取而代之,使用binary search的附加命令,可以使用二分查找算法,可以帮助加快内表查找速度。 在使用binary search之前必须首先将内表排序,否则有可能找不到记录,因为二分查找反复将查找区间对半划分,如果要查找的值小于查找区间的中间位置的数据项值,则查找区间将缩小到前半个区间,否则查找将局限于后半区间。要了解更多...
取而代之,使用binary search的附加命令,可以使用二分查找算法,可以帮助加快内表查找速度。 在使用binary search之前必须首先将内表排序,否则有可能找不到记录,因为二分查找反复将查找区间对半划分,如果要查找的值小于查找区间的中间位置的数据项值,则查找区间将缩小到前半个区间,否则查找将局限于后半区间。要了解更多...
read之前一定要排序,按照read的KEY字段进行排序,否则就可能取不到。 READ 不加BINARY SEARCH的取数逻辑, 其实是取第一笔数据
SAP Managed Tags: ABAP Testing and Analysis Hi, Note: The standard table must be sorted in ascending order by the specified search key. The BINARY SEARCH addition means that you can access an entry in a standard table by its key as quickly as you would be able to in a sorted table....
SAP Managed Tags: ABAP Development Hi Balu, If you read entries from standard tables using a key other than the default key, you can use a binary search instead of the normal linear search. To do this, include the addition BINARY SEARCH in the corresponding READ statements. READ TABLE ...
SAP Managed Tags: ABAP Development, ABAP Extensibility, ABAP Testing and Analysis I was experimenting on binary search. I found that binary search is perfectly working on ascending order internal table, but does not work in descending order internal table. Why binary search does not support desce...
SAP Managed Tags: ABAP Development Binary search always use divide and conquer method: So ex: Field1 Field2 Field3 ZX BC ZA XY DE YH ZA AA ZA After Sort on Field1 Field2 Field3 result will be: XY DE YH ZA AA ZA ZX BC ZA If we dont use Field on in read the result will not...
SAP Managed Tags: ABAP Development If you read entries from standard tables using a key other than the default key, you can use a binary search instead of the normal linear search. To do this, include the addition BINARY SEARCH in the corresponding READ statements. READ TABLE WITH KEY ...
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