KeyAction enum

A KeyAction can be used on a BuildColumn.references clause to describe how updates and deletes to a referenced table should propagate in your database.

By default, KeyAction.noAction will be used. For details, see the sqlite3 documentation.

Inheritance

• Object
• Enum
• KeyAction

Constructors

KeyAction()

const

Values

setNull → const KeyAction

Set the column to null when the referenced column changes.

setDefault → const KeyAction

Set the column back to its default value when the referenced column changes.

cascade → const KeyAction

Propagate updates and deletes into referencing rows.

restrict → const KeyAction

Forbid deleting or updating the referenced column in a database if there are children pointing towards it.

noAction → const KeyAction

No special action is taken when the parent key is modified or deleted from the database.

Properties

hashCode → int

The hash code for this object.

read-only, inherited

index → int

A numeric identifier for the enumerated value.

read-only, inherited

runtimeType → Type

A representation of the runtime type of the object.

read-only, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Constants

values → const List<KeyAction>

A constant List of the values in this enum, in order of their declaration.

[setNull, setDefault, cascade, restrict, noAction]