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<!DOCTYPE html>
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<title>Go Systems | Will Bracken</title>
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</head>
<body>
<div id="scroll-progress" aria-hidden="true"></div>
<button id="back-to-top" aria-label="Back to top" title="Back to top"><i class="fas fa-chevron-up"></i></button>
<a href="#main-content" class="skip-link">Skip to content</a>
<nav class="site-nav" id="siteNav">
<div class="nav-inner">
<a class="nav-brand" href="index.html"><span class="brand-bracket">[</span>wb<span class="brand-bracket">]</span></a>
<button class="nav-toggle" type="button" data-bs-toggle="collapse" data-bs-target="#navLinks" aria-label="Toggle navigation"><i class="fas fa-bars"></i></button>
<div class="collapse nav-links" id="navLinks">
<a class="nav-link-item" href="index.html">Dashboard</a>
<a class="nav-link-item" href="projects.html">Projects</a>
<a class="nav-link-item" href="data-science.html">Data Science</a>
<a class="nav-link-item" href="ai-lab.html">AI Lab</a>
<a class="nav-link-item active" href="go-systems.html">Go Systems</a>
<a class="nav-link-item" href="code-galaxy.html">Code Galaxy</a>
<a class="nav-link-item" href="analytics.html">Analytics</a>
<a class="nav-link-item" href="https://github.com/brackenw3" target="_blank" rel="noopener noreferrer"><i class="fab fa-github"></i> GitHub</a>
</div>
</div>
</nav>
<header class="page-hero">
<div class="hero-bg-grid" aria-hidden="true"></div>
<div style="position:relative;z-index:1">
<div class="hero-tag" style="color:#00add8;border-color:rgba(0,173,216,.35);background:rgba(0,173,216,.07)">Systems · CLI · WASM · Concurrent</div>
<h1 class="page-title">Go Systems</h1>
<p class="page-sub">High-performance tooling built in Go — compiling to native binaries, WebAssembly, and HTTP servers from a single codebase.</p>
</div>
</header>
<section class="stats-bar" aria-label="Go stats">
<div class="stats-inner">
<div class="stat-item"><span class="stat-num" style="color:#00add8">Go</span><span class="stat-label">Primary Language</span></div>
<div class="stat-divider"></div>
<div class="stat-item"><span class="stat-num">1.23</span><span class="stat-label">Go Version</span></div>
<div class="stat-divider"></div>
<div class="stat-item"><span class="stat-num">3</span><span class="stat-label">Output Targets</span></div>
<div class="stat-divider"></div>
<div class="stat-item"><span class="stat-num">100+</span><span class="stat-label">Lua Functions</span></div>
</div>
</section>
<main id="main-content">
<!-- Quick stats strip -->
<div style="background:rgba(0,173,216,.06);border-bottom:1px solid rgba(0,173,216,.12);padding:.6rem 1.5rem">
<div style="max-width:1440px;margin:0 auto;display:flex;align-items:center;gap:2rem;flex-wrap:wrap;font-family:'JetBrains Mono',monospace;font-size:.75rem">
<span style="color:#00ADD8"><i class="fas fa-cube" style="margin-right:.35rem"></i>3 deployment targets</span>
<span style="color:#00e5a0"><i class="fas fa-bolt" style="margin-right:.35rem"></i>4ms binary build</span>
<span style="color:#7a8ba0"><i class="fas fa-weight-hanging" style="margin-right:.35rem"></i>4.2MB final binary</span>
<span style="color:#7a8ba0"><i class="fas fa-circle-nodes" style="margin-right:.35rem"></i>892KB WASM output</span>
<span style="color:#7a8ba0"><i class="fas fa-code-branch" style="margin-right:.35rem"></i>Go 1.23</span>
</div>
</div>
<!-- Project Cards -->
<section class="section-block">
<div class="section-container">
<div class="section-header">
<h2 class="section-title">Go Projects</h2>
<p class="section-sub">Production tools spanning format conversion, database bridging, and systems automation.</p>
</div>
<div class="go-grid">
<div class="go-card" style="animation-delay:.05s">
<div class="go-card-top">
<a class="go-card-name" href="https://github.com/brackenw3/Go-Scripts" target="_blank" rel="noopener noreferrer">go-convert</a>
<span class="go-badge">Featured</span>
