ピボットエンジン:パフォーマンス (Vue)

PivotEngineは非常に大きなデータセットを要約することができます。データがクライアント側から連結されている場合、要約データは非常に高速に生成できます。要約データは非同期に生成され、ユーザーとの対話を改善します。

以下のサンプルは、さまざまなサイズのデータセット(最大100万個)を読み込むのにかかる時間を示すことによってパフォーマンスを示しています。

何百万ものレコードを含む大量のデータセットを扱う場合は、SSASキューブやComponentOne Data Servicesなどのサーバー側OLAPプロバイダーの使用を検討する必要があります。PivotEngineはどちらにも接続できます。

このサンプルはVueを使用しています。

<template> <div class="container-fluid"> <div id="buttons" v-on:click="onButtonClick"> <button id="10k" class="btn btn-primary"> 1万個の項目 </button> <button id="100k" class="btn btn-primary" :disabled="enable100K"> 10万個の項目 </button> <button id="500k" class="btn btn-primary" :disabled="enable500K"> 50万個の項目 </button> </div> <p id="result" v-html="result"></p> <div class="output"> <wj-pivot-grid id="pivotGrid" :items-source="ng" /> </div> </div> </template> <script setup> import "@mescius/wijmo.touch"; import * as wjcCore from "@mescius/wijmo"; import * as wjcOlap from "@mescius/wijmo.olap"; import { addData } from "./data"; import { ref, onMounted } from "vue"; const ds10 = ref(addData([], 10e3)); const ds100 = ref(null); const ds500 = ref(null); const ds1M = ref(null); const start = ref(0); const enable100K = ref(true); const enable500K = ref(true); const result = ref(""); const ng = new wjcOlap.PivotEngine({ autoGenerateFields: false, fields: [ { binding: 'date', header: '四半期', format: '\"Q\"q yyyy' }, { binding: 'date', header: '月', format: 'MMMM' }, { binding: 'agent', header: 'エージェント' }, { binding: 'region', header: '地域' }, { binding: 'platform', header: 'プラットフォーム' }, { binding: 'product', header: '商品' }, { binding: 'sales', header: '売上', format: 'c2' }, { binding: 'downloads', header: 'ダウンロード数', format: 'n0' }, { binding: 'revenue', header: '収益', format: 'c2' }, ], itemsSource: addData([], 10e3), showRowTotals: 'Subtotals', rowFields: ['四半期', '地域'], columnFields: ['プラットフォーム', '商品'], valueFields: ['売上', 'ダウンロード数'], updatingView: () => { if (start.value == 0) { start.value = Date.now(); } }, updatedView: (s) => { let fmt = '<b>{cnt:n0}</b>個の項目を<b>{tm:n0}</b>msで処理しました。'; result.value = wjcCore.format(fmt, { cnt: s.itemsSource.length, tm: Date.now() - start.value }); start.value = 0; } }); onMounted(function () { _createDataAsync(100e3, (data) => { ds100.value = data; enable100K.value = false; }); _createDataAsync(500e3, (data) => { ds500.value = data; enable500K.value = false; }); }); function onButtonClick(e) { switch (e.target.id) { case "10k": ng.itemsSource = ds10.value; break; case "100k": ng.itemsSource = ds100.value; break; case "500k": ng.itemsSource = ds500.value; break; } } function _createDataAsync(cnt, callback) { let data = []; _addDataAsync(data, cnt, () => { callback(data); }); } function _addDataAsync(data, cnt, callback) { setTimeout(() => { addData(data, Math.min(cnt - data.length, 1000)); if (data.length == cnt) { callback(data); } else { _addDataAsync(data, cnt, callback); } }); } </script> <style> #buttons { display: flex; margin-bottom: 6px; } #buttons .btn { margin: 6px; white-space: normal; } .output { display: flex; justify-content: center; margin: 6px; } #pivotGrid { width: auto; max-height: 300px; } body { margin-bottom: 36pt; } </style>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo OLAP Pivot Engine Performance</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="compiler.js" type="module"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app.js'); </script> </head> <body> <div id="app"> </div> </body> </html>
import { DateTime } from '@mescius/wijmo'; var products = [ { product: 'Wijmo', platform: 'Web' }, { product: 'ActiveReports', platform: 'Desktop' }, { product: 'ActiveReportsJS', platform: 'Web' }, { product: 'ComponentOne', platform: 'Desktop' }, { product: 'Spread', platform: 'Desktop' }, { product: 'SpreadJS', platform: 'Web' }, { product: 'DSDocs', platform: 'Desktop' } ]; var agents = [ { agent: 'Ashlyn Dunlop', region: 'East' }, { agent: 'Keith Vang', region: 'East' }, { agent: 'Bobbi Rodrigues', region: 'West' }, { agent: 'Charli Medina', region: 'West' }, { agent: 'Kaitlin Salt', region: 'West' }, ]; function randomInt(min, max) { return Math.floor(Math.random() * (max - min + 1) + min); } export function addData(data, cnt) { var year = new Date().getFullYear(); for(var i = 0; i < cnt; i++) { let productIndex = randomInt(0, 6); let agentIndex = randomInt(0, 4); data.push({ orderId: randomInt(1, 10000), platform: products[productIndex].platform, product: products[productIndex].product, agent: agents[agentIndex].agent, region: agents[agentIndex].region, date: new Date(year - randomInt(0, 2), randomInt(0, 11), randomInt(0, 27)), sales: randomInt(1500, 3500), downloads: randomInt(10, 200), revenue: randomInt(500, 1000) }); } return data; }
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