SQL Server/T-SQL/Store Procedure Function/Function Call
Pass table column to a user defined function
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1> 2> CREATE TABLE EmployeeList 3> (EmployeeName VarChar(100)) 4> GO 1> INSERT INTO EmployeeList (EmployeeName) SELECT "Fred, First" 2> INSERT INTO EmployeeList (EmployeeName) SELECT "Rubble, Last" 3> GO (1 rows affected) (1 rows affected) 1> 2> 3> CREATE FUNCTION fnLastName (@Name VarChar(100)) 4> RETURNS VarChar(100) 5> AS 6> BEGIN 7> DECLARE @CommaPosition Int, @LastName varchar(100) 8> SET @CommaPosition = 6 9> SET @LastName = SUBSTRING(@Name, 1, @CommaPosition) 10> RETURN @LastName 11> END 12> GO 1> 2> SELECT dbo.fnLastName(EmployeeName) As LastName, dbo.fnLastName(EmployeeName) As FirstName 3> FROM EmployeeList 4> GO LastName FirstName
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Fred, Fred, Rubble Rubble
(2 rows affected) 1> 2> drop function fnLastName 3> drop table EmployeeList 4> GO 1>
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Select from a function returning a table
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3> 4> 5> CREATE TABLE titles( 6> title_id varchar(20), 7> title varchar(80) NOT NULL, 8> type char(12) NOT NULL, 9> pub_id char(4) NULL, 10> price money NULL, 11> advance money NULL, 12> royalty int NULL, 13> ytd_sales int NULL, 14> notes varchar(200) NULL, 15> pubdate datetime NOT NULL 16> ) 17> GO 1> 2> insert titles values ("1", "Secrets", "popular_comp", "1389", $20.00, $8000.00, 10, 4095,"Note 1","06/12/94") 3> insert titles values ("2", "The", "business", "1389", $19.99, $5000.00, 10, 4095,"Note 2","06/12/91") 4> insert titles values ("3", "Emotional", "psychology", "0736", $7.99, $4000.00, 10, 3336,"Note 3","06/12/91") 5> insert titles values ("4", "Prolonged", "psychology", "0736", $19.99, $2000.00, 10, 4072,"Note 4","06/12/91") 6> insert titles values ("5", "With", "business", "1389", $11.95, $5000.00, 10, 3876,"Note 5","06/09/91") 7> insert titles values ("6", "Valley", "mod_cook", "0877", $19.99, $0.00, 12, 2032,"Note 6","06/09/91") 8> insert titles values ("7", "Any?", "trad_cook", "0877", $14.99, $8000.00, 10, 4095,"Note 7","06/12/91") 9> insert titles values ("8", "Fifty", "trad_cook", "0877", $11.95, $4000.00, 14, 1509,"Note 8","06/12/91") 10> GO (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) 1> 2> CREATE TABLE sales( 3> stor_id char(4) NOT NULL, 4> ord_num varchar(20) NOT NULL, 5> ord_date datetime NOT NULL, 6> qty smallint NOT NULL, 7> payterms varchar(12) NOT NULL, 8> title_id varchar(80) 9> ) 10> GO 1> insert sales values("1", "QA7442.3", "09/03/94", 75, "ON Billing","1") 2> insert sales values("2", "D4482", "09/04/94", 10, "Net 60", "1") 3> insert sales values("3", "N914008", "09/04/94", 20, "Net 30", "2") 4> insert sales values("4", "N914014", "09/04/94", 25, "Net 30", "3") 5> insert sales values("5", "423LL922", "09/04/94", 15, "ON Billing","3") 6> insert sales values("6", "423LL930", "09/04/94", 10, "ON Billing","2") 7> GO (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) (1 rows affected) 1> 2> 3> CREATE FUNCTION SalesByStore(@storid varchar(30)) 4> RETURNS TABLE 5> AS 6> RETURN (SELECT title, qty 7> FROM sales s, titles t 8> WHERE s.stor_id = @storid AND t.title_id = s.title_id) 9> GO 1> 2> SELECT * FROM SalesByStore ("8042") 3> GO title qty
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(0 rows affected) 1> 2> drop FUNCTION SalesByStore; 3> GO 1> 2> drop table sales; 3> drop table titles; 4> GO 1>
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