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_vbak
based on the database tablevbak
. We create two keys for this table type. ...
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