Add an advanced aggregator to apply conditions and expressions to aggregate data on columns. Edit an advanced aggregator to modify the conditions, expressions, and group by columns.
From the Actions menu, click
Edit
Aggregator
.
The
Edit Mapping Specification
wizard appears.
Choose to add or edit an aggregator.
To add an aggregator, click the
New
icon.
To edit an aggregator, click the
Edit
icon.
To add or edit an advanced editor, click
Advanced
.
On the
Functions and Conditions
panel, click the
Add Condition
icon.
Select a target column name.
On the
Functions
tab, select a function, click the arrow icon, and select a column to add the function to the Expression editor.
Optionally, on the
Rules
tab, select a column and datatype and click the arrow icon to add the rule column to the Expression editor.
Optionally, on the
Lookup
tab, select a column and datatype and click the arrow icon to add the Lookup column to the Expression editor.
Click
OK
and then click
Next
.
Optionally, on the
Columns
panel, select the columns you want to group together to perform aggregate calculations on groups of columns.
To select multiple columns press the Shift or Ctrl key and click each column.
Click the arrow icon to add the columns to the
Group by
panel.
Optionally, on the
Data Preview
panel, click
Show
to preview the data that is grouped together based on matching values in the group by columns.