Constraint

interface Constraint

Methods

listConstraints

Retrieves a list of constraints for a given table or all tables in the schema.

public listConstraints(?string $table, ?string $type, bool $invertType, false $): void

Parameters

Parameter	Type	Description
$table	string
$type	string
$invertType	bool
$	false

addConstraint

List all constraints for a table.

public addConstraint(string $constraintName, array $info): bool

Parameters

Parameter	Type	Description
$constraintName	string
$info	array

dropConstraint

Drop a constraint from a table.

public dropConstraint(string $constraintName, string $tableName, bool $ifExists, bool $cascade): bool

Parameters

Parameter	Type	Description
$constraintName	string
$tableName	string
$ifExists	bool
$cascade	bool

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Generated by Hazaar API Doc Generator on Tue, 21 Apr 2026 04:00:25 +0000