ISqlExpressionFactory.Coalesce Método

  • Referência

Definição

Namespace:
Microsoft.EntityFrameworkCore.Query
Assembly:
Microsoft.EntityFrameworkCore.Relational.dll
Pacote:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v8.0.0

Cria um SqlFunctionExpression que representa uma operação COALESCE.

public 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 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 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
abstract member Coalesce : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFunctionExpression
Public Function Coalesce (left As SqlExpression, right As SqlExpression, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlBinaryExpression
Public Function Coalesce (left As SqlExpression, right As SqlExpression, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlFunctionExpression

Parâmetros

left
SqlExpression

O operando esquerdo.

right
SqlExpression

O operando direito.

typeMapping
RelationalTypeMapping

Um mapeamento de tipo a ser atribuído à expressão criada.

Retornos

SqlBinaryExpression
SqlFunctionExpression

Uma expressão que representa uma operação SQL COALESCE.

Aplica-se a