IndexBuilder.IsUnique(Boolean) Method

  • Reference

Definition

Namespace:
Microsoft.EntityFrameworkCore.Metadata.Builders
Assembly:
Microsoft.EntityFrameworkCore.dll
Package:
Microsoft.EntityFrameworkCore v1.0.6
Package:
Microsoft.EntityFrameworkCore v1.1.6
Package:
Microsoft.EntityFrameworkCore v2.0.3
Package:
Microsoft.EntityFrameworkCore v2.1.11
Package:
Microsoft.EntityFrameworkCore v2.2.6
Package:
Microsoft.EntityFrameworkCore v3.0.0
Package:
Microsoft.EntityFrameworkCore v3.1.0
Package:
Microsoft.EntityFrameworkCore v5.0.0
Package:
Microsoft.EntityFrameworkCore v6.0.0
Package:
Microsoft.EntityFrameworkCore v7.0.0
Package:
Microsoft.EntityFrameworkCore v8.0.0

Configures whether this index is unique (i.e. the value(s) for each instance must be unique).

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.IndexBuilder IsUnique (bool unique = true);
abstract member IsUnique : bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IndexBuilder
override this.IsUnique : bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IndexBuilder
Public Overridable Function IsUnique (Optional unique As Boolean = true) As IndexBuilder

Parameters

unique
Boolean

A value indicating whether this index is unique.

Returns

IndexBuilder

The same builder instance so that multiple configuration calls can be chained.

Applies to