_regress`.`test_tbl1` WHERE ((`c5` <= '1980-12-17')) ORDER BY `c1` IS NULL, `c1` ASC
(3 rows)
SELECT * FROM f_test_tbl1 e
WHERE c5 <= '1980-12-17'
ORDER BY c1;
c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
------+-------+-----------+------+------------+------------+----+----
100 | EMP1 | ADMIN | 1300 | 1980-12-17 | 800.23000 | | 20
1000 | EMP10 | SALESMAN | 600 | 1980-09-08 | 1500.00000 | 0 | 30
(2 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c2 IN ('EMP6', 'EMP12', 'EMP5')
ORDER BY c1;
QUERY PLAN
--------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_test_tbl1 e
Output: c1, c2, c6, c8
Remote query: SELECT `c1`, `c2`, `c6`, `c8` FROM `mysql_fdw_regress`.`test_tbl1` WHERE (`c2` IN ('EMP6', 'EMP12', 'EMP5')) ORDER BY `c1` IS NULL, `c1` ASC
(3 rows)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c2 IN ('EMP6', 'EMP12', 'EMP5')
ORDER BY c1;
c1 | c2 | c6 | c8
------+-------+------------+----
500 | EMP5 | 1250.00000 | 30
600 | EMP6 | 2850.00000 | 30
1200 | EMP12 | 950.00000 | 30
(3 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c2 IN ('EMP6', 'EMP12', 'EMP5')
ORDER BY c1;
QUERY PLAN
--------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_test_tbl1 e
Output: c1, c2, c6, c8
Remote query: SELECT `c1`, `c2`, `c6`, `c8` FROM `mysql_fdw_regress`.`test_tbl1` WHERE (`c2` IN ('EMP6', 'EMP12', 'EMP5')) ORDER BY `c1` IS NULL, `c1` ASC
(3 rows)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c2 IN ('EMP6', 'EMP12', 'EMP5')
ORDER BY c1;
c1 | c2 | c6 | c8
------+-------+------------+----
500 | EMP5 | 1250.00000 | 30
600 | EMP6 | 2850.00000 | 30
1200 | EMP12 | 950.00000 | 30
(3 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c3 LIKE 'SALESMAN'
ORDER BY c1;
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_test_tbl1 e
Output: c1, c2, c6, c8
Remote query: SELECT `c1`, `c2`, `c6`, `c8` FROM `mysql_fdw_regress`.`test_tbl1` WHERE ((`c3` LIKE BINARY 'SALESMAN')) ORDER BY `c1` IS NULL, `c1` ASC
(3 rows)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c3 LIKE 'SALESMAN'
ORDER BY c1;
c1 | c2 | c6 | c8
------+-------+------------+----
200 | EMP2 | 1600.00000 | 30
300 | EMP3 | 1250.00000 | 30
500 | EMP5 | 1250.00000 | 30
1000 | EMP10 | 1500.00000 | 30
(4 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c3 LIKE 'MANA%'
ORDER BY c1;
QUERY PLAN
-------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_test_tbl1 e
Output: c1, c2, c6, c8
Remote query: SELECT `c1`, `c2`, `c6`, `c8` FROM `mysql_fdw_regress`.`test_tbl1` WHERE ((`c3` LIKE BINARY 'MANA%')) ORDER BY `c1` IS NULL, `c1` ASC
(3 rows)
SELECT c1, c2, c6, c8 FROM f_test_tbl1 e
WHERE c3 LIKE 'MANA%'
ORDER BY c1;
c1 | c2 | c6 | c8
-----+------+------------+----
400 | EMP4 | 2975.12000 | 20
600 | EMP6 | 2850.00000 | 30
700 | EMP7 | 2450.45000 | 10
(3 rows)
-- FDW-516: IS [NOT] DISTINCT FROM clause should deparse correctly.
