{"id":374,"date":"2018-12-24T16:29:31","date_gmt":"2018-12-24T07:29:31","guid":{"rendered":"https:\/\/162.43.49.248\/blog\/?p=374"},"modified":"2018-12-28T21:41:39","modified_gmt":"2018-12-28T12:41:39","slug":"dapper%e3%81%ae%e3%83%9e%e3%83%ab%e3%83%81%e3%83%9e%e3%83%83%e3%83%94%e3%83%b3%e3%82%b0%e6%a9%9f%e8%83%bd%e3%81%a73%e5%b1%a4%e3%83%8d%e3%82%b9%e3%83%88%e3%81%95%e3%82%8c%e3%81%9f%e3%83%aa%e3%82%b9","status":"publish","type":"post","link":"https:\/\/yujiro.work\/blog\/?p=374","title":{"rendered":"Dapper\u306e\u30de\u30eb\u30c1\u30de\u30c3\u30d4\u30f3\u30b0\u6a5f\u80fd\u30673\u5c64\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30ea\u30b9\u30c8\u3092\u53d6\u5f97\u3059\u308b(C#)"},"content":{"rendered":"\n<p>\u304a\u4e45\u3057\u3076\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u5e74\u306fWindows Embedded Compact 7\u306b\u3088\u308b\u30cf\u30f3\u30c7\u30a3\u30bf\u30fc\u30df\u30ca\u30eb\u306e\u958b\u767a\u3070\u304b\u308a\u3084\u3063\u3066\u305f\u306e\u3067\u3059\u304c\u3001\u4eca\u6708\u304b\u3089\u3046\u3063\u3066\u304b\u308f\u3063\u3066Azure Functions V2\u306b\u3088\u308bWeb\u30a2\u30d7\u30ea\u958b\u767a\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p> \u632f\u308c\u5e45\u306e\u5927\u304d\u3055\u306b\u81ea\u5206\u3067\u3082\u7b11\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002 <\/p>\n\n\n\n<p>\u305d\u308c\u306f\u3055\u3066\u304a\u304dDB\u3078\u306e\u30af\u30a8\u30ea\u7d50\u679c\u304b\u3089\u914d\u5217\u304c\u30cd\u30b9\u30c8\u3055\u308c\u305f\u69cb\u9020\u306eJSON\u306b\u5909\u63db\u3059\u308b\u306e\u306b\u7c21\u5358\u306a\u65b9\u6cd5\u306f\u306a\u3044\u3082\u306e\u304b\u8272\u3005\u3068\u60a9\u307f\u307e\u3057\u305f\u304c\u3001\u3042\u307e\u308a\u7c21\u5358\u306a\u65b9\u6cd5\u306f\u306a\u304b\u3063\u305f\u3088\u3046\u3067\u30a8\u30af\u30bb\u30ec\u30f3\u30c8\u306a\u89e3\u6cd5\u3067\u306f\u306a\u3044\u3082\u306e\u306e\u3001\u307e\u3042\u8a31\u5bb9\u3067\u304d\u308b\u7bc4\u56f2\u304b\u3068\u601d\u3063\u305f\u306e\u3067\u691c\u8a3c\u7d50\u679c\u3092\u516c\u958b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u691c\u8a3c\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u6761\u4ef6\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>JOIN\u3059\u308b\u306e\u306f3\u30c6\u30fc\u30d6\u30eb<\/li><li>\u305d\u308c\u305e\u308c\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u5358\u4e00\u30ab\u30e9\u30e0\u306e\u4e3b\u30ad\u30fc\u304c\u3042\u308b<\/li><li>\u30af\u30a8\u30ea\u89e3\u6790\u306b\u306fDapper\u306e\u30de\u30eb\u30c1\u30de\u30c3\u30d4\u30f3\u30b0\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b<\/li><\/ul>\n\n\n\n<p>\n\n\u305d\u3057\u3066\u4ee5\u4e0a\u306e\u6761\u4ef6\u3092\u8e0f\u307e\u3048\u3001<a href=\"https:\/\/dapper-tutorial.net\/result-multi-mapping\">Dapper\u516c\u5f0f\u30b5\u30a4\u30c8\u306e\u30de\u30eb\u30c1\u30de\u30c3\u30d4\u30f3\u30b0\u6a5f\u80fd\u306e\u30bd\u30fc\u30b9<\/a>\u3092\u6539\u5909\u3057\u305f\u691c\u8a3c\u30b3\u30fc\u30c9\u304c\u6b21\u3067\u3059\u3002\n\n<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>using System;\nusing System.Collections.Generic;\nusing System.Linq;\nusing System.Data;\nusing System.Data.SqlClient;\nusing Newtonsoft.Json;\nusing Dapper;\n\nnamespace ConsoleApp1 {\n\n    class Program {\n\n        public class MtProducts {\n            public int ProductID { get; set; }\n            public string ProductName { get; set; }\n        }\n        public class OrderDetail {\n            public int OrderDetailID { get; set; }\n            public List ProductList { get; set; }\n            public int Quantity { get; set; }\n        }\n\n        public class Order {\n            public int OrderID { get; set; }\n            public int CustomerID { get; set; }\n            public int EmployeeID { get; set; }\n            public DateTime OrderDate { get; set; }\n            public int ShipperID { get; set; }\n            public List OrderDetails { get; set; }\n        }\n\n        \/\/\/ \n\n        \/\/\/ Dapper\u30de\u30eb\u30c1\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u691c\u8a3c\n        \/\/\/ original: https:\/\/dapper-tutorial.net\/result-multi-mapping\n        \/\/\/ \n        \/\/\/ \n        static void Main(string[] args) {\n            string sql = @\"\n                    SELECT TOP 10 \n\t                A.OrderID,\n\t                A.CustomerID,\n\t                A.EmployeeID,\n\t                A.OrderDate,\n\t                A.ShipperID,\n\t                B.OrderDetailID,\n\t                B.Quantity,\n\t                MP.ProductID,\n\t                MP.ProductName\n                FROM dbo.Orders AS A \n                INNER JOIN OrderDetails AS B \n                ON A.OrderID = B.OrderID\n                INNER JOIN MtProducts AS MP\n                ON B.ProductID = MP.ProductID\n                          ;\";\n\n            SqlConnectionStringBuilder cb = new SqlConnectionStringBuilder() {\n                DataSource = @\"myserver\\SQLSERVER,1433\",\n                InitialCatalog = \"MyDbName\",\n                UserID = \"myuser\",\n                Password = \"mypassword\",\n                IntegratedSecurity = true\n\n            };\n\n            \/\/ \u51fa\u529b\u7528\u30ea\u30b9\u30c8\n            var orders = new List();\n\n            \/\/ \u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u30c6\u30fc\u30d6\u30eb\u4ee3\u308f\u308a\u306e\u9023\u60f3\u914d\u5217\n            var ordDict = new Dictionary, List>();\n            using (var connection = new SqlConnection(cb.ToString())) {\n\n                \/\/ Query(sql,func map,param)\n                var list = connection.Query(\n                    sql: sql,\n                    map: (ord, detail, products) => {\n                        \/\/ \u73fe\u5728\u306eOrderID\u3068OrderDetailID\u304c\u8aad\u8fbc\u6e08\u3067\u306a\u3051\u308c\u3070\u521d\u671f\u5316\u3059\u308b\n                        var key = new Tuple(ord.OrderID, detail.OrderDetailID);\n                        var pBuf = new List();\n                        if (!ordDict.TryGetValue(key, out pBuf)) {\n                            detail.ProductList = new List();\n                            ord.OrderDetails = new List();\n                            ord.OrderDetails.Add(detail);\n                            ordDict.Add(key, detail.ProductList);\n                            if (orders.Find(x => x.OrderID == ord.OrderID) == null)\n                                orders.Add(ord);\n                        }\n\n                        \/\/ \u73fe\u5728\u306eOrderID\u3068OrderDetailID\u306bproducts\u3092\u30ea\u30b9\u30c8\u8ffd\u52a0\n                        if (ordDict.TryGetValue(key, out pBuf)) {\n                            ordDict[key].Add(products);\n                        }\n                                \n                        \/\/ \u51fa\u529b\u7528\u30ea\u30b9\u30c8\u3092\u691c\u7d22\u3057\u8a2d\u5b9a\u304c\u306a\u3051\u308c\u3070\u8ffd\u52a0\u3001\u8a2d\u5b9a\u6e08\u3067\u3042\u308c\u3070\u4e0a\u66f8\n                        var od1 = orders.First(x => x.OrderID == ord.OrderID);\n                        if (od1 != null) {\n                            