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Generic Table Types

An internal table is characterized by the following four attributes during a type check.

  1. Table type
  2. Row type of the table
  3. Key of the table
  4. Uniqueness specification of the key

During type declaration, this information may be missing or incomplete. The table type is then considered generic. Generic type specifications can only be used to type the formal parameters for subroutines, function modules, or methods.

Types of the table type ANY TABLE or INDEX TABLE are generic. For these table types, you cannot make a uniqueness specification with regard to the key.

The key specification may be missing. In this case, you cannot make a uniquenes specification.

The uniqueness specification is missing.

Additional help

Internal table types

PERFORM Short Reference   General Material Data  
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