Created by Jerry Wang, last modified on Oct 06, 2014

variant 1: 異步update

START-OF-SELECTION.CALL FUNCTION 'ZTIME_SPENT2' IN UPDATE TASKEXPORTINGiv_time = 2.COMMIT WORK.PERFORM main.WRITE: / 'finish'.FORM main.WAIT UP TO 1 SECONDS. ENDFORM.

variant 2： 同步update

START-OF-SELECTION.CALL FUNCTION 'ZTIME_SPENT2' IN UPDATE TASKEXPORTINGiv_time = 2.COMMIT WORK AND WAIT.PERFORM main.WRITE: / 'finish'.FORM main.WAIT UP TO 1 SECONDS. ENDFORM.

variant 3

根據(jù)ABAP help 對關(guān)鍵字SET UPDATE TASK LOCAL的說明(The local update function performs a synchronous update after the COMMIT WORK statement, independently of the addition AND WAIT), variant 3還是屬于同步update:( 總的gross time仍然為3秒)

START-OF-SELECTION.CALL FUNCTION 'ZTIME_SPENT2' IN UPDATE TASKEXPORTINGiv_time = 2.SET UPDATE TASK LOCAL.COMMIT WORK.PERFORM main.WRITE: / 'finish'.FORM main.WAIT UP TO 1 SECONDS. ENDFORM.

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