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ISqlExpressionFactory.Coalesce Yöntem

Tanım

CoalESCE işlemini temsil eden bir SqlFunctionExpression oluşturur.

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

Parametreler

left
SqlExpression

Sol işlenen.

right
SqlExpression

Doğru işlenen.

typeMapping
RelationalTypeMapping

Oluşturulan ifadeye atanacak tür eşlemesi.

Döndürülenler

SQL COALESCE işlemini temsil eden ifade.

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