The preview window shows for each row how many groups passed or failed and how many rules passed or failed. Because rules and groups can be connected using "and" and "or", it may happen that some rules fail but the group as a whole passes. Based on the results of the rules you can apply one or many actions to the row, such as updating a field or calculating something and applying it to another field.
Below you see the output (preview) of a transformation running the rule engine. The input data is a list of airports, their names and elevations. In the background you see a rule group with two rules. They are connected with an "and" condition. The first one checks that the Field_001 (first field in the csv file) does not equal "KABI" and the second rule checks that the elevation - Field_002 - of the airport is greater or equal to zero.
The preview window shows for each row how many groups passed or failed and how many rules passed or failed. Because rules and groups can be connected using "and" and "or", it may happen that some rules fail but the group as a whole passes. Based on the results of the rules you can apply one or many actions to the row, such as updating a field or calculating something and applying it to another field.
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AuthorUwe Geercken Categories
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September 2020
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