Posted: Thu Dec 20, 2007 10:21 pm Post subject: Generating a number range automatically
Generating a Number Range automatically Developing class: SZN
If you need a unique key in a table or a sequential number for any other purpose, you can use a range object .
Ranges are maintained in transaction SNRO
After maintaining the first screen you have to maintain the intervals by clicking the button "number ranges"
This information is stored in tables :
- TNRO Definition of number range objects
- NRIV Number range intervals. Note: Field NRLEVEL Contains the last assigned number.
In your program you read the next number by using the function NUMBER_GET_NEXT
Each time you call NUMBER_GET_NEXT the number is automatically increased.
You can also create the number range in your program instead of using SNRO with the functions:
NUMBER_RANGE_INTERVAL_LIST : verify if a number range already exist
NUMBER_RANGE_ENQUEUE : lock the specifier number range
NUMBER_RANGE_INTERVAL_UPDATE : create the number range
NUMBER_RANGE_UPDATE_CLOSE : commit changes
NUMBER_RANGE_DEQUEUE : unlock
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