</div>
<p class="go-desc">Universal data format converter — CLI binary, WebAssembly module, and HTTP REST server from one Go codebase. Converts JSON↔YAML↔CSV↔XML↔BSON↔MT940 via Lua template engine.</p>
<div class="go-tags">
<span class="go-tag">WASM</span><span class="go-tag">CLI</span><span class="go-tag">HTTP</span>
<span class="go-tag">Lua</span><span class="go-tag">MT940</span><span class="go-tag">BSON</span>
</div>
<div class="go-actions">
<a class="go-btn" href="https://github.com/brackenw3/Go-Scripts" target="_blank" rel="noopener noreferrer"><i class="fab fa-github"></i> Source</a>
</div>
</div>
<div class="go-card" style="animation-delay:.1s">
<div class="go-card-top">
<a class="go-card-name" href="https://github.com/brackenw3/Go-Scripts" target="_blank" rel="noopener noreferrer">go-mongo-odbc</a>
<span class="go-badge">Systems</span>
</div>
<p class="go-desc">ODBC bridge that exposes MongoDB collections as SQL-queryable tables for BI tools. Enables Tableau, Power BI, and Excel to connect to MongoDB via standard ODBC drivers.</p>
<div class="go-tags">
<span class="go-tag">MongoDB</span><span class="go-tag">ODBC</span><span class="go-tag">SQL Bridge</span>
<span class="go-tag">Tableau</span><span class="go-tag">Power BI</span>
</div>
<div class="go-actions">
<a class="go-btn" href="https://github.com/brackenw3/Go-Scripts" target="_blank" rel="noopener noreferrer"><i class="fab fa-github"></i> Source</a>
</div>
</div>
<div class="go-card" style="animation-delay:.15s">
<div class="go-card-top">
<a class="go-card-name" href="https://github.com/brackenw3/Go-Scripts" target="_blank" rel="noopener noreferrer">go-scripts</a>
<span class="go-badge">Tools</span>
</div>
<p class="go-desc">Collection of Go utilities for systems automation — file processing, API clients, concurrent workers, and cross-platform CLI tooling. Built for production environments.</p>
<div class="go-tags">
<span class="go-tag">CLI</span><span class="go-tag">Automation</span><span class="go-tag">Concurrency</span>
<span class="go-tag">Cross-platform</span>
</div>
<div class="go-actions">
<a class="go-btn" href="https://github.com/brackenw3/Go-Scripts" target="_blank" rel="noopener noreferrer"><i class="fab fa-github"></i> Source</a>
</div>
</div>
</div>
<!-- go-mongo-odbc Interactive Mockup -->
<div class="odbc-mockup" id="odbcMockup">
<div class="odbc-header">
<div class="odbc-title"><i class="fas fa-plug"></i> go-mongo-odbc — Interactive Connection Builder</div>
<div class="odbc-subtitle">Configure a MongoDB ODBC connection string for Tableau, Power BI, or Excel</div>
</div>
<div class="odbc-body">
<div class="odbc-col">
<div class="odbc-section-label">Connection Settings</div>
<div class="odbc-field">
<label class="odbc-label" for="odbcHost">Host</label>
<input class="odbc-input" id="odbcHost" value="localhost" type="text" spellcheck="false">
</div>
<div class="odbc-field">
<label class="odbc-label" for="odbcPort">Port</label>
<input class="odbc-input" id="odbcPort" value="27017" type="text">
</div>
<div class="odbc-field">
<label class="odbc-label" for="odbcDb">Database</label>
<input class="odbc-input" id="odbcDb" value="analytics" type="text">
</div>
<div class="odbc-field">
<label class="odbc-label" for="odbcColl">Collection</label>
<input class="odbc-input" id="odbcColl" value="events" type="text">
</div>
<div class="odbc-field">
<label class="odbc-label" for="odbcAuth">Auth Source</label>
<input class="odbc-input" id="odbcAuth" value="admin" type="text">
</div>
</div>
<div class="odbc-col">
<div class="odbc-section-label">Generated Connection String</div>
<div class="odbc-conn-str" id="odbcOutput">DRIVER={MongoDB ODBC Driver};<br>SERVER=localhost;PORT=27017;<br>DATABASE=analytics;COLLECTION=events;<br>AUTHSOURCE=admin;</div>
<div id="connStatus" style="display:none;margin-top:.75rem;padding:.5rem .85rem;border-radius:8px;background:rgba(0,229,160,.08);border:1px solid rgba(0,229,160,.2);font-family:'JetBrains Mono',monospace;font-size:.75rem;color:#00e5a0;align-items:center;gap:.5rem">
