December 2012
Intermediate to advanced
316 pages
6h 51m
English
Content preview from SAP ABAP Advanced CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Secondary indexes for internal tables
In this recipe, we will see the new concept of secondary keys/index within internal tables. This lets you optimize your programs when accessing data residing within an internal table.
Getting ready
In this recipe, we will create a program that will store all data of table VBAK into an internal table. Then we will use the secondary key in order to fetch a record pertaining to a given order number, aufnr. The primary emphasis of this recipe is on the definition and usage of a secondary key for internal tables.
How to do it...
For creating a program using secondary index in internal tables, follow the steps below:
- We first declare a type
ty_vbakbased on the database tablevbak. We create two keys for this table type. ...
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