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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>DuckDB Explorer</title>
<style>
/* --- THEME VARIABLES --- */
:root {
--bg-color: #f4f7f6;
--text-color: #333;
--header-bg: #4CAF50;
--header-text: white;
--sidebar-bg: #e9ecef;
--sidebar-text: #495057;
--sidebar-hover-bg: #d4dadf;
--sidebar-active-bg: #007bff;
--sidebar-active-text: white;
--content-bg: #fff;
--border-color: #dee2e6;
--border-color-light: #e9ecef;
--table-header-bg: #f8f9fa;
--table-row-even-bg: #fdfdfe;
--button-primary-bg: #28a745;
--button-primary-hover-bg: #218838;
--button-primary-text: white;
--status-success-bg: #d1e7dd;
--status-success-text: #0f5132;
--status-success-border: #badbcc;
--status-error-bg: #f8d7da;
--status-error-text: #842029;
--status-error-border: #f5c2c7;
/* --loader-border: #f3f3f3; */ /* No longer needed */
/* --loader-spinner: #007bff; */ /* No longer needed */
--input-border: #ced4da;
--input-bg: #fff;
--link-color: #007bff;
}
@media (prefers-color-scheme: dark) {
:root {
--bg-color: #1a1a1a;
--text-color: #e8e8e8;
--header-bg: #2a622d;
--header-text: #e8e8e8;
--sidebar-bg: #2c2c2c;
--sidebar-text: #adb5bd;
--sidebar-hover-bg: #444;
--sidebar-active-bg: #0056b3;
--sidebar-active-text: white;
--content-bg: #212121;
--border-color: #444;
--border-color-light: #333;
--table-header-bg: #2c2c2c;
--table-row-even-bg: #252525;
--button-primary-bg: #218838;
--button-primary-hover-bg: #1e7e34;
--button-primary-text: white;
--status-success-bg: #143620;
--status-success-text: #a3cfbb;
--status-success-border: #2a622d;
--status-error-bg: #58151c;
--status-error-text: #f5c6cb;
--status-error-border: #842029;
/* --loader-border: #444; */ /* No longer needed */
/* --loader-spinner: #4dabf7; */ /* No longer needed */
--input-border: #555;
--input-bg: #333;
--link-color: #4dabf7;
}
input[type="text"], textarea {
color: var(--text-color);
background-color: var(--input-bg);
}
th, td {
color: var(--text-color);
}
::placeholder { color: #888; opacity: 1; }
:-ms-input-placeholder { color: #888; }
::-ms-input-placeholder { color: #888; }
}
/* --- General Styles --- */
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
margin: 0; padding: 0; display: flex; flex-direction: column; height: 100vh;
background-color: var(--bg-color); color: var(--text-color);
transition: background-color 0.3s, color 0.3s;
}
a { color: var(--link-color); }
/* --- Header --- */
header {
background-color: var(--header-bg); color: var(--header-text); padding: 15px 20px;
display: flex; align-items: center; box-shadow: 0 2px 4px rgba(0,0,0,0.1);
font-size: 1.2em; font-weight: bold; transition: background-color 0.3s, color 0.3s;
}
/* Removed header .loader styling */
/* --- Container, Sidebar, Main Content (Keep as before) --- */
.container { display: flex; flex: 1; overflow: hidden; }
#sidebar { width: 220px; background-color: var(--sidebar-bg); padding: 15px; overflow-y: auto; border-right: 1px solid var(--border-color); transition: background-color 0.3s; }
#sidebar h3 { margin-top: 0; margin-bottom: 15px; color: var(--sidebar-text); border-bottom: 1px solid var(--border-color); padding-bottom: 10px; }
#tableList { list-style: none; padding: 0; margin: 0; }
#tableList li { padding: 8px 10px; cursor: pointer; border-radius: 4px; margin-bottom: 5px; transition: background-color 0.2s, color 0.2s; font-size: 0.95em; color: var(--sidebar-text); }
#tableList li:hover { background-color: var(--sidebar-hover-bg); }
#tableList li.active { background-color: var(--sidebar-active-bg); color: var(--sidebar-active-text); font-weight: bold; }