<span style="width:7px;height:7px;background:#00e5a0;border-radius:50%;animation:_aiPulse 2s infinite"></span>
Connection string validated — ready to test
</div>
<div class="odbc-section-label" style="margin-top:1rem">SQL Query Preview</div>
<div class="odbc-code-block" id="odbcQueryPreview">SELECT _id, user_id, event_type, ts<br>FROM events<br>WHERE ts >= '2025-01-01'<br>ORDER BY ts DESC<br>LIMIT 1000;</div>
<div class="odbc-section-label" style="margin-top:1rem">BI Tool Compatibility</div>
<div class="odbc-compat-grid">
<div class="odbc-compat-item ok"><i class="fas fa-check-circle"></i> Tableau Desktop</div>
<div class="odbc-compat-item ok"><i class="fas fa-check-circle"></i> Power BI Desktop</div>
<div class="odbc-compat-item ok"><i class="fas fa-check-circle"></i> Microsoft Excel</div>
<div class="odbc-compat-item ok"><i class="fas fa-check-circle"></i> DBeaver</div>
<div class="odbc-compat-item warn"><i class="fas fa-exclamation-circle"></i> Looker (beta)</div>
<div class="odbc-compat-item ok"><i class="fas fa-check-circle"></i> JetBrains DataGrip</div>
</div>
</div>
</div>
<!-- Query Execution Panel -->
<div style="border-top:1px solid var(--border);padding:1rem 1.5rem;background:var(--bg-surface);display:flex;align-items:center;gap:1rem;flex-wrap:wrap">
<button id="odbcRunBtn" onclick="runOdbcQuery()" style="display:inline-flex;align-items:center;gap:.5rem;padding:.45rem 1.1rem;border-radius:6px;background:rgba(0,173,216,.15);border:1px solid rgba(0,173,216,.45);color:#00add8;font-family:var(--font-mono);font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s">
<i class="fas fa-play-circle"></i> Run Query
</button>
<span id="odbcStatus" style="font-family:var(--font-mono);font-size:.75rem;color:var(--text-muted)">Ready — click Run Query to simulate execution</span>
</div>
<div id="odbcResults" style="display:none;padding:0 1.5rem 1.25rem">
<div style="font-size:.72rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.07em;margin-bottom:.6rem;padding-top:1rem">Query Results <span id="odbcRowCount" style="color:#00e5a0;font-family:var(--font-mono)"></span></div>
<div style="overflow-x:auto;border-radius:8px;border:1px solid var(--border)">
<table id="odbcTable" style="width:100%;border-collapse:collapse;font-family:var(--font-mono);font-size:.75rem">
<thead style="background:var(--bg-surface)">
<tr id="odbcTableHead"></tr>
</thead>
<tbody id="odbcTableBody"></tbody>
</table>
</div>
<div style="margin-top:.6rem;font-size:.72rem;color:var(--text-muted);font-family:var(--font-mono)">
⚡ Execution time: <span id="odbcExecTime" style="color:#00e5a0">—</span> | Rows returned: <span id="odbcRowsReturned" style="color:#00d4ff">—</span>
</div>
</div>
</div>
</div>
</section>
<!-- Benchmarks + Code -->
<section class="section-block">
<div class="section-container">
<div class="two-col">
<div class="panel">
<div class="panel-title"><i class="fas fa-gauge-high"></i> Performance Benchmarks</div>
<div class="bench-list" id="benchList">
<div class="bench-row" data-pct="96">
<div class="bench-header"><span class="bench-name">JSON → YAML conversion</span><span class="bench-val">~0.4ms / op</span></div>
<div class="bench-track"><div class="bench-fill" style="background:#00add8"></div></div>
<div class="bench-note">1000-field document, single goroutine</div>
</div>
<div class="bench-row" data-pct="88">
<div class="bench-header"><span class="bench-name">CSV → JSON (100K rows)</span><span class="bench-val">~210ms</span></div>
<div class="bench-track"><div class="bench-fill" style="background:#00add8"></div></div>
<div class="bench-note">Streaming parser, minimal allocations</div>
</div>
<div class="bench-row" data-pct="91">
<div class="bench-header"><span class="bench-name">HTTP server throughput</span><span class="bench-val">~18K req/s</span></div>
<div class="bench-track"><div class="bench-fill" style="background:#00e5a0"></div></div>
<div class="bench-note">net/http, single core, no caching</div>
