An abstract class representing a QuerySource for LINQ-style queries. More...

Inheritance diagram for Fauna.Linq.QuerySource< T >:

Public Member Functions
IAsyncEnumerable< Page< T > >	PaginateAsync (QueryOptions? queryOptions=null, CancellationToken cancel=default)
	Executes a query with pagination.

IAsyncEnumerable< T >	ToAsyncEnumerable (CancellationToken cancel=default)
	Executes a query asynchronously.

IEnumerable< T >	ToEnumerable ()
	Executes a query.

IQuerySource< T >	Distinct ()
	Obtains a distinct set of results. This is evaluated server-side. Returns This IQuerySource<T> instance.

IQuerySource< T >	Order ()
	Applies default ordering to the query. This is evaluated server-side. Returns This IQuerySource<T> instance.

IQuerySource< T >	OrderBy< K > (Expression< Func< T, K > > keySelector)
	Orders according to the selector. This is evaluated server-side. Returns This IQuerySource<T> instance.

IQuerySource< T >	OrderByDescending< K > (Expression< Func< T, K > > keySelector)
	Orders by descending according to the selector. This is evaluated server-side. Returns This IQuerySource<T> instance.

IQuerySource< T >	OrderDescending ()
	Orders by descending. This is evaluated server-side. Returns This IQuerySource<T> instance.

IQuerySource< T >	Reverse ()
	Reverses the order of the results. This is evaluated server-side. Returns This IQuerySource<T> instance.

IQuerySource< R >	Select< R > (Expression< Func< T, R > > selector)
	Applies a projection to the query. This is evaluated server-side. Returns This IQuerySource<T> instance.

IQuerySource< T >	Skip (int count)
	Skips the first N elements of the results. This is evaluated server-side. Returns This IQuerySource<T> instance.

IQuerySource< T >	Take (int count)
	Takes the first N elements of the results. This is evaluated server-side. Returns This IQuerySource<T> instance.

IQuerySource< T >	Where (Expression< Func< T, bool > > predicate)
	Applies the predicate to the query. This is evaluated server-side. Returns This IQuerySource<T> instance.

bool	All (Expression< Func< T, bool > > predicate)
	Applies each predicate and executes the query. This is evaluated server-side. Returns True if every predicate evaluates to true. Otherwise, false.

Task< bool >	AllAsync (Expression< Func< T, bool > > predicate, CancellationToken cancel=default)
	Applies each predicate and executes the query asynchronously. This is evaluated server-side. Returns True if every predicate evaluate to true, otherwise false.

bool	Any ()
	Determines if the result is not empty. This is evaluated server-side. Returns True if the result contains any elements, otherwise false.

Task< bool >	AnyAsync (CancellationToken cancel=default)
	Determines if the result is not empty asynchronously. This is evaluated server-side. Returns True if the result contains any elements, otherwise false.

bool	Any (Expression< Func< T, bool > > predicate)
	Applies each predicate and executes the query. This is evaluated server-side. Returns True if any predicate evaluates to true, otherwise false.

Task< bool >	AnyAsync (Expression< Func< T, bool > > predicate, CancellationToken cancel=default)
	Applies each predicate and executes the query asynchronously. This is evaluated server-side. Returns True if any predicate evaluates to true, otherwise false.

int	Count ()
	Applies a count of the elements and executes the query. This is evaluated server-side. Returns The number of elements in the result.

Task< int >	CountAsync (CancellationToken cancel=default)
	Applies a count of the elements and executes the query asynchronously. This is evaluated server-side. Returns The number of elements in the result.

int	Count (Expression< Func< T, bool > > predicate)
	Applies the predicate, applies a count, and executes the query. This is evaluated server-side. Returns The number of elements in the result.

Task< int >	CountAsync (Expression< Func< T, bool > > predicate, CancellationToken cancel=default)
	Applies the predicate, applies a count, and executes the query asynchronously. This is evaluated server-side. Returns The number of elements in the result.

T	First ()
	Executes the query and obtains the first element in the result. This is evaluated server-side. Returns The first element in the result.

Task< T >	FirstAsync (CancellationToken cancel=default)
	Executes the query asynchronously and obtains the first element in the result. This is evaluated server-side. Returns The first element in the result.

T	First (Expression< Func< T, bool > > predicate)
	Applies the predicate, executes the query, and obtains the first element in the result. This is evaluated server-side. Returns The first element in the result.

Task< T >	FirstAsync (Expression< Func< T, bool > > predicate, CancellationToken cancel=default)
	Applies the predicate, executes the query asynchronously, and obtains the first element in the result. This is evaluated server-side. Returns The first element in the result.

T?	FirstOrDefault ()
	Executes the query and obtains the first element in the result or the default value, if there is no result. This is evaluated server-side. Returns The first element in the result or the default value, if there is no result.

Task< T?>	FirstOrDefaultAsync (CancellationToken cancel=default)
	Executes the query asynchronously and obtains the first element in the result or the default value, if there is no result. This is evaluated server-side. Returns The first element in the result.

T?	FirstOrDefault (Expression< Func< T, bool > > predicate)
	Applies the predicate, executes the query, and obtains the first element in the result or the default value, if there is no result. This is evaluated server-side. Returns The first element in the result.

Task< T?>	FirstOrDefaultAsync (Expression< Func< T, bool > > predicate, CancellationToken cancel=default)
	Applies the predicate, executes the query asynchronously, and obtains the first element in the result or the default value, if there is no result. This is evaluated server-side. Returns The first element in the result.

T	Last ()
	Executes the query and obtains the last element in the result. This is evaluated server-side. Returns The last element in the result.

Task< T >	LastAsync (CancellationToken cancel=default)
	Executes the query asynchronously and obtains the last element in the result. This is evaluated server-side. Returns The last element in the result.

