C# SqlBuilder.OrderBy方法代码示例

        /// <summary>
        /// The list of results.
        /// </summary>
        /// <param name="maxResults">The max results.</param>
        /// <param name="start">The start</param>
        /// <param name="finish">The finish</param>
        /// <param name="orderBy">The order by.</param>
        /// <returns>The result set</returns>
        public override IEnumerable<Guid> List(
            int maxResults,
            DateTime? start = null,
            DateTime? finish = null,
            ListResultsOrder orderBy = ListResultsOrder.Descending)
        {
            var builder = new SqlBuilder();
            var t = builder.AddTemplate("select Id from MiniProfilers /**where**/ /**orderby**/ LIMIT(" + maxResults + ")");

            if (start != null)
            {
                builder.Where("Started > @start", new { start });
            }
            if (finish != null)
            {
                builder.Where("Started < @finish", new { finish });
            }

            builder.OrderBy(orderBy == ListResultsOrder.Descending ? "Started desc" : "Started asc");

            using (var conn = GetOpenConnection())
            {
                return conn.Query<Guid>(t.RawSql, t.Parameters).ToList();
            }
        }

        /// <summary>
        /// GET: /search
        /// GET: /search/index
        /// </summary>
        /// <returns></returns>
        public ActionResult Index(string input, int? page, int? pageSize)
        {
            ViewBag.Input = input;

            page = Math.Max(page ?? 1, 1); // Adjust.
            pageSize = Math.Max(Math.Min(pageSize ?? 10, 100), 10); // Adjust.

            int start = ((page.Value - 1) * pageSize.Value) + 1;
            int finish = page.Value * pageSize.Value;
            var builder = new SqlBuilder();
            SqlBuilder.Template pager = null, counter = null;

            pager = builder.AddTemplate("SELECT * FROM (SELECT /**select**/, ROW_NUMBER() OVER (/**orderby**/) AS RowNumber FROM Questions Q /**where**/) AS Results WHERE RowNumber BETWEEN @start AND @finish ORDER BY RowNumber",
                new { start = start, finish = finish });

            counter = builder.AddTemplate("SELECT COUNT(*) FROM Questions Q /**where**/");

            builder.Select("Q.*");
            builder.OrderBy("Q.Time DESC");
            builder.Where("Q.Title LIKE @searchInput OR Q.Answer LIKE @searchInput", new { searchInput = "%" + input + "%" });

            var results = Current.DB.QueryMultiple(pager.RawSql, pager.Parameters).Read<Question>();
            var totals = Current.DB.Query<int>(counter.RawSql, counter.Parameters).First();

            ViewData["Href"] = "/search?";

            return View(new PagedList<Question>(results, page.Value, pageSize.Value, false, totals));
        }

//.........这里部分代码省略.........
                pager = builder.AddTemplate(@"
                    SELECT
                        *
                    FROM
                        (
                            SELECT
                                /**select**/, ROW_NUMBER() OVER(/**orderby**/) AS RowNumber
                            FROM
                                Metadata metadata
                                /**join**/
                                /**leftjoin**/
                                /**where**/
                        ) AS results
                    WHERE
                        RowNumber BETWEEN @start AND @finish
                    ORDER BY
                        RowNumber",
                    new { start = start, finish = finish }
                );
                counter = builder.AddTemplate("SELECT COUNT(*) FROM Metadata metadata /**join**/ /**leftjoin**/ /**where**/");

                builder.Select("metadata.RevisionId AS Id");
                builder.Select("metadata.LastActivity AS LastRun");
                builder.Join("Queries query ON query.Id = metadata.LastQueryId");
                builder.LeftJoin("Users [user] ON metadata.OwnerId = [user].Id");
                builder.Where("metadata.Hidden = 0");

                if (order_by == "featured" || order_by == "recent")
                {
                    if (order_by == "featured")
                    {
                        builder.Where("metadata.Featured = 1");
                        builder.Where("metadata.First = 1");
                        builder.OrderBy("metadata.Votes DESC");
                    }

                    builder.OrderBy("metadata.LastActivity DESC");
                }
                else
                {
                    int threshold = 0;

                    if (order_by == "popular")
                    {
                        builder.Where("metadata.Views > @threshold", new { threshold = threshold });
                        builder.OrderBy("metadata.Views DESC");
                        builder.OrderBy("metadata.Votes DESC");
                    }
                    else
                    {
                        builder.Where("metadata.Votes > @threshold", new { threshold = threshold });
                        builder.OrderBy("metadata.Votes DESC");
                        builder.OrderBy("metadata.Views DESC");
                    }
                }
            }
            else if (order_by == "everything")
            {
                pager = builder.AddTemplate(@"
                    SELECT
                        /**select**/
                    FROM
                        (
                            SELECT
                                Revisions.*, ROW_NUMBER() OVER(/**orderby**/) AS RowNumber
                            FROM