</div>
<div class="bench-row" data-pct="78">
<div class="bench-header"><span class="bench-name">WASM startup time</span><span class="bench-val">~12ms</span></div>
<div class="bench-track"><div class="bench-fill" style="background:#8b5cf6"></div></div>
<div class="bench-note">Browser instantiation, 1.2MB binary</div>
</div>
<div class="bench-row" data-pct="93">
<div class="bench-header"><span class="bench-name">Lua template execution</span><span class="bench-val">~0.8ms</span></div>
<div class="bench-track"><div class="bench-fill" style="background:#00add8"></div></div>
<div class="bench-note">50-function template, Gopher-Lua VM</div>
</div>
<div class="bench-row" data-pct="85">
<div class="bench-header"><span class="bench-name">BSON decode throughput</span><span class="bench-val">~95MB/s</span></div>
<div class="bench-track"><div class="bench-fill" style="background:#00add8"></div></div>
<div class="bench-note">MongoDB driver, zero-copy path</div>
</div>
</div>
</div>
<div>
<div class="code-block">
<div class="code-header">
<span class="code-lang">Go</span>
<span class="code-file">go-convert/main.go</span>
</div>
<div class="code-body"><pre><span class="kw">package</span> main
<span class="kw">import</span> (
<span class="st">"flag"</span>
<span class="st">"fmt"</span>
<span class="st">"os"</span>
<span class="st">"go-convert/convert"</span>
<span class="st">"go-convert/server"</span>
)
<span class="cm">// Single binary — detects mode from args</span>
<span class="kw">func</span> <span class="fn">main</span>() {
serve := flag.Bool(<span class="st">"serve"</span>, <span class="kw">false</span>, <span class="st">"start HTTP server"</span>)
port := flag.Int(<span class="st">"port"</span>, <span class="tp">8080</span>, <span class="st">"HTTP port"</span>)
from := flag.String(<span class="st">"from"</span>, <span class="st">"json"</span>, <span class="st">"input format"</span>)
to := flag.String(<span class="st">"to"</span>, <span class="st">"yaml"</span>, <span class="st">"output format"</span>)
tmpl := flag.String(<span class="st">"template"</span>, <span class="st">""</span>, <span class="st">"Lua template"</span>)
flag.Parse()
<span class="kw">if</span> *serve {
<span class="fn">fmt.Printf</span>(<span class="st">"listening :%d\n"</span>, *port)
server.<span class="fn">Run</span>(*port)
<span class="kw">return</span>
}
data, _ := io.<span class="fn">ReadAll</span>(os.Stdin)
out, err := convert.<span class="fn">Transform</span>(data, *from, *to, *tmpl)
<span class="kw">if</span> err != <span class="kw">nil</span> {
fmt.<span class="fn">Fprintln</span>(os.Stderr, err)
os.<span class="fn">Exit</span>(<span class="tp">1</span>)
}
fmt.<span class="fn">Print</span>(<span class="kw">string</span>(out))
}</pre></div>
</div>
</div>
</div>
</div>
</section>
<!-- Architecture Diagram -->
<section class="section-block">
<div class="section-container">
<div class="section-header">
<h2 class="section-title">go-convert Architecture</h2>
<p class="section-sub">One codebase, three compile targets — CLI binary, WASM module, and HTTP REST server.</p>
</div>
<div class="arch-wrap">
<svg class="arch-svg" viewBox="0 0 720 320" width="720" height="320" aria-label="go-convert architecture diagram">
<defs>
<marker id="arr" markerWidth="8" markerHeight="8" refX="6" refY="3" orient="auto">
<path d="M0,0 L0,6 L8,3 z" fill="rgba(0,173,216,.7)"/>
</marker>
</defs>
<!-- Input box -->
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<text x="85" y="152" text-anchor="middle" fill="#00add8" font-family="JetBrains Mono,monospace" font-size="12" font-weight="600">Input</text>
<text x="85" y="171" text-anchor="middle" fill="#7a8ba0" font-family="Inter,sans-serif" font-size="10">stdin / HTTP / WASM</text>
<text x="85" y="187" text-anchor="middle" fill="#7a8ba0" font-family="Inter,sans-serif" font-size="10">JSON · YAML · CSV…</text>
<!-- Arrow input → core -->
<line x1="150" y1="160" x2="195" y2="160" stroke="rgba(0,173,216,.6)" stroke-width="1.5" marker-end="url(#arr)"/>
