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QueryableMethodTranslatingExpressionVisitor.TranslateDefaultIfEmpty Metode

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Definisi

Ruang nama:
Microsoft.EntityFrameworkCore.Query
Rakitan:
Microsoft.EntityFrameworkCore.dll
Paket:
Microsoft.EntityFrameworkCore v3.0.0
Paket:
Microsoft.EntityFrameworkCore v3.1.0
Paket:
Microsoft.EntityFrameworkCore v5.0.0
Paket:
Microsoft.EntityFrameworkCore v6.0.0
Paket:
Microsoft.EntityFrameworkCore v7.0.0
Paket:
Microsoft.EntityFrameworkCore v8.0.0

Menerjemahkan DefaultIfEmpty<TSource>(IQueryable<TSource>) metode dan kelebihan beban lainnya atas sumber yang diberikan.

protected abstract Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression TranslateDefaultIfEmpty (Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression source, System.Linq.Expressions.Expression defaultValue);
protected abstract Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression? TranslateDefaultIfEmpty (Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression source, System.Linq.Expressions.Expression? defaultValue);
abstract member TranslateDefaultIfEmpty : Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression * System.Linq.Expressions.Expression -> Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression
Protected MustOverride Function TranslateDefaultIfEmpty (source As ShapedQueryExpression, defaultValue As Expression) As ShapedQueryExpression

Parameter

source
ShapedQueryExpression

Kueri berbentuk tempat operator diterapkan.

defaultValue
Expression

Nilai default yang akan digunakan.

Mengembalikan

ShapedQueryExpression

Kueri berbentuk setelah terjemahan.

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