var od2 = orders.Find(x => x.OrderID == ord.OrderID).OrderDetails.Find(y => y.OrderDetailID == detail.OrderDetailID);\n                            if (od2 == null) {\n                                \/\/ \u8ffd\u52a0\n                                detail.ProductList = ordDict[key];\n                                orders.Find(x => x.OrderID == ord.OrderID).OrderDetails.Add(detail);\n                            } else {\n                                \/\/ \u4e0a\u66f8\n                                detail.ProductList = ordDict[key];\n                                orders.Find(x => x.OrderID == ord.OrderID).OrderDetails.Find(y => y.OrderDetailID == detail.OrderDetailID).ProductList = detail.ProductList;\n                            }\n                        }\n\n                        \/\/ \u3053\u306e\u623b\u308a\u5024\u306f\u30c0\u30df\u30fc\n                        return ord;\n                    },\n                    commandType: null,\n                    splitOn: \"OrderDetailID,ProductID\"\n                );\n\n                \/\/ \u51fa\u529b\u7528\u30ea\u30b9\u30c8\u3092\u8fd4\u3059\n                var s = JsonConvert.SerializeObject(orders);\n                Console.Write(s);\n            }\n\n        }\n    }\n}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>-- DDL\u306a\u3069\nCREATE TABLE [dbo].[Orders](\n\t[OrderID] [int] NOT NULL,\n\t[CustomerID] [int] NOT NULL,\n\t[EmployeeID] [int] NOT NULL,\n\t[OrderDate] [datetime] NOT NULL,\n\t[ShipperID] [int] NOT NULL,\n CONSTRAINT [PK_Orders] PRIMARY KEY CLUSTERED \n(\n\t[OrderID] ASC\n)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]\n) ON [PRIMARY]\nGO\nCREATE TABLE [dbo].[OrderDetails](\n\t[OrderDetailID] [int] NOT NULL,\n\t[OrderID] [int] NOT NULL,\n\t[ProductID] [int] NOT NULL,\n\t[Quantity] [int] NOT NULL,\n CONSTRAINT [PK_OrderDetail] PRIMARY KEY CLUSTERED \n(\n\t[OrderDetailID] ASC\n)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]\n) ON [PRIMARY]\nGO\nCREATE TABLE [dbo].[MtProducts](\n\t[ProductID] [int] NOT NULL,\n\t[ProductName] [ntext] NULL,\n CONSTRAINT [PK_MtProducts] PRIMARY KEY CLUSTERED \n(\n\t[ProductID] ASC\n)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]\n) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]\nGO\nINSERT INTO [dbo].[MtProducts]([ProductID],[ProductName]) VALUES (1,'\u8089');\nINSERT INTO [dbo].[MtProducts]([ProductID],[ProductName]) VALUES (2,'\u9b5a');\nINSERT INTO [dbo].[MtProducts]([ProductID],[ProductName]) VALUES (3,'\u7c73');\nGO\nINSERT INTO [dbo].[Orders]([OrderID],[CustomerID],[EmployeeID],[OrderDate],[ShipperID]) VALUES (10248,90,5,'2018\/07\/04 12:00:00',3);\nINSERT INTO [dbo].[Orders]([OrderID],[CustomerID],[EmployeeID],[OrderDate],[ShipperID]) VALUES (10249,81,6,'2018\/07\/05 12:00:00',1);\nINSERT INTO [dbo].[Orders]([OrderID],[CustomerID],[EmployeeID],[OrderDate],[ShipperID]) VALUES (10250,34,4,'2018\/07\/06 12:00:00',2);\nINSERT INTO [dbo].[Orders]([OrderID],[CustomerID],[EmployeeID],[OrderDate],[ShipperID]) VALUES (10251,84,3,'2018\/07\/07 12:00:00',1);\nGO\nINSERT INTO [dbo].[OrderDetails]([OrderDetailID],[OrderID],[ProductID],[Quantity]) VALUES (1,10248,1,12);\nINSERT INTO [dbo].[OrderDetails]([OrderDetailID],[OrderID],[ProductID],[Quantity]) VALUES (2,10248,2,10);\nINSERT INTO [dbo].