{"id":445,"date":"2023-04-15T12:41:20","date_gmt":"2023-06-25T02:10:51","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/%e3%83%8d%e3%82%a4%e3%83%86%e3%82%a3%e3%83%96%e3%81%aa%e6%97%a5%e6%9c%ac%e8%aa%9e%e3%81%a7%e4%bb%a5%e4%b8%8b%e3%82%92%e8%a8%80%e3%81%84%e6%8f%9b%e3%81%88%e3%81%a6%e3%81%8f%e3%81%a0%e3%81%95%e3%81%84\/"},"modified":"2025-07-31T23:39:19","modified_gmt":"2025-07-31T14:39:19","slug":"%e3%83%8d%e3%82%a4%e3%83%86%e3%82%a3%e3%83%96%e3%81%aa%e6%97%a5%e6%9c%ac%e8%aa%9e%e3%81%a7%e4%bb%a5%e4%b8%8b%e3%82%92%e8%a8%80%e3%81%84%e6%8f%9b%e3%81%88%e3%81%a6%e3%81%8f%e3%81%a0%e3%81%95%e3%81%84","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%83%8d%e3%82%a4%e3%83%86%e3%82%a3%e3%83%96%e3%81%aa%e6%97%a5%e6%9c%ac%e8%aa%9e%e3%81%a7%e4%bb%a5%e4%b8%8b%e3%82%92%e8%a8%80%e3%81%84%e6%8f%9b%e3%81%88%e3%81%a6%e3%81%8f%e3%81%a0%e3%81%95%e3%81%84\/","title":{"rendered":"\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u65e5\u672c\u8a9e\u3067\u4ee5\u4e0b\u3092\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u30aa\u30d7\u30b7\u30e7\u30f3\u306f1\u3064\u3060\u3051\u3067\u3059\uff1aMongoDB\u306efindAndModify()\u306e\u4f8b"},"content":{"rendered":"

MongoDB\u306efindAndModify()\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u5165\u529b\u3055\u308c\u305f\u9078\u629e\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u5358\u4e00\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u4fee\u6b63\u304a\u3088\u3073\u8fd4\u3057\u307e\u3059\u3002\u8fd4\u3055\u308c\u305f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u66f4\u65b0\u5f8c\u306e\u5185\u5bb9\u3092\u8868\u793a\u3057\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u3067\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u3001upsert\u304ctrue\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u65b0\u3057\u3044\u30ec\u30b3\u30fc\u30c9\u304c\u633f\u5165\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u65e5\u672c\u8a9e\u3067\u4ee5\u4e0b\u306e\u6587\u3092\u8a00\u3044\u63db\u3048\u307e\u3059\u3002\uff11\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u307f\u5fc5\u8981\u3067\u3059\uff1a
\n\u300cMongoDB\u306efindAndModify()\u30e1\u30bd\u30c3\u30c9\u300d<\/h2>\n

mongodb\u306efindAndModify\u30e1\u30bd\u30c3\u30c9\u306e\u69cb\u6587\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

db.collection.findAndModify({\r\n    query: <document>,\r\n    sort: <document>,\r\n    new: <boolean>,\r\n    fields: <document>,\r\n    upsert: <boolean>\r\n})\r\n<\/code><\/pre>\n
\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8aac\u660e\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002query\uff1a\u3069\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3092\u9078\u629e\u57fa\u6e96\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u307e\u3059\u3002sort\uff1a\u9078\u629e\u57fa\u6e96\u304c\u8907\u6570\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306b\u3001\u3069\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u5909\u66f4\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002new\uff1a\u5909\u66f4\u3055\u308c\u305f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002fields\uff1a\u8fd4\u3055\u308c\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u30bb\u30c3\u30c8\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002upsert\uff1a\u9078\u629e\u57fa\u6e96\u304c\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53d6\u5f97\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u65b0\u3057\u3044\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
