Using a Parameterized Cursor in SQLRPGLE
Using a Parameterized Cursor in SQLRPGLE – A Simple and Clean Example When working with embedded SQL on IBM i, using a cursor with parameters is a great way to selectively retrieve data from a file based on runtime input. In this post, I’ll walk you through a simple SQLRPGLE program that demonstrates this concept. This free-format RPG example shows how to: Accept an input parameter Open a cursor based on that parameter Fetch records from the CLANA00F file Display basic customer information Properly handle SQL errors What Is CLANA00F? The file CLANA00F contains customer master data. Here's a simplified layout of its most relevant fields: Field Type Description CLCCL0 S(7) Customer numeric ID CLNOM0 A(50) Customer name CLCIB0 A(3) International code Our goal is to retrieve only those customers whose CLCIB0 matches a parameter passed when the program is called. Program Highlights ctl-opt dftactgrp(*no) actgrp(*caller); dcl-s CLCCL0...