T	Last (Expression< Func< T, bool > > predicate)
	Applies the predicate, executes the query, and obtains the last element in the result. This is evaluated server-side. Returns The last element in the result.

Task< T >	LastAsync (Expression< Func< T, bool > > predicate, CancellationToken cancel=default)
	Applies the predicate, executes the query asynchronously, and obtains the last element in the result. This is evaluated server-side. Returns The last element in the result.

T?	LastOrDefault ()
	Executes the query and obtains the last element in the result or the default value, if there is no result. This is evaluated server-side. Returns The last element in the result or the default value, if there is no result.

Task< T?>	LastOrDefaultAsync (CancellationToken cancel=default)
	Executes the query asynchronously and obtains the last element in the result or the default value, if there is no result. This is evaluated server-side. Returns The last element in the result or the default value, if there is no result.

T?	LastOrDefault (Expression< Func< T, bool > > predicate)
	Applies the predicate, executes the query and obtains the last element in the result or the default value, if there is no result. This is evaluated server-side. Returns The last element in the result or the default value, if there is no result.

Task< T?>	LastOrDefaultAsync (Expression< Func< T, bool > > predicate, CancellationToken cancel=default)
	Applies the predicate, executes the query asynchronously and obtains the last element in the result or the default value, if there is no result. This is evaluated server-side. Returns The last element in the result or the default value, if there is no result.

long	LongCount ()
	Applies a count of the elements and executes the query. This is evaluated server-side. Returns The number of elements in the result.

Task< long >	LongCountAsync (CancellationToken cancel=default)
	Applies a count of the elements and executes the query asynchronously. This is evaluated server-side. Returns The number of elements in the result.

long	LongCount (Expression< Func< T, bool > > predicate)
	Applies the predicate, applies a count, and executes the query. This is evaluated server-side. Returns The number of elements in the result.

Task< long >	LongCountAsync (Expression< Func< T, bool > > predicate, CancellationToken cancel=default)
	Applies the predicate, applies a count, and executes the query asynchronously. This is evaluated server-side. Returns The number of elements in the result.

T	Max ()
	Executes a query and returns the maximum value in the result set. This is evaluated server-side. (a, b) => if (a >= b) a else b. Returns The maximum T .

Task< T >	MaxAsync (CancellationToken cancel=default)
	Executes a query asynchronously and returns the maximum value in the result set. This is evaluated server-side. (a, b) => if (a >= b) a else b. Returns The maximum T .

R	Max< R > (Expression< Func< T, R > > selector)
	Applies a selector, executes a query, and returns the maximum value in the result set. This is evaluated server-side. (a, b) => if (a >= b) a else b. Returns The maximum T .

Task< R >	MaxAsync< R > (Expression< Func< T, R > > selector, CancellationToken cancel=default)
	Applies a selector, executes a query asynchronously, and returns the maximum value in the result set. This is evaluated server-side. (a, b) => if (a >= b) a else b. Returns The maximum T .

T	Min ()
	Executes a query and returns the minimum value in the result set. This is evaluated server-side. (a, b) => if (a <= b) a else b. Returns The minimum T .

Task< T >	MinAsync (CancellationToken cancel=default)
	Executes a query asynchronously and returns the minimum value in the result set. This is evaluated server-side. (a, b) => if (a <= b) a else b. Returns The minimum T .

R	Min< R > (Expression< Func< T, R > > selector)
	Applies the selector, executes the query, and returns the minimum value in the result set. This is evaluated server-side. (a, b) => if (a <= b) a else b. Returns The minimum T .

Task< R >	MinAsync< R > (Expression< Func< T, R > > selector, CancellationToken cancel=default)
	Applies the selector, executes the query asynchronously, and returns the minimum value in the result set. This is evaluated server-side. (a, b) => if (a <= b) a else b. Returns The minimum T .

double	Average (Expression< Func< T, double > > selector)
	Calculates the mean average of values returned by a provided selector. This is evaluated server-side. Returns The mean average of selected values.

Task< double >	AverageAsync (Expression< Func< T, double > > selector, CancellationToken cancel=default)
	Asynchronously calculates the mean average of values returned by a provided selector. This is evaluated server-side. Returns The mean average of selected values.

T	Single ()
	Executes the query. If the result is a single element, returns it. Otherwise, throws an exception. This is evaluated server-side. Returns The query result.

Task< T >	SingleAsync (CancellationToken cancel=default)
	Executes the query asynchronously. If the result is a single element, returns it. Otherwise, throws an exception. This is evaluated server-side. Returns The query result.

T	Single (Expression< Func< T, bool > > predicate)
	Applies the predicate and executes the query. If the result is a single element, returns it. Otherwise, throws an exception. This is evaluated server-side. Returns The query result.

Task< T >	SingleAsync (Expression< Func< T, bool > > predicate, CancellationToken cancel=default)
	Applies the predicate and executes the query asynchronously. If the result is a single element, returns it. Otherwise, throws an exception. This is evaluated server-side. Returns The query result.

T	SingleOrDefault ()
	Executes the query. If the result is a single element, returns it. Otherwise, returns the default. This is evaluated server-side. Returns The query result or default.

Task< T >	SingleOrDefaultAsync (CancellationToken cancel=default)
	Executes the query asynchronously. If the result is a single element, returns it. Otherwise, returns the default. This is evaluated server-side. Returns The query result or default.

T	SingleOrDefault (Expression< Func< T, bool > > predicate)
	Applies the predicate and executes the query. If the result is a single element, returns it. Otherwise, returns the default. This is evaluated server-side. Returns The query result or default.

