SQL/MySQL/Procedure Function/Insert — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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Версия 16:46, 26 мая 2010
Example of an INSERT using a procedure variable
<source lang="sql">
mysql> mysql> mysql> mysql> CREATE TABLE Employee(
-> id int, -> first_name VARCHAR(15), -> last_name VARCHAR(15), -> start_date DATE, -> end_date DATE, -> salary FLOAT(8,2), -> city VARCHAR(10), -> description VARCHAR(15) -> );
Query OK, 0 rows affected (0.02 sec) mysql> mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values (1,"Jason", "Martin", "19960725", "20060725", 1234.56, "Toronto", "Programmer");
Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(2,"Alison", "Mathews", "19760321", "19860221", 6661.78, "Vancouver","Tester");
Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(3,"James", "Smith", "19781212", "19900315", 6544.78, "Vancouver","Tester");
Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(4,"Celia", "Rice", "19821024", "19990421", 2344.78, "Vancouver","Manager");
Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(5,"Robert", "Black", "19840115", "19980808", 2334.78, "Vancouver","Tester");
Query OK, 1 row affected (0.02 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(6,"Linda", "Green", "19870730", "19960104", 4322.78,"New York", "Tester");
Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(7,"David", "Larry", "19901231", "19980212", 7897.78,"New York", "Manager");
Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(8,"James", "Cat", "19960917", "20020415", 1232.78,"Vancouver", "Tester");
Query OK, 1 row affected (0.00 sec) mysql> mysql> select * from Employee; +------+------------+-----------+------------+------------+---------+-----------+-------------+ | id | first_name | last_name | start_date | end_date | salary | city | description | +------+------------+-----------+------------+------------+---------+-----------+-------------+ | 1 | Jason | Martin | 1996-07-25 | 2006-07-25 | 1234.56 | Toronto | Programmer | | 2 | Alison | Mathews | 1976-03-21 | 1986-02-21 | 6661.78 | Vancouver | Tester | | 3 | James | Smith | 1978-12-12 | 1990-03-15 | 6544.78 | Vancouver | Tester | | 4 | Celia | Rice | 1982-10-24 | 1999-04-21 | 2344.78 | Vancouver | Manager | | 5 | Robert | Black | 1984-01-15 | 1998-08-08 | 2334.78 | Vancouver | Tester | | 6 | Linda | Green | 1987-07-30 | 1996-01-04 | 4322.78 | New York | Tester | | 7 | David | Larry | 1990-12-31 | 1998-02-12 | 7897.78 | New York | Manager | | 8 | James | Cat | 1996-09-17 | 2002-04-15 | 1232.78 | Vancouver | Tester | +------+------------+-----------+------------+------------+---------+-----------+-------------+ 8 rows in set (0.00 sec) mysql> mysql> mysql> mysql> mysql> delimiter $$ mysql> CREATE PROCEDURE myProc()
-> BEGIN -> DECLARE i INT DEFAULT 1; -> -> SET autocommit=0; -> -> WHILE (i<=10) DO -> INSERT INTO employee (id, first_name)VALUES(id,CONCAT("record ",i)); -> SET i=i+1; -> END WHILE; -> -> -> END$$
Query OK, 0 rows affected (0.00 sec) mysql> mysql> mysql> delimiter ; mysql> mysql> call myProc(); Query OK, 1 row affected (0.00 sec) mysql> select * from Employee; +------+------------+-----------+------------+------------+---------+-----------+-------------+ | id | first_name | last_name | start_date | end_date | salary | city | description | +------+------------+-----------+------------+------------+---------+-----------+-------------+ | 1 | Jason | Martin | 1996-07-25 | 2006-07-25 | 1234.56 | Toronto | Programmer | | 2 | Alison | Mathews | 1976-03-21 | 1986-02-21 | 6661.78 | Vancouver | Tester | | 3 | James | Smith | 1978-12-12 | 1990-03-15 | 6544.78 | Vancouver | Tester | | 4 | Celia | Rice | 1982-10-24 | 1999-04-21 | 2344.78 | Vancouver | Manager | | 5 | Robert | Black | 1984-01-15 | 1998-08-08 | 2334.78 | Vancouver | Tester | | 6 | Linda | Green | 1987-07-30 | 1996-01-04 | 4322.78 | New York | Tester | | 7 | David | Larry | 1990-12-31 | 1998-02-12 | 7897.78 | New York | Manager | | 8 | James | Cat | 1996-09-17 | 2002-04-15 | 1232.78 | Vancouver | Tester | | NULL | record 1 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 2 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 3 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 4 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 5 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 6 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 7 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 8 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 9 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 10 | NULL | NULL | NULL | NULL | NULL | NULL | +------+------------+-----------+------------+------------+---------+-----------+-------------+ 18 rows in set (0.00 sec) mysql> drop procedure myProc; Query OK, 0 rows affected (0.00 sec) mysql> mysql> mysql> mysql> mysql> drop table Employee; Query OK, 0 rows affected (0.00 sec) mysql> mysql>
</source>
Insert data in a while loop
<source lang="sql">
mysql> mysql> mysql> delimiter $$ mysql> mysql> CREATE PROCEDURE myFunction()
-> BEGIN -> DECLARE i INT DEFAULT 1; -> -> CREATE TEMPORARY TABLE ascii_chart -> (ascii_code int, ascii_char CHAR(1)); -> -> WHILE (i<=128) DO -> INSERT INTO ascii_chart VALUES(i,CHAR(i)); -> SET i=i+1; -> END WHILE; -> -> select * from ascii_chart; -> -> drop table ascii_chart; -> -> END$$
Query OK, 0 rows affected (0.00 sec) mysql> mysql> delimiter ; mysql> mysql> call myFunction(); +------------+------------+ | ascii_code | ascii_char | +------------+------------+ | 38 | & | | 39 | " | | 40 | ( | | 41 | ) | | 42 | * | | 43 | + | | 44 | , | | 45 | - | | 46 | . | | 47 | / | | 48 | 0 | | 49 | 1 | | 50 | 2 | | 51 | 3 | | 52 | 4 | | 53 | 5 | | 54 | 6 | | 55 | 7 | | 56 | 8 | | 57 | 9 | | 58 | : | | 59 | ; | | 60 | < | | 61 | = | | 62 | > | | 63 | ? | | 64 | @ | | 65 | A | | 66 | B | | 67 | C | | 68 | D | | 69 | E | | 70 | F | | 71 | G | | 72 | H | | 73 | I | | 74 | J | | 75 | K | | 76 | L | | 77 | M | | 78 | N | | 79 | O | | 80 | P | | 81 | Q | | 82 | R | | 83 | S | | 84 | T | | 85 | U | | 86 | V | | 87 | W | | 88 | X | | 89 | Y | | 90 | Z | | 91 | [ | | 92 | \ | | 93 | ] | | 94 | ^ | | 95 | _ | | 96 | ` | | 97 | a | | 98 | b | | 99 | c | | 100 | d | | 101 | e | | 102 | f | | 103 | g | | 104 | h | | 105 | i | | 106 | j | | 107 | k | | 108 | l | | 109 | m | | 110 | n | | 111 | o | | 112 | p | | 113 | q | | 114 | r | | 115 | s | | 116 | t | | 117 | u | | 118 | v | | 119 | w | | 120 | x | | 121 | y | | 122 | z | | 123 | { | | 124 | | | | 125 | } | | 126 | ~ | | 127 | ? | | 128 | � | +------------+------------+ 128 rows in set (0.02 sec) Query OK, 0 rows affected (0.67 sec) mysql> mysql> drop procedure myFunction; Query OK, 0 rows affected (0.00 sec)
</source>
Insert data into a table in a procedure
<source lang="sql">
mysql> mysql> mysql> CREATE TABLE Employee(
-> id int, -> first_name VARCHAR(15), -> last_name VARCHAR(15), -> start_date DATE, -> end_date DATE, -> salary FLOAT(8,2), -> city VARCHAR(10), -> description VARCHAR(15) -> );
Query OK, 0 rows affected (0.03 sec) mysql> mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values (1,"Jason", "Martin", "19960725", "20060725", 1234.56, "Toronto", "Programmer");
Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(2,"Alison", "Mathews", "19760321", "19860221", 6661.78, "Vancouver","Tester");
Query OK, 1 row affected (0.02 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(3,"James", "Smith", "19781212", "19900315", 6544.78, "Vancouver","Tester");
Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(4,"Celia", "Rice", "19821024", "19990421", 2344.78, "Vancouver","Manager");
Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(5,"Robert", "Black", "19840115", "19980808", 2334.78, "Vancouver","Tester");
Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(6,"Linda", "Green", "19870730", "19960104", 4322.78,"New York", "Tester");
Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(7,"David", "Larry", "19901231", "19980212", 7897.78,"New York", "Manager");
Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description)
-> values(8,"James", "Cat", "19960917", "20020415", 1232.78,"Vancouver", "Tester");
Query OK, 1 row affected (0.00 sec) mysql> mysql> select * from Employee; +------+------------+-----------+------------+------------+---------+-----------+-------------+ | id | first_name | last_name | start_date | end_date | salary | city | description | +------+------------+-----------+------------+------------+---------+-----------+-------------+ | 1 | Jason | Martin | 1996-07-25 | 2006-07-25 | 1234.56 | Toronto | Programmer | | 2 | Alison | Mathews | 1976-03-21 | 1986-02-21 | 6661.78 | Vancouver | Tester | | 3 | James | Smith | 1978-12-12 | 1990-03-15 | 6544.78 | Vancouver | Tester | | 4 | Celia | Rice | 1982-10-24 | 1999-04-21 | 2344.78 | Vancouver | Manager | | 5 | Robert | Black | 1984-01-15 | 1998-08-08 | 2334.78 | Vancouver | Tester | | 6 | Linda | Green | 1987-07-30 | 1996-01-04 | 4322.78 | New York | Tester | | 7 | David | Larry | 1990-12-31 | 1998-02-12 | 7897.78 | New York | Manager | | 8 | James | Cat | 1996-09-17 | 2002-04-15 | 1232.78 | Vancouver | Tester | +------+------------+-----------+------------+------------+---------+-----------+-------------+ 8 rows in set (0.00 sec) mysql> mysql> mysql> mysql> delimiter $$ mysql> mysql> CREATE PROCEDURE sp_add_location
-> (in_location VARCHAR(30), -> in_first_name VARCHAR(30), -> in_last_name VARCHAR(30), -> description VARCHAR(10)) -> MODIFIES SQL DATA -> BEGIN -> INSERT INTO employee -> (city,first_name,last_name,description) -> VALUES -> (in_location,in_first_name,in_last_name,description); -> END$$
Query OK, 0 rows affected (0.00 sec) mysql> mysql> delimiter ; mysql> call sp_add_location("New City","First","Last","Descr"); Query OK, 1 row affected (0.02 sec) mysql> drop procedure sp_add_location; Query OK, 0 rows affected (0.00 sec) mysql> mysql> select * from Employee; +------+------------+-----------+------------+------------+---------+-----------+-------------+ | id | first_name | last_name | start_date | end_date | salary | city | description | +------+------------+-----------+------------+------------+---------+-----------+-------------+ | 1 | Jason | Martin | 1996-07-25 | 2006-07-25 | 1234.56 | Toronto | Programmer | | 2 | Alison | Mathews | 1976-03-21 | 1986-02-21 | 6661.78 | Vancouver | Tester | | 3 | James | Smith | 1978-12-12 | 1990-03-15 | 6544.78 | Vancouver | Tester | | 4 | Celia | Rice | 1982-10-24 | 1999-04-21 | 2344.78 | Vancouver | Manager | | 5 | Robert | Black | 1984-01-15 | 1998-08-08 | 2334.78 | Vancouver | Tester | | 6 | Linda | Green | 1987-07-30 | 1996-01-04 | 4322.78 | New York | Tester | | 7 | David | Larry | 1990-12-31 | 1998-02-12 | 7897.78 | New York | Manager | | 8 | James | Cat | 1996-09-17 | 2002-04-15 | 1232.78 | Vancouver | Tester | | NULL | First | Last | NULL | NULL | NULL | New City | Descr | +------+------------+-----------+------------+------------+---------+-----------+-------------+ 9 rows in set (0.00 sec) mysql> mysql> mysql> drop table Employee; Query OK, 0 rows affected (0.00 sec) mysql>
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