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DBApp.js
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DBApp.js
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/* WARNING: Do NOT forget to terminate your lines with ; otherwise it breaks in strange ways */
/* WARNING: use /* style commenting */
var schemaData;
function completeLogin() {
document.getElementById("overlay").style.display = "none";
}
function showLogin() {
document.getElementById("overlay").style.display = "block";
document.getElementById("modal").style.display = "block";
}
var loggedinresponse = false;
function doLogin() {
document.getElementById("modal").style.display = "none";
var db = {
server: document.getElementById('server').value,
login: document.getElementById('login').value,
password: document.getElementById('password').value
};
server = document.getElementById('server').value;
login = document.getElementById('login').value;
password = document.getElementById('password').value;
document.getElementById('schemasinfo').innerHTML = " Fetching Schemas <blink>...</blink>";
setTimeout(function(){
if (!loggedinresponse) {
document.getElementById('loginmessage').innerHTML = "<span style='color: red;'>Login Timed out</span>";
showLogin();
}
loggedinresponse = false;
}, 10000);
wvlogin(
db
).then(
function (res) {
loggedinresponse = true;
document.getElementById('loginButton').disabled = false;
if (res.result) {
document.getElementById('systemInfo').innerHTML = " mysql://" + login + "@" + server + "/ (" + res.version + ") <span class='database'></span> " + parseInt(res.data.length).toLocaleString() + " 📊 " + parseInt(res.tables_tot).toLocaleString() + " 👁️ " + parseInt(res.views_tot).toLocaleString() + " = " + Math.round(parseFloat(res.mb_tot)).toLocaleString() + " MB";
document.getElementById('message').innerHTML = res.message;
document.getElementById('message').style.color = "green";
document.getElementById('logout').disabled = false;
document.getElementById('runsql').disabled = false;
document.getElementById('clear').disabled = false;
document.getElementById("overlay").style.display = "none";
showSchemas(res);
} else {
document.getElementById('loginmessage').innerHTML = res.message;
showLogin();
}
}
);
}
function doLogout() {
document.getElementById('logout').disabled = true;
document.getElementById('runsql').disabled = true;
document.getElementById('clear').disabled = true;
document.getElementById('message').innerHTML = "";
wvlogout().then(
function(res) {
document.getElementById('loginmessage').innerHTML = res.message;
showLogin();
}
);
}
function refreshSchemas() {
document.getElementById('schemasinfo').innerHTML = " Fetching Schemas <blink>...</blink>";
var schemas = document.getElementById('schemas');
if (schemas) {
while( schemas.firstChild ){
schemas.removeChild(schemas.firstChild);
}
}
wvschemas().then(
function(res) {
showSchemas(res);
}
);
}
function showSchemas(res) {
var schemas = document.getElementById('schemas');
schemaData = res.data;
for (var i = 0; i < res.data.length; i = i + 1) {
var schema = document.createElement("li");
var a = document.createElement('a');
var ap = document.createElement('a');
var progress = document.createElement('progress');
progress.style.width = "50px";
progress.max = parseInt(res.mb_max);
progress.value = parseInt(res.data[i].mb);
var linkText = document.createTextNode(res.data[i].schema);
ap.appendChild(progress);
ap.href = "javascript:void(0)";
ap.title = Math.round(parseFloat(res.data[i].mb)).toLocaleString() + " MB";
schema.appendChild(ap);
schema.appendChild(document.createTextNode(" "));
a.appendChild(linkText);
a.href = "javascript:void(0)";
a.sn = i;
a.onclick = function () {
showSchemaInfo(this.sn);
return false;
};
schema.appendChild(a);
schemas.appendChild(schema);
}
document.getElementById('schemasinfo').innerHTML = "<button name=\"Refresh\" id=\"refreshButton\" onclick=\"refreshSchemas()\">Refresh Schemas</button>";
}
function showSchemaInfo(sn) {