//.........这里部分代码省略.........
                            /**where**/
                    ) AS results
                WHERE
                    RowNumber BETWEEN @start AND @finish
                ORDER BY
                    RowNumber",
                new { start = start, finish = finish }
            );
            var counter = builder.AddTemplate("SELECT COUNT(*) FROM Queries query /**join**/ /**leftjoin**/ /**where**/");

            if (order_by == "recent")
            {
                builder.Select("execution.RevisionId AS Id");
                builder.Select("execution.LastRun");
                builder.Select("site.Name AS SiteName");
                builder.Join("QueryExecutions execution ON execution.QueryId = query.Id");
                builder.Join("Sites site ON site.Id = execution.SiteId");
                builder.Join("Revisions ON Revisions.Id = execution.RevisionId AND execution.UserId = @user", new { user = id });
                builder.Join(@"
                    Metadata metadata ON
                    (
                        metadata.RevisionId = Revisions.RootId AND
                        metadata.OwnerId = Revisions.OwnerId
                    ) OR (
                        metadata.RevisionId = Revisions.Id AND
                        metadata.OwnerId = Revisions.OwnerId AND
                        Revisions.RootId IS NULL
                    ) OR (
                        metadata.RevisionId = Revisions.Id AND
                        metadata.OwnerId IS NULL AND
                        Revisions.OwnerId IS NULL
                    )"
                );
                builder.OrderBy("execution.LastRun DESC");

                message = user.Id == CurrentUser.Id ?
                    "You have never ran any queries" : "No queries ran recently";
            }
            else
            {
                builder.Select("metadata.RevisionId AS Id");
                builder.Select("metadata.LastActivity AS LastRun");
                builder.Join("Metadata metadata on metadata.LastQueryId = query.Id");

                if (order_by == "favorite")
                {
                    builder.Join(@"
                        Votes ON
                        Votes.RootId = metadata.RevisionId AND
                        (
                            Votes.OwnerId = metadata.OwnerId OR
                            (Votes.OwnerId IS NULL AND metadata.OwnerID IS NULL)
                        ) AND
                        Votes.UserId = @user AND
                        Votes.VoteTypeId = @vote",
                        new { user = id, vote = (int)VoteType.Favorite }
                    );
                    builder.OrderBy("metadata.Votes DESC");

                    useLatest = true;
                    message = user.Id == CurrentUser.Id ?
                        "You have no favorite queries, click the star icon on a query to favorite it" : "No favorites";
                } else {
                    builder.Where("metadata.OwnerId = @user", new { user = id });
                    builder.Where("metadata.Hidden = 0");
                    builder.OrderBy("metadata.LastActivity DESC");

        public ActionResult Index(string sitename, string order_by, string q, int? page, int? pagesize)
        {
            Site site;

            if (!TryGetSite(sitename, out site))
            {
                return site == null ? (ActionResult)PageNotFound() : RedirectPermanent(string.Format("/{0}/queries",
                    site.TinyName.ToLower()
                ));
            }

            Site = site;
            QuerySearchCriteria searchCriteria = new QuerySearchCriteria(q);

            if (string.IsNullOrEmpty(order_by))
            {
                if (searchCriteria.IsValid)
                {
                    order_by = searchCriteria.IsFeatured ? "featured" : "recent";
                }
                else
                {
                    order_by = CurrentUser.DefaultQuerySort ?? "featured";
                }
            }

            if (!searchCriteria.IsValid)
            {
                CurrentUser.DefaultQuerySort = order_by;
            }