Task< T >	SingleOrDefaultAsync (Expression< Func< T, bool > > predicate, CancellationToken cancel=default)
	Applies the predicate and executes the query asynchronously. If the result is a single element, returns it. Otherwise, returns the default. This is evaluated server-side. Returns The query result or default.

int	Sum (Expression< Func< T, int > > selector)
	Calculates the sum of values returned by a provided selector. This is evaluated server-side. Returns The sum of selected values.

Task< int >	SumAsync (Expression< Func< T, int > > selector, CancellationToken cancel=default)
	Asynchronously calculates the sum of values returned by a provided selector. This is evaluated server-side. Returns The sum of selected values.

long	Sum (Expression< Func< T, long > > selector)
	Calculates the sum of values returned by a provided selector. This is evaluated server-side. Returns The sum of selected values.

Task< long >	SumAsync (Expression< Func< T, long > > selector, CancellationToken cancel=default)
	Asynchronously calculates the sum of values returned by a provided selector. This is evaluated server-side. Returns The sum of selected values.

double	Sum (Expression< Func< T, double > > selector)
	Calculates the sum of values returned by a provided selector. This is evaluated server-side. Returns The sum of selected values.

Task< double >	SumAsync (Expression< Func< T, double > > selector, CancellationToken cancel=default)
	Asynchronously calculates the sum of values returned by a provided selector. This is evaluated server-side. Returns The sum of selected values.

List< T >	ToList ()
	Executes the query synchronously and converts the results to a List<T>.

async Task< List< T > >	ToListAsync (CancellationToken cancel=default)
	Executes the query asynchronously and converts the results to a List<T>.

T[]	ToArray ()
	Executes the query synchronously and converts the results to a T:T[].

async Task< T[]>	ToArrayAsync (CancellationToken cancel=default)
	Executes the query asynchronously and converts the results to a T:T[].

HashSet< T >	ToHashSet ()
	Executes the query synchronously and converts the results to a HashSet<T>.

Task< HashSet< T > >	ToHashSetAsync (CancellationToken cancel=default)
	Executes the query asynchronously and converts the results to a HashSet<T>.

HashSet< T >	ToHashSet (IEqualityComparer< T >? comparer)
	Executes the query synchronously and converts the results to a HashSet<T> using a comparer.

async Task< HashSet< T > >	ToHashSetAsync (IEqualityComparer< T >? comparer, CancellationToken cancel=default)
	Executes the query asynchronously and converts the results to a HashSet<T>.

Dictionary< K, V >	ToDictionary< K, V > (Func< T, K > getKey, Func< T, V > getValue)
	Executes the query synchronously and converts the results to a Dictionary<K,V>.

Task< Dictionary< K, V > >	ToDictionaryAsync< K, V > (Func< T, K > getKey, Func< T, V > getValue, CancellationToken cancel=default)
	Executes the query asynchronously and converts the results to a Dictionary<K,V>.

Dictionary< K, V >	ToDictionary< K, V > (Func< T, K > getKey, Func< T, V > getValue, IEqualityComparer< K >? comparer)
	Executes the query synchronously and converts the results to a Dictionary<K,V>.

async Task< Dictionary< K, V > >	ToDictionaryAsync< K, V > (Func< T, K > getKey, Func< T, V > getValue, IEqualityComparer< K >? comparer, CancellationToken cancel=default)
	Executes the query asynchronously and converts the results to a Dictionary<K,V>.

Detailed Description

An abstract class representing a QuerySource for LINQ-style queries.

Represents a Fauna query with a LINQ-style API.

Template Parameters

T	The type returned by the query when evaluated.

Definition at line 9 of file QuerySourceToCollections.cs.

Member Function Documentation

◆ All()

bool Fauna.Linq.QuerySource< T >.All ( Expression< Func< T, bool > > predicate )

Applies each predicate and executes the query. This is evaluated server-side.

Returns: True if every predicate evaluates to true. Otherwise, false.

Implements Fauna.Linq.IQuerySource< T >.

◆ AllAsync()

Task< bool > Fauna.Linq.QuerySource< T >.AllAsync	(	Expression< Func< T, bool > >	predicate,
		CancellationToken	cancel = `default`
	)

Applies each predicate and executes the query asynchronously. This is evaluated server-side.

Returns: True if every predicate evaluate to true, otherwise false.

Implements Fauna.Linq.IQuerySource< T >.

◆ Any() [1/2]

bool Fauna.Linq.QuerySource< T >.Any ( )

Determines if the result is not empty. This is evaluated server-side.

Returns: True if the result contains any elements, otherwise false.

Implements Fauna.Linq.IQuerySource< T >.

◆ Any() [2/2]

bool Fauna.Linq.QuerySource< T >.Any ( Expression< Func< T, bool > > predicate )

Applies each predicate and executes the query. This is evaluated server-side.

Returns: True if any predicate evaluates to true, otherwise false.

Implements Fauna.Linq.IQuerySource< T >.

◆ AnyAsync() [1/2]

Task< bool > Fauna.Linq.QuerySource< T >.AnyAsync ( CancellationToken cancel = default )

Determines if the result is not empty asynchronously. This is evaluated server-side.

Returns: True if the result contains any elements, otherwise false.

Implements Fauna.Linq.IQuerySource< T >.

◆ AnyAsync() [2/2]

Task< bool > Fauna.Linq.QuerySource< T >.AnyAsync	(	Expression< Func< T, bool > >	predicate,
		CancellationToken	cancel = `default`
	)

Applies each predicate and executes the query asynchronously. This is evaluated server-side.

Returns: True if any predicate evaluates to true, otherwise false.

Implements Fauna.Linq.IQuerySource< T >.

◆ Average()

double Fauna.Linq.QuerySource< T >.Average ( Expression< Func< T, double > > selector )

Calculates the mean average of values returned by a provided selector. This is evaluated server-side.

