QueryableMethods Třída

Definice

Obor názvů:

Microsoft.EntityFrameworkCore.Query

Sestavení:

Microsoft.EntityFrameworkCore.dll

Balíček:

Microsoft.EntityFrameworkCore v10.0.0

Zdroj:

QueryableMethods.cs

Třída, která poskytuje metadata reflexe pro translatovatelné metody LINQ.

[System.Runtime.CompilerServices.Nullable(0)]
public static class QueryableMethods

[<System.Runtime.CompilerServices.Nullable(0)>]
type QueryableMethods = class

Public Class QueryableMethods

Dědičnost

Object

QueryableMethods

Atributy

NullableAttribute

Poznámky

Další informace a příklady najdete v tématu Implementace poskytovatelů databází a rozšíření a jak fungují dotazy EF Core .

Vlastnosti

Název	Description
All	The MethodInfo for All<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
AnyWithoutPredicate	The MethodInfo for Any<TSource>(IQueryable<TSource>)
AnyWithPredicate	The MethodInfo for Any<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
AsQueryable	The MethodInfo for AsQueryable<TElement>(IEnumerable<TElement>)
Cast	The MethodInfo for Cast<TResult>(IQueryable)
Concat	The MethodInfo for Concat<TSource>(IQueryable<TSource>, IEnumerable<TSource>)
Contains	The MethodInfo for Contains<TSource>(IQueryable<TSource>, TSource)
CountWithoutPredicate	The MethodInfo for Count<TSource>(IQueryable<TSource>)
CountWithPredicate	The MethodInfo for Count<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
DefaultIfEmptyWithArgument	The MethodInfo for DefaultIfEmpty<TSource>(IQueryable<TSource>, TSource)
DefaultIfEmptyWithoutArgument	The MethodInfo for DefaultIfEmpty<TSource>(IQueryable<TSource>)
Distinct	The MethodInfo for Distinct<TSource>(IQueryable<TSource>)
ElementAt	The MethodInfo for ElementAt<TSource>(IQueryable<TSource>, Int32)
ElementAtOrDefault	The MethodInfo for ElementAtOrDefault<TSource>(IQueryable<TSource>, Int32)
Except	The MethodInfo for Except<TSource>(IQueryable<TSource>, IEnumerable<TSource>)
FirstOrDefaultWithoutPredicate	The MethodInfo for FirstOrDefault<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
FirstOrDefaultWithPredicate	The MethodInfo for FirstOrDefault<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
FirstWithoutPredicate	The MethodInfo for First<TSource>(IQueryable<TSource>)
FirstWithPredicate	The MethodInfo for First<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
GroupByWithKeyElementResultSelector	The MethodInfo for GroupBy<TSource,TKey,TElement,TResult>(IQueryable<TSource>, Expression<Func<TSource, TKey>>, Expression<Func<TSource,TElement>>, Expression<Func<TKey, IEnumerable<TElement>,TResult>>)
GroupByWithKeyElementSelector	The MethodInfo for GroupBy<TSource,TKey,TElement>(IQueryable<TSource>, Expression<Func<TSource,TKey>>, Expression<Func<TSource,TElement>>)
GroupByWithKeyResultSelector	The MethodInfo for GroupBy<TSource,TKey,TResult>(IQueryable<TSource>, Expression<Func<TSource,TKey>>, Expression<Func<TKey,IEnumerable<TSource>,TResult>>)
GroupByWithKeySelector	The MethodInfo for GroupBy<TSource,TKey>(IQueryable<TSource>, Expression<Func<TSource,TKey>>)
GroupJoin	The MethodInfo for GroupJoin<TOuter,TInner,TKey,TResult>(IQueryable<TOuter>, IEnumerable<TInner>, Expression<Func<TOuter,TKey>>, Expression<Func<TInner,TKey>>, Expression<Func<TOuter,IEnumerable<TInner>,TResult>>)
Intersect	The MethodInfo for Intersect<TSource>(IQueryable<TSource>, IEnumerable<TSource>)
Join	The MethodInfo for Join<TOuter,TInner,TKey,TResult>(IQueryable<TOuter>, IEnumerable<TInner>, Expression<Func<TOuter,TKey>>, Expression<Func<TInner,TKey>>, Expression<Func<TOuter,TInner,TResult>>)
LastOrDefaultWithoutPredicate	The MethodInfo for LastOrDefault<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
LastOrDefaultWithPredicate	The MethodInfo for LastOrDefault<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
LastWithoutPredicate	The MethodInfo for Last<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
LastWithPredicate	The MethodInfo for Last<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