MongoDB\u306efindAndModify\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8<\/h3>\n
MongoDB\u306efindAndModify\u547c\u3073\u51fa\u3057\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u5fc3\u306b\u7559\u3081\u3066\u304a\u304f\u3079\u304d\u3053\u3068\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n
    \n
  • If the entered selection criteria does not fetch any document and if upsert is set to true, then the specified values are inserted and a new document is created.<\/li>\n
  • If the entered selection criteria does not fetch any document while performing update or remove operations, the output returned is null.<\/li>\n
  • If the new option is set to false and sort operation is not mentioned, the output returned is null.<\/li>\n
  • If the new option is set to false and sort operation is specified, the output is empty.<\/li>\n<\/ul>\n
    MongoDB\u306efindAndModify\u306e\u4f8b<\/h3>\n
    \u4eca\u3001findAndModify API\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u793a\u3059\u3044\u304f\u3064\u304b\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u307e\u305a\u306f\u3001\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002\u30e2\u30f3\u30b4\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u901a\u3058\u3066\u3001\u540d\u524d\u3001\u8272\u3001\u8eca\u306e\u756a\u53f7\uff08cno\uff09\u3001\u901f\u5ea6\u3001\u304a\u3088\u3073\u88fd\u9020\u56fd\uff08mfdcountry\uff09\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u6301\u3064\u65b0\u3057\u3044\u8eca\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
    db.car.insert(\r\n[\r\n{ _id: 1, name: \"Alto\", color: \"Red\",cno: \"H410\",speed:40,mfdcountry: \"India\"},\r\n{ _id: 2, name: \"Polo\", color: \"White\",cno: \"H411\",speed:45,mfdcountry: \"Japan\" },\r\n{ _id: 3, name: \"Audi\", color: \"Black\",cno: \"H412\",speed:50,mfdcountry: \"Germany\" }\r\n]\r\n)\r\n<\/code><\/pre>\n
    \u4eca\u3001MongoDB\u306efind\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u304c\u5b9f\u969b\u306b\u633f\u5165\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
    db.car.find()\r\n{ \"_id\" : 1, \"name\" : \"Alto\", \"color\" : \"Red\", \"cno\" : \"H410\", \"speed\" : 40, \"mfdcountry\" : \"India\" }\r\n{ \"_id\" : 2, \"name\" : \"Polo\", \"color\" : \"White\", \"cno\" : \"H411\", \"speed\" : 45, \"mfdcountry\" : \"Japan\" }\r\n{ \"_id\" : 3, \"name\" : \"Audi\", \"color\" : \"Black\", \"cno\" : \"H412\", \"speed\" : 50, \"mfdcountry\" : \"Germany\" }\r\n<\/code><\/pre>\n
    \u5b9f\u969b\u306e\u300c\u691c\u7d22\u3057\u3066\u5909\u66f4\u3059\u308b\u300d\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u79fb\u308a\u307e\u3059\u304c\u3001\u79c1\u305f\u3061\u306f\u3055\u307e\u3056\u307e\u306a\u53ef\u80fd\u6027\u3092\u63cf\u304d\u307e\u3059\u3002\u30b1\u30fc\u30b91\uff1a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
    db.car.findAndModify({\r\nquery: { name: \"Alto\" },\r\nsort: { cno: 1 },\r\nupdate: { $inc: { speed: 10 } },\r\n})\r\n<\/code><\/pre>\n
      \n
    1. \n
        \u30af\u30a8\u30ea\u306f\u3001\u540d\u524d\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u304c\u300cAlto\u300d\u3068\u306a\u3063\u3066\u3044\u308b\u8eca\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u6587\u66f8\u3092\u691c\u7d22\u3057\u307e\u3059\u3002<\/ol>\n<\/li>\n<\/ol>\n
         <\/p>\n
          \n
        1. \n