Returns: The mean average of selected values.

Implements Fauna.Linq.IQuerySource< T >.

◆ AverageAsync()

Task< double > Fauna.Linq.QuerySource< T >.AverageAsync	(	Expression< Func< T, double > >	selector,
		CancellationToken	cancel = `default`
	)

Asynchronously calculates the mean average of values returned by a provided selector. This is evaluated server-side.

Returns: The mean average of selected values.

Implements Fauna.Linq.IQuerySource< T >.

◆ Count() [1/2]

int Fauna.Linq.QuerySource< T >.Count ( )

Applies a count of the elements and executes the query. This is evaluated server-side.

Returns: The number of elements in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ Count() [2/2]

int Fauna.Linq.QuerySource< T >.Count ( Expression< Func< T, bool > > predicate )

Applies the predicate, applies a count, and executes the query. This is evaluated server-side.

Returns: The number of elements in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ CountAsync() [1/2]

Task< int > Fauna.Linq.QuerySource< T >.CountAsync ( CancellationToken cancel = default )

Applies a count of the elements and executes the query asynchronously. This is evaluated server-side.

Returns: The number of elements in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ CountAsync() [2/2]

Task< int > Fauna.Linq.QuerySource< T >.CountAsync	(	Expression< Func< T, bool > >	predicate,
		CancellationToken	cancel = `default`
	)

Applies the predicate, applies a count, and executes the query asynchronously. This is evaluated server-side.

Returns: The number of elements in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ Distinct()

IQuerySource< T > Fauna.Linq.QuerySource< T >.Distinct ( )

Obtains a distinct set of results. This is evaluated server-side.

Returns: This IQuerySource<T> instance.

Implements Fauna.Linq.IQuerySource< T >.

Definition at line 21 of file QuerySourceDsl.cs.

◆ First() [1/2]

T Fauna.Linq.QuerySource< T >.First ( )

Executes the query and obtains the first element in the result. This is evaluated server-side.

Returns: The first element in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ First() [2/2]

T Fauna.Linq.QuerySource< T >.First ( Expression< Func< T, bool > > predicate )

Applies the predicate, executes the query, and obtains the first element in the result. This is evaluated server-side.

Returns: The first element in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ FirstAsync() [1/2]

Task< T > Fauna.Linq.QuerySource< T >.FirstAsync ( CancellationToken cancel = default )

Executes the query asynchronously and obtains the first element in the result. This is evaluated server-side.

Returns: The first element in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ FirstAsync() [2/2]

Task< T > Fauna.Linq.QuerySource< T >.FirstAsync	(	Expression< Func< T, bool > >	predicate,
		CancellationToken	cancel = `default`
	)

Applies the predicate, executes the query asynchronously, and obtains the first element in the result. This is evaluated server-side.

Returns: The first element in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ FirstOrDefault() [1/2]

T? Fauna.Linq.QuerySource< T >.FirstOrDefault ( )

Executes the query and obtains the first element in the result or the default value, if there is no result. This is evaluated server-side.

Returns: The first element in the result or the default value, if there is no result.

Implements Fauna.Linq.IQuerySource< T >.

◆ FirstOrDefault() [2/2]

T? Fauna.Linq.QuerySource< T >.FirstOrDefault ( Expression< Func< T, bool > > predicate )

Applies the predicate, executes the query, and obtains the first element in the result or the default value, if there is no result. This is evaluated server-side.

Returns: The first element in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ FirstOrDefaultAsync() [1/2]

Task< T?> Fauna.Linq.QuerySource< T >.FirstOrDefaultAsync ( CancellationToken cancel = default )

Executes the query asynchronously and obtains the first element in the result or the default value, if there is no result. This is evaluated server-side.

Returns: The first element in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ FirstOrDefaultAsync() [2/2]

Task< T?> Fauna.Linq.QuerySource< T >.FirstOrDefaultAsync	(	Expression< Func< T, bool > >	predicate,
		CancellationToken	cancel = `default`
	)

Applies the predicate, executes the query asynchronously, and obtains the first element in the result or the default value, if there is no result. This is evaluated server-side.

Returns: The first element in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ Last() [1/2]

T Fauna.Linq.QuerySource< T >.Last ( )

Executes the query and obtains the last element in the result. This is evaluated server-side.

Returns: The last element in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ Last() [2/2]

T Fauna.Linq.QuerySource< T >.Last ( Expression< Func< T, bool > > predicate )

Applies the predicate, executes the query, and obtains the last element in the result. This is evaluated server-side.

Returns: The last element in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ LastAsync() [1/2]

Task< T > Fauna.Linq.QuerySource< T >.LastAsync ( CancellationToken cancel = default )

Executes the query asynchronously and obtains the last element in the result. This is evaluated server-side.

Returns: The last element in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ LastAsync() [2/2]

Task< T > Fauna.Linq.QuerySource< T >.LastAsync	(	Expression< Func< T, bool > >	predicate,
		CancellationToken	cancel = `default`
	)

Applies the predicate, executes the query asynchronously, and obtains the last element in the result. This is evaluated server-side.

Returns: The last element in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ LastOrDefault() [1/2]

T? Fauna.Linq.QuerySource< T >.LastOrDefault ( )

Executes the query and obtains the last element in the result or the default value, if there is no result. This is evaluated server-side.

Returns: The last element in the result or the default value, if there is no result.

Implements Fauna.Linq.IQuerySource< T >.

◆ LastOrDefault() [2/2]

T? Fauna.Linq.QuerySource< T >.LastOrDefault ( Expression< Func< T, bool > > predicate )

Applies the predicate, executes the query and obtains the last element in the result or the default value, if there is no result. This is evaluated server-side.

Returns: The last element in the result or the default value, if there is no result.

