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feat(tianmu): The Tianmu engine supports user defined function (#538) #929

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Nov 14, 2022
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feat(tianmu): The Tianmu engine supports user defined function (#538) #929

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240 changes: 240 additions & 0 deletions mysql-test/suite/tianmu/r/issue538.result
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Original file line number Diff line number Diff line change
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#
# issue 538 test for user defined function of tianmu
#
use test;
DROP TABLE IF EXISTS employees;
CREATE TABLE `employees` (
`employee_id` int(11) NOT NULL ,
`employee_name` varchar(50) NOT NULL,
`employee_sex` varchar(10) DEFAULT 'men',
`hire_date` datetime DEFAULT NULL,
`employee_mgr` int(11) DEFAULT NULL,
`employee_salary` float DEFAULT '3000',
`department_id` int(11) DEFAULT NULL
) ENGINE=TIANMU DEFAULT CHARSET=utf8mb4;
DROP FUNCTION IF EXISTS get_desc;
DROP FUNCTION IF EXISTS get_salary;
CREATE FUNCTION get_desc(id INT) RETURNS VARCHAR(300)
RETURN (SELECT CONCAT('employee name:',employee_name,'---','salary: ',employee_salary) FROM employees WHERE employee_id=id);
CREATE FUNCTION get_salary(id INT) RETURNS FLOAT
RETURN (SELECT employee_salary FROM employees WHERE employee_id=id);
SELECT
a.employee_id,
get_desc(b.employee_id)
FROM
employees a
LEFT JOIN employees b ON
a.employee_id = b.employee_id
and b.employee_name = 'David Tian';
employee_id get_desc(b.employee_id)
1 employee name:David Tian---salary: 7500
2 NULL
3 NULL
4 NULL
5 NULL
SELECT
sum(200 + get_salary(b.employee_id))
FROM
employees a
LEFT JOIN employees b ON
a.employee_id = b.employee_id
and b.employee_name = 'David Tian';
sum(200 + get_salary(b.employee_id))
7700
SELECT
a.employee_id,
get_desc(b.employee_id)
FROM
employees a
LEFT JOIN employees b ON
a.employee_salary = get_salary(b.employee_id)
and b.employee_name = 'David Tian';
employee_id get_desc(b.employee_id)
1 employee name:David Tian---salary: 7500
2 NULL
3 NULL
4 NULL
5 NULL
SELECT
a.employee_id,
get_desc(b.employee_id)
FROM
employees a
LEFT JOIN employees b ON
b.employee_name = 'David Tian'
WHERE
a.employee_salary < get_salary(b.employee_id);
employee_id get_desc(b.employee_id)
2 employee name:David Tian---salary: 7500
5 employee name:David Tian---salary: 7500
4 employee name:David Tian---salary: 7500
3 employee name:David Tian---salary: 7500
SELECT
a.employee_id,
get_desc(b.employee_id)
FROM
employees a
LEFT JOIN employees b ON
b.employee_name = 'David Tian'
WHERE
a.employee_salary > get_salary(b.employee_id);
employee_id get_desc(b.employee_id)
SELECT
a.employee_id,
get_desc(b.employee_id)
FROM
employees a
LEFT JOIN employees b ON
b.employee_name = 'David Tian'
WHERE
a.employee_salary = get_salary(b.employee_id);
employee_id get_desc(b.employee_id)
1 employee name:David Tian---salary: 7500
SELECT
a.employee_id,
get_desc(b.employee_id)
FROM
employees a
LEFT JOIN employees b ON
b.employee_name = 'David Tian'
WHERE
get_salary(b.employee_id) = a.employee_salary;
employee_id get_desc(b.employee_id)
1 employee name:David Tian---salary: 7500
SELECT
get_desc(a.employee_id),
b.employee_salary
FROM
employees as a,
(
SELECT
get_salary(employees.employee_id) as employee_salary
FROM
employees) as b
WHERE
a.employee_name = 'David Tian'
AND a.employee_salary = b.employee_salary;
get_desc(a.employee_id) employee_salary
employee name:David Tian---salary: 7500 7500
SELECT
get_desc(a.employee_id),
b.employee_salary
FROM
employees as a,
(
SELECT
get_salary(e.employee_id) as employee_salary
FROM
(
SELECT
c.employee_id
FROM
(
SELECT
employee_id,
get_salary(employees.employee_id) as employee_salary
FROM
employees
WHERE
employee_salary > 500) as c) as e ) as b
WHERE
a.employee_name = 'David Tian'
AND a.employee_salary = b.employee_salary;
get_desc(a.employee_id) employee_salary
employee name:David Tian---salary: 7500 7500
SELECT
*
FROM
employees,
(
SELECT
get_salary(1) ) as ta
WHERE
employees.employee_name = 'David Tian';
employee_id employee_name employee_sex hire_date employee_mgr employee_salary department_id get_salary(1)
1 David Tian man NULL 10 7500 1 7500
SELECT
*
FROM
employees,
(
SELECT
get_salary(employees.employee_id)
FROM
employees ) as ta
WHERE
employees.employee_name = 'David Tian';
employee_id employee_name employee_sex hire_date employee_mgr employee_salary department_id get_salary(employees.employee_id)
1 David Tian man NULL 10 7500 1 7500
1 David Tian man NULL 10 7500 1 6600
1 David Tian man NULL 10 7500 1 4300
1 David Tian man NULL 10 7500 1 5300
1 David Tian man NULL 10 7500 1 6500
SELECT
employee_id,
ta.sal
FROM
employees,
(
SELECT get_salary(1) as sal) as ta
WHERE
employees.employee_name = 'David Tian';
employee_id sal
1 7500
SELECT
employee_id
FROM
employees
LEFT JOIN ((
SELECT
get_salary(1) as employee_salary) as ta) ON
employees.employee_salary = ta.employee_salary
WHERE
employees.employee_name = 'David Tian';
employee_id
1
SELECT
ta.sal
FROM
(
SELECT get_salary(1) as sal) as ta;
sal
7500
SELECT
ta.const,
ta.sal
FROM
(
SELECT
3 as const,
get_salary(1) as sal) as ta;
const sal
3 7500
SELECT get_desc(1);
get_desc(1)
employee name:David Tian---salary: 7500
SELECT get_desc(1),get_desc(1);
get_desc(1) get_desc(1)
employee name:David Tian---salary: 7500 employee name:David Tian---salary: 7500
SELECT get_desc(1),get_desc(1),get_desc(1);
get_desc(1) get_desc(1) get_desc(1)
employee name:David Tian---salary: 7500 employee name:David Tian---salary: 7500 employee name:David Tian---salary: 7500
SELECT 1,get_desc(1);
1 get_desc(1)
1 employee name:David Tian---salary: 7500
SELECT 1,2,get_desc(1);
1 2 get_desc(1)
1 2 employee name:David Tian---salary: 7500
DROP TABLE employees;
DROP FUNCTION get_desc;
DROP FUNCTION get_salary;
DROP TABLE IF EXISTS tf;
CREATE TABLE tf (a int) ENGINE=TIANMU DEFAULT CHARSET=utf8mb4;
DROP FUNCTION IF EXISTS sfunc;
CREATE FUNCTION sfunc (a int) RETURNS int RETURN (a+1);
INSERT tf VALUES(1);
SELECT sfunc(2);
sfunc(2)
3
DROP TABLE tf;
DROP FUNCTION sfunc;
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