{"id":50717,"date":"2020-12-04T00:00:00","date_gmt":"2020-12-04T08:00:00","guid":{"rendered":"https:\/\/griddb-linux-hte8hndjf8cka8ht.westus-01.azurewebsites.net\/%e6%9c%aa%e5%88%86%e9%a1%9e\/analyzing-jaipur-weather-forecasting-data-with-griddb-and-node-js\/"},"modified":"2025-11-14T07:54:15","modified_gmt":"2025-11-14T15:54:15","slug":"analyzing-jaipur-weather-forecasting-data-with-griddb-and-node-js","status":"publish","type":"post","link":"https:\/\/griddb-linux-hte8hndjf8cka8ht.westus-01.azurewebsites.net\/ja\/%e6%9c%aa%e5%88%86%e9%a1%9e\/analyzing-jaipur-weather-forecasting-data-with-griddb-and-node-js\/","title":{"rendered":"GridDB\u3068Node.js\u3067\u30b8\u30e3\u30a4\u30d7\u30fc\u30eb\u306e\u5929\u6c17\u4e88\u5831\u30c7\u30fc\u30bf\u3092\u5206\u6790\u3059\u308b"},"content":{"rendered":"

\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8<\/h2>\n

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001GridDB\u3068Node.js\u3092\u4f7f\u3063\u3066\u5929\u6c17\u4e88\u5831\u306e\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u5206\u6790\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f \u300c\u30b8\u30e3\u30a4\u30d7\u30fc\u30eb\u5e02\u306e\u5929\u6c17\u4e88\u5831\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u300d \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306f\u3001\u3053\u3053\u304b\u3089<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306f\u3001\u30a4\u30f3\u30c9\u306e\u30b8\u30e3\u30a4\u30d7\u30fc\u30eb\u5e02\u306e2016\u5e745\u67081\u65e5\u304b\u30892018\u5e743\u670811\u65e5\u307e\u3067\u306e\u6c17\u8c61\u30c7\u30fc\u30bf\u3067\u3059\u3002\u6c17\u8c61\u3092\u63cf\u5199\u3059\u308b\u30ab\u30e9\u30e0\u5c5e\u6027\u306f40\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002\u6b21\u306e\u8868\u3067\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u5c5e\u6027\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n

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\"\"<\/p>\n

\u5b9f\u88c5\u306e\u524d\u306b\u3001Node.js\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u3063\u3066GridDB\u30b5\u30fc\u30d0\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u74b0\u5883\u8a2d\u5b9a<\/h2>\n

Node.js\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u8a2d\u5b9a\u3059\u308b\u306b\u306f\u3001\u3053\u306e\u30d6\u30ed\u30b0<\/a>\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u30bd\u30fc\u30b9\u3067\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3057\u3001Node Package Manager (npm)\u3067GridDB\u3092\u4f7f\u3046\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002GridDB npm\u30d1\u30c3\u30b1\u30fc\u30b8<\/a>\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306f\u3001\u3053\u306e\u30da\u30fc\u30b8\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u624b\u9806\u306b\u3064\u3044\u3066\u306f\u6271\u3044\u307e\u305b\u3093\u3002\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u9032\u3080\u524d\u306b\u3001\u524d\u8ff0\u306e\u30d6\u30ed\u30b0\u3067\u8aac\u660e\u3057\u3066\u3044\u308b\u65b9\u6cd5\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3001\u74b0\u5883\u8a2d\u5b9a\u304c\u5b8c\u4e86\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u3053\u307e\u3067\u3067node.js\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001GridDB\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u5b9f\u88c5<\/h2>\n

\u307e\u305a\u3001\u6b21\u306e\u3088\u3046\u306bGridDB\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n

\n
const griddb = require('griddb_node');\n<\/code><\/pre>\n<\/div>\n
\u6b21\u306b\u3001\u6b63\u3057\u3044\u30db\u30b9\u30c8\u540d\u3001\u30af\u30e9\u30b9\u30bf\u540d\u3001\u30e6\u30fc\u30b6\u540d\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3069\u3092\u6307\u5b9a\u3057\u3066\u3001GridStore\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
