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https://issues.apache.org/jira/browse/ATLAS-1955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16137157#comment-16137157
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Richard Ding commented on ATLAS-1955:
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[~davidrad] and [~mandy_chessell] suggested using _PrimitiveDefs_ instead of
_attributeTypeDefs_. I think it is a better name for custom data types.
> Validation for Attributes
> -------------------------
>
> Key: ATLAS-1955
> URL: https://issues.apache.org/jira/browse/ATLAS-1955
> Project: Atlas
> Issue Type: New Feature
> Components: atlas-core
> Affects Versions: 0.9-incubating
> Reporter: Israel Varea
> Assignee: Richard Ding
> Fix For: 0.9-incubating
>
>
> It would be very nice that Atlas model could contain a way to represent
> attribute validation.
> A simple example is that we would like to model a Person, with attributes
> Name, Email and Country. Now we would like to specify that Email has to
> follow a specific regular expression, so it would be nice if we could set
> Email -> hasValidation -> EmailRegex, with EmailRegex having:
> Name: Email Regular Expresion
> Expression: /[0-9a-z]+@[0-9a-z]+.[0-9a-z]+/
> For more complex types of validation, e.g. checking card number validity, it
> could be added some external validator function/service.
> Name: Credit Card Number Validator
> Validator: org.apache.atlas.validators.creditcard or
> https://host:port/creditCardValidator
> For validations from a reference table, for example a country name, it could
> be:
> Name: Country Name Ref Validator
> Reference Column: <country_name_column>
> where <country_name_column> would be an instance of type Hive_Column or
> HBase_Column.
> Since this is a kind of Standarization, it could be placed in [Area
> 5|https://cwiki.apache.org/confluence/display/ATLAS/Area+5+-+Standards].
> A similar approach is followed in software
> [Kylo|https://github.com/Teradata/kylo/tree/master/integrations/spark/spark-validate-cleanse]
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