READ命令使用顺序查找数据表,这会降低处理速度。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
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
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...
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 Testing and Analysis before using BINARy SEARCH the internal table must be SORTed on the fields which we are using in READ statement. Now binary search looks the middle record in the internal table. if the KEY is less than the middle record then it will take first...
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 hi, binary search will always return the first record in the internal table matching the search criteria. you can sort table by char or number or numeric fields and binary search will always return the first record if there are duplicates Reply Former Membe...
A binary search is an algorithm that allows you to find a specific value within a sorted list of data. The algorithm works by repeatedly dividing the search interval in half until the target value is found. This makes binary search an efficient way to search large data sets. ...
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