            \u30bd\u30fc\u30c8\u306f\u3001\u30af\u30a8\u30ea\u7d50\u679c\u3092\u6607\u9806\u3067\u4e26\u3079\u66ff\u3048\u307e\u3059\u3002\u8907\u6570\u306e\u6587\u66f8\u304c\u30af\u30a8\u30ea\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u5834\u5408\u3001\u3053\u306e\u30bd\u30fc\u30c8\u306b\u5f93\u3063\u3066\u6700\u521d\u306e\u6587\u66f8\u304c\u5909\u66f4\u306e\u5bfe\u8c61\u3068\u3057\u3066\u9078\u629e\u3055\u308c\u307e\u3059\u3002<\/ol>\n<\/li>\n<\/ol>\n
             <\/p>\n
              \n
            1. \n
                \u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u3001\u901f\u5ea6\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u309210\u5897\u52a0\u3055\u305b\u307e\u3059\u3002<\/ol>\n<\/li>\n<\/ol>\n
                 <\/p>\n
                  \u3053\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u305f\u3081\u306b\u9078\u629e\u3055\u308c\u305f\u3082\u3068\u3082\u3068\u306e\u6587\u66f8\u304c\u30e1\u30bd\u30c3\u30c9\u304b\u3089\u8fd4\u3055\u308c\u307e\u3059\u3002<\/ol>\n
                  \u51fa\u529b\uff1a<\/p>\n
                  {\r\n\"_id\" : 1,\r\n\"name\" : \"Alto\",\r\n\"color\" : \"Red\",\r\n\"cno\" : \"H410\",\r\n\"speed\" : 40,\r\n\"mfdcountry\" : \"India\"\r\n}\r\n<\/code><\/pre>\n
                  \u30b1\u30fc\u30b92\uff1a\u65b0\u3057\u3044\u30aa\u30d7\u30b7\u30e7\u30f3\u3092true\u306b\u8a2d\u5b9a\u3059\u308b\uff08\u66f4\u65b0\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u8fd4\u3059\uff09<\/p>\n
                  db.car.findAndModify({\r\nquery: { name: \"HondaCity\", color: \"Silver\", cno:\"H415\" ,speed: 25 },\r\nsort: { cno: 1 },\r\nupdate: { $inc: { speed: 20 } },\r\nupsert: true,\r\nnew: true\r\n})\r\n<\/code><\/pre>\n
                  \u51fa\u529b\uff1a<\/p>\n
                  {\r\n\"_id\" : ObjectId(\"546c9f347256eabc40c9da1c\"),\r\n\"cno\" : \"H415\",\r\n\"color\" : \"Silver\",\r\n\"name\" : \"HondaCity\",\r\n\"speed\" : 45\r\n}\r\n<\/code><\/pre>\n
                  \u901f\u5ea6\u306f45\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u65b0\u3057\u3044\u5024\u3068\u3057\u3066\u8a2d\u5b9a\u3057\u305f\u305f\u3081\u3067\u3059\u3002\u3082\u3057\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u66f4\u65b0\u3055\u308c\u308b\u524d\u306e\u5024\u3067\u3042\u308b20\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u30b1\u30fc\u30b93\u3067\u306f\u3001upsert\u306ftrue\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
                  db.car.findAndModify({\r\nquery: { name: \"WagonR\" },\r\nsort: { cno: 1 },\r\nupdate: { $inc: { speed: 5 } },\r\nupsert: <strong>true<\/strong>\r\n})\r\n<\/code><\/pre>\n
                  \u51fa\u529b:<\/p>\n
                  db.car.find();\r\n{ \"_id\" : 1, \"name\" : \"Alto\", \"color\" : \"Red\", \"cno\" : \"H410\", \"speed\" : 50, \"mfdcountry\" : \"India\" }\r\n{ \"_id\" : 2, \"name\" : \"Polo\", \"color\" : \"White\", \"cno\" : \"H411\", \"speed\" : 45, \"mfdcountry\" : \"Japan\" }\r\n{ \"_id\" : 3, \"name\" : \"Audi\", \"color\" : \"Black\", \"cno\" : \"H412\", \"speed\" : 50, \"mfdcountry\" : \"Germany\" }\r\n{ \"_id\" : ObjectId(\"546c7c7d6be0faf69ee36546\"), \"name\" : \"WagonR\", \"speed\" : 5 }\r\n<\/code><\/pre>\n
