DELETE ADJACENT DUPLICATES FROM 是ABAP 编程语言中用于从内表中删除相邻重复记录的语句。这条语句通常与 COMPARING 关键字一起使用,以指定基于哪些字段来判断记录是否重复。以下是对 DELETE ADJACENT DUPLICATES FROM COMPARING 的详细解释: 基本语法: abap DELETE ADJACENT DUPLICATES FROM <itab> [COMPARING ...
1, 在ABAP开发中, 我们经常会删除内表中的重复行,这时我们会需要一个很方便的语句,就是DELETEADJACENTDUPLICATES FROM,但是在使用这个语句,要注意它删除相邻的重复行,我们一般要通过SORT对这个语句进行排序,示例如下: DATA: BEGIN OF wa_pa0001, pernr LIKE pa0001-pernr, uname LIKE pa0001-uname, bukrs LIKE ...
ABAP 删除内表重复数据 内表要进行排序 然后删除重复行 SORT <内表> BY <字段> [ascending/descending]. DELETE ADJACENT DUPLICATES FROM <内表> COMPARING ALL FIELDS...MySql表中的表名有关键字,如何处理 一个数据库中,含有关键字的的表名,在调用sql语句的时候,会出现问题,解决方法: 在关键字表名中加...
DELETE ADJACENT DUPLICATES FROM 语句,我们知道他的基本功能是:删除相邻行的重复数据。 但是他最终保留哪一行数据呢? 下面看看一个Demo: DATA : BEGIN OF itab OCCURS 0, vbeln TYPE lips-vbeln, &n...查看原文EDITOR-CALL语句的使用:修改abap内表的内容 DATA: BEGIN OF ITAB OCCURS 0, TEXT(100), ...
SAP ABAP delete adjacent duplicates 坑 前一段时间调试一个程序的,半天没发现问题在哪里,经过测试才发现 delete adjacent duplicates from itab 和 delete adjacent duplicates from itab comparing all fields还是有区别的: 前者相邻两行数据,如果除金额字段以外的其他字段都相同,则去重复删除其中一行;...
SAP Managed Tags: ABAP Development Hi, I have an ABAP internal table with four fields f1 f2 f3 f4 that i am deleting adjacent duplicates from. However for each line that i delete i wish to know how many lines were deleted (i.e. how many f4's there were). Anyone know how i could...
FINAL(rnd) = cl_abap_random_int=>create( seed = t min = 1 max = 10 ). itab = VALUE #( FOR i = 1 UNTIL i > 100 ( rnd->get_next( ) ) ). DELETE ADJACENT DUPLICATES FROM itab USING KEY skey. Addition 2 Effect If the additionCOMPARINGis specified, the groups are determined ...
DELETE - duplicates Syntax ... ADJACENT DUPLICATES FROM itab [COMPARING { comp1 comp2 ...}|{ALL FIELDS}]... . Addition: ... COMPARING {comp1 comp2 ...}|{ALL FIELDS} Effect With these additions, the statement DELETE deletes all lines in certain groups of lines, except for the firs...
delete adjacent duplicates from 内表名 comparing 字段1 字段2 . 1. 2. 3. 如果不写comparing 及后面的字段,则是所有字段均进行比较可以理解distinct . 增加了字段则是说只针对对应数据进行数据去重. 实际案例 数据准备 TABLES : ZWDEMOTABLE1 .
DELETE ADJACENT DUPLICATES FROM ITAB COMPARING ALL FIELDS 定义non-unique字段方式如下: DATA ITAB LIKE STANDARD TABLE OF LINE WITH NON-UNIQUE KEY COL2. 2、如果有non-unique键,则在没有删除的比较条件时比较该key,删除相邻的重复项。 3、可以使用指定条件进行比较处理 COMPARING <f1> <f 2> ... ,此...