Example of using dynamic cursors for DB2 stored procedures (1)

This article will introduce you to an example of using dynamic cursors in a DB2 stored procedure. If you are interested in using dynamic cursors, it may be helpful for you to learn how to use DB2.

Create procedure data_wtptest (IN in_taskid_timestamp varchar (30 ),

OUT o_err_no int,
OUT o_err_msg varchar (1024 ))
LANGUAGE SQL

P1: BEGIN ATOMIC
-- Declaration start
-- Temporary Variable Error variable
Declare sqlcode integer default 0;
DECLARE SQLStmt varchar (1024) default '';
DECLARE r_code integer default 0;
DECLARE state varchar (1024) default 'aaa'; -- Record the current work of the program
DECLARE at_end int DEFAULT 0;
DECLARE t_destnetid int default 0;
DECLARE t_recvid varchar (30) default '';
DECLARE SP_Name varchar (50) default 'data _ wtptest ';

-- Declare the value of the cursor
-- Declare the Dynamic Cursor storage variable
DECLARE stmt1 STATEMENT;
DECLARE c1 cursor for stmt1;

-- Declaring error handling
DECLARE EXIT HANDLER FOR SQLEXCEPTION