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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