ABAP Keyword Documentation → ABAP − Reference → Processing Internal Data → Internal Tables → Processing Statements for Internal Tables → MODIFY itab → MODIFY itab - itab_line
MODIFY itab - result
Other versions: 7.31 | 7.40 | 7.54
Syntax
... { ASSIGNING <fs> [CASTING] }
| { REFERENCE INTO dref }.
Effect
These additions are possible only when modifying single
rows. If modified successfully, the addition ASSIGNING is used to assign
the row to a field symbol and the addition REFERENCE INTO is used to set a reference to the modified row in a reference variable.
The syntax and meaning are the same as when specifying the output behavior in the statement
READ TABLE and the same restrictions apply regarding the modification of key fields for
primary and
secondary table keys.
In particular, inline declarations using the declaration operators
DATA and FIELD-SYMBOL are possible.
Example
Changes smoking seats to non-smoking seats in an internal table of flight bookings. After the loop,
each row in the reference table reftab references a row in itab in which a change took place.
DATA itab TYPE HASHED TABLE OF sbook
WITH UNIQUE KEY carrid connid fldate bookid.
SELECT *
FROM sbook
INTO TABLE @itab.
DATA reftab TYPE TABLE OF REF TO sbook WITH EMPTY KEY.
LOOP AT itab INTO DATA(line) WHERE smoker = 'X'.
CLEAR line-smoker.
MODIFY TABLE itab FROM line TRANSPORTING smoker
REFERENCE INTO DATA(dref).
APPEND dref TO reftab.
ENDLOOP.