chapter 07_abap dictionary changes

8/10/2019 Chapter 07_ABAP Dictionary Changes

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IBM Global Business Services

IBM Corporation 2013ABAP Dictionary Changes | Dec-2008

ABAP Dictionary Changes


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IBM Corporation 20132 Dec-2008ABAP Dictionary Changes |

Objectives

The participants will be able to:

Explain why an Object must be activated and demonstrate how to activate an Object.

Describe how SAP handles Version Management.


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Activation

Activation Icon

ABAP Dictionary

Data Objects(Eg:

Tables, Data

elements,Domains

etc.)

An object must be fully activated in the SAP system in order to be used by otherobjects


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Mass Activation

The mass activation program RADMASG0 can either be run online orscheduled as a background job

Online

Background


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Table Activation

ABAP Programs

Updates

Screen Painter

? Log Entries

Consistency Checks?

ABAP programs and Screen Painter screens always use the currentversion of a table activated in the Dictionary.

A data object is automatically checked for consistency (among data types) when

the object has been changed.


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Change Key of Value Table

Tables

YANGIE1YEMPLOY

Domain

YZIPCODESValue Table

1 9 7 0 2

1 9 7 0 2

NUMC 10

YZIP

Changing the primary key of a value table that is being used by a domain,requires a lengthy process because of the embedded links between the domain

and the value table.


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Versions

An object in the ABAP Dictionary can exist in various versions

There are two VERSIONS of an object that can exist in the ABAP Dictionary:

Active & Modif.


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Version Management

Active Version

Historical

Version

Several temporary versions of an active object can be stored when a CTS is open.

Historical versions are created every time a CTS is released.


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Version Management (Contd.)

Display

Compare

Retrieve stored version of object

REMOTE compare


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Demonstration

Creation of an ABAP report program and assigning the same to a package.

Subsequently releasing the same program and then making further changes to

the program.

Then going to the version management for the program and viewing the

differences between the current active version and the one released previously.


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Practice

Creation of an ABAP report program and assigning the same to a package.

Subsequently releasing the same program and then making further changes to

the program.

Then going to the version management for the program and viewing the

differences between the current active version and the one released previously.


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Locks on Dictionary Objects

When you activate an object any locks on the object are automatically released


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SPDD Transaction

Versions of repaired SAP standard objects can be compared with newSAP standard objects by using the transaction SPDD


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Summary

An object must be fully activated in the SAP system in order to be used by otherobjects

When an object is changed and re-activated, all other objects currently linked to

the changed object are automatically updated

Changing the primary key of a value table that is being used by a domain,

requires a lengthy process because of the embedded links between the domainand the value table

The various versions of an object in the ABAP Dictionary can be viewed via the

menu path Utilities Version management.

Versions of modified (repaired) SAP standard objects can be compared with new

SAP standard objects by using the transaction SPDD.


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Questions

Why should SAP Objects be activated ?

How are different versions of programs maintained in SAP ?

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