Class RedbArrayGroupedQueryable<TKey, TItem, TProps>

Assembly: redb.Core.dll

Grouping by array elements (Items[].Property)

public class RedbArrayGroupedQueryable<TKey, TItem, TProps> : IRedbGroupedQueryable<TKey, TItem> where TItem : class, new() where TProps : class, new()

Inheritance

Object→RedbArrayGroupedQueryable<TKey, TItem, TProps>

Implements

IRedbGroupedQueryable{{TKey},{TItem}}

Methods

CountAsync()

Returns group count.

public Task<int> CountAsync()

SelectAsync<TResult>(Expression<Func<IRedbGrouping<TKey, TItem>, TResult>>)

Executes projection with aggregations for each group.

public Task<List<TResult>> SelectAsync<TResult>(Expression<Func<IRedbGrouping<TKey, TItem>, TResult>> selector)

ToSqlStringAsync<TResult>(Expression<Func<IRedbGrouping<TKey, TItem>, TResult>>)

Returns SQL string for array GroupBy query.

public Task<string> ToSqlStringAsync<TResult>(Expression<Func<IRedbGrouping<TKey, TItem>, TResult>> selector)

WithWindow(Action<IGroupedWindowSpec<TKey, TItem>>)

WithWindow not supported for array grouping.

public IGroupedWindowedQueryable<TKey, TItem> WithWindow(Action<IGroupedWindowSpec<TKey, TItem>> windowConfig)

Constructors

RedbArrayGroupedQueryable(IRedbQueryProvider, long, string?, Expression<Func<TProps, IEnumerable<TItem>>>, Expression<Func<TItem, TKey>>)