FIELD-SYMBOLS is a keyword used in SAP ABAP programming.This tutorial covers its introduction & syntax details.
1. … STRUCTURE s
2. … TYPE t
3. … TYPE LINE OF t
4. … LIKE s
LIKE LINE OF s
This statement declares a symbolic field called
ASSIGN . All operations performed with the field symbol then directly affect the
field assigned to it.
You can only use one of the
Output aircraft type from the table SFLIGHT using a
STRUCTURE s DEFAULT wa
Assigns any (internal) field string or
structure to the field symbol from the ABAP/4 Dictionary ( s ). All fields of
the structure can be addressed by name:
symbol points initially to the work area wa specified after DEFAULT .
work area wa must be at least as long as the structure s . If s contains fields
of the type I or F, wa should have the structure s or at least begin in that
way, since otherwise alignment problems may occur.
components of the flight bookings table SBOOK using a field
DATA SBOOK_WA LIKE SBOOK.
… TYPE t
LINE OF t
… LIKE s
… LIKE LINE OF
You can use additions 2 to 5 to type field symbols in the
same way as FORM parameters (see also Type assignment of subroutine parameters).
ASSIGN performs the same type checks as with USING parameters of FORM s.