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ABAPDATA_KEYDEF - DATA KEYDEF

ABAPDATA_KEYDEF - DATA KEYDEF

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DATA, tabkeys

Short Reference


... $[ WITH key $]
    $[ WITH secondary_key1 $] $[ WITH secondary_key2 $] ...

Effect

Definition of the table keys of an internal table. The following can be defined:

Every internal table has a primary key. The primary key must be defined explicitly for sorted tables and hashed tables. The specification for the primary key can only be omitted for standard tables. The primary table key is then defined automatically as a non-unique standard key.
The specification of secondary keys is optional for all table categories. If no secondary key is specified, the internal table has only one primary key.

Example

Declaration of a hashed table with a unique primary key and two non-unique secondary sorted keys, cityfrom_to and airp_from_to.






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