Implements Fauna.Linq.IQuerySource< T >.

◆ LastOrDefaultAsync() [1/2]

Task< T?> Fauna.Linq.QuerySource< T >.LastOrDefaultAsync ( CancellationToken cancel = default )

Executes the query asynchronously and obtains the last element in the result or the default value, if there is no result. This is evaluated server-side.

Returns: The last element in the result or the default value, if there is no result.

Implements Fauna.Linq.IQuerySource< T >.

◆ LastOrDefaultAsync() [2/2]

Task< T?> Fauna.Linq.QuerySource< T >.LastOrDefaultAsync	(	Expression< Func< T, bool > >	predicate,
		CancellationToken	cancel = `default`
	)

Applies the predicate, executes the query asynchronously and obtains the last element in the result or the default value, if there is no result. This is evaluated server-side.

Returns: The last element in the result or the default value, if there is no result.

Implements Fauna.Linq.IQuerySource< T >.

◆ LongCount() [1/2]

long Fauna.Linq.QuerySource< T >.LongCount ( )

Applies a count of the elements and executes the query. This is evaluated server-side.

Returns: The number of elements in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ LongCount() [2/2]

long Fauna.Linq.QuerySource< T >.LongCount ( Expression< Func< T, bool > > predicate )

Applies the predicate, applies a count, and executes the query. This is evaluated server-side.

Returns: The number of elements in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ LongCountAsync() [1/2]

Task< long > Fauna.Linq.QuerySource< T >.LongCountAsync ( CancellationToken cancel = default )

Applies a count of the elements and executes the query asynchronously. This is evaluated server-side.

Returns: The number of elements in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ LongCountAsync() [2/2]

Task< long > Fauna.Linq.QuerySource< T >.LongCountAsync	(	Expression< Func< T, bool > >	predicate,
		CancellationToken	cancel = `default`
	)

Applies the predicate, applies a count, and executes the query asynchronously. This is evaluated server-side.

Returns: The number of elements in the result.

Implements Fauna.Linq.IQuerySource< T >.

◆ Max()

T Fauna.Linq.QuerySource< T >.Max ( )

Executes a query and returns the maximum value in the result set. This is evaluated server-side. (a, b) => if (a >= b) a else b.

Returns: The maximum T .

Implements Fauna.Linq.IQuerySource< T >.

◆ Max< R >()

R Fauna.Linq.QuerySource< T >.Max< R > ( Expression< Func< T, R > > selector )

Applies a selector, executes a query, and returns the maximum value in the result set. This is evaluated server-side. (a, b) => if (a >= b) a else b.

Returns: The maximum T .

Implements Fauna.Linq.IQuerySource< T >.

◆ MaxAsync()

Task< T > Fauna.Linq.QuerySource< T >.MaxAsync ( CancellationToken cancel = default )

Executes a query asynchronously and returns the maximum value in the result set. This is evaluated server-side. (a, b) => if (a >= b) a else b.

Returns: The maximum T .

Implements Fauna.Linq.IQuerySource< T >.

◆ MaxAsync< R >()

Task< R > Fauna.Linq.QuerySource< T >.MaxAsync< R >	(	Expression< Func< T, R > >	selector,
		CancellationToken	cancel = `default`
	)

Applies a selector, executes a query asynchronously, and returns the maximum value in the result set. This is evaluated server-side. (a, b) => if (a >= b) a else b.

Returns: The maximum T .

Implements Fauna.Linq.IQuerySource< T >.

◆ Min()

T Fauna.Linq.QuerySource< T >.Min ( )

Executes a query and returns the minimum value in the result set. This is evaluated server-side. (a, b) => if (a <= b) a else b.

Returns: The minimum T .

Implements Fauna.Linq.IQuerySource< T >.

◆ Min< R >()

R Fauna.Linq.QuerySource< T >.Min< R > ( Expression< Func< T, R > > selector )

Applies the selector, executes the query, and returns the minimum value in the result set. This is evaluated server-side. (a, b) => if (a <= b) a else b.

Returns: The minimum T .

Implements Fauna.Linq.IQuerySource< T >.

◆ MinAsync()

Task< T > Fauna.Linq.QuerySource< T >.MinAsync ( CancellationToken cancel = default )

Executes a query asynchronously and returns the minimum value in the result set. This is evaluated server-side. (a, b) => if (a <= b) a else b.

Returns: The minimum T .

Implements Fauna.Linq.IQuerySource< T >.

◆ MinAsync< R >()

Task< R > Fauna.Linq.QuerySource< T >.MinAsync< R >	(	Expression< Func< T, R > >	selector,
		CancellationToken	cancel = `default`
	)

Applies the selector, executes the query asynchronously, and returns the minimum value in the result set. This is evaluated server-side. (a, b) => if (a <= b) a else b.

Returns: The minimum T .

Implements Fauna.Linq.IQuerySource< T >.

◆ Order()

IQuerySource< T > Fauna.Linq.QuerySource< T >.Order ( )

Applies default ordering to the query. This is evaluated server-side.

Returns: This IQuerySource<T> instance.

Implements Fauna.Linq.IQuerySource< T >.

Definition at line 28 of file QuerySourceDsl.cs.

◆ OrderBy< K >()

IQuerySource< T > Fauna.Linq.QuerySource< T >.OrderBy< K > ( Expression< Func< T, K > > keySelector )

Orders according to the selector. This is evaluated server-side.

Returns: This IQuerySource<T> instance.

Implements Fauna.Linq.IQuerySource< T >.

Definition at line 35 of file QuerySourceDsl.cs.

◆ OrderByDescending< K >()

IQuerySource< T > Fauna.Linq.QuerySource< T >.OrderByDescending< K > ( Expression< Func< T, K > > keySelector )

Orders by descending according to the selector. This is evaluated server-side.

