From 29fdc61bbaa7b664abdbda8fdac31dc3bd6781d1 Mon Sep 17 00:00:00 2001
From: wendelti <wendel.tavares.ti@gmail.com>
Date: Wed, 18 Jul 2018 16:15:43 -0300
Subject: [PATCH] Performance improvement

This code may run up to 11% faster because the same query plan is used every time the query is run, which saves CPU time and avoids polluting the query cache.
---
 EntityFrameworkPaginate/PaginateService.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/EntityFrameworkPaginate/PaginateService.cs b/EntityFrameworkPaginate/PaginateService.cs
index 95086e8..90ee863 100644
--- a/EntityFrameworkPaginate/PaginateService.cs
+++ b/EntityFrameworkPaginate/PaginateService.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Linq;
+using System.Data.Entity;
 
 namespace EntityFrameworkPaginate
 {
@@ -16,12 +17,14 @@ public static class PaginateService
         /// <returns>A Page object with filtered data for the given page number and page size.</returns>
         public static Page<T> Paginate<T>(this IQueryable<T> query, int pageNumber, int pageSize)
         {
+            var pageSkip = (pageNumber - 1) * pageSize;
+
             var result = new Page<T>
             {
                 CurrentPage = pageNumber,
                 PageSize = pageSize,
                 RecordCount = query.Count(),
-                Results = query.Skip((pageNumber - 1) * pageSize).Take(pageSize).ToList()
+                Results = query.Skip(() => pageSkip).Take(() => pageSize).ToList()
             };
             result.PageCount = (int)Math.Ceiling((double)result.RecordCount / pageSize);
             return result;