If theprimary table keyis used to access astandard tableand the key isempty, the first line of the internal table is deleted. If this is known statically, the syntax check produces a warning. 如果使用了primary table key这个东西,但是key又是空的,那么内表的第一条会被删掉,同时给你抛一个警告...
DELETE TABLE itab WITH TABLE KEY k1=v1...kn=vn.:按具体值删除。 DELETE TABLE itab [FROM wa].:参照其它内表值删除。 DELETE itab INDEX idx.:删除具体行数据。 DELETE itab FROM idx1 TO idx2.:删除具体行数范围间数据。 DELETE ADJACENT DUPLICATES FROM itab.:删除重复数据,执行此条件前必须先...
DELETE TABLE itab WITH TABLE KEY k1=v1...kn=vn.:按具体值删除。 DELETE TABLE itab [FROM wa].:参照其它内表值删除。 DELETE itab INDEX idx.:删除具体行数据。 DELETE itab FROM idx1 TO idx2.:删除具体行数范围间数据。 DELETE ADJACENT DUPLICATES FROM itab.:删除重复数据,执行此条件前必须先...
DELETE FROM{{MEMORY ID id} |{DATABASE dbtab(ar)[CLIENT cl]ID id} |{SHARED MEMORY dbtab(ar)[CLIENT cl]ID id} |{SHARED BUFFER dbtab(ar)[CLIENT cl]ID id}}. Effect This statement deletes adata clusterstored in theABAP memory, in a database table, or in across-transaction application...
14, 使用效率比较高的COLLECT, DELETE ADJACENT DUPLICATES FROM语句。 15, 使用高效的CONTEXT SQL语句.如以下代码2比代码1要快10倍以上! 代码1: SELECT * FROM SBOOK INTO SBOOK_WA UP TO 10 ROWS. SELECT SINGLE AIRPFROM AIRPTO INTO (AP1, AP2) ...
This is the most appropriate type if you are going to address the individual table entries using the index. Index access is the quickest possible access. You should fill a standard table by appending lines (ABAP APPEND statement), and read, modify and delete entries by specifying the index (...
--建立一个internal table.内表. DATA itab LIKE SORTED TABLE OF waa WITH UNIQUE KEY fldate carrname connid. --多表连接查询. SELECT c~carrname p~connid f~fldate INTO CORRESPONDING FIELDS OF TABLE itab FROM ( ( scarr AS c INNER JOIN spfli AS p ON p~carrid = c~carrid ...
问将ABAP内部表拆分为较小部分的最短表示法EN在变量名开头包含指出变量类型的字符。这种约定被称为匈牙利...
11、正确地使用MOVE语句 Instead of using the move-corresponding clause it is advisable to use the move statement instead. Attempt should be made to move entire internal table headers in a single shot, rather than moving the fields one by one. ...
1. "INDEX idx" for specifying the line number in the table "\FUNCTION=TR_READ_AND_DISPLAY_LOG\DATA=LT_LINES" where you want to change, insert or delete. 2. "FROM idx" for specifying the start index when deleting a line area from or inserting a line area into the table ...