CREATE FOREIGN TABLE f_distinct_test (id int, c1 int, c2 int, c3 text, c4 text)
SERVER mysql_svr OPTIONS (dbname 'mysql_fdw_regress', table_name 'distinct_test');
INSERT INTO f_distinct_test VALUES
(1, 1, 1, 'abc', 'abc'),
(2, 2, NULL, 'abc', 'NULL'),
(3, NULL, NULL, 'NULL', 'NULL'),
(4, 3, 4, 'abc', 'pqr'),
(5, 4, 5, 'abc', 'abc'),
(6, 5, 5, 'abc', 'pqr');
SELECT * FROM f_distinct_test ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+------+------
1 | 1 | 1 | abc | abc
2 | 2 | | abc | NULL
3 | | | NULL | NULL
4 | 3 | 4 | abc | pqr
5 | 4 | 5 | abc | abc
6 | 5 | 5 | abc | pqr
(6 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_distinct_test WHERE (c1) IS DISTINCT FROM (c2)
ORDER BY id;
QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_distinct_test
Output: id, c1, c2, c3, c4
Remote query: SELECT `id`, `c1`, `c2`, `c3`, `c4` FROM `mysql_fdw_regress`.`distinct_test` WHERE ((NOT (`c1` <=> `c2`))) ORDER BY `id` IS NULL, `id` ASC
(3 rows)
SELECT * FROM f_distinct_test WHERE (c1) IS DISTINCT FROM (c2)
ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+-----+------
2 | 2 | | abc | NULL
4 | 3 | 4 | abc | pqr
5 | 4 | 5 | abc | abc
(3 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_distinct_test WHERE (c1) IS NOT DISTINCT FROM (c2)
ORDER BY id;
QUERY PLAN
--------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_distinct_test
Output: id, c1, c2, c3, c4
Remote query: SELECT `id`, `c1`, `c2`, `c3`, `c4` FROM `mysql_fdw_regress`.`distinct_test` WHERE (((`c1` <=> `c2`))) ORDER BY `id` IS NULL, `id` ASC
(3 rows)
SELECT * FROM f_distinct_test WHERE (c1) IS NOT DISTINCT FROM (c2)
ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+------+------
1 | 1 | 1 | abc | abc
3 | | | NULL | NULL
6 | 5 | 5 | abc | pqr
(3 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_distinct_test WHERE (c3) IS DISTINCT FROM (c4)
ORDER BY id;
QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_distinct_test
Output: id, c1, c2, c3, c4
Remote query: SELECT `id`, `c1`, `c2`, `c3`, `c4` FROM `mysql_fdw_regress`.`distinct_test` WHERE ((NOT (`c3` <=> `c4`))) ORDER BY `id` IS NULL, `id` ASC
(3 rows)
SELECT * FROM f_distinct_test WHERE (c3) IS DISTINCT FROM (c4)
ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+-----+------
2 | 2 | | abc | NULL
4 | 3 | 4 | abc | pqr
6 | 5 | 5 | abc | pqr
(3 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_distinct_test WHERE (c3) IS NOT DISTINCT FROM (c4)
ORDER BY id;
QUERY PLAN
--------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_distinct_test
Output: id, c1, c2, c3, c4
Remote query: SELECT `id`, `c1`, `c2`, `c3`, `c4` FROM `mysql_fdw_regress`.`distinct_test` WHERE (((`c3` <=> `c4`))) ORDER BY `id` IS NULL, `id` ASC
(3 rows)
SELECT * FROM f_distinct_test WHERE (c3) IS NOT DISTINCT FROM (c4)
ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+------+------
1 | 1 | 1 | abc | abc
3 | | | NULL | NULL
5 | 4 | 5 | abc | abc
(3 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_distinct_test
WHERE (c1) IS DISTINCT FROM (c2) and (c3) IS NOT DISTINCT FROM (c4)
ORDER BY id;
QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_distinct_test
Output: id, c1, c2, c3, c4
Remote query: SELECT `id`, `c1`, `c2`, `c3`, `c4` FROM `mysql_fdw_regress`.`distinct_test` WHERE ((NOT (`c1` <=> `c2`))) AND (((`c3` <=> `c4`))) ORDER BY `id` IS NULL, `id` ASC
(3 rows)
SELECT * FROM f_distinct_test
WHERE (c1) IS DISTINCT FROM (c2) and (c3) IS NOT DISTINCT FROM (c4)
ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+-----+-----
5 | 4 | 5 | abc | abc
(1 row)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_distinct_test
WHERE (c1) IS NOT DISTINCT FROM (c2) or (c3) IS DISTINCT FROM (c4)
ORDER BY id;
QUERY PLAN
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_distinct_test
Output: id, c1, c2, c3, c4
Remote query: SELECT `id`, `c1`, `c2`, `c3`, `c4` FROM `mysql_fdw_regress`.`distinct_test` WHERE ((((`c1` <=> `c2`)) OR (NOT (`c3` <=> `c4`)))) ORDER BY `id` IS NULL, `id` ASC
(3 rows)
SELECT * FROM f_distinct_test
WHERE (c1) IS NOT DISTINCT FROM (c2) or (c3) IS DISTINCT FROM (c4)
ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+------+------
1 | 1 | 1 | abc | abc
2 | 2 | | abc | NULL
3 | | | NULL | NULL
4 | 3 | 4 | abc | pqr
6 | 5 | 5 | abc | pqr
(5 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_distinct_test