                  WagonR\u306e\u8eca\u540d\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u5b58\u5728\u3057\u306a\u3044\u305f\u3081\u3001\u65b0\u3057\u3044\u6587\u66f8\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u30bd\u30fc\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306f\u7a7a\u306e\u6587\u66f8\u300c{}\u300d\u3092\u8fd4\u3057\u307e\u3059\u3002\u30bd\u30fc\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306fnull\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u52a0\u3048\u3066\u3001\u30bd\u30fc\u30c8\u3068\u524a\u9664\u306e\u64cd\u4f5c\u306b\u3082\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u524a\u9664\u30d5\u30a3\u30fc\u30eb\u30c9\u304ctrue\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u6307\u5b9a\u3055\u308c\u305f\u6761\u4ef6\u306e\u8eca\u540d\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u524a\u9664\u3055\u308c\u307e\u3059\u3002<\/p>\n
                  db.car.findAndModify(\r\n{\r\nquery: { name: \"Alto\" },\r\nsort: { cno: 1 },\r\nremove: true\r\n}\r\n)\r\n<\/code><\/pre>\n
                  \u4ee5\u4e0b\u306e\u6587\u3092\u65e5\u672c\u8a9e\u3067\u5b8c\u5168\u306b\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\uff08\u4e00\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3060\u3051\u3067\u69cb\u3044\u307e\u305b\u3093\uff09\uff1a<\/p>\n
                  \u51fa\u529b\uff1a<\/p>\n
                  {\r\n\"_id\" : 1,\r\n\"name\" : \"Alto\",\r\n\"color\" : \"Red\",\r\n\"cno\" : \"H410\",\r\n\"speed\" : 50,\r\n\"mfdcountry\" : \"India\"\r\n}\r\n<\/code><\/pre>\n
                  \u300c\u524a\u9664\u300d\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u300ctrue\u300d\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u300cAlto\u300d\u3068\u3044\u3046\u540d\u524d\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u524a\u9664\u3055\u308c\u307e\u3059\u3002<\/p>\n
                  \u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u65e5\u672c\u8a9e\u3067\u4ee5\u4e0b\u3092\u8a00\u3044\u63db\u3048\u307e\u3059\uff08\u4e00\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u307f\uff09\uff1a
                  \nMongoDB\u306efindAndModify\u306eJava\u306e\u4f8b<\/h3>\n
                  \u4e0a\u8a18\u3067\u793a\u3055\u308c\u3066\u3044\u308b\u64cd\u4f5c\u306f\u3001\u3059\u3079\u3066mongo shell\u3092\u4f7f\u7528\u3057\u3066\u624b\u52d5\u3067\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u540c\u3058\u64cd\u4f5c\u3092Java\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f7f\u3063\u3066\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u307e\u305a\u3001Mongo\u30c9\u30e9\u30a4\u30d0\u30fc\u306ejar\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001\u30af\u30e9\u30b9\u30d1\u30b9\u306b\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306b\u3001Mongo\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066mongodb\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306e\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u63a5\u7d9a\u306e\u305f\u3081\u306b\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u540d\u524d\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u3001\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u3044\u304f\u3064\u304b\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u8ffd\u52a0\u3057\u3001findAndModify\u64cd\u4f5c\u3092\u884c\u3044\u3001\u30ec\u30b3\u30fc\u30c9\u304c\u5b9f\u969b\u306b\u66f4\u65b0\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001mongo java\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u30d0\u30fc\u30b8\u30e7\u30f32.x\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n
