AMDP - L for the SAP HANA Database - ABAP Keyword Documentation

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AMDP - L for the SAP HANA Database

This function is only for internal use within SAP.
Customers and partners are not allowed to use this function.

L is a low-level programming language used for programming L procedures on the SAP HANA database. L is the implementation language of an AMDP method that specifies the addition FOR HDB LANGUAGE LLANG when the statement METHOD is used.

The programming language L is only documented internally at SAP. The following list contains special properties and additional restrictions for AMDP methods implemented in L:

L procedures provide read-only access only. The addition READ ONLY must be specified in the implementation.

L procedures do not have relationships with other database objects. The addition USING cannot be specified in the implementation.

When an L procedure is saved in the database system, any asterisks (*) at the start of a line are transformed to double slashes (//).

Only those L functions can be called within AMDP methods that are defined in the same AMDP method.

Parameter interface:

An AMDP method for an L procedure cannot have any input/output parameters defined using CHANGING.

An AMDP method for an L procedure must have at least one output parameter defined using CHANGING. Output parameters must be tabular with a structured row type and cannot be scalar.

Note

The programming language L can only be used internally and with restrictions at SAP. For general programming with the SAP HANA database, SQL or the script language SQLScript must be used. The use of L by customers and partners is not supported.

Example

See AMDP, Implementation of an L Procedure