In this screen you can register and edit aggregation methods. Open Form
An aggregation method is an allocation of days in a time range in summaries. An example:
•Today: today.
•Last week: 1 till 7 days ago.
•Last month: 1 till 30 days ago.
•etc.
The meaning of the entry fields is:
Code |
The code with which is refered to the aggregation method. |
Description |
The description of the aggregation method. |
#Units |
The number of units to be aggregated. |
Unit of Time |
The time unit over which the aggregation takes place. |
Label Expression |
SQL expression that calculates the first day in the period. All variables of type ‘: start_date’ will be replaced by the first day in the period. They are summed for all times after the previous period specification. For example: •2 days --> day 0 till 2. •7 days --> day 2 till 7. •1 month --> day 7 till the end of the month which contains day 7. |