WHERE ((c1) IS NOT DISTINCT FROM (c2)) IS DISTINCT FROM ((c3) IS NOT DISTINCT FROM (c4))
ORDER BY id;
QUERY PLAN
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_distinct_test
Output: id, c1, c2, c3, c4
Remote query: SELECT `id`, `c1`, `c2`, `c3`, `c4` FROM `mysql_fdw_regress`.`distinct_test` WHERE ((NOT (((`c1` <=> `c2`)) <=> ((`c3` <=> `c4`))))) ORDER BY `id` IS NULL, `id` ASC
(3 rows)
SELECT * FROM f_distinct_test
WHERE ((c1) IS NOT DISTINCT FROM (c2)) IS DISTINCT FROM ((c3) IS NOT DISTINCT FROM (c4))
ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+-----+-----
5 | 4 | 5 | abc | abc
6 | 5 | 5 | abc | pqr
(2 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_distinct_test
WHERE ((c1) IS DISTINCT FROM (c2)) IS NOT DISTINCT FROM ((c3) IS DISTINCT FROM (c4))
ORDER BY id;
QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_distinct_test
Output: id, c1, c2, c3, c4
Remote query: SELECT `id`, `c1`, `c2`, `c3`, `c4` FROM `mysql_fdw_regress`.`distinct_test` WHERE ((((NOT (`c1` <=> `c2`)) <=> (NOT (`c3` <=> `c4`))))) ORDER BY `id` IS NULL, `id` ASC
(3 rows)
SELECT * FROM f_distinct_test
WHERE ((c1) IS DISTINCT FROM (c2)) IS NOT DISTINCT FROM ((c3) IS DISTINCT FROM (c4))
ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+------+------
1 | 1 | 1 | abc | abc
2 | 2 | | abc | NULL
3 | | | NULL | NULL
4 | 3 | 4 | abc | pqr
(4 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_distinct_test
WHERE ((c1) IS NOT DISTINCT FROM (c2)) IS DISTINCT FROM ((c3) IS DISTINCT FROM (c4))
ORDER BY id;
QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_distinct_test
Output: id, c1, c2, c3, c4
Remote query: SELECT `id`, `c1`, `c2`, `c3`, `c4` FROM `mysql_fdw_regress`.`distinct_test` WHERE ((NOT (((`c1` <=> `c2`)) <=> (NOT (`c3` <=> `c4`))))) ORDER BY `id` IS NULL, `id` ASC
(3 rows)
SELECT * FROM f_distinct_test
WHERE ((c1) IS NOT DISTINCT FROM (c2)) IS DISTINCT FROM ((c3) IS DISTINCT FROM (c4))
ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+------+------
1 | 1 | 1 | abc | abc
2 | 2 | | abc | NULL
3 | | | NULL | NULL
4 | 3 | 4 | abc | pqr
(4 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_distinct_test
WHERE ((c1) IS DISTINCT FROM (c2)) IS NOT DISTINCT FROM ((c3) IS NOT DISTINCT FROM (c4))
ORDER BY id;
QUERY PLAN
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_distinct_test
Output: id, c1, c2, c3, c4
Remote query: SELECT `id`, `c1`, `c2`, `c3`, `c4` FROM `mysql_fdw_regress`.`distinct_test` WHERE ((((NOT (`c1` <=> `c2`)) <=> ((`c3` <=> `c4`))))) ORDER BY `id` IS NULL, `id` ASC
(3 rows)
SELECT * FROM f_distinct_test
WHERE ((c1) IS DISTINCT FROM (c2)) IS NOT DISTINCT FROM ((c3) IS NOT DISTINCT FROM (c4))
ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+-----+-----
5 | 4 | 5 | abc | abc
6 | 5 | 5 | abc | pqr
(2 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_distinct_test
WHERE ((c1) IS DISTINCT FROM (c2)) IS DISTINCT FROM ((c3) IS NOT DISTINCT FROM (c4))
ORDER BY id;
QUERY PLAN
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_distinct_test
Output: id, c1, c2, c3, c4
Remote query: SELECT `id`, `c1`, `c2`, `c3`, `c4` FROM `mysql_fdw_regress`.`distinct_test` WHERE ((NOT ((NOT (`c1` <=> `c2`)) <=> ((`c3` <=> `c4`))))) ORDER BY `id` IS NULL, `id` ASC
(3 rows)
SELECT * FROM f_distinct_test
WHERE ((c1) IS DISTINCT FROM (c2)) IS DISTINCT FROM ((c3) IS NOT DISTINCT FROM (c4))
ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+------+------
1 | 1 | 1 | abc | abc
2 | 2 | | abc | NULL
3 | | | NULL | NULL
4 | 3 | 4 | abc | pqr
(4 rows)
EXPLAIN (VERBOSE, COSTS FALSE)
SELECT * FROM f_distinct_test
WHERE ((c1) IS NOT DISTINCT FROM (c2)) IS NOT DISTINCT FROM ((c3) IS DISTINCT FROM (c4))
ORDER BY id;
QUERY PLAN
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan on public.f_distinct_test
Output: id, c1, c2, c3, c4
Remote query: SELECT `id`, `c1`, `c2`, `c3`, `c4` FROM `mysql_fdw_regress`.`distinct_test` WHERE (((((`c1` <=> `c2`)) <=> (NOT (`c3` <=> `c4`))))) ORDER BY `id` IS NULL, `id` ASC
(3 rows)
SELECT * FROM f_distinct_test
WHERE ((c1) IS NOT DISTINCT FROM (c2)) IS NOT DISTINCT FROM ((c3) IS DISTINCT FROM (c4))
ORDER BY id;
id | c1 | c2 | c3 | c4
----+----+----+-----+-----
5 | 4 | 5 | abc | abc
6 | 5 | 5 | abc | pqr
(2 rows)
-- FDW-562: Test ORDER BY with user defined operators.
