QueryableMethodTranslatingExpressionVisitor.TranslateDefaultIfEmpty Method
Definition
Important
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Translates DefaultIfEmpty<TSource>(IQueryable<TSource>) method and other overloads over the given source.
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.ShapedQueryExpressionProtected MustOverride Function TranslateDefaultIfEmpty (source As ShapedQueryExpression, defaultValue As Expression) As ShapedQueryExpressionParameters
- source
- ShapedQueryExpression
The shaped query on which the operator is applied.
- defaultValue
- Expression
The default value to use.
Returns
The shaped query after translation.
Applies to
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Entity Framework