2018-02-11 20:55:29 -05:00
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using PoweredSoft.DynamicLinq.Dal.Pocos;
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using PoweredSoft.DynamicLinq.Extensions;
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using PoweredSoft.DynamicLinq.Fluent;
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using PoweredSoft.DynamicLinq.Helpers;
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2018-02-11 20:55:29 -05:00
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using System;
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using System.Collections.Generic;
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using System.Data.SqlClient;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Reflection;
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2018-02-11 20:55:29 -05:00
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using System.Text;
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using System.Threading.Tasks;
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namespace PoweredSoft.DynamicLinq.Test
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{
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[TestClass]
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public class ComplexQueryTest
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{
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[TestMethod]
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public void ComplexQueryBuilder()
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{
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// subject.
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var posts = new List<Post>()
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{
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new Post { Id = 1, AuthorId = 1, Title = "Hello 1", Content = "World" },
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new Post { Id = 2, AuthorId = 1, Title = "Hello 2", Content = "World" },
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new Post { Id = 3, AuthorId = 2, Title = "Hello 3", Content = "World" },
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};
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// the query.
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var query = posts.AsQueryable();
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2018-02-11 21:11:35 -05:00
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query = query.Query(q =>
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{
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q.Compare("AuthorId", ConditionOperators.Equal, 1);
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q.And(sq =>
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{
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sq.Compare("Content", ConditionOperators.Equal, "World");
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sq.Or("Title", ConditionOperators.Contains, 3);
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});
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});
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Assert.AreEqual(2, query.Count());
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}
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[TestMethod]
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public void UsingQueryBuilder()
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{
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// subject.
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var posts = new List<Post>()
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{
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new Post { Id = 1, AuthorId = 1, Title = "Hello 1", Content = "World" },
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new Post { Id = 2, AuthorId = 1, Title = "Hello 2", Content = "World" },
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new Post { Id = 3, AuthorId = 2, Title = "Hello 3", Content = "World" },
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};
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// the query.
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var query = posts.AsQueryable();
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var queryBuilder = new QueryBuilder<Post>(query);
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queryBuilder.Compare("AuthorId", ConditionOperators.Equal, 1);
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queryBuilder.And(subQuery =>
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{
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subQuery.Compare("Content", ConditionOperators.Equal, "World");
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subQuery.Or("Title", ConditionOperators.Contains, 3);
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});
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query = queryBuilder.Build();
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Assert.AreEqual(2, query.Count());
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}
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[TestMethod]
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public void TestingSort()
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{
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// subject.
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var posts = new List<Post>()
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{
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new Post { Id = 1, AuthorId = 1, Title = "Hello 1", Content = "World" },
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new Post { Id = 2, AuthorId = 1, Title = "Hello 2", Content = "World" },
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new Post { Id = 3, AuthorId = 2, Title = "Hello 3", Content = "World" },
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};
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// the query.
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var query = posts.AsQueryable();
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var queryBuilder = new QueryBuilder<Post>(query);
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// add some sorting.
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queryBuilder
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.OrderByDescending("AuthorId")
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.ThenBy("Id");
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query = queryBuilder.Build();
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var first = query.First();
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var second = query.Skip(1).First();
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Assert.IsTrue(first.Id == 3);
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Assert.IsTrue(second.Id == 1);
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}
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//[TestMethod]
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//public void Test()
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//{
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// var authors = new List<Author>()
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// {
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// new Author
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// {
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// Id = 1,
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// FirstName = "David",
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// LastName = "Lebee",
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// Posts = new List<Post>
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// {
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// new Post
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// {
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// Id = 1,
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// AuthorId = 1,
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// Title = "Match",
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// Content = "ABC",
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// Comments = new List<Comment>()
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// {
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// new Comment()
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// {
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// Id = 1,
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// DisplayName = "John Doe",
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// CommentText = "!@#$!@#!@#",
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// Email = "John.doe@me.com"
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// }
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// }
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// },
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// new Post
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// {
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// Id = 2,
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// AuthorId = 1,
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// Title = "Match",
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// Content = "ABC"
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// }
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// }
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// },
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// new Author
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// {
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// Id = 2,
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// FirstName = "Chuck",
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// LastName = "Norris",
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// Posts = new List<Post>
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// {
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// new Post
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// {
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// Id = 3,
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// AuthorId = 2,
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// Title = "Match",
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// Content = "ASD",
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// },
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// new Post
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// {
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// Id = 4,
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// AuthorId = 2,
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// Title = "DontMatch",
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// Content = "ASD",
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// }
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// }
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// }
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// };
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// // the query.
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// var query = authors.AsQueryable();
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// //// first recursion.
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// //var typeOfClass = typeof(Author);
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// //var parameter = Expression.Parameter(typeOfClass, "t");
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// //var posts = Expression.PropertyOrField(parameter, "Posts");
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// //// second recursion
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// //{
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// // var subListType = posts.Type.GetGenericArguments().First();
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// // var innerParam = Expression.Parameter(subListType, "t2");
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// // var field = Expression.PropertyOrField(innerParam, "Title");
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// // var innerCondition = PoweredSoft.DynamicLinq.Helpers.QueryableHelpers.GetConditionExpressionForMember(innerParam, field, ConditionOperators.Equal, Expression.Constant("Match"));
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// // var lambda = Expression.Lambda(innerCondition, innerParam);
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// // // any
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// // var anyMethod = typeof(Enumerable).GetMethods(BindingFlags.Static | BindingFlags.Public).First(t => t.Name == "All" && t.GetParameters().Count() == 2);
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// // var genericAnyMethod = anyMethod.MakeGenericMethod(subListType);
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// // var subExpression = Expression.Call(genericAnyMethod, posts, lambda);
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// // var finalLambda = Expression.Lambda<Func<Author, bool>>(subExpression, parameter);
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// // query = query.Where(finalLambda);
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// //}
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// var anyMethod = typeof(Enumerable).GetMethods(BindingFlags.Static | BindingFlags.Public).First(t => t.Name == "Any" && t.GetParameters().Count() == 2);
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// // first recursion.
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// var typeOfClass = typeof(Author);
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// var parameter = Expression.Parameter(typeOfClass, "t");
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// var posts = Expression.PropertyOrField(parameter, "Posts");
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// // second recursion
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// {
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// var subListType = posts.Type.GetGenericArguments().First();
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// var innerParam = Expression.Parameter(subListType, "t2");
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// var field = Expression.PropertyOrField(innerParam, "Comments");
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// // any
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// var genericAnyMethod = anyMethod.MakeGenericMethod(subListType);
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// // third recursion
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// {
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// var innerParam2 = Expression.Parameter(typeof(Comment), "t3");
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// var field2 = Expression.PropertyOrField(innerParam2, "Id");
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// var innerCondition2 = QueryableHelpers.GetConditionExpressionForMember(innerParam2, field2, ConditionOperators.Equal, Expression.Constant(1L));
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// var lambda = Expression.Lambda(innerCondition2, innerParam2);
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// var generateAnyMethod2 = anyMethod.MakeGenericMethod(typeof(Comment));
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// var subExpression2 = Expression.Call(generateAnyMethod2, field, lambda);
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// var previousLambda = Expression.Lambda<Func<Post, bool>>(subExpression2, innerParam);
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// var subExpression = Expression.Call(genericAnyMethod, posts, previousLambda);
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// var finalLambda = Expression.Lambda<Func<Author, bool>>(subExpression, parameter);
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// query = query.Where(finalLambda);
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// }
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// }
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//}
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2018-02-11 20:55:29 -05:00
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}
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}
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