            ViewData["Site"] = Site;
            SelectMenuItem("Queries");

            var pagesizeProvided = pagesize.HasValue;

            if (!Current.User.IsAnonymous && !pagesizeProvided)
            {
                pagesize = Current.User.DefaultQueryPageSize;
            }

            pagesize = Math.Max(Math.Min(pagesize ?? 50, 100), 10);
            page = Math.Max(page ?? 1, 1);

            if (!Current.User.IsAnonymous)
            {
                Current.User.DefaultQueryPageSize = pagesize;
            }

            int start = ((page.Value - 1) * pagesize.Value) + 1;
            int finish = page.Value * pagesize.Value;
            var builder = new SqlBuilder();
            SqlBuilder.Template pager = null, counter = null;

            if (order_by != "everything")
            {
                pager = builder.AddTemplate(@"
                    SELECT
                        *
                    FROM    
                        (
                            SELECT
                                /**select**/, ROW_NUMBER() OVER(/**orderby**/) AS RowNumber
                            FROM
                                QuerySets qs
                                /**join**/
                                /**leftjoin**/
                                /**where**/
                        ) AS results
                    WHERE
                        RowNumber BETWEEN @start AND @finish
                    ORDER BY
                        RowNumber",
                    new { start = start, finish = finish }
                );
                counter = builder.AddTemplate("SELECT COUNT(*) FROM QuerySets qs /**join**/ /**leftjoin**/ /**where**/");

                builder.Select("qs.Id as QuerySetId");
                builder.Select("qs.LastActivity AS LastRun");
                builder.Join("Revisions r ON r.Id = qs.CurrentRevisionId");
                builder.Join("Queries q ON q.Id = r.QueryId");
                builder.LeftJoin("Users u ON qs.OwnerId = u.Id");
                builder.Where("qs.Hidden = 0");
                builder.Where("qs.Title is not null");
                builder.Where("qs.Title <> ''");

                if (order_by == "featured" || order_by == "recent")
                {
                    if (order_by == "featured")
                    {
                        builder.Where("qs.Featured = 1");
                        builder.OrderBy("qs.Votes DESC");
                    }

                    builder.OrderBy("qs.LastActivity DESC");
                }
                else
                {
                    int threshold = 0;

//.........这里部分代码省略.........

        private PagedList<Dinner> FindDinners(string where, object parameters, string orderBy = "DinnerID", int page = 1, int pageSize = 20)
        {
            using (var connection = MvcApplication.GetOpenConnection())
            {
                var builder = new SqlBuilder();

                var start = (page - 1) * pageSize + 1;
                var finish = page * pageSize;

                var selectTemplate = builder.AddTemplate(pagedQuery, new { start, finish });
                var countTemplate = builder.AddTemplate(totalQuery);

                builder.Where(where, parameters);

                builder.OrderBy(orderBy);

                var results = connection.Query<Dinner>(selectTemplate.RawSql, selectTemplate.Parameters);
                var count = connection.Query<int>(countTemplate.RawSql, countTemplate.Parameters).First();

                return new PagedList<Dinner>(results, page, count, pageSize);
            }
        }

        private PagedList<User> GetUserList(string selected, int? page, string search)
        {
            int perPage = 36;
            int currentPage = Math.Max(page ?? 1, 1);
            var builder = new SqlBuilder();
            var pager = builder.AddTemplate(@"
                SELECT
                    *,
                    (SELECT COUNT(*) FROM QuerySets WHERE OwnerId = Y.Id) SavedQueriesCount,
                    (SELECT COUNT(*) FROM RevisionExecutions WHERE UserId = Y.Id) QueryExecutionsCount
                FROM
                (
                    SELECT * FROM
                    (
                        SELECT
                            ROW_NUMBER() OVER (/**orderby**/) AS Row, Users.Id, Users.Login, Users.Email,
                            Users.IPAddress, Users.IsAdmin, Users.CreationDate /**select**/
                        FROM Users /**join**/ /**where**/
                    ) AS X
                    WHERE Row > @start AND Row <= @finish
                ) AS Y
                ORDER BY Row ASC",
                new { start = (currentPage - 1) * perPage, finish = currentPage * perPage }
            );
            var counter = builder.AddTemplate("SELECT COUNT(*) FROM Users /**join**/ /**where**/");

            if (selected == "all")
            {
                builder.OrderBy("Login ASC");
            }
            else
            {
                var activePeriod = 30; // Last 30 days

                // We should probably just be...actually recording the user's LastActivityDate,
                // instead of performing this join all the time
                builder.Select(", LastRun AS LastActivityDate");
                builder.Join(@"(
                    SELECT UserId, MAX(LastRun) AS LastRun FROM RevisionExecutions GROUP BY UserId
                ) AS LastExecutions ON LastExecutions.UserId = Users.Id");
                builder.OrderBy("LastRun DESC");
                builder.Where("LastRun >= @since", new { since = DateTime.UtcNow.AddDays(-activePeriod).Date });
            }

            var url = "/users?order_by=" + selected;
            ViewData["SearchHref"] = "/users/search?order_by=" + selected;

            if (search.HasValue() && search.Length > 2)
            {
                url += "&search=" + HtmlUtilities.UrlEncode(search);
                ViewData["UserSearch"] = search;

                builder.Where("Login LIKE @search", new { search = '%' + search + '%' });
            }