<!-- Core engine -->
<rect x="200" y="95" width="150" height="130" rx="10" fill="#111827" stroke="rgba(0,173,216,.5)" stroke-width="2"/>
<text x="275" y="122" text-anchor="middle" fill="#e8edf5" font-family="Inter,sans-serif" font-size="12" font-weight="700">Core Engine</text>
<rect x="218" y="133" width="114" height="22" rx="5" fill="#0d1321"/>
<text x="275" y="148" text-anchor="middle" fill="#00e5a0" font-family="JetBrains Mono,monospace" font-size="10">convert.Transform()</text>
<rect x="218" y="163" width="114" height="22" rx="5" fill="#0d1321"/>
<text x="275" y="178" text-anchor="middle" fill="#8b5cf6" font-family="JetBrains Mono,monospace" font-size="10">Gopher-Lua VM</text>
<rect x="218" y="193" width="114" height="22" rx="5" fill="#0d1321"/>
<text x="275" y="208" text-anchor="middle" fill="#00add8" font-family="JetBrains Mono,monospace" font-size="10">100+ builtins</text>
<!-- Arrow core → outputs -->
<line x1="350" y1="160" x2="395" y2="100" stroke="rgba(0,173,216,.5)" stroke-width="1.5" marker-end="url(#arr)"/>
<line x1="350" y1="160" x2="395" y2="160" stroke="rgba(0,173,216,.5)" stroke-width="1.5" marker-end="url(#arr)"/>
<line x1="350" y1="160" x2="395" y2="220" stroke="rgba(0,173,216,.5)" stroke-width="1.5" marker-end="url(#arr)"/>
<!-- CLI -->
<rect x="400" y="70" width="130" height="55" rx="10" fill="#0d1321" stroke="rgba(0,229,160,.3)" stroke-width="1.5"/>
<text x="465" y="96" text-anchor="middle" fill="#00e5a0" font-family="JetBrains Mono,monospace" font-size="11" font-weight="600">go build</text>
<text x="465" y="113" text-anchor="middle" fill="#7a8ba0" font-family="Inter,sans-serif" font-size="10">Native CLI binary</text>
<!-- HTTP -->
<rect x="400" y="133" width="130" height="55" rx="10" fill="#0d1321" stroke="rgba(0,173,216,.3)" stroke-width="1.5"/>
<text x="465" y="159" text-anchor="middle" fill="#00add8" font-family="JetBrains Mono,monospace" font-size="11" font-weight="600">-serve :8080</text>
<text x="465" y="176" text-anchor="middle" fill="#7a8ba0" font-family="Inter,sans-serif" font-size="10">REST HTTP server</text>
<!-- WASM -->
<rect x="400" y="196" width="130" height="55" rx="10" fill="#0d1321" stroke="rgba(139,92,246,.35)" stroke-width="1.5"/>
<text x="465" y="222" text-anchor="middle" fill="#8b5cf6" font-family="JetBrains Mono,monospace" font-size="11" font-weight="600">GOOS=js GOARCH=wasm</text>
<text x="465" y="239" text-anchor="middle" fill="#7a8ba0" font-family="Inter,sans-serif" font-size="10">Browser WASM module</text>
<!-- Labels -->
<text x="85" y="225" text-anchor="middle" fill="#4a5568" font-family="Inter,sans-serif" font-size="10">Formats</text>
<text x="275" y="248" text-anchor="middle" fill="#4a5568" font-family="Inter,sans-serif" font-size="10">Single Go codebase</text>
<text x="465" y="272" text-anchor="middle" fill="#4a5568" font-family="Inter,sans-serif" font-size="10">Three compile targets</text>
<!-- Build tags hint -->
<rect x="560" y="90" width="145" height="140" rx="8" fill="rgba(13,19,33,.7)" stroke="rgba(255,255,255,.06)" stroke-width="1"/>
<text x="632" y="110" text-anchor="middle" fill="#4a5568" font-family="Inter,sans-serif" font-size="10" font-weight="600">Build targets</text>
<text x="575" y="132" fill="#00e5a0" font-family="JetBrains Mono,monospace" font-size="9">$ go build ./...</text>
<text x="575" y="152" fill="#00add8" font-family="JetBrains Mono,monospace" font-size="9">$ go run . -serve</text>
<text x="575" y="172" fill="#8b5cf6" font-family="JetBrains Mono,monospace" font-size="9">$ GOOS=js GOARCH=wasm</text>
<text x="575" y="188" fill="#8b5cf6" font-family="JetBrains Mono,monospace" font-size="9"> go build -o main.wasm</text>
<text x="575" y="210" fill="#7a8ba0" font-family="JetBrains Mono,monospace" font-size="9">$ echo '{}' | go-convert</text>
<text x="575" y="226" fill="#7a8ba0" font-family="JetBrains Mono,monospace" font-size="9"> -from json -to yaml</text>
</svg>
</div>
</div>
</section>
</main>
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</div>
