How To Fix MC732 - Alle Felder werden als Schlüsselfeld gewertet

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 732

• Message text: Alle Felder werden als Schlüsselfeld gewertet

Was verursacht dieses Problem?

In the view, not all of the mandatory fields were included as key
fields. The key of the view therefore is not unique.

Systemantwort

All the fields are regarded as key fields in order to guarantee that
the key lengths are unique.

Wie behebe ich diesen Fehler?

For views with a large number of fields, this could have a negative
effect on the performance for the language construction described
below. In this case, all the mandatory key fields should be included in
the view.
&HINTS&
The key information is relevant for the ABAP/4 language constructs
SELECT SINGLE, SELECT ... ORDER BY PRIMARY KEY and SELECT ... FOR ALL
ENTRIES.
In these cases, SELECT SINGLE is handled like a simple SELECT ...
ENDSELECT, where the first (random) record found is returned.
ORDER BY PRIMARY KEY and (indirect) SELECT FOR ALL ENTRIES sort
according to all fields in these cases.

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