            ViewData["Href"] = url;

            var rows = Current.DB.Query<User>(pager.RawSql, pager.Parameters);
            var total = Current.DB.Query<int>(counter.RawSql, counter.Parameters).First();
            var users = new PagedList<User>(rows, currentPage, perPage, false, total);

            return users;
        }

        public ActionResult Show(int id, string name, string order_by, int? page)
        {
            User user = !Current.User.IsAnonymous && Current.User.Id == id ? Current.User : Current.DB.Users.Get(id);

            if (user == null)
            {
                return PageNotFound();
            }

            // if this user has a display name, and the title is missing or does not match, permanently redirect to it
            if (user.UrlTitle.HasValue() && (string.IsNullOrEmpty(name) || name != user.UrlTitle))
            {
                return PageMovedPermanentlyTo(string.Format("/users/{0}/{1}",user.Id, HtmlUtilities.URLFriendly(user.Login)) + Request.Url.Query);
            }

            DataExplorerDatabase db = Current.DB;

            SetHeader(user.Login);
            SelectMenuItem("Users");

            var profileTabs = new SubHeader
            {
                Selected = order_by,
                Items = new List<SubHeaderViewData>
                {
                    new SubHeaderViewData
                    {
                        Description = "edited",
                        Title = "Recently edited queries",
                        Href = "/users/" + user.Id + "?order_by=edited",
                        Default = true,
                    },
                    new SubHeaderViewData
                    {
                        Description = "favorite",
                        Title = "Favorite queries",
                        Href = "/users/" + user.Id + "?order_by=favorite"
                    },
                    new SubHeaderViewData
                    {
                        Description = "recent",
                        Title = "Recently executed queries",
                        Href = "/users/" + user.Id + "?order_by=recent"
                    }
                }
            };
            ViewData["UserQueryHeaders"] = profileTabs;

            page = Math.Max(page ?? 1, 1);
            int? pagesize = 15; // In case we decide to make this a query param

            int start = ((page.Value - 1) * pagesize.Value) + 1;
            int finish = page.Value * pagesize.Value;
            string message;
            var builder = new SqlBuilder();
            var pager = builder.AddTemplate(@"
                SELECT
                    *
                FROM
                    (
                        SELECT
                            /**select**/, ROW_NUMBER() OVER(/**orderby**/) AS RowNumber
                        FROM
                            Queries q
                            /**join**/
                            /**leftjoin**/
                            /**where**/
                    ) AS results
                WHERE
                    RowNumber BETWEEN @start AND @finish
                ORDER BY
                    RowNumber",
                new { start = start, finish = finish }
            );
            var counter = builder.AddTemplate("SELECT COUNT(*) FROM Queries q /**join**/ /**leftjoin**/ /**where**/");

            if (order_by == "recent")
            {
                builder.Select("re.RevisionId AS Id");
                builder.Select("re.LastRun");
                builder.Select("s.Name AS SiteName");
                builder.Where("re.UserId = @user", new { user = id });
                builder.Join("Revisions r ON r.QueryId = q.Id");
                builder.Join("RevisionExecutions re ON re.RevisionId = r.Id");
                builder.Join("Sites s ON s.Id = re.SiteId");
                builder.Join(@"QuerySets qs ON qs.Id = r.OriginalQuerySetId");
                builder.OrderBy("re.LastRun DESC");

                message = user.Id == CurrentUser.Id ?
                    "You have never ran any queries" : "No queries ran recently";
            }
            else
            {
                builder.Select("qs.CurrentRevisionId AS Id");
                builder.Select("qs.LastActivity AS LastRun");
                builder.Join("Revisions r on r.QueryId = q.Id");
                builder.Join("QuerySets qs on qs.CurrentRevisionId = r.Id");

                if (order_by == "favorite")
                {
//.........这里部分代码省略.........

 public void CanUseWithBuilder()
 {
     var sorts = SortExpression.Parse("This, That descending, [The Other]");
     var b = new SqlBuilder();
     b.OrderBy(sorts);
     var t = b.AddTemplate("{{ORDERBY}}");
     Assert.AreEqual("ORDER BY This ASC , That DESC , [The Other] ASC\r\n", t.RawSql);
 }