#mainContent { flex: 1; display: flex; flex-direction: column; padding: 20px; overflow: hidden; }
.content-area { flex: 1; display: flex; flex-direction: column; overflow: hidden; gap: 15px; }
#schemaDisplay, #dataDisplayContainer, #queryResultContainer { background-color: var(--content-bg); border: 1px solid var(--border-color); border-radius: 5px; padding: 15px; margin-bottom: 0; overflow: auto; box-shadow: 0 1px 3px rgba(0,0,0,0.05); transition: background-color 0.3s, border-color 0.3s; }
#schemaDisplay h4, #dataDisplayContainer h4, #queryResultContainer h4 { margin-top: 0; color: var(--sidebar-text); border-bottom: 1px solid var(--border-color-light); padding-bottom: 10px; margin-bottom: 15px; }
#dataDisplayContainer { flex: 1; display: flex; flex-direction: column; }
#dataDisplay { flex: 1; overflow: auto; min-height: 100px; }
#schemaDisplay p, #dataDisplayContainer p { color: #888; }
/* --- Query Area (Keep as before) --- */
#queryArea { padding-top: 20px; border-top: 1px solid var(--border-color); background-color: var(--content-bg); padding: 15px; border-radius: 5px; box-shadow: 0 -1px 3px rgba(0,0,0,0.05); margin-top: 15px; transition: background-color 0.3s, border-color 0.3s; }
#queryArea h4 { margin-top: 0; margin-bottom: 10px; color: var(--sidebar-text); }
#queryArea textarea { width: 100%; min-height: 80px; padding: 10px; border: 1px solid var(--input-border); border-radius: 4px; box-sizing: border-box; font-family: monospace; margin-bottom: 10px; resize: vertical; background-color: var(--input-bg); color: var(--text-color); transition: background-color 0.3s, border-color 0.3s, color 0.3s; }
#queryArea button { padding: 10px 20px; background-color: var(--button-primary-bg); color: var(--button-primary-text); border: none; border-radius: 4px; cursor: pointer; transition: background-color 0.2s; font-weight: bold; }
#queryArea button:hover { background-color: var(--button-primary-hover-bg); }
/* --- Tables (Keep as before) --- */
table { width: 100%; border-collapse: collapse; margin-top: 0; font-size: 0.9em; }
th, td { border: 1px solid var(--border-color-light); padding: 10px 12px; text-align: left; white-space: nowrap; max-width: 250px; overflow: hidden; text-overflow: ellipsis; color: var(--text-color); transition: border-color 0.3s; }
th { background-color: var(--table-header-bg); font-weight: 600; position: sticky; top: 0; z-index: 1; transition: background-color 0.3s; }
tr:nth-child(even) { background-color: var(--table-row-even-bg); transition: background-color 0.3s; }
tr:nth-child(odd) { background-color: var(--content-bg); transition: background-color 0.3s; }
/* --- Status Message (Keep as before) --- */
#statusMessage { padding: 10px 15px; margin-top: 15px; border-radius: 4px; display: none; font-size: 0.9em; transition: background-color 0.3s, color 0.3s, border-color 0.3s; }
#statusMessage.success { background-color: var(--status-success-bg); color: var(--status-success-text); border: 1px solid var(--status-success-border); }
#statusMessage.error { background-color: var(--status-error-bg); color: var(--status-error-text); border: 1px solid var(--status-error-border); }
/* Removed .loader and @keyframes spin styling */
</style>
</head>
<body>
<header>
<span>🦆 DuckDB Explorer</span>
<!-- Removed loader div -->
</header>
<div class="container">
<aside id="sidebar">
<h3>Tables</h3>
<ul id="tableList">
<li>Loading...</li>
</ul>
</aside>
<main id="mainContent">
<div class="content-area">
<div id="schemaDisplay">
<h4>Schema</h4>
<p id="schemaPlaceholder">Select a table from the list.</p>
<table id="schemaTable"></table>
</div>
<div id="dataDisplayContainer">
<h4>Data <span id="tableDataHeader"></span></h4>