Returns: This IQuerySource<T> instance.

Implements Fauna.Linq.IQuerySource< T >.

Definition at line 42 of file QuerySourceDsl.cs.

◆ OrderDescending()

IQuerySource< T > Fauna.Linq.QuerySource< T >.OrderDescending ( )

Orders by descending. This is evaluated server-side.

Returns: This IQuerySource<T> instance.

Implements Fauna.Linq.IQuerySource< T >.

Definition at line 49 of file QuerySourceDsl.cs.

◆ PaginateAsync()

IAsyncEnumerable< Page< T > > Fauna.Linq.QuerySource< T >.PaginateAsync	(	QueryOptions?	queryOptions = `null`,
		CancellationToken	cancel = `default`
	)

Executes a query with pagination.

Parameters

queryOptions	Query options.
cancel	A cancellation token.

Returns: An async enumerable for page results.

Implements Fauna.Linq.IQuerySource< T >.

Definition at line 47 of file QuerySource.cs.

◆ Reverse()

IQuerySource< T > Fauna.Linq.QuerySource< T >.Reverse ( )

Reverses the order of the results. This is evaluated server-side.

Returns: This IQuerySource<T> instance.

Implements Fauna.Linq.IQuerySource< T >.

◆ Select< R >()

IQuerySource< R > Fauna.Linq.QuerySource< T >.Select< R > ( Expression< Func< T, R > > selector )

Applies a projection to the query. This is evaluated server-side.

Returns: This IQuerySource<T> instance.

Implements Fauna.Linq.IQuerySource< T >.

Definition at line 60 of file QuerySourceDsl.cs.

◆ Single() [1/2]

T Fauna.Linq.QuerySource< T >.Single ( )

Executes the query. If the result is a single element, returns it. Otherwise, throws an exception. This is evaluated server-side.

Returns: The query result.

Implements Fauna.Linq.IQuerySource< T >.

◆ Single() [2/2]

T Fauna.Linq.QuerySource< T >.Single ( Expression< Func< T, bool > > predicate )

Applies the predicate and executes the query. If the result is a single element, returns it. Otherwise, throws an exception. This is evaluated server-side.

Returns: The query result.

Implements Fauna.Linq.IQuerySource< T >.

◆ SingleAsync() [1/2]

Task< T > Fauna.Linq.QuerySource< T >.SingleAsync ( CancellationToken cancel = default )

Executes the query asynchronously. If the result is a single element, returns it. Otherwise, throws an exception. This is evaluated server-side.

Returns: The query result.

Implements Fauna.Linq.IQuerySource< T >.

◆ SingleAsync() [2/2]

Task< T > Fauna.Linq.QuerySource< T >.SingleAsync	(	Expression< Func< T, bool > >	predicate,
		CancellationToken	cancel = `default`
	)

Applies the predicate and executes the query asynchronously. If the result is a single element, returns it. Otherwise, throws an exception. This is evaluated server-side.

Returns: The query result.

Implements Fauna.Linq.IQuerySource< T >.

◆ SingleOrDefault() [1/2]

T Fauna.Linq.QuerySource< T >.SingleOrDefault ( )

Executes the query. If the result is a single element, returns it. Otherwise, returns the default. This is evaluated server-side.

Returns: The query result or default.

Implements Fauna.Linq.IQuerySource< T >.

◆ SingleOrDefault() [2/2]

T Fauna.Linq.QuerySource< T >.SingleOrDefault ( Expression< Func< T, bool > > predicate )

Applies the predicate and executes the query. If the result is a single element, returns it. Otherwise, returns the default. This is evaluated server-side.

Returns: The query result or default.

Implements Fauna.Linq.IQuerySource< T >.

◆ SingleOrDefaultAsync() [1/2]

Task< T > Fauna.Linq.QuerySource< T >.SingleOrDefaultAsync ( CancellationToken cancel = default )

Executes the query asynchronously. If the result is a single element, returns it. Otherwise, returns the default. This is evaluated server-side.

Returns: The query result or default.

Implements Fauna.Linq.IQuerySource< T >.

◆ SingleOrDefaultAsync() [2/2]

Task< T > Fauna.Linq.QuerySource< T >.SingleOrDefaultAsync	(	Expression< Func< T, bool > >	predicate,
		CancellationToken	cancel = `default`
	)

Applies the predicate and executes the query asynchronously. If the result is a single element, returns it. Otherwise, returns the default. This is evaluated server-side.

Returns: The query result or default.

Implements Fauna.Linq.IQuerySource< T >.

◆ Skip()

IQuerySource< T > Fauna.Linq.QuerySource< T >.Skip ( int count )

Skips the first N elements of the results. This is evaluated server-side.

Returns: This IQuerySource<T> instance.

Implements Fauna.Linq.IQuerySource< T >.

◆ Sum() [1/3]

double Fauna.Linq.QuerySource< T >.Sum ( Expression< Func< T, double > > selector )

Calculates the sum of values returned by a provided selector. This is evaluated server-side.

Returns: The sum of selected values.

Implements Fauna.Linq.IQuerySource< T >.

◆ Sum() [2/3]

int Fauna.Linq.QuerySource< T >.Sum ( Expression< Func< T, int > > selector )

Calculates the sum of values returned by a provided selector. This is evaluated server-side.

Returns: The sum of selected values.

Implements Fauna.Linq.IQuerySource< T >.

◆ Sum() [3/3]

long Fauna.Linq.QuerySource< T >.Sum ( Expression< Func< T, long > > selector )

Calculates the sum of values returned by a provided selector. This is evaluated server-side.

Returns: The sum of selected values.

Implements Fauna.Linq.IQuerySource< T >.