                  package com.scdev.mongodb;\r\n\r\nimport java.net.UnknownHostException;\r\n\r\nimport com.mongodb.BasicDBObject;\r\nimport com.mongodb.DB;\r\nimport com.mongodb.DBCollection;\r\nimport com.mongodb.DBCursor;\r\nimport com.mongodb.DBObject;\r\nimport com.mongodb.MongoClient;\r\n\r\npublic class MongoDBFindAndModify {\r\n\r\n\tpublic static void main(String[] args) throws UnknownHostException {\r\n\t\t\/\/ Get a new connection to the db assuming it is running.\r\n\t\tMongoClient mongoClient = new MongoClient(\"localhost\");\r\n\t\t\/\/ use test as the database. Use your database here.\r\n\t\tDB db = mongoClient.getDB(\"test\");\r\n\r\n\t\tDBCollection coll = db.getCollection(\"car\");\r\n\t\t\r\n\t\t\/\/ insert some test data to start with.\r\n\t\tBasicDBObject obj = new BasicDBObject();\r\n\t\tobj.append(\"name\", \"Volkswagen\");\r\n\t\tobj.append(\"color\", \"JetBlue\");\r\n\t\tobj.append(\"cno\", \"H672\");\r\n\t\tobj.append(\"speed\", 62);\r\n\t\tobj.append(\"mfdcountry\", \"Italy\");\r\n\t\tcoll.insert(obj);\r\n\t\t\r\n\t\t\/\/ findAndModify operation. Update colour to blue for cars having speed\r\n\t\t\/\/ < 45\r\n\t\tDBObject query = new BasicDBObject(\"speed\",\r\n\t\t\t\tnew BasicDBObject(\"$lt\", 45));\r\n\t\tDBObject update = new BasicDBObject();\r\n\t\tupdate.put(\"$set\", new BasicDBObject(\"color\", \"Blue\"));\r\n\t\tDBCursor cursor = coll.find();\r\n\t\ttry {\r\n\t\t\twhile (cursor.hasNext()) {\r\n\t\t\t\tSystem.out.println(cursor.next());\r\n\t\t\t}\r\n\t\t} finally {\r\n\t\t\tcursor.close();\r\n\t\t}\r\n\t\tcoll.findAndModify(query, update);\r\n\t}\r\n}\r\n<\/code><\/pre>\n
                  \u7d50\u679c\uff1a<\/p>\n
                  \/\/Test Data Before Insert\r\n{ \"_id\" : 2.0 , \"name\" : \"Polo\" , \"color\" : \"White\" , \"cno\" : \"H411\" , \"speed\" : 45.0 , \"mfdcountry\" : \"Japan\"}\r\n{ \"_id\" : 3.0 , \"name\" : \"Audi\" , \"color\" : \"Black\" , \"cno\" : \"H412\" , \"speed\" : 50.0 , \"mfdcountry\" : \"Germany\"}\r\n\r\n\r\n\/\/Test Data After insert\r\n{ \"_id\" : 2.0 , \"name\" : \"Polo\" , \"color\" : \"White\" , \"cno\" : \"H411\" , \"speed\" : 45.0 , \"mfdcountry\" : \"Japan\"}\r\n{ \"_id\" : 3.0 , \"name\" : \"Audi\" , \"color\" : \"Black\" , \"cno\" : \"H412\" , \"speed\" : 50.0 , \"mfdcountry\" : \"Germany\"}\r\n{ \"_id\" : { \"$oid\" : \"546cc76093f404729e2e946e\"} , \"name\" : \"Volkswagen\" , \"color\" : \"JetBlue\" , \"cno\" : \"H672\" , \"speed\" : 62 , \"mfdcountry\" : \"Italy\"}\r\n\r\n\r\n\/*Test Data Before findandModify\r\n{ \"_id\" : 2.0 , \"name\" : \"Polo\" , \"color\" : \"White\" , \"cno\" : \"H411\" , \"speed\" : 45.0 , \"mfdcountry\" : \"Japan\"}\r\n{ \"_id\" : 3.0 , \"name\" : \"Audi\" , \"color\" : \"Black\" , \"cno\" : \"H412\" , \"speed\" : 50.0 , \"mfdcountry\" : \"Germany\"}\r\n{ \"_id\" : { \"$oid\" : \"546cc76093f404729e2e946e\"} , \"name\" : \"Volkswagen\" , \"color\" : \"JetBlue\" , \"cno\" : \"H672\" , \"speed\" : 62 , \"mfdcountry\" : \"Italy\"}\r\n{ \"_id\" : { \"$oid\" : \"546c7c7d6be0faf69ee36546\"} , \"name\" : \"WagonR\" , \"speed\" : 5.0}\r\n\r\n\r\n\/*Test Data After findAndModify\r\n{ \"_id\" : 2.0 , \"name\" : \"Polo\" , \"color\" : \"White\" , \"cno\" : \"H411\" , \"speed\" : 45.0 , \"mfdcountry\" : \"Japan\"}\r\n{ \"_id\" : 3.0 , \"name\" : \"Audi\" , \"color\" : \"Black\" , \"cno\" : \"H412\" , \"speed\" : 50.0 , \"mfdcountry\" : \"Germany\"}\r\n{ \"_id\" : { \"$oid\" : \"546cc76093f404729e2e946e\"} , \"name\" : \"Volkswagen\" , \"color\" : \"JetBlue\" , \"cno\" : \"H672\" , \"speed\" : 62 , \"mfdcountry\" : \"Italy\"}\r\n{ \"_id\" : { \"$oid\" : \"546c7c7d6be0faf69ee36546\"} , \"name\" : \"WagonR\" , \"speed\" : 5.0 , \"color\" : \"Blue\"}\r\n<\/code><\/pre>\n
