在ABAP中找到两个数据集的差异? [英] Find a difference of two datasets in ABAP?

问题描述

我有一组值:foo"、bar"、blue".

I have a set of values: "foo", "bar", "blue".

我有一张看起来像这样的表格:

I have a table which looks like this:

ID | my_col
-----------
 1 | foo
 2 | bar

我想要设置值减去所有可用的 my_col 值.

I want the set values minus all available my_col values.

[foo, bar, blue] 减去 [foo, bar]

[foo, bar, blue] minus [foo, bar]

结果应该是蓝色".

如何在 ABAP 中执行此操作?

How to do this in ABAP?

推荐答案

给你...

REPORT YYY.

TYPES string_table TYPE HASHED TABLE OF string WITH UNIQUE KEY TABLE_LINE.

DATA(gt_set1) = VALUE string_table( ( `foo` ) ( `bar` ) ( `blue` ) ).
DATA(gt_set2) = VALUE string_table( ( `foo` ) ( `bar` ) ).

DATA(gt_set1_except_set2) = FILTER string_table( gt_set1 EXCEPT IN gt_set2 WHERE table_line = table_line ).

但仅适用于 HASHED 和 SORTED 表.

Works however only with HASHED and SORTED tables.

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