\n
const factory = griddb.StoreFactory.getInstance();\n        const gridStore = factory.getStore({\n            \"host\": '239.0.0.1',\n            \"port\": 31999,\n            \"clusterName\": \"defaultCluster\",\n            \"username\": \"admin\",\n            \"password\": \"admin\"\n        });\n<\/code><\/pre>\n<\/div>\n
\u3053\u308c\u3067\u30b3\u30f3\u30c6\u30ca\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u7c21\u5358\u306e\u305f\u3081\u4eca\u56de\u306f\u30b3\u30f3\u30c6\u30ca\u30921\u3064\u3060\u3051\u4f7f\u3044\u307e\u3059\u304c\u3001\u30b7\u30ca\u30ea\u30aa\u306b\u5fdc\u3058\u3066\u30b3\u30fc\u30c9\u3092\u62e1\u5f35\u3057\u3001\u30b3\u30f3\u30c6\u30ca\u3092\u8907\u6570\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
\n
const colConInfo = new griddb.ContainerInfo({\n    'name': \"Weather\",\n    'columnInfoList': [\n        [\"date\", griddb.Type.TIMESTAMP],\n        [\"meantempm\", griddb.Type.STRING],\n        [\"meandewptm\", griddb.Type.INTEGER],\n        [\"meanpressurem\", griddb.Type.DOUBLE],\n        [\"maxhumidity\", griddb.Type.INTEGER],\n    ],\n    'type': griddb.ContainerType.TIME_SERIES, 'rowKey': true\n});<\/code><\/pre>\n<\/div>\n
\u3053\u306e\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3067\u30b3\u30f3\u30c6\u30ca\u540d\u3092 \u300cWeather\u300d \u3068\u3064\u3051\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u683c\u7d0d\u3059\u308b\u30ab\u30e9\u30e0\u306e\u9805\u76ee\u3092\u6307\u5b9a\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u3046\u3061\u306e\u65e5\u4ed8\u306e\u5c5e\u6027\u306fTIMESTAMP<\/code>\u578b\u3067\u3001\u3053\u308c\u306f\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306e\u5c5e\u6027\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u3044\u307e\u3059\u3002\u5e73\u5747\u6c17\u5727\u306e\u5c5e\u6027\u306b\u306f DOUBLE<\/code> \u578b\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3044\u3001\u4eca\u56de\u306e\u5206\u6790\u3067\u4f7f\u3046\u4ed6\u306e\u5c5e\u6027\u306f\u3059\u3079\u3066INTEGER<\/code>\u578b\u3092\u4f7f\u3044\u307e\u3059\u3002\u6700\u5f8c\u306e\u884c\u3067\u3001\u3053\u306eGridDB\u306e\u30b3\u30f3\u30c6\u30ca\u30bf\u30a4\u30d7\u3092TIME_SERIES<\/code>\u30b3\u30f3\u30c6\u30ca\u3068\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30c7\u30fc\u30bf\u3092\u633f\u5165\u3059\u308b<\/h2>\n
\u3053\u3053\u307e\u3067\u3067\u74b0\u5883\u8a2d\u5b9a\u304c\u5b8c\u4e86\u3057\u3001\u30b3\u30f3\u30c6\u30ca\u3092\u4f5c\u6210\u3067\u304d\u307e\u3057\u305f\u3002\u6b21\u306b\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u306e\u5206\u6790\u306b\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u30ab\u30e9\u30e0\u3092\u633f\u5165\u3057\u307e\u3059\u3002\u305d\u308c\u306b\u306f\u6700\u521d\u306b\u3001\u3053\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u542b\u3080CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002csv-parser\u306fCSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3078\u66f8\u304d\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3059\u3002\u3053\u306enpm\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\u3002<\/p>\n
\n
npm i -s csv-parser<\/code><\/pre>\n<\/div>\n
\u3067\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002\u4fdd\u5b58\u3057\u305fCSV\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u306b\u300cdata.csv\u300d \u3068\u3044\u3046\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4efb\u610f\u306e\u540d\u524d\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u306b\u306f\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u30b9\u30cb\u30da\u30c3\u30c8\u3092\u4f7f\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306faddRowsToDatabase<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3001\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\n
