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ABAP_CDS - CDS Scalar Function Implementation Reference A CDS scalar function implementation reference is a CDS object defined in a form-based tool in ABAP Development Tool (ADT) that binds a CDS scalar function to an implementation in a specific runtime environment. A scalar function can have multiple scalar function implementation references, but not more than one per runtime environment. The name of a scalar function implementation reference must be identical to the name of the scalar function definition and have a suffix that matches its implementation type. The suffix _SQL is mandatory for the implementation type SQL and the suffix _ANA is mandatory for the implementation type Analytical. The following types of scalar function implementation references are currently available:
Analytical
Binds the CDS scalar function in question to an analytical runtime environment, such as the ABAP Analytical Engine .
The name of the scalar function implementation reference must have the suffix _ANA.
Analytical scalar functions can only be defined internally at SAP. Customers can use the SAP-delivered analytical scalar functions . For a complete list of SAP-delivered analytical scalar functions, see TITLE .
SQL
Binds the CDS scalar function in question to an SQL environment.
The name of the scalar function implementation must have the suffix _SQL.
SQL-based scalar functions require an AMDP function implementation. This AMDP function implementation is also specified in the scalar function implementation reference in the following format: ClassName =>MethodName. BEGIN_SECTION SAP_INTERNAL_HINT The TADIR key for a service binding is <(>R3TR DSFI<)>. This is an abbreviation for CDS scalar function implementation. END_SECTION SAP_INTERNAL_HINT
