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

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-onlyinherited
index → int
A numeric identifier for the enumerated value.
read-onlyinherited
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent 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]