Alphabet A ABAP Syntax

ADD for Single Fields
Adds two single fields.
Syntax
ADD TO .
The contents of are added to the contents of . The result is placed in . Equivalent of
= + .
ADD for Sequences of Fields
Adds sequences of fields.
Syntax
ADD THEN UNTIL GIVING .
ADD THEN UNTIL ACCORDING TO GIVING .
ADD THEN UNTIL TO .
ADD FROM TO GIVING .
If , ,..., is a sequence of fields with a uniform gap between each, the same type, and the same length, the fields are added together and the result placed in . The variants allow you to restrict the fields to a partial sequence, to include in the sum, or to perform the operation for a sequence of consecutive fields.
ADD-CORRESPONDING
Adds components of structures.
Syntax
ADD-CORRESPONDING TO .
Adds together all of the components of structures and that have identical names, and places the results in the corresponding components of .
ALIASES
Defines class-specific alias names for an interface component in ABAP Objects.
Syntax
ALIASES FOR .
Defines within a class as a synonym for the interface component .
APPEND
Appends one or more lines to the end of an index table.
Syntax
APPEND |LINES OF TO .
Appends one line or several lines of an internal table to the index table .
ASSIGN
Assigns a field to a field symbol.
Syntax
ASSIGN TO .
Assigns the data object to the field symbol , after which, points to the data object. The pointed brackets are part of the syntax of the field symbol.
AT for Event Blocks
Event keywords for defining event blocks for screen events.
Syntax
AT SELECTION-SCREEN...
AT LINE-SELECTION.
AT USER-COMMAND.
AT PFn.
User actions on selection screens or lists trigger events in the ABAP runtime environment. The event keywords define event blocks, which are called when the corresponding event occurs.
AT for Control Levels
Control level change when you process extracts and internal tables in a loop.
Syntax
AT NEW .
AT END OF .
AT FIRST.
AT LAST.
AT .
These statements are used in control level processing with extract datasets or internal tables. Each introduces a statement block that you must conclude with the ENDAT statement. The statements between AT and ENDAT are executed whenever the corresponding control level change occurs.
AUTHORITY-CHECK
Checks the authorization of a user.
Syntax
AUTHORITY-CHECK OBJECT

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