LeftJoin	The MethodInfo for LeftJoin<TOuter,TInner,TKey,TResult>(IQueryable<TOuter>, IEnumerable<TInner>, Expression<Func<TOuter,TKey>>, Expression<Func<TInner,TKey>>, Expression<Func<TOuter,TInner,TResult>>)
LongCountWithoutPredicate	The MethodInfo for LongCount<TSource>(IQueryable<TSource>)
LongCountWithPredicate	The MethodInfo for LongCount<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
MaxWithoutSelector	The MethodInfo for Max<TSource,TResult>(IQueryable<TSource>, Expression<Func<TSource,TResult>>)
MaxWithSelector	The MethodInfo for Max<TSource>(IQueryable<TSource>)
MinWithoutSelector	The MethodInfo for Min<TSource,TResult>(IQueryable<TSource>, Expression<Func<TSource,TResult>>)
MinWithSelector	The MethodInfo for Min<TSource>(IQueryable<TSource>)
OfType	The MethodInfo for OfType<TResult>(IQueryable)
Order	The MethodInfo for Order<T>(IQueryable<T>)
OrderBy	The MethodInfo for OrderBy<TSource,TKey>(IQueryable<TSource>, Expression<Func<TSource,TKey>>)
OrderByDescending	The MethodInfo for OrderByDescending<TSource,TKey>(IQueryable<TSource>, Expression<Func<TSource,TKey>>)
OrderDescending	The MethodInfo for OrderDescending<T>(IQueryable<T>)
Reverse	The MethodInfo for Reverse<TSource>(IQueryable<TSource>)
RightJoin	The MethodInfo for RightJoin<TOuter,TInner,TKey,TResult>(IQueryable<TOuter>, IEnumerable<TInner>, Expression<Func<TOuter,TKey>>, Expression<Func<TInner,TKey>>, Expression<Func<TOuter,TInner,TResult>>)
Select	The MethodInfo for Select<TSource,TResult>(IQueryable<TSource>, Expression<Func<TSource,TResult>>)
SelectManyWithCollectionSelector	The MethodInfo for SelectMany<TSource,TCollection,TResult>(IQueryable<TSource>, Expression<Func<TSource, IEnumerable<TCollection>>>, Expression<Func<TSource,TCollection, TResult>>)
SelectManyWithoutCollectionSelector	The MethodInfo for SelectMany<TSource,TResult>(IQueryable<TSource>, Expression<Func<TSource,IEnumerable<TResult>>>)
SingleOrDefaultWithoutPredicate	The MethodInfo for SingleOrDefault<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
SingleOrDefaultWithPredicate	The MethodInfo for SingleOrDefault<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
SingleWithoutPredicate	The MethodInfo for Single<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
SingleWithPredicate	The MethodInfo for Single<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
Skip	The MethodInfo for Skip<TSource>(IQueryable<TSource>, Int32)
SkipWhile	The MethodInfo for SkipWhile<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
Take	The MethodInfo for Take<TSource>(IQueryable<TSource>, Int32)
TakeWhile	The MethodInfo for TakeWhile<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
ThenBy	The MethodInfo for ThenBy<TSource,TKey>(IOrderedQueryable<TSource>, Expression<Func<TSource,TKey>>)
ThenByDescending	The MethodInfo for ThenByDescending<TSource,TKey>(IOrderedQueryable<TSource>, Expression<Func<TSource,TKey>>)
Union	The MethodInfo for Union<TSource>(IQueryable<TSource>, IEnumerable<TSource>)
Where	The MethodInfo for Where<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)

Metody

Název	Description
GetAverageWithoutSelector(Type)	Vrátí pro metodu MethodInfoQueryable.Average bez selektoru pro daný typ.
GetAverageWithSelector(Type)	MethodInfo Vrátí pro metodu Queryable.Average selektorem pro daný typ.
GetSumWithoutSelector(Type)	Vrátí pro metodu MethodInfoQueryable.Sum bez selektoru pro daný typ.
GetSumWithSelector(Type)	MethodInfo Vrátí pro metodu Queryable.Sum selektorem pro daný typ.
IsAverageWithoutSelector(MethodInfo)	Zkontroluje, jestli je daná MethodInfo položka jedním z Queryable.Average bez selektoru.
IsAverageWithSelector(MethodInfo)	Zkontroluje, jestli je daná MethodInfo položka jedním ze selektoru Queryable.Average .
IsSumWithoutSelector(MethodInfo)	Zkontroluje, jestli je daná MethodInfo položka jedním z Queryable.Sum bez selektoru.
IsSumWithSelector(MethodInfo)	Zkontroluje, jestli je daná MethodInfo položka jedním ze selektoru Queryable.Sum .