echarts to display the datafusion SQL
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Priec
167
graphs/static/index.html
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167
graphs/static/index.html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Analytics graphs</title>
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<script src="https://cdn.jsdelivr.net/npm/echarts@6/dist/echarts.min.js"></script>
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<style>
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* { box-sizing: border-box; }
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body { margin: 0; font: 14px system-ui, sans-serif; color: #17202a; background: #f4f6f8; }
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main { width: min(1200px, calc(100% - 32px)); margin: 24px auto; }
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h1 { margin: 0 0 18px; font-size: 24px; }
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.panel { padding: 18px; border: 1px solid #dfe4ea; border-radius: 10px; background: white; }
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.row { display: grid; grid-template-columns: 1fr 1fr 180px 120px; gap: 12px; margin-bottom: 12px; }
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label { display: grid; gap: 5px; color: #4b5563; font-size: 12px; }
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input, select, textarea, button { font: inherit; }
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input, select, textarea { width: 100%; border: 1px solid #cfd6dd; border-radius: 6px; padding: 9px; background: white; }
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textarea { min-height: 130px; resize: vertical; font-family: ui-monospace, monospace; line-height: 1.45; }
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.actions { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
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button { border: 0; border-radius: 6px; padding: 10px 18px; color: white; background: #2563eb; cursor: pointer; }
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button:disabled { opacity: .55; cursor: wait; }
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#status { color: #667085; }
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#status.error { color: #b42318; }
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#chart { height: 560px; margin-top: 18px; }
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.table-wrap { display: none; max-height: 560px; overflow: auto; margin-top: 18px; }
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table { width: 100%; border-collapse: collapse; background: white; }
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th, td { padding: 9px 11px; border: 1px solid #e4e7ec; text-align: left; white-space: nowrap; }
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th { position: sticky; top: 0; background: #f9fafb; }
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@media (max-width: 760px) { .row { grid-template-columns: 1fr; } main { width: calc(100% - 20px); } }
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</style>
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</head>
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<body>
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<main>
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<h1>Analytics graphs</h1>
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<form id="query-form" class="panel">
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<div class="row">
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<label>Profile<input id="profile" required autocomplete="off"></label>
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<label>Bearer token<input id="token" type="password" autocomplete="off"></label>
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<label>Chart
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<select id="chart-type">
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<option value="bar">Bar</option>
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<option value="line">Line</option>
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<option value="pie">Pie</option>
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<option value="scatter">Scatter</option>
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<option value="table">Table</option>
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</select>
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</label>
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<label>Max rows<input id="max-rows" type="number" min="1" value="1000"></label>
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</div>
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<label>SQL<textarea id="sql" required spellcheck="false" placeholder="SELECT category, SUM(amount) AS total FROM sales GROUP BY category"></textarea></label>
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<div class="actions">
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<button id="run" type="submit">Run query</button>
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<span id="status"></span>
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</div>
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</form>
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<div id="chart"></div>
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<div id="table-wrap" class="table-wrap"><table id="table"></table></div>
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</main>
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<script>
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const form = document.querySelector('#query-form');
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const status = document.querySelector('#status');
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const runButton = document.querySelector('#run');
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const chartElement = document.querySelector('#chart');
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const tableWrap = document.querySelector('#table-wrap');
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const table = document.querySelector('#table');
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const chart = echarts.init(chartElement);
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let lastResult = null;
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form.addEventListener('submit', async (event) => {
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event.preventDefault();
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runButton.disabled = true;
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setStatus('Running…');
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try {
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const response = await fetch('/api/query', {
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method: 'POST',
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headers: { 'content-type': 'application/json' },
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body: JSON.stringify({
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profile_name: document.querySelector('#profile').value,
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token: document.querySelector('#token').value,
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sql: document.querySelector('#sql').value,
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max_rows: Number(document.querySelector('#max-rows').value)
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})
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});
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const result = await response.json();
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if (!response.ok) throw new Error(result.error || `Request failed (${response.status})`);
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lastResult = result;
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render(result);
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setStatus(`${result.row_count} rows in ${result.elapsed_ms} ms${result.truncated ? ' (truncated)' : ''}`);
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} catch (error) {
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setStatus(error.message, true);
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} finally {
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runButton.disabled = false;
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}
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});
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document.querySelector('#chart-type').addEventListener('change', () => {
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if (lastResult) render(lastResult);
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});
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window.addEventListener('resize', () => chart.resize());
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function render(result) {
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const type = document.querySelector('#chart-type').value;
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if (type === 'table') return renderTable(result);
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tableWrap.style.display = 'none';
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chartElement.style.display = 'block';
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if (!result.columns.length) {
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chart.clear();
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return;
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}
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const names = result.columns.map(column => column.name);
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const rows = result.rows;
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let option;
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if (type === 'pie') {
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option = {
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tooltip: { trigger: 'item' },
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legend: { type: 'scroll', bottom: 0 },
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series: [{ type: 'pie', radius: ['25%', '68%'], data: rows.map(row => ({ name: String(row[0] ?? ''), value: numeric(row[1]) })) }]
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};
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} else if (type === 'scatter') {
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option = {
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tooltip: { trigger: 'item' },
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xAxis: { name: names[0], type: 'value' },
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yAxis: { name: names[1], type: 'value' },
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series: [{ name: names[1], type: 'scatter', data: rows.map(row => [numeric(row[0]), numeric(row[1])]) }]
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};
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} else {
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option = {
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tooltip: { trigger: 'axis' },
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legend: { type: 'scroll', bottom: 0 },
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grid: { left: 55, right: 25, top: 35, bottom: 70, containLabel: true },
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xAxis: { type: 'category', data: rows.map(row => String(row[0] ?? '')) },
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yAxis: { type: 'value' },
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series: names.slice(1).map((name, index) => ({ name, type, data: rows.map(row => numeric(row[index + 1])), smooth: type === 'line' }))
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};
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}
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chart.setOption(option, true);
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chart.resize();
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}
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function renderTable(result) {
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chartElement.style.display = 'none';
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tableWrap.style.display = 'block';
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const header = `<thead><tr>${result.columns.map(column => `<th>${escapeHtml(column.name)}</th>`).join('')}</tr></thead>`;
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const body = `<tbody>${result.rows.map(row => `<tr>${row.map(value => `<td>${escapeHtml(value ?? '')}</td>`).join('')}</tr>`).join('')}</tbody>`;
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table.innerHTML = header + body;
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}
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function numeric(value) {
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const number = Number(value);
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return Number.isFinite(number) ? number : null;
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}
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function escapeHtml(value) {
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const element = document.createElement('div');
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element.textContent = String(value);
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return element.innerHTML;
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}
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function setStatus(message, error = false) {
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status.textContent = message;
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status.classList.toggle('error', error);
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}
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</script>
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</body>
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</html>
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