-- Create the operator family required for the test.
CREATE OPERATOR PUBLIC.<^ (
LEFTARG = INT4,
RIGHTARG = INT4,
PROCEDURE = INT4EQ
);
CREATE OPERATOR PUBLIC.=^ (
LEFTARG = INT4,
RIGHTARG = INT4,
PROCEDURE = INT4LT
);
CREATE OPERATOR PUBLIC.>^ (
LEFTARG = INT4,
RIGHTARG = INT4,
PROCEDURE = INT4GT
);
CREATE OPERATOR FAMILY my_op_family USING btree;
CREATE FUNCTION MY_OP_CMP(A INT, B INT) RETURNS INT AS
$$ BEGIN RETURN BTINT4CMP(A, B); END $$ LANGUAGE PLPGSQL;
CREATE OPERATOR CLASS my_op_class FOR TYPE INT USING btree FAMILY my_op_family AS
OPERATOR 1 PUBLIC.<^,
OPERATOR 3 PUBLIC.=^,
OPERATOR 5 PUBLIC.>^,
FUNCTION 1 my_op_cmp(INT, INT);
-- FDW-562: Test ORDER BY with user defined operators.
-- User defined operators are not pushed down.
EXPLAIN (COSTS FALSE, VERBOSE)
SELECT * FROM f_test_tbl1 ORDER BY c1 USING OPERATOR(public.<^);
QUERY PLAN
------------------------------------------------------------------------------------------------------------------
Sort
Output: c1, c2, c3, c4, c5, c6, c7, c8
Sort Key: f_test_tbl1.c1 USING <^
-> Foreign Scan on public.f_test_tbl1
Output: c1, c2, c3, c4, c5, c6, c7, c8
Remote query: SELECT `c1`, `c2`, `c3`, `c4`, `c5`, `c6`, `c7`, `c8` FROM `mysql_fdw_regress`.`test_tbl1`
(6 rows)
EXPLAIN (COSTS FALSE, VERBOSE)
SELECT MIN(c1) FROM f_test_tbl1 GROUP BY c4 ORDER BY 1 USING OPERATOR(public.<^);
QUERY PLAN
----------------------------------------------------------------------------------------------
Sort
Output: (min(c1)), c4
Sort Key: (min(f_test_tbl1.c1)) USING <^
-> Foreign Scan
Output: (min(c1)), c4
Relations: Aggregate on (mysql_fdw_regress.f_test_tbl1)
Remote query: SELECT min(`c1`), `c4` FROM `mysql_fdw_regress`.`test_tbl1` GROUP BY 2
(7 rows)
-- Cleanup
DELETE FROM f_test_tbl1;
DELETE FROM f_test_tbl2;
DELETE FROM f_distinct_test;
DROP OPERATOR CLASS my_op_class USING btree;
DROP FUNCTION my_op_cmp(a INT, b INT);
DROP OPERATOR FAMILY my_op_family USING btree;
DROP OPERATOR public.>^(INT, INT);
DROP OPERATOR public.=^(INT, INT);
DROP OPERATOR public.<^(INT, INT);
DROP FOREIGN TABLE f_test_tbl1;
DROP FOREIGN TABLE f_test_tbl2;
DROP FOREIGN TABLE f_distinct_test;
DROP USER MAPPING FOR public SERVER mysql_svr;
DROP SERVER mysql_svr;
DROP EXTENSION mysql_fdw;
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