CONSTRAINTS ( Collection of CONSTRAINTs )

Represents a constraint expression used to validate input or derived values within an AiSQL rule or model.

Properties of CONSTRAINT

Name	Type	Description
Target	enumCONSTRAINTTargets	Specifies whether the constraint applies to input values or derived data.
Field	STRING	The field or feature name being evaluated by the constraint.
Operator	enumOperator	The comparison operator used to evaluate the constraint.
Value	AISQLEXPRESSION	The value or expression against which the field is evaluated.
Action	enumConstraintActions	The action executed when the constraint evaluation fails.

Syntax

	
CONSTRAINTS 
            <Target> <Field> <Operator> <Value> [ON_FAIL <Action>]

Examples

	
MODULE
    MODEL
        CONSTRAINTS 
                INPUT_TARGET Age > 18

	
MODULE
    MODEL
        CONSTRAINTS 
                DATA_TARGET RiskScore >= 0.75 ON_FAIL REJECT