◆ SumAsync() [1/3]

Task< double > Fauna.Linq.QuerySource< T >.SumAsync	(	Expression< Func< T, double > >	selector,
		CancellationToken	cancel = `default`
	)

Asynchronously calculates the sum of values returned by a provided selector. This is evaluated server-side.

Returns: The sum of selected values.

Implements Fauna.Linq.IQuerySource< T >.

◆ SumAsync() [2/3]

Task< int > Fauna.Linq.QuerySource< T >.SumAsync	(	Expression< Func< T, int > >	selector,
		CancellationToken	cancel = `default`
	)

Asynchronously calculates the sum of values returned by a provided selector. This is evaluated server-side.

Returns: The sum of selected values.

Implements Fauna.Linq.IQuerySource< T >.

◆ SumAsync() [3/3]

Task< long > Fauna.Linq.QuerySource< T >.SumAsync	(	Expression< Func< T, long > >	selector,
		CancellationToken	cancel = `default`
	)

Asynchronously calculates the sum of values returned by a provided selector. This is evaluated server-side.

Returns: The sum of selected values.

Implements Fauna.Linq.IQuerySource< T >.

◆ Take()

IQuerySource< T > Fauna.Linq.QuerySource< T >.Take ( int count )

Takes the first N elements of the results. This is evaluated server-side.

Returns: This IQuerySource<T> instance.

Implements Fauna.Linq.IQuerySource< T >.

◆ ToArray()

T[] Fauna.Linq.QuerySource< T >.ToArray ( )

Executes the query synchronously and converts the results to a T:T[].

Returns: The query result as T:T[].

Implements Fauna.Linq.IQuerySource< T >.

◆ ToArrayAsync()

async Task< T[]> Fauna.Linq.QuerySource< T >.ToArrayAsync ( CancellationToken cancel = default )

Executes the query asynchronously and converts the results to a T:T[].

Returns: The query result as an awaitable Task of T:T[].

Implements Fauna.Linq.IQuerySource< T >.

◆ ToAsyncEnumerable()

IAsyncEnumerable< T > Fauna.Linq.QuerySource< T >.ToAsyncEnumerable ( CancellationToken cancel = default )

Executes a query asynchronously.

Parameters

cancel A cancellation token.

Returns: A enumerable of results.

Implements Fauna.Linq.IQuerySource< T >.

◆ ToDictionary< K, V >() [1/2]

Dictionary< K, V > Fauna.Linq.QuerySource< T >.ToDictionary< K, V >	(	Func< T, K >	getKey,
		Func< T, V >	getValue
	)

Executes the query synchronously and converts the results to a Dictionary<K,V>.

Parameters

getKey	A function used to obtain a key.
getValue	A function used to obtain a value.

Template Parameters

K	The key type of the dictionary.
V	The value type of the dictionary.

Returns: The query result as a Dictionary<K,V>.

Implements Fauna.Linq.IQuerySource< T >.

Type Constraints

K	:	notnull
K	:	ToDictionary
K	:	getKey
K	:	getValue
K	:	null

◆ ToDictionary< K, V >() [2/2]

Dictionary< K, V > Fauna.Linq.QuerySource< T >.ToDictionary< K, V >	(	Func< T, K >	getKey,
		Func< T, V >	getValue,
		IEqualityComparer< K >?	comparer
	)

Executes the query synchronously and converts the results to a Dictionary<K,V>.

Parameters

getKey	A function used to obtain a key.
getValue	A function used to obtain a value.
comparer	A comparer used to compare keys.

Template Parameters

K	The key type of the dictionary.
V	The value type of the dictionary.

Returns: The query result as a Dictionary<K,V>.

Implements Fauna.Linq.IQuerySource< T >.

Type Constraints

K	:	notnull
K	:	ToEnumerable()
K	:	ToDictionary
K	:	getKey
K	:	getValue
K	:	comparer

◆ ToDictionaryAsync< K, V >() [1/2]

Task< Dictionary< K, V > > Fauna.Linq.QuerySource< T >.ToDictionaryAsync< K, V >	(	Func< T, K >	getKey,
		Func< T, V >	getValue,
		CancellationToken	cancel = `default`
	)

Executes the query asynchronously and converts the results to a Dictionary<K,V>.

Parameters

getKey	A function used to obtain a key.
getValue	A function used to obtain a value.
cancel	A cancellation token.

Template Parameters

K	The key type of the dictionary.
V	The value type of the dictionary.

Returns: The query result as an awaitable Task of Dictionary<K,V>.

Implements Fauna.Linq.IQuerySource< T >.

Type Constraints

K	:	notnull
K	:	ToDictionaryAsync
K	:	getKey
K	:	getValue
K	:	null
K	:	cancel

◆ ToDictionaryAsync< K, V >() [2/2]

async Task< Dictionary< K, V > > Fauna.Linq.QuerySource< T >.ToDictionaryAsync< K, V >	(	Func< T, K >	getKey,
		Func< T, V >	getValue,
		IEqualityComparer< K >?	comparer,
		CancellationToken	cancel = `default`
	)

Executes the query asynchronously and converts the results to a Dictionary<K,V>.

Parameters

getKey	A function used to obtain a key.
getValue	A function used to obtain a value.
comparer	A comparer used to compare keys.
cancel	A cancellation token.

Template Parameters

K	The key type of the dictionary.
V	The value type of the dictionary.

Returns: The query result as an awaitable Task of Dictionary<K,V>.

Implements Fauna.Linq.IQuerySource< T >.

Type Constraints

K

:

notnull

Definition at line 119 of file QuerySourceToCollections.cs.

◆ ToEnumerable()

IEnumerable< T > Fauna.Linq.QuerySource< T >.ToEnumerable ( )

Executes a query.

Returns: A enumerable of results.

