Lookups in Rules
Create lookups in rules
During rule implementation, when you select is from catalog item` or is not from catalog item, a lookup item is generated.
There are some configuration options you need to define:
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Select the catalog item and attribute for which you would like the lookup to be built.
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Click Select this attribute.
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Provide the following details for lookup creation:
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Duplicities handling:
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First: One duplicated value is permitted for each value in the lookup item. The one allowed duplicate is the first occurrence of the duplicated value.
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Omit: No duplicated values are accepted in lookup items.
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Accept: All duplicates are accepted and there is no limit to the number of repeated values in a lookup item.
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Matching values:
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Remove accents: If selected, removes all diacritic marks (accents).
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Remove repeated characters: If selected, removes repeated characters.
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Squeeze whitespaces: If selected, replaces repeated white space characters with a single space character.
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Upper case: If selected, converts all words to upper case.
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Supported characters: Define the supported characters using the format
[:letter:] [:number:].If defined, characters not contained in this set are removed or substituted. By default, all characters are supported (
[:all:]). -
Substitute with: Define a string to substitute any unsupported characters, if you have defined specific supported characters in Supported Characters.
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Select Confirm. The lookup build starts automatically and produces the lookup file which is used in the rule.
Lookup build will happen in the background – during this time you cannot publish or test the rule.
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On the rules screen, select Publish to publish and save the changes.
Your rule and lookup item have now been created. The lookup item is available in Data Quality > Lookup Items.
Use lookups in rules
If you want to use an existing lookup in rule conditions, use the options is from reference data and is not from reference data.
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