const csv = require('csv-parser');\nconst fs = require('fs');\n\nfs.createReadStream('data.csv')\n  .pipe(csv())\n  .on('data', (row) => {\n    addRowsToDatabase(row.date, row.meantempm, row.meandewptm, row.meanpressurerm, row.maxhumidity);\n  })\n  .on('end', () => {\n    console.log('CSV file successfully processed');\n  });<\/code><\/pre>\n<\/div>\n
\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001fs\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u3063\u3066ReadStream\u3092\u4f5c\u6210\u3057\u3001CSV\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u9001\u308a\u8fbc\u307f\u307e\u3059\u3002\u3053\u306eCSV\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u306e\u65b0\u305f\u306a\u884c\u3092\u51e6\u7406\u3059\u308b\u305f\u3073\u306bdata\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002end\u30a4\u30d9\u30f3\u30c8\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u306e\u884c\u306e\u51e6\u7406\u304c\u3059\u3079\u3066\u5b8c\u4e86\u3059\u308b\u3068\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n
date<\/code>\u3001meantempm<\/code>\u3001meandewptm<\/code>\u3001meanpressurem<\/code>\u3001maxhumidity<\/code>\u306e\u307f\u3092\u6307\u5b9a\u3057\u305f\u306e\u306f\u3001\u3053\u306e\u7279\u5b9a\u306e\u30ab\u30e9\u30e0\u306e\u30c7\u30fc\u30bf\u306e\u307f\u3092\u5206\u6790\u3059\u308b\u304b\u3089\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u30ab\u30e9\u30e0\u3059\u3079\u3066\u3092\u683c\u7d0d\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u9078\u629e\u3057\u305f\u884c\u306f\u3001\u6b21\u306e\u3088\u3046\u306bgriddb.Container.put<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066GridDB\u306b\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002addRowsToDatabase<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3057\u305f\u306e\u304c\u3001\u3053\u3061\u3089\u3067\u3059\u3002<\/p>\n
\n
addRowsToDatabase(date, meantempm, meandewptm, meanpressurerm, maxhumidity){\n    var col2;\n    Var newDate = convertDateToTimeStamp(date)\n    store.putContainer(conInfo, false)\n       .then(col => {\n           col2 = col;\n           col.createIndex(\"count\", griddb.GS_INDEX_FLAG_DEFAULT);\n           return col;\n        })\n       .then(col => {\n           col.setAutoCommit(false);\n           col.put([newDate, meantempm, meandewptm, meanpressurerm, maxhumidity]);\n           return col;\n       })\n}<\/code><\/pre>\n<\/div>\n
\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3092\u3059\u3079\u3066\u53d6\u5f97\u3057\u307e\u3057\u305f\u3002\u95a2\u6570\u5185\u306bputContainer<\/code>\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u3001\u3053\u308c\u306fGridDB\u306b\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306b\u4f7f\u3044\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u304c2\u3064\u3042\u308a\u307e\u3059\u3002\u6700\u521d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u30b3\u30f3\u30c6\u30ca\u60c5\u5831(conInfo<\/code>) \u3092\u3068\u308a\u307e\u3059\u3002<\/p>\n
\u30b3\u30fc\u30c9\u3092\u898b\u3066\u306e\u3068\u304a\u308a\u3001\u5225\u306econvertDateToTimeStamp<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u65e5\u4ed8\u3092 \u300c\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u300d \u306b\u5909\u63db\u3057\u3066\u3044\u307e\u3059\u3002putContainer<\/code>\u306f\u3001JavaScript\u306ePromise\u3092\u4f7f\u3063\u3066\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u3001\u30ab\u30e9\u30e0\u3068\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n
\u30c7\u30fc\u30bf\u3092\u5206\u6790\u3059\u308b<\/h2>\n
\u524d\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u3001\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u7167\u4f1a\u3057\u3066\u30c7\u30fc\u30bf\u3092\u5206\u6790\u3059\u308b\u6e96\u5099\u304c\u6574\u3044\u307e\u3057\u305f\u3002<\/p>\n
