Modifying a group of lines of an internal table

Use the variations of the modify command to speed up this kind of processing.

 Not recommended

            Loop at int_fligh.

             If int_fligh-flag is initial.

                        Int_fligh-flag = ‘X’.

             Endif.

             Modify int_fligh.

            Endloop.

Recommended

            Int_fligh-flag = ‘X’.

            Modify int_fligh transporting flag where flag is initial.

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This tutorial contains a number of pages, each one explaining a tip or trick. You can either browse them one by one (click on the NEXT button, or jump straight to a tip or trick which interests you:

• Introduction

• Selection criteria

• Aggregate functions

• Views instead of base tables

• The "into table" clause

• Modifying a group of lines

• Use of binary search option

• Appending two internal tables

• Table buffering

• Use of "for all" entries

• Proper structure of "where" clause

• Proper use of "move" statement

• Proper use of "inner join"

• Use of "ABAP Sort" instead of "Order By"

• Tools for analysis of performance