SqlExpressionFactory.Coalesce Méthode

Référence

Définition

Espace de noms:: Microsoft.EntityFrameworkCore.Query

Assembly:: Microsoft.EntityFrameworkCore.Relational.dll

Paquet:: Microsoft.EntityFrameworkCore.Relational v3.0.0

Paquet:: Microsoft.EntityFrameworkCore.Relational v3.1.0

Paquet:: Microsoft.EntityFrameworkCore.Relational v5.0.0

Paquet:: Microsoft.EntityFrameworkCore.Relational v6.0.0

Paquet:: Microsoft.EntityFrameworkCore.Relational v7.0.0

Paquet:: Microsoft.EntityFrameworkCore.Relational v8.0.0

Important

Certaines informations portent sur la préversion du produit qui est susceptible d’être en grande partie modifiée avant sa publication. Microsoft exclut toute garantie, expresse ou implicite, concernant les informations fournies ici.

Crée un SqlFunctionExpression qui représente une opération COALESCE.

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlBinaryExpression Coalesce (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression left, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression right, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Coalesce (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression left, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression right, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression Coalesce (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression left, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression right, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);

abstract member Coalesce : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlBinaryExpression
override this.Coalesce : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlBinaryExpression

abstract member Coalesce : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
override this.Coalesce : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression

Public Overridable Function Coalesce (left As SqlExpression, right As SqlExpression, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlBinaryExpression

Public Overridable Function Coalesce (left As SqlExpression, right As SqlExpression, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression