Merge pull request #79 from abe545/improve-hierarchical-speed

Improve hierarchical speed
abe545 · Aug 2, 2016 · 1661a00 · 1661a00
2 parents 3b22f86 + 07beb94
commit 1661a00
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Showing 4 changed files with 195 additions and 131 deletions.
diff --git a/CodeOnlyStoredProcedure/PropertyInfoExtensions.cs b/CodeOnlyStoredProcedure/PropertyInfoExtensions.cs
@@ -1,5 +1,7 @@
-using System.ComponentModel.DataAnnotations.Schema;
+using System;
+using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
+using System.Linq.Expressions;
 using System.Reflection;
 
 namespace CodeOnlyStoredProcedure
@@ -29,5 +31,11 @@ public static string GetSqlColumnName(this PropertyInfo pi)
 
             return pi.Name;
         }
+
+        public static Func<TItem, TProp> CompileGetter<TItem, TProp>(this PropertyInfo prop)
+        {
+            var i = Expression.Parameter(typeof(TItem), "i");
+            return Expression.Lambda<Func<TItem, TProp>>(Expression.Property(i, prop), i).Compile();
+        }
     }
 }