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With the special annotation environment.systemField,ĪBAP SQL can pass the values of the session variables specified here automatically too.

For input parameters of CDS views annotated.

The HANA session variable CLIENT does not have a corresponding variable in ABAP CDS. The ABAP session and is not modified by the ABAP SQL addition USING CLIENT or by ABAP calls of an

A further ABAP-specific session variable CLIENT in the SAP HANA database always contains the current client of.

They can be accessed using the database function SESSION_CONTEXT. If ABAP SQL is not used to access a CDS view with session variables, the content of the variables is undefined (with the exception of theĪBAP-specific session variables are calledĪnd SAP_SYSTEM_DATE and exist and are set independently of ABAP CDS and ABAP SQL. That are set to their value when the CDS view is used in ABAP SQL.

From a technical perspective, session variables indicate global variables of the current database.

Of the AS ABAP, nominal value of the ABAP system field sy-datum Nominal value of the ABAP system field sy-langu Whose declaration the addition AMDP OPTIONS CDS SESSION CLIENT is specified), the value specified here. In reads with an ABAP SQL statement (with the addition USING CLIENT) and in calls of an Value is the nominal value of the ABAP system field This also applies to CDS views that are used as data sources in other CDS views. Session variables have a predefined name and are set to a predefined value when the CDS view is used

$session.vname, $Session.Vname, and $SESSION.VNAME can all be used. Specifies a session variable vname in an operand position in a SELECT statement of aĬase-sensitive. ABAP Keyword Documentation →ĪBAP CDS - SELECT, Operands and Expressions → AS ABAP Release 753, ©Copyright 2019 SAP AG.