Implements Fauna.Linq.IQuerySource< T >.

◆ ToHashSet() [1/2]

HashSet< T > Fauna.Linq.QuerySource< T >.ToHashSet ( )

Executes the query synchronously and converts the results to a HashSet<T>.

Returns: The query result as a HashSet<T>.

Implements Fauna.Linq.IQuerySource< T >.

◆ ToHashSet() [2/2]

HashSet< T > Fauna.Linq.QuerySource< T >.ToHashSet ( IEqualityComparer< T >? comparer )

Executes the query synchronously and converts the results to a HashSet<T> using a comparer.

Parameters

comparer The comparer to use.

Returns: The query result as a HashSet<T>.

Implements Fauna.Linq.IQuerySource< T >.

◆ ToHashSetAsync() [1/2]

Task< HashSet< T > > Fauna.Linq.QuerySource< T >.ToHashSetAsync ( CancellationToken cancel = default )

Executes the query asynchronously and converts the results to a HashSet<T>.

Returns: The query result as an awaitable Task of HashSet<T>.

Implements Fauna.Linq.IQuerySource< T >.

◆ ToHashSetAsync() [2/2]

async Task< HashSet< T > > Fauna.Linq.QuerySource< T >.ToHashSetAsync	(	IEqualityComparer< T >?	comparer,
		CancellationToken	cancel = `default`
	)

Executes the query asynchronously and converts the results to a HashSet<T>.

Parameters

comparer	The comparer to use.
cancel	A cancellation token.

Returns: The query result as an awaitable Task of HashSet<T>.

Implements Fauna.Linq.IQuerySource< T >.

Definition at line 67 of file QuerySourceToCollections.cs.

◆ ToList()

List< T > Fauna.Linq.QuerySource< T >.ToList ( )

Executes the query synchronously and converts the results to a List<T>.

Returns: The query result as a List<T>.

Implements Fauna.Linq.IQuerySource< T >.

◆ ToListAsync()

async Task< List< T > > Fauna.Linq.QuerySource< T >.ToListAsync ( CancellationToken cancel = default )

Executes the query asynchronously and converts the results to a List<T>.

Returns: The query result as an awaitable Task of List<T>.

Implements Fauna.Linq.IQuerySource< T >.

Definition at line 21 of file QuerySourceToCollections.cs.

◆ Where()

IQuerySource< T > Fauna.Linq.QuerySource< T >.Where ( Expression< Func< T, bool > > predicate )

Applies the predicate to the query. This is evaluated server-side.

Returns: This IQuerySource<T> instance.

Implements Fauna.Linq.IQuerySource< T >.

The documentation for this class was generated from the following files:

/tmp/build/1a4543b4/repo.git/Fauna/Linq/QuerySource.cs
/tmp/build/1a4543b4/repo.git/Fauna/Linq/QuerySourceDsl.cs
/tmp/build/1a4543b4/repo.git/Fauna/Linq/QuerySourceToCollections.cs

Public Member Functions

Detailed Description

Member Function Documentation

◆ All()

◆ AllAsync()

◆ Any() [1/2]

◆ Any() [2/2]

◆ AnyAsync() [1/2]

◆ AnyAsync() [2/2]

◆ Average()

◆ AverageAsync()

◆ Count() [1/2]

◆ Count() [2/2]

◆ CountAsync() [1/2]

◆ CountAsync() [2/2]

◆ Distinct()

◆ First() [1/2]

◆ First() [2/2]

◆ FirstAsync() [1/2]

◆ FirstAsync() [2/2]

◆ FirstOrDefault() [1/2]

◆ FirstOrDefault() [2/2]

◆ FirstOrDefaultAsync() [1/2]

◆ FirstOrDefaultAsync() [2/2]

◆ Last() [1/2]

◆ Last() [2/2]

◆ LastAsync() [1/2]

◆ LastAsync() [2/2]

◆ LastOrDefault() [1/2]

◆ LastOrDefault() [2/2]

◆ LastOrDefaultAsync() [1/2]

◆ LastOrDefaultAsync() [2/2]

◆ LongCount() [1/2]

◆ LongCount() [2/2]

◆ LongCountAsync() [1/2]

◆ LongCountAsync() [2/2]

◆ Max()

◆ Max< R >()

◆ MaxAsync()

◆ MaxAsync< R >()

◆ Min()

◆ Min< R >()

◆ MinAsync()

◆ MinAsync< R >()

◆ Order()

◆ OrderBy< K >()

◆ OrderByDescending< K >()

◆ OrderDescending()

◆ PaginateAsync()

◆ Reverse()

◆ Select< R >()

◆ Single() [1/2]

◆ Single() [2/2]

◆ SingleAsync() [1/2]

◆ SingleAsync() [2/2]

◆ SingleOrDefault() [1/2]

◆ SingleOrDefault() [2/2]

◆ SingleOrDefaultAsync() [1/2]

◆ SingleOrDefaultAsync() [2/2]

◆ Skip()

◆ Sum() [1/3]

◆ Sum() [2/3]

◆ Sum() [3/3]

◆ SumAsync() [1/3]

◆ SumAsync() [2/3]

◆ SumAsync() [3/3]

◆ Take()

◆ ToArray()

◆ ToArrayAsync()

◆ ToAsyncEnumerable()

◆ ToDictionary< K, V >() [1/2]

◆ ToDictionary< K, V >() [2/2]

◆ ToDictionaryAsync< K, V >() [1/2]

◆ ToDictionaryAsync< K, V >() [2/2]

◆ ToEnumerable()

◆ ToHashSet() [1/2]

◆ ToHashSet() [2/2]

◆ ToHashSetAsync() [1/2]

◆ ToHashSetAsync() [2/2]

◆ ToList()