<p id="dataPlaceholder">Select a table from the list.</p>
<div id="dataDisplay">
<table id="dataTable"></table>
</div>
</div>
<div id="queryResultContainer" style="display: none;">
<h4>Query Result</h4>
<div id="queryResultDisplay">
<table id="queryResultTable"></table>
</div>
</div>
</div>
<div id="queryArea">
<h4>Custom SQL Query (SELECT/SHOW/PRAGMA only)</h4>
<textarea id="sqlInput" placeholder="Enter your SELECT query here... e.g., SELECT * FROM table_name LIMIT 10"></textarea>
<button id="runSqlButton">Run SQL</button>
</div>
<div id="statusMessage"></div>
</main>
</div>
<script>
// --- Keep the existing element variables EXCEPT loadingIndicator ---
const tableList = document.getElementById('tableList');
const schemaDisplay = document.getElementById('schemaDisplay');
const schemaTable = document.getElementById('schemaTable');
const schemaPlaceholder = document.getElementById('schemaPlaceholder');
const dataDisplayContainer = document.getElementById('dataDisplayContainer');
const dataDisplay = document.getElementById('dataDisplay');
const dataTable = document.getElementById('dataTable');
const dataPlaceholder = document.getElementById('dataPlaceholder');
const tableDataHeader = document.getElementById('tableDataHeader');
const sqlInput = document.getElementById('sqlInput');
const runSqlButton = document.getElementById('runSqlButton');
const queryResultContainer = document.getElementById('queryResultContainer');
const queryResultDisplay = document.getElementById('queryResultDisplay');
const queryResultTable = document.getElementById('queryResultTable');
const statusMessage = document.getElementById('statusMessage');
// const loadingIndicator = document.getElementById('loadingIndicator'); // Removed
// --- API URL, currentTables, selectedTable, polling (Keep as before) ---
const API_BASE_URL = '';
let currentTables = [];
let selectedTable = null;
let pollingIntervalId = null;
const POLLING_INTERVAL_MS = 10000;
// --- Utility Functions ---
// --- REMOVE showLoader function ---
// function showLoader(show) {
// loadingIndicator.style.display = show ? 'inline-block' : 'none';
// }
// --- Keep showStatus, clearStatus ---
function showStatus(message, isError = false) {
statusMessage.textContent = message;
statusMessage.className = isError ? 'error' : 'success';
statusMessage.style.display = 'block';
setTimeout(() => { statusMessage.style.display = 'none'; }, 5000);
}
function clearStatus() {
statusMessage.textContent = '';
statusMessage.style.display = 'none';
}
async function fetchAPI(endpoint, options = {}) {
// REMOVE showLoader(true);
clearStatus();
const url = `${API_BASE_URL}${endpoint}`;
try {
const response = await fetch(url, options);
if (!response.ok) {
let errorDetail = `HTTP error! status: ${response.status}`;
try {
const errorJson = await response.json();
errorDetail += ` - ${errorJson.detail || JSON.stringify(errorJson)}`;
} catch (e) { /* Ignore */ }
throw new Error(errorDetail);
}
const contentType = response.headers.get("content-type");
if (contentType && contentType.includes("application/json")) {
return await response.json();
}
return await response.text();
} catch (error) {
console.error('API Fetch Error:', error);
showStatus(`Error: ${error.message}`, true);
throw error;
} finally {
// REMOVE showLoader(false);
}
}
// --- Keep renderTable, renderSchema ---
function renderTable(data, tableElement) {
tableElement.innerHTML = '';
if (!data || !Array.isArray(data)) {
tableElement.innerHTML = '<tbody><tr><td>Invalid data format received.</td></tr></tbody>';
console.error("Invalid data format for renderTable:", data);
return;
}