[OrderDetails]([OrderDetailID],[OrderID],[ProductID],[Quantity]) VALUES (3,10249,3,5);\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u30ec\u30b3\u30fc\u30c9\u306e\u8aad\u8fbc\u5224\u5b9a\u306b\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u3092\u7528\u3044\u308b<\/li><li>\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u306b\u683c\u7d0d\u3059\u308b\u306e\u306f\u6700\u4e0b\u5c64\u306e\u914d\u5217<\/li><li>\u6700\u7d42\u7684\u306b\u51fa\u529b\u3059\u308b\u30ea\u30b9\u30c8\u306b\u3072\u3068\u307e\u305a\u8ffd\u52a0\u3057\u3001\u8ffd\u52a0\u6e08\u307f\u3067\u3042\u308c\u3070\u4e0a\u66f8\u3059\u308b<\/li><\/ul>\n\n\n\n<p>\u3058\u3083\u30423\u968e\u5c64\u3092\u8d85\u3048\u305f\u30cd\u30b9\u30c8\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u3093\u3060\u3001\u3068\u3044\u3046\u7591\u554f\u306b\u3064\u3044\u3066\u306f<\/p>\n\n\n\n<p>\n\n\u300c3\u968e\u5c64\u76ee\u304b\u3089\u30e1\u30bd\u30c3\u30c9\u5206\u5272\u3057\u3066\u5225\u9014Query\u547c\u3073\u51fa\u305b\u3070\u3044\u3044\u3093\u3058\u3083\u306d\uff1f\u300d\n\n<\/p>\n\n\n\n<p>\u3068\u601d\u3063\u305f\u308a\u3057\u307e\u3059\u304c\u3001Dapper\u306eQuery\u304c\u30cd\u30b9\u30c8\u3057\u3066\u547c\u3073\u51fa\u305b\u308b\u304b\u3069\u3046\u304b\u8a66\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u65ad\u8a00\u306f\u51fa\u6765\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u305d\u308c\u306b\u3057\u3066\u3082Wordpress\u3092\u66f4\u65b0\u3057\u305f\u3089\u3001\u524d\u306e\u3088\u3046\u306a\u8a18\u8ff0\u304c\u51fa\u6765\u306a\u304f\u306a\u3063\u3066\u3001\u3084\u305f\u3089\u5e73\u5766\u3066\u7c21\u7d20\u306a\u66f8\u304d\u65b9\u3092\u5f37\u3044\u3089\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3082\u30b7\u30f3\u30bf\u30c3\u30af\u30b9\u30cf\u30a4\u30e9\u30a4\u30bf\u30fc\u304c\u52d5\u304b\u3093\u306e\u3067\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u898b\u3065\u3089\u3044\u3057\u30fb\u30fb\u30fb\u3002<\/p>\n\n\n\n<p>\u52dd\u624b\u306b\u5909\u3048\u308b\u306a\u3088\u30fb\u30fb\u30fb\u3068\u601d\u3063\u3066\u3082\u3001\u4f55\u3082\u8003\u3048\u305a\u3088\u304f\u77e5\u3089\u306a\u3044Wordpress\u3092\u9078\u3093\u3060\u79c1\u306e\u81ea\u696d\u81ea\u5f97\u306a\u306e\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u304a\u4e45\u3057\u3076\u308a\u3067\u3059\u3002 \u4eca\u5e74\u306fWindows Embedded Compact 7\u306b\u3088\u308b\u30cf\u30f3\u30c7\u30a3\u30bf\u30fc\u30df\u30ca\u30eb\u306e\u958b\u767a\u3070\u304b\u308a\u3084\u3063\u3066\u305f\u306e\u3067\u3059\u304c\u3001\u4eca\u6708\u304b\u3089\u3046\u3063\u3066\u304b\u308f\u3063\u3066Azure Functions V2\u306b\u3088\u308bWeb\u30a2\u30d7\u30ea\u958b\u767a\u306b\u306a\u308a\u307e\u3057 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"footnotes":""},"categories":[12],"tags":[31,32],"class_list":["post-374","post","type-post","status-publish","format-aside","hentry","category-12","tag-c","tag-dapper","post_format-post-format-aside"],"_links":{"self":[{"href":"https:\/\/yujiro.work\/blog\/index.php?rest_route=\/wp\/v2\/posts\/374","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yujiro.work\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yujiro.work\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yujiro.work\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/yujiro.work\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=374"}],"version-history":[{"count":9,"href":"https:\/\/yujiro.work\/blog\/index.php?rest_route=\/wp\/v2\/posts\/374\/revisions"}],"predecessor-version":[{"id":387,"href":"https:\/\/yujiro.work\/blog\/index.php?rest_route=\/wp\/v2\/posts\/374\/revisions\/387"}],"wp:attachment":[{"href":"https:\/\/yujiro.work\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yujiro.work\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yujiro.work\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}