----------------------------------------------------------------------------- -- (c) Copyright IBM Corp. 2007 All rights reserved. -- -- The following sample of source code ("Sample") is owned by International -- Business Machines Corporation or one of its subsidiaries ("IBM") and is -- copyrighted and licensed, not sold. You may use, copy, modify, and -- distribute the Sample in any form without payment to IBM, for the purpose of -- assisting you in the development of your applications. -- -- The Sample code is provided to you on an "AS IS" basis, without warranty of -- any kind. IBM HEREBY EXPRESSLY DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR -- IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -- MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Some jurisdictions do -- not allow for the exclusion or limitation of implied warranties, so the above -- limitations or exclusions may not apply to you. IBM shall not be liable for -- any damages you suffer as a result of using, copying, modifying or -- distributing the Sample, even if IBM has been advised of the possibility of -- such damages. ----------------------------------------------------------------------------- -- -- SOURCE FILE NAME: dynamic.db2 -- -- SAMPLE: To create the CREATE_DEPT_TABLE SQL procedure -- -- To create the SQL procedure: -- 1. Connect to the database -- 2. Enter the command "db2 -td@ -vf dynamic.db2" -- -- To call the SQL procedure from the command line: -- 1. Connect to the database -- 2. Enter the following command: -- db2 "CALL create_dept_table ('D11', ?)" -- -- You can also call this SQL procedure by compiling and running the -- C embedded SQL client application, "dynamic", using the dynamic.sqc -- source file available in the sqlpl samples directory. ---------------------------------------------------------------------------- -- -- For more information on the sample scripts, see the README file. -- -- For information on creating SQL procedures, see the Developing SQL and External Routines book. -- -- For information on using SQL statements, see the SQL Reference. -- -- For the latest information on programming, building, and running DB2 -- applications, visit the DB2 Information Center: -- http://publib.boulder.ibm.com/infocenter/db2luw/v9r7/index.jsp ----------------------------------------------------------------------------- CREATE PROCEDURE create_dept_table (IN deptNumber VARCHAR(3), OUT table_name VARCHAR(30)) LANGUAGE SQL BEGIN DECLARE SQLSTATE CHAR(5); DECLARE new_name VARCHAR(30); DECLARE stmt VARCHAR(1000); -- continue if sqlstate 42704 ('undefined object name') DECLARE CONTINUE HANDLER FOR SQLSTATE '42704' SET stmt = ''; DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SET table_name = 'PROCEDURE_FAILED'; SET new_name = 'DEPT_'||deptNumber||'_T'; SET stmt = 'DROP TABLE '||new_name; PREPARE s1 FROM stmt; EXECUTE s1; SET stmt = 'CREATE TABLE '||new_name|| '( empno CHAR(6) NOT NULL, '|| 'firstnme VARCHAR(12) NOT NULL, '|| 'midinit CHAR(1) NOT NULL, '|| 'lastname VARCHAR(15) NOT NULL, '|| 'salary DECIMAL(9,2))'; PREPARE s2 FROM STMT; EXECUTE s2; SET stmt = 'INSERT INTO '||new_name || ' ' || 'SELECT empno, firstnme, midinit, lastname, salary '|| 'FROM employee '|| 'WHERE workdept = ?'; PREPARE s3 FROM stmt; EXECUTE s3 USING deptNumber; SET table_name = new_name; END @