if (data.length === 0) {
tableElement.innerHTML = '<tbody><tr><td>No data available.</td></tr></tbody>';
return;
}
const headers = Object.keys(data[0]);
const thead = tableElement.createTHead();
const headerRow = thead.insertRow();
headers.forEach(headerText => {
const th = document.createElement('th');
th.textContent = headerText;
headerRow.appendChild(th);
});
const tbody = tableElement.createTBody();
data.forEach(rowData => {
const row = tbody.insertRow();
headers.forEach(header => {
const cell = row.insertCell();
const value = rowData[header];
cell.textContent = (value === null || value === undefined) ? 'NULL' : String(value);
});
});
}
function renderSchema(schemaData) {
schemaTable.innerHTML = '';
schemaPlaceholder.style.display = 'none';
if (!schemaData || !schemaData.columns || schemaData.columns.length === 0) {
schemaTable.innerHTML = '<tbody><tr><td colspan="2">No schema information available.</td></tr></tbody>';
return;
}
const thead = schemaTable.createTHead();
const headerRow = thead.insertRow();
['Name', 'Type'].forEach(headerText => {
const th = document.createElement('th');
th.textContent = headerText;
headerRow.appendChild(th);
});
const tbody = schemaTable.createTBody();
schemaData.columns.forEach(column => {
const row = tbody.insertRow();
row.insertCell().textContent = column.name;
row.insertCell().textContent = column.type;
});
}
// --- Event Handlers (Keep and ensure showLoader calls are removed) ---
async function loadTables(isPolling = false) {
// ... (keep existing logic, just remove showLoader calls) ...
if (!isPolling) {
tableList.innerHTML = '<li>Loading tables...</li>';
schemaTable.innerHTML = '';
dataTable.innerHTML = '';
tableDataHeader.textContent = '';
queryResultContainer.style.display = 'none';
schemaPlaceholder.style.display = 'block';
dataPlaceholder.style.display = 'block';
}
try {
const newTables = await fetchAPI('/tables');
if (!isPolling || JSON.stringify(newTables) !== JSON.stringify(currentTables)) {
console.log("Table list changed, updating UI.");
currentTables = newTables;
displayTables(currentTables);
if (!isPolling) {
showStatus("Tables loaded.", false);
}
if (selectedTable && !currentTables.includes(selectedTable)) {
console.log(`Selected table "${selectedTable}" removed.`);
selectedTable = null;
tableDataHeader.textContent = '';
schemaDisplay.innerHTML = '<h4>Schema</h4><p id="schemaPlaceholder">Select a table from the list.</p><table id="schemaTable"></table>';
dataDisplayContainer.innerHTML = '<h4>Data <span id="tableDataHeader"></span></h4><p id="dataPlaceholder">Select a table from the list.</p><div id="dataDisplay"><table id="dataTable"></table></div>';
schemaTable = document.getElementById('schemaTable');
dataTable = document.getElementById('dataTable');
schemaPlaceholder = document.getElementById('schemaPlaceholder');
dataPlaceholder = document.getElementById('dataPlaceholder');
tableDataHeader = document.getElementById('tableDataHeader');
}
}
if (currentTables.length > 0 && !isPolling) {
schemaPlaceholder.style.display = 'none';
dataPlaceholder.style.display = 'none';
} else if (currentTables.length === 0 && !isPolling) {
tableList.innerHTML = '<li>No tables found.</li>';
schemaPlaceholder.textContent = 'No tables found in the database.';
dataPlaceholder.textContent = 'No tables found in the database.';
}
} catch (error) {
if (!isPolling) {
tableList.innerHTML = '<li>Error loading tables.</li>';
schemaPlaceholder.textContent = 'Error loading tables.';
dataPlaceholder.textContent = 'Error loading tables.';
} else {
console.error("Polling error:", error);
}
}
}
function displayTables(tables) {
// ... (keep existing logic) ...
