ColumnConstraint class abstract base

A column constraint modifies a column to add e.g. a not-null requirement, foreign keys, checks or additional information.

Implemented types

• SqlComponent

Constructors

ColumnConstraint.custom(CustomComponent custom, {KnownSqlDialect? onlyOnDialect})

Creates a column constraint generating dialect-specific SQL.

const

factory

ColumnConstraint.customSql(String sql)

Creates a column constraint from its sql text.

factory

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

compileWith(StatementCompiler compiler) → void

Compiles this component with the given StatementCompiler by invoking the relevant add method on it.

inherited

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