\u6b21\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u7167\u4f1a\u3059\u308b\u305f\u3081\u306e\u30af\u30a8\u30ea\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5f62\u6210\u3057\u307e\u3059\u3002GridDB\u3067\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u3068\u30c7\u30fc\u30bf\u64cd\u4f5c\u306b\u4f7f\u3046\u554f\u5408\u305b\u8a00\u8a9e\u306f\u3001TQL\u3067\u3059\u3002\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001\u30c7\u30fc\u30bf\u3092\u30d5\u30a7\u30c3\u30c1\u3057\u3066\u5225\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u4fdd\u5b58\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30c6\u30ca\u306b\u95a2\u9023\u30c7\u30fc\u30bf\u304c\u683c\u7d0d\u3055\u308c\u308b\u3068\u30c7\u30fc\u30bf\u3092\u7167\u4f1a\u3067\u304d\u307e\u3059\u3002node.js\u30af\u30e9\u30a4\u30a2\u30f3\u30c8API\u3092\u4f7f\u3063\u3066\u5b9f\u884c\u3059\u308b\u306b\u306f\u3001Container\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089query<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n
\n
var col2;\nvar newDate = convertDateToTimeStamp(date)\nstore.putContainer(conInfo, false)\n     .then(col => {\n         col2 = col;\n         col.createIndex(\"count\", griddb.GS_INDEX_FLAG_DEFAULT);\n         return col;\n     })\n     .then(col => {\n         col.setAutoCommit(false);\n         col.put([newDate, meantempm, meandewptm, meanpressurerm, maxhumidity]);\n         return col;\n     })\n     .then(col => {\n         col.commit();\n         return col;\n     })\n     .then(col => {\n         query = col.query(\"select *\");\n         return query.fetch();\n     })\n     .then(rs => {\n         while (rs.hasNext()) { \n             console.log(rs.next());\n         }\n         col2.commit();\n     })\n     .catch(err => {\n         console.log(err.what());\n         for (var i = 0; i < err.getErrorStackSize(); i++) {\n             console.log(\"[\", i, \"]\");\n             console.log(err.getErrorCode(i));\n             console.log(err.getMessage(i));\n         }\n     });<\/code><\/pre>\n<\/div>\n
\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u5909\u66f4\u3092\u30b3\u30df\u30c3\u30c8\u3057\u3001select *<\/code>\u3068\u3044\u3046\u30b7\u30f3\u30d7\u30eb\u306a\u30af\u30a8\u30ea\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4e0a\u3067\u30c6\u30b9\u30c8\u3057\u307e\u3057\u305f\u3002\u6761\u4ef6\u3092\u4e00\u5207\u9069\u7528\u305b\u305a\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5024\u3092\u3059\u3079\u3066\u9078\u629e\u3057\u3066\u3044\u307e\u3059\u3002\u30b3\u30fc\u30c9\u306e\u6700\u5f8c\u306e\u90e8\u5206\u306f\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u691c\u51fa\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n
\u3067\u306f\u3044\u304f\u3064\u304b\u306e\u30af\u30a8\u30ea\u3092\u4f7f\u3063\u3066\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u5206\u6790\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
\n
var timeseries;\nstore.getContainer(\"Weather\")\n     .then(ts => {\n         timeseries = ts;\n         query = ts.query(\"select * from Weather where meantemp > 34\");\n         return query.fetch();\n     })\n     .then(rowset => {\n         var row;\n         while (rowset.hasNext()) {\n             row = rowset.next();\n             var timestamp = Date.parse(row[0]);\n\n             aggCommand = \"select AVG(maxhumidity) from Weather where timestamp > 05012019 00:00:00\", 10)\";\n\n             aggQuery = timeseries.query(aggCommand);\n\n             aggQuery.fetch()\n                 .then(aggRs => {\n                     while (aggRs.hasNext()) {\n                         aggResult = aggRs.next();\n                         console.log(\"[Timestamp = \" + timestamp + \"] Average voltage = \"+ aggResult.get(griddb.GS_TYPE_DOUBLE));\n                    }\n                 });\n        }\n    })<\/code><\/pre>\n<\/div>\n