                  \u3082\u3057MongoDB\u306eJava\u30c9\u30e9\u30a4\u30d0\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c3.x\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5229\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
                  package com.scdev.mongodb.main;\r\n\r\nimport java.net.UnknownHostException;\r\n\r\nimport org.bson.Document;\r\nimport org.bson.conversions.Bson;\r\n\r\nimport com.mongodb.MongoClient;\r\nimport com.mongodb.client.FindIterable;\r\nimport com.mongodb.client.MongoCollection;\r\nimport com.mongodb.client.MongoDatabase;\r\n \r\npublic class MongoDBFindAndModify {\r\n \r\n    public static void main(String[] args) throws UnknownHostException {\r\n        \/\/ Get a new connection to the db assuming it is running.\r\n        MongoClient mongoClient = new MongoClient(\"localhost\");\r\n        \r\n        \/\/ use test as the database. Use your database here.\r\n        MongoDatabase db = mongoClient.getDatabase(\"test\");\r\n \r\n        MongoCollection<Document> coll = db.getCollection(\"car\");\r\n         \r\n        \/\/ insert some test data to start with.\r\n        Document obj = new Document();\r\n        obj.append(\"name\", \"Volkswagen\");\r\n        obj.append(\"color\", \"JetBlue\");\r\n        obj.append(\"cno\", \"H672\");\r\n        obj.append(\"speed\", 62);\r\n        obj.append(\"mfdcountry\", \"Italy\");\r\n        coll.insertOne(obj);\r\n         \r\n        \/\/ findAndModify operation. Update color to blue for cars having speed > 45\r\n        Bson query = new Document(\"speed\",\r\n                new Document(\"$gt\", 45));\r\n        Bson update = new Document(\"$set\", \r\n        \t\t\tnew Document(\"color\", \"Blue\"));\r\n        \r\n        System.out.println(\"before update\");\r\n        findAndPrint(coll);\r\n        \r\n        coll.findOneAndUpdate(query, update);\r\n        \r\n        System.out.println(\"after update of color field\");\r\n        findAndPrint(coll);\r\n        \r\n        mongoClient.close();\r\n\r\n    }\r\n\r\n\tprivate static void findAndPrint(MongoCollection<Document> coll) {\r\n\t\tFindIterable<Document> cursor = coll.find();\r\n        \r\n\t\tfor (Document d : cursor)\r\n\t\t\tSystem.out.println(d);\r\n\t}\r\n}\r\n<\/code><\/pre>\n
                  \"mongodb<\/div>\n","protected":false},"excerpt":{"rendered":"
                  MongoDB\u306efindAndModify()\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u5165\u529b\u3055\u308c\u305f\u9078\u629e\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u5358\u4e00\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u4fee\u6b63\u304a\u3088\u3073\u8fd4\u3057\u307e\u3059\u3002\u8fd4\u3055\u308c\u305f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u66f4\u65b0\u5f8c\u306e\u5185\u5bb9\u3092\u8868\u793a\u3057\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u3067\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-445","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"\n\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u65e5\u672c\u8a9e\u3067\u4ee5\u4e0b\u3092\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u30aa\u30d7\u30b7\u30e7\u30f3\u306f1\u3064\u3060\u3051\u3067\u3059\uff1aMongoDB\u306efindAndModify()\u306e\u4f8b - 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