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SqlLinq: Taking LINQ to SQL in the Other Direction

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12 Nov 2009CPOL13 min read 104K   1.1K   145  
Parsing SQL statements to create LINQ Expressions.
using System;
using System.Text;
using System.Collections.Generic;
using System.Linq;

using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace FileDataProvider.UnitTests
{
    /// <summary>
    /// Summary description for ExceptionTests
    /// </summary>
    [TestClass]
    public class ExceptionTests
    {
        public ExceptionTests()
        {
        }

        private TestContext testContextInstance;

        /// <summary>
        ///Gets or sets the test context which provides
        ///inextensionion about and functionality for the current test run.
        ///</summary>
        public TestContext TestContext
        {
            get
            {
                return testContextInstance;
            }
            set
            {
                testContextInstance = value;
            }
        }

        [TestMethod]
        [ExpectedException(typeof(ParseException))]
        public void AggregateInWhereClause()
        {
            Shared.ExecuteQuery("SELECT bitrate FROM File, Media WHERE AVG(bitrate) = 128000");
        }

        [TestMethod]
        [ExpectedException(typeof(ParseException))]
        public void IncorrectSqlSyntax()
        {
            Shared.ExecuteQuery("SELECT FROM soundtrack");
        }


        [TestMethod]
        [ExpectedException(typeof(ArgumentException))]
        public void NonExistentRootDirectory()
        {
            FileDbConnectionStringBuilder builder = new FileDbConnectionStringBuilder();
            builder.Root = @"X:\abc\123\doesnotexist\";

            using (FileDbConnection connection = new FileDbConnection(builder.ConnectionString))
                connection.Open();
        }
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Team Leader Starkey Laboratories
United States United States
The first computer program I ever wrote was in BASIC on a TRS-80 Model I and it looked something like:
10 PRINT "Don is cool"
20 GOTO 10

It only went downhill from there.

Hey look, I've got a blog

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