tableList.innerHTML = '';
if (tables.length === 0) {
tableList.innerHTML = '<li>No tables found.</li>';
return;
}
tables.sort().forEach(tableName => {
const li = document.createElement('li');
li.textContent = tableName;
li.dataset.tableName = tableName;
li.onclick = () => handleTableSelection(li);
if (tableName === selectedTable) {
li.classList.add('active');
}
tableList.appendChild(li);
});
}
async function handleTableSelection(listItem) {
// ... (keep existing logic, just remove showLoader calls) ...
const currentActive = tableList.querySelector('.active');
if (currentActive) {
currentActive.classList.remove('active');
}
listItem.classList.add('active');
selectedTable = listItem.dataset.tableName;
if (!selectedTable) return;
queryResultContainer.style.display = 'none';
dataDisplayContainer.style.display = 'flex';
dataPlaceholder.style.display = 'none';
tableDataHeader.textContent = `for table "${selectedTable}"`;
schemaPlaceholder.style.display = 'none';
schemaTable.innerHTML = '<tbody><tr><td colspan="2">Loading schema...</td></tr></tbody>';
dataTable.innerHTML = '<tbody><tr><td>Loading data...</td></tr></tbody>';
try {
const [schemaResponse, tableDataResponse] = await Promise.all([
fetchAPI(`/tables/${selectedTable}/schema`),
fetchAPI(`/tables/${selectedTable}?limit=100`)
]);
renderSchema(schemaResponse);
renderTable(tableDataResponse, dataTable);
} catch (error) {
schemaTable.innerHTML = '<tbody><tr><td colspan="2">Error loading schema.</td></tr></tbody>';
dataTable.innerHTML = '<tbody><tr><td>Error loading data.</td></tr></tbody>';
}
}
async function runCustomQuery() {
// ... (keep existing logic, just remove showLoader calls) ...
const sql = sqlInput.value.trim();
if (!sql) {
showStatus("SQL query cannot be empty.", true);
return;
}
const currentActive = tableList.querySelector('.active');
if (currentActive) {
currentActive.classList.remove('active');
}
selectedTable = null;
dataDisplayContainer.style.display = 'none';
dataPlaceholder.style.display = 'none';
schemaPlaceholder.style.display = 'block';
schemaTable.innerHTML = '';
tableDataHeader.textContent = '';
queryResultContainer.style.display = 'block';
queryResultTable.innerHTML = '<tbody><tr><td>Running query...</td></tr></tbody>';
try {
const resultData = await fetchAPI('/query', {
method: 'POST',
headers: { 'Content-Type': 'application/json', },
body: JSON.stringify({ sql: sql }),
});
renderTable(resultData, queryResultTable);
showStatus("Query executed successfully.", false);
} catch (error) {
queryResultTable.innerHTML = '<tbody><tr><td>Error executing query. See status message.</td></tr></tbody>';
}
}
// --- Keep Polling Functions ---
function startPolling() {
stopPolling();
console.log(`Starting polling every ${POLLING_INTERVAL_MS / 1000} seconds.`);
pollingIntervalId = setInterval(() => loadTables(true), POLLING_INTERVAL_MS);
}
function stopPolling() {
if (pollingIntervalId) {
console.log("Stopping polling.");
clearInterval(pollingIntervalId);
pollingIntervalId = null;
}
}
// --- Initial Setup ---
runSqlButton.onclick = runCustomQuery;
document.addEventListener('DOMContentLoaded', () => {
loadTables().then(() => {
if (currentTables.length >= 0) { // Start even if no tables initially
startPolling();
}
});
});
</script>
</body>
</html> |