FOR Loop in ABAP !

DATA : lt1 TYPE TABLE OF spfli.

SELECT * FROM spfli INTO TABLE lt1.

LOOP AT lt1 ASSIGNING FIELD-SYMBOL(<fs1>).
  WRITE :/ <fs1>-carrid, <fs1>-connid, <fs1>-cityfrom, <fs1>-cityto.
ENDLOOP.
ULINE.

TYPES : lt2 TYPE TABLE OF spfli WITH EMPTY KEY.

DATA(lt2) = VALUE lt2(
                   FOR ls IN lt1 WHERE (  carrid = 'LH' )
                      ( carrid = ls-carrid
                        connid = ls-connid
                        cityfrom = ls-cityfrom
                        cityto = ls-cityto ) ).

LOOP AT lt2 ASSIGNING FIELD-SYMBOL(<fs2>).
  WRITE :/ <fs2>-carrid, <fs2>-connid, <fs2>-cityfrom, <fs2>-cityto .
ENDLOOP. 

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The FOR Loop runs on the table LT1 with a condition and put backs the record to LT2.

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