integer NO_ACTION
public isThrough () Check whether the relation is a ‘many-to-many’ relation or not
public isReusable () Check if records returned by getting belongs-to/has-many are implicitly cached during the current request
public isForeignKey () Check whether the relation act as a foreign key
integer HAS_ONE_THROUGH
integer HAS_ONE
integer HAS_MANY_THROUGH
integer HAS_MANY
public getType () Returns the relation type
public getReferencedModel () Returns the referenced model
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