document.getElementById('catalog').value = schemaData[sn].catalog;
document.getElementById('schema').value = schemaData[sn].schema;
document.getElementById('tablelist').innerHTML = '';
wvtables(
schemaData[sn].catalog,
schemaData[sn].schema
).then(
function(tabinfo) {
if (tabinfo.result) {
document.getElementById('schemainfo').innerHTML = "<button onclick=\"showSchemaInfo(" + sn + ")\" style=\"float: right;\">Refresh</button><b>" + schemaData[sn].schema + "</b> " + parseFloat(schemaData[sn].mb).toLocaleString() + "MB " + parseInt(schemaData[sn].tables).toLocaleString() + " Tables (" + schemaData[sn].catalog + " " + schemaData[sn].charset + "." + schemaData[sn].collation + ")";
var txt = "<table class='sortable' style='font-size:75%'><thead><tr><th>Table Name</th><th>~ Rows</th><th>~ Data / Index (MB)</th><th>~ Total (MB)</th><th>Comment</th></thead></tr><tbody>";
for (var x in tabinfo.data) {
var tr = parseFloat(tabinfo.data[x].table_rows);
var dl = parseFloat(tabinfo.data[x].data_length);
var il = parseFloat(tabinfo.data[x].index_length);
var di = dl + il;
var table_type = "📊";
if (tabinfo.data[x].table_type == "VIEW") {
table_type = "👁️";
}
txt += "<tr><td data-sort=\"" + tabinfo.data[x].table_name + "\"><a href=\"#\" onclick=\"document.getElementById('sql').value = document.getElementById('sql').value + 'SELECT ' + (altKey?'*':'" + tabinfo.data[x].columns + "') + '\\r\\nFROM " + schemaData[sn].schema + "." + tabinfo.data[x].table_name + "\\r\\nLIMIT 1000;\\r\\n';decorator.update();return false;\" style=\"text-decoration: none;\">" + table_type + " " + tabinfo.data[x].table_name + "</a></td><td style=\"text-align:right\" data-sort=\"" + tr + "\"><a href=\"#\" onclick=\"document.getElementById('sql').value = document.getElementById('sql').value + 'SELECT COUNT(*)\\r\\nFROM " + schemaData[sn].schema + "." + tabinfo.data[x].table_name + ";\\r\\n';decorator.update();return false;\" style=\"text-decoration: none;\">" + tr.toLocaleString() + "</a></td><td style=\"text-align:right\" data-sort=\"" + di + "\">" + dl.toLocaleString() + " / " + il.toLocaleString() + "</td><td style=\"text-align:right\" data-sort=\"" + di + "\">" + di.toLocaleString() + "</td><td>" + tabinfo.data[x].table_comment + "</td></tr>";
}
txt += "</tbody></table>";
document.getElementById('tablelist').innerHTML = txt;
} else {
document.getElementById('message').innerHTML = tabinfo.message;
}
}
);
}
this.sqlresponse = false;
var resultbody = document.createElement("tbody");
function runSQL() {
document.getElementById('message').innerHTML = "";
document.getElementById('results').innerHTML = "";
document.getElementById('runsql').disabled = true;
var sqlta = document.getElementById('sql');
let sql = sqlta.value.substring(sqlta.selectionStart, sqlta.selectionEnd);
if (sqlta.selectionStart == sqlta.selectionEnd) {
if (sqlta.selectionStart == sqlta.value.length - 1) {
sqlta.selectionStart = sqlta.selectionStart - 1;
sqlta.selectionEnd = sqlta.selectionEnd - 1;
}
var nextcolon = sqlta.value.substring(sqlta.selectionStart).indexOf(";");
var selectionEnd = sqlta.selectionStart + nextcolon;
if (nextcolon == -1) {
selectionEnd = sqlta.value.length;
}
var selectionStart = sqlta.value.substring(0, sqlta.selectionStart).lastIndexOf(";");
sql = sqlta.value.substring(selectionStart + 1, selectionEnd + 1);
}
setTimeout(() => {
if(!this.sqlresponse) {
document.getElementById('runsql').disabled = false;
document.getElementById('message').innerHTML = "<span style='color: red;'>Query Timed out</span>";
}
this.sqlresponse = false;
}, 50000);
wvsql(
document.getElementById('catalog').value,
document.getElementById('schema').value,
sql
).then(
function(res) {
this.sqlresponse = true;
document.getElementById('runsql').disabled = false;
document.getElementById('message').innerHTML = res.message;
if (res.result) {
/* We are relying on the C++ backend to create the table for better speed */
document.getElementById('results').innerHTML = atob(res.htmltable);
}
}
);
}