QueryableMethods Třída

Definice

Obor názvů:

Microsoft.EntityFrameworkCore.Query

Sestavení:

Microsoft.EntityFrameworkCore.dll

Balíček:

Microsoft.EntityFrameworkCore v8.0.0

Třída, která poskytuje metadata reflexe pro přeložitelné metody LINQ.

public static class QueryableMethods

type QueryableMethods = class

Public Class QueryableMethods

Dědičnost

Object

QueryableMethods

Poznámky

Další informace a příklady najdete v tématu Implementace zprostředkovatelů a rozšíření databází aJak fungují dotazy EF Core .

Vlastnosti

All	Pro MethodInfoAll<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
AnyWithoutPredicate	Pro MethodInfoAny<TSource>(IQueryable<TSource>)
AnyWithPredicate	Pro MethodInfoAny<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
AsQueryable	Pro MethodInfoAsQueryable<TElement>(IEnumerable<TElement>)
Cast	Pro MethodInfoCast<TResult>(IQueryable)
Concat	Pro MethodInfoConcat<TSource>(IQueryable<TSource>, IEnumerable<TSource>)
Contains	Pro MethodInfoContains<TSource>(IQueryable<TSource>, TSource)
CountWithoutPredicate	Pro MethodInfoCount<TSource>(IQueryable<TSource>)
CountWithPredicate	Pro MethodInfoCount<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
DefaultIfEmptyWithArgument	Pro MethodInfoDefaultIfEmpty<TSource>(IQueryable<TSource>, TSource)
DefaultIfEmptyWithoutArgument	Pro MethodInfoDefaultIfEmpty<TSource>(IQueryable<TSource>)
Distinct	Pro MethodInfoDistinct<TSource>(IQueryable<TSource>)
ElementAt	Pro MethodInfoElementAt<TSource>(IQueryable<TSource>, Int32)
ElementAtOrDefault	Pro MethodInfoElementAtOrDefault<TSource>(IQueryable<TSource>, Int32)
Except	Pro MethodInfoExcept<TSource>(IQueryable<TSource>, IEnumerable<TSource>)
FirstOrDefaultWithoutPredicate	Pro MethodInfoFirstOrDefault<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
FirstOrDefaultWithPredicate	Pro MethodInfoFirstOrDefault<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
FirstWithoutPredicate	Pro MethodInfoFirst<TSource>(IQueryable<TSource>)
FirstWithPredicate	Pro MethodInfoFirst<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
GroupByWithKeyElementResultSelector	Pro MethodInfoGroupBy<TSource,TKey,TElement,TResult>(IQueryable<TSource>, Expression<Func<TSource, TKey>>, Expression<Func<TSource,TElement>>, Expression<Func<TKey, IEnumerable<TElement>,TResult>>)
GroupByWithKeyElementSelector	Pro MethodInfoGroupBy<TSource,TKey,TElement>(IQueryable<TSource>, Expression<Func<TSource,TKey>>, Expression<Func<TSource,TElement>>)
GroupByWithKeyResultSelector	Pro MethodInfoGroupBy<TSource,TKey,TResult>(IQueryable<TSource>, Expression<Func<TSource,TKey>>, Expression<Func<TKey,IEnumerable<TSource>,TResult>>)
GroupByWithKeySelector	Pro MethodInfoGroupBy<TSource,TKey>(IQueryable<TSource>, Expression<Func<TSource,TKey>>)
GroupJoin	Pro MethodInfoGroupJoin<TOuter,TInner,TKey,TResult>(IQueryable<TOuter>, IEnumerable<TInner>, Expression<Func<TOuter,TKey>>, Expression<Func<TInner,TKey>>, Expression<Func<TOuter,IEnumerable<TInner>,TResult>>)
Intersect	Pro MethodInfoIntersect<TSource>(IQueryable<TSource>, IEnumerable<TSource>)
Join	Pro MethodInfoJoin<TOuter,TInner,TKey,TResult>(IQueryable<TOuter>, IEnumerable<TInner>, Expression<Func<TOuter,TKey>>, Expression<Func<TInner,TKey>>, Expression<Func<TOuter,TInner,TResult>>)
LastOrDefaultWithoutPredicate	Pro MethodInfoLastOrDefault<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
LastOrDefaultWithPredicate	Pro MethodInfoLastOrDefault<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
