Class Reference
IRIS for UNIX 2019.3
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  [%SYS] >  [%Library] >  [ConstraintForeignKey]
Private  Storage   

class %Library.ConstraintForeignKey extends %ConstraintAbstract


Parameters Properties Methods Queries Indices ForeignKeys Triggers


Check Delete Update


• classmethod Check(lockonly As %Boolean = 0) as %Status
Method to Check foreign key for existence. If lock is TRUE then the object referenced by the key value is also locked. If the reference does not exist or, if locking is requested and the lock fails then an error message is returned.
• classmethod Delete() as %Status
• classmethod Update() as %Status

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