重新学习一下ABAP里面的逻辑数据库
邏輯數(shù)據(jù)常常要與 “START-OF-SELECTION"連合著一起使用。 ?
NODES: spfli,sflight,sbook.
DATA:weight TYPE i.
START-OF-SELECTION.
? WRITE: 'GET Eevent Testing'.
GET spfli. ? " ?取spfli 里面的一行數(shù)據(jù)。
*? SKIP.
? WRITE: / 'From:',spfli-cityfrom,'To:',spfli-cityto.
GET sflight.
? FORMAT COLOR COL_NEGATIVE INVERSE ON.
? WRITE: / 'Carrid:',sflight-carrid,'Connid:',sflight-connid.
*? FORMAT COLOR OFF.
? ULINE.
GET sflight LATE.
? FORMAT COLOR COL_POSITIVE INVERSE ON.
? WRITE: / 'Total luggage weight =',weight.
? ULINE.
? weight = 0.
GET sbook.
? FORMAT COLOR COL_TOTAL INVERSE ON.
?WRITE: / 'Fldate:',sflight-fldate,'Boolid:',sbook-bookid,'Luggweight:',
?sbook-luggweight.
ldbname:邏輯數(shù)據(jù)庫名稱
callback:邏輯數(shù)據(jù)庫的NODE對(duì)應(yīng)的處理函數(shù)
selections:調(diào)用邏輯數(shù)據(jù)庫的輸入條件
相關(guān)幫助:
Structure of Logical Databases
Calling a Logical Database Using a Function Module
Independent Calls and the Database Program
總結(jié)
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