LastWithoutPredicate	Pro MethodInfoLast<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
LastWithPredicate	Pro MethodInfoLast<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
LongCountWithoutPredicate	Pro MethodInfoLongCount<TSource>(IQueryable<TSource>)
LongCountWithPredicate	Pro MethodInfoLongCount<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
MaxWithoutSelector	Pro MethodInfoMax<TSource,TResult>(IQueryable<TSource>, Expression<Func<TSource,TResult>>)
MaxWithSelector	Pro MethodInfoMax<TSource>(IQueryable<TSource>)
MinWithoutSelector	Pro MethodInfoMin<TSource,TResult>(IQueryable<TSource>, Expression<Func<TSource,TResult>>)
MinWithSelector	Pro MethodInfoMin<TSource>(IQueryable<TSource>)
OfType	Pro MethodInfoOfType<TResult>(IQueryable)
OrderBy	Pro MethodInfoOrderBy<TSource,TKey>(IQueryable<TSource>, Expression<Func<TSource,TKey>>)
OrderByDescending	Pro MethodInfoOrderByDescending<TSource,TKey>(IQueryable<TSource>, Expression<Func<TSource,TKey>>)
Reverse	Pro MethodInfoReverse<TSource>(IQueryable<TSource>)
Select	Pro MethodInfoSelect<TSource,TResult>(IQueryable<TSource>, Expression<Func<TSource,TResult>>)
SelectManyWithCollectionSelector	Pro MethodInfoSelectMany<TSource,TCollection,TResult>(IQueryable<TSource>, Expression<Func<TSource, IEnumerable<TCollection>>>, Expression<Func<TSource,TCollection, TResult>>)
SelectManyWithoutCollectionSelector	Pro MethodInfoSelectMany<TSource,TResult>(IQueryable<TSource>, Expression<Func<TSource,IEnumerable<TResult>>>)
SingleOrDefaultWithoutPredicate	Pro MethodInfoSingleOrDefault<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
SingleOrDefaultWithPredicate	Pro MethodInfoSingleOrDefault<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
SingleWithoutPredicate	Pro MethodInfoSingle<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
SingleWithPredicate	Pro MethodInfoSingle<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
Skip	Pro MethodInfoSkip<TSource>(IQueryable<TSource>, Int32)
SkipWhile	Pro MethodInfoSkipWhile<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
Take	Pro MethodInfoTake<TSource>(IQueryable<TSource>, Int32)
TakeWhile	Pro MethodInfoTakeWhile<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)
ThenBy	Pro MethodInfoThenBy<TSource,TKey>(IOrderedQueryable<TSource>, Expression<Func<TSource,TKey>>)
ThenByDescending	Pro MethodInfoThenByDescending<TSource,TKey>(IOrderedQueryable<TSource>, Expression<Func<TSource,TKey>>)
Union	Pro MethodInfoUnion<TSource>(IQueryable<TSource>, IEnumerable<TSource>)
Where	Pro MethodInfoWhere<TSource>(IQueryable<TSource>, Expression<Func<TSource,Boolean>>)

Metody

GetAverageWithoutSelector(Type)	Vrátí hodnotu MethodInfo pro metodu Queryable.Average bez selektoru pro daný typ.
GetAverageWithSelector(Type)	Vrátí hodnotu MethodInfo pro metodu Queryable.Average s selektorem pro daný typ.
GetSumWithoutSelector(Type)	Vrátí hodnotu MethodInfo pro metodu Queryable.Sum bez selektoru pro daný typ.
GetSumWithSelector(Type)	Vrátí hodnotu MethodInfo pro metodu Queryable.Sum s selektorem pro daný typ.
IsAverageWithoutSelector(MethodInfo)	Zkontroluje, jestli daná MethodInfo položka patří mezi selektory bez Queryable.Average .
IsAverageWithSelector(MethodInfo)	Zkontroluje, jestli MethodInfo daná položka patří mezi Queryable.Average selektory.
IsSumWithoutSelector(MethodInfo)	Zkontroluje, jestli daná MethodInfo položka patří mezi selektory bez Queryable.Sum .
IsSumWithSelector(MethodInfo)	Zkontroluje, jestli MethodInfo daná položka patří mezi Queryable.Sum selektory.