Dell PowerConnect W Clearpass 100 Software 3.7 Deployment Guide - Page 259

Source Filters, Create Source Field, Range, Match

Page 259 highlights

If you select to calculate a value by summing over source fields, you are required to nominate the fields to be summed. Click the Create Source Field button to create the source or derived field in the report. Source Filters Source filters are applied to the data source fields to determine whether a data record will be included for processing in the report. The statistics, metrics and output data of the report can only be generated from source data that has passed through the source filters. You should define source filters to specify what parts of the input data you are interested in. The first source filter has a special property. When a report is run, the time range for the report is calculated and is set as the minimum and maximum values for the range of the first source filter. This allows the time range for a particular report to be easily specified when a report is run (for example, by selecting the "last month" option for the report range). When running a report, you can also select specific date and time values for the start and end of the report, which will become the minimum and maximum values for the first source filter. You should ensure that the first source filter is applied to a time field, in order to maintain this expected behavior of the report. The remaining source filters are ordered, which means these filters will always be applied in the same order to each data record. You can reorder the filters to obtain precise control over exactly which data will be included in the report. Source filters are of three basic kinds:  Range filters check to see if the data value falls within a certain range.  Match filters check if the data value matches a particular condition, which could be a regular expression or other match value.  List filters check to see if the data value is found in a list. As one of the selected fields is a date/time field, this is automatically set as the first source filter for you. Amigopod 3.7 | Deployment Guide Report Management | 259

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Amigopod 3.7
| Deployment Guide
Report Management
|
259
If you select to calculate a value by summing over source fields, you are required to nominate the fields to
be summed.
Click the
Create Source Field
button to create the source or derived field in the report.
Source Filters
Source filters are applied to the data source fields to determine whether a data record will be included for
processing in the report. The statistics, metrics and output data of the report can only be generated from
source data that has passed through the source filters.
You should define source filters to specify what parts of the input data you are interested in.
The first source filter has a special property. When a report is run, the time range for the report is calculated
and is set as the minimum and maximum values for the range of the first source filter. This allows the time
range for a particular report to be easily specified when a report is run (for example, by selecting the “last
month” option for the report range). When running a report, you can also select specific date and time
values for the start and end of the report, which will become the minimum and maximum values for the first
source filter.
You should ensure that the first source filter is applied to a time field, in order to maintain this expected
behavior of the report.
The remaining source filters are ordered, which means these filters will always be applied in the same order
to each data record.
You can reorder the filters to obtain precise control over exactly which data will be included in the report.
Source filters are of three basic kinds:
Range
filters check to see if the data value falls within a certain range.
Match
filters check if the data value matches a particular condition, which could be a regular
expression or other match value.
List
filters check to see if the data value is found in a list.
As one of the selected fields is a date/time field, this is automatically set as the first source filter for you.