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count and long count

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This commit is contained in:
David Lebee 2018-10-18 19:21:17 -05:00
parent dfaca8beab
commit f1a932bbd1
1 changed files with 9 additions and 0 deletions
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PoweredSoft.DynamicLinq/Extensions/QueryableExtensions.cs
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@ -4,6 +4,7 @@ using System;
using System.Collections.Generic; using System.Collections.Generic;
using System.Linq; using System.Linq;
using System.Linq.Expressions; using System.Linq.Expressions;
using System.Reflection;
using System.Text; using System.Text;
using System.Threading.Tasks; using System.Threading.Tasks;
@ -143,5 +144,13 @@ namespace PoweredSoft.DynamicLinq
var ret = query.Cast<DynamicClass>().ToList(); var ret = query.Cast<DynamicClass>().ToList();
return ret; return ret;
} }
private static MethodInfo _internalCount = typeof(QueryableExtensions).GetMethod(nameof(QueryableExtensions._internalCount), BindingFlags.Static | BindingFlags.NonPublic);
private static int InternalCount<T>(IQueryable<T> q) => q.Count();
public static int Count(this IQueryable query) => (int)_internalCount.MakeGenericMethod(query.ElementType).Invoke(null, new object[] {query});
private static MethodInfo _internalLongCount = typeof(QueryableExtensions).GetMethod(nameof(QueryableExtensions._internalLongCount), BindingFlags.Static | BindingFlags.NonPublic);
private static long InternalLongCount<T>(IQueryable<T> q) => q.LongCount();
public static long LongCount(this IQueryable query) => (int)_internalLongCount.MakeGenericMethod(query.ElementType).Invoke(null, new object[] { query });
} }
} }