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<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
<script>
// ODBC live connection string builder
function updateOdbc(){
const host=document.getElementById('odbcHost')?.value||'localhost';
const port=document.getElementById('odbcPort')?.value||'27017';
const db=document.getElementById('odbcDb')?.value||'mydb';
const coll=document.getElementById('odbcColl')?.value||'mycoll';
const auth=document.getElementById('odbcAuth')?.value||'admin';
const out=document.getElementById('odbcOutput');
if(out){
const lines = [
`DRIVER={MongoDB ODBC Driver};`,
`SERVER=${host};PORT=${port};`,
`DATABASE=${db};COLLECTION=${coll};`,
`AUTHSOURCE=${auth};`
];
out.textContent = '';
out.append(...lines.flatMap((line, i) => i < lines.length - 1 ? [line, document.createElement('br')] : [line]));
}
const cs=document.getElementById('connStatus');
if(cs){cs.style.display='flex';}
const qp=document.getElementById('odbcQueryPreview');
if(qp){
const lines = [
`SELECT _id, user_id, event_type, ts`,
`FROM ${coll}`,
`WHERE ts >= '2025-01-01'`,
`ORDER BY ts DESC`,
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];
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}
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const el=document.getElementById(id);
if(el)el.addEventListener('input',updateOdbc);
});
// Query execution simulation
const MOCK_ROWS=[
['6705ab3c1f2d','u_1042','page_view','2025-09-15 09:12:04'],
['6705ab3c2a8e','u_0887','button_click','2025-09-15 09:11:58'],
['6705ab3c1b7f','u_2341','session_start','2025-09-15 09:11:45'],
['6705ab3c0e4a','u_1042','form_submit','2025-09-15 09:11:32'],
['6705ab3c3d92','u_0019','page_view','2025-09-15 09:11:21'],
['6705ab3c5f61','u_1337','api_call','2025-09-15 09:11:09'],
['6705ab3c7c0b','u_0887','logout','2025-09-15 09:10:55'],
['6705ab3c8e3a','u_4412','session_start','2025-09-15 09:10:44'],
];
function runOdbcQuery(){
const btn=document.getElementById('odbcRunBtn');
const status=document.getElementById('odbcStatus');
const results=document.getElementById('odbcResults');
if(!btn||!status||!results)return;
btn.disabled=true;
btn.innerHTML='<i class="fas fa-spinner fa-spin"></i> Executing…';
status.textContent='Connecting to MongoDB via ODBC driver…';
const t0=Date.now();
setTimeout(()=>{
status.textContent='Translating SQL → MongoDB query…';
setTimeout(()=>{
const db=document.getElementById('odbcDb')?.value||'analytics';
const coll=document.getElementById('odbcColl')?.value||'events';
const elapsed=((Date.now()-t0)/1000).toFixed(3);
const rowCount=Math.floor(800+Math.random()*200);
status.textContent=`✓ Completed in ${elapsed}s — ${rowCount} rows matched`;
btn.disabled=false;btn.innerHTML='<i class="fas fa-play-circle"></i> Run Query';
document.getElementById('odbcExecTime').textContent=elapsed+'s';
document.getElementById('odbcRowsReturned').textContent=rowCount.toLocaleString()+' (showing 8)';
document.getElementById('odbcRowCount').textContent=`— ${rowCount.toLocaleString()} rows`;
const thead=document.getElementById('odbcTableHead');
const tbody=document.getElementById('odbcTableBody');
thead.replaceChildren(...['_id','user_id','event_type','ts'].map(h=>{
const th=document.createElement('th');
th.classList.add('odbc-table-th');th.textContent=h;
return th;
}));
tbody.replaceChildren(...MOCK_ROWS.map((row,i)=>{
const tr=document.createElement('tr');
tr.classList.add(i % 2 === 0 ? 'odbc-row-even' : 'odbc-row-odd');
tr.replaceChildren(...row.map(cell=>{
const td=document.createElement('td');
td.classList.add('odbc-table-td');td.textContent=cell;
return td;
}));
return tr;
}));
results.style.display='block';
},600);
},700);
}
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const pct = e.target.dataset.pct;
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benchObs.unobserve(e.target);
}
});
}, { threshold: 0.2 });
document.querySelectorAll('.bench-row').forEach(r => benchObs.observe(r));
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