\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u307e\u305a\u300cWeather\u300d\u3068\u3044\u3046\u30b3\u30f3\u30c6\u30ca\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u6700\u521d\u306e\u90e8\u5206\u3067 select * from Weather where `meantemp` > 34<\/code> \u3068\u3044\u3046\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u307e\u3057\u305f\u3002Weather\u30b3\u30f3\u30c6\u30ca\u3067\u3001\u5e73\u5747\u6c17\u6e29\u304c34\u5ea6\u3092\u8d85\u3048\u308b\u884c\u3092\u3059\u3079\u3066\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
\u30b3\u30fc\u30c9\u306e2\u756a\u76ee\u306e\u90e8\u5206\u3067\u6b21\u306e\u96c6\u8a08\u30af\u30a8\u30ea<\/a>\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
\n
select AVG(maxhumidity) from Weather where timestamp > 05012019 00:00:00<\/code><\/pre>\n<\/div>\n
\u3053\u308c\u3067\u3001\u6307\u5b9a\u3057\u305f\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3088\u308a\u5f8c\u306etimestamp<\/code>\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3092\u30af\u30a8\u30ea\u3067\u53d6\u5f97\u3057\u3001\u305d\u308c\u3089\u306e\u5e73\u5747\u6700\u5927\u6e7f\u5ea6\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u30af\u30a8\u30ea\u3092\u751f\u6210\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001select MAX(meanpressurem) from Weather where maxhumidity > 27<\/code> \u306f\u3001\u6700\u5927\u6e7f\u5ea6\u304c27\uff05\u3092\u8d85\u3048\u305f\u6642\u306e\u5e73\u5747\u6c17\u5727\u306e\u6700\u5927\u5024\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u3044\u3044\u3067\u3059\u306d\u3002\u4eca\u56de\u306f\u4ee5\u4e0a\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30a4\u30f3\u30c9\u306e\u30b8\u30e3\u30a4\u30d7\u30fc\u30eb\u5e02\u3067\u8a18\u9332\u3055\u308c\u305f\u5929\u6c17\u4e88\u5831\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u5206\u6790\u3059\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u64cd\u4f5c\u3059\u308b\u306e\u306b\u3001GridDB\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u3088\u3046\u306b\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u5206\u6790\u3059\u308b\u306e\u306b\u3001\u8907\u6570\u306e\u7570\u306a\u308b\u30e1\u30bd\u30c3\u30c9\u3068\u30af\u30a8\u30ea\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u6271\u3063\u305f\u8003\u3048\u65b9\u306f\u3001\u95a2\u9023\u3059\u308b\u30b7\u30ca\u30ea\u30aa\u306a\u3089\u3069\u3093\u306a\u5834\u5408\u3067\u3082\u4f7f\u3048\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001GridDB\u3068Node.js\u3092\u4f7f\u3063\u3066\u5929\u6c17\u4e88\u5831\u306e\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u5206\u6790\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f \u300c\u30b8\u30e3\u30a4\u30d7\u30fc\u30eb\u5e02\u306e\u5929\u6c17\u4e88\u5831\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u300d \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc […]<\/p>\n","protected":false},"author":41,"featured_media":49176,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1005],"tags":[],"class_list":["post-50717","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1005"],"acf":[],"yoast_head":"\nGridDB\u3068Node.js\u3067\u30b8\u30e3\u30a4\u30d7\u30fc\u30eb\u306e\u5929\u6c17\u4e88\u5831\u30c7\u30fc\u30bf\u3092\u5206\u6790\u3059\u308b | GridDB: Open Source Time Series Database for IoT<\/title>\n<meta name=\"description\" content=\"\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001GridDB\u3068Node.js\u3092\u4f7f\u3063\u3066\u5929\u6c17\u4e88\u5831\u306e\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u5206\u6790\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\" 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