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const $ = require('jquery');
const cm = require("codemirror");
const { Pool } = require("pg");
require('datatables')(window, $);
require("codemirror/mode/sql/sql");
const Split = require("split.js");
const editorContext = cm(document.getElementById("editor"), {
value: "select *\nfrom information_schema.tables",
mode: "text/x-sql",
lineNumbers: true
});
const connectionPool = new Pool({
user: 'postgres',
host: 'localhost',
database: 'postgres',
password: '',
port: 5432
});
let dataTable;
function runQuery() {
var query = editorContext.getValue();
console.log(query);
connectionPool.query(query, (err, res) => {
console.log(err, res)
displayResults(res);
});
}
function displayResults(results) {
if(dataTable) {
dataTable.destroy();
_resultsTable().empty();
}
dataTable = _resultsTable().DataTable({
paging: false,
destroy: true,
data: results.rows,
columns: _mapColumnProperties(results)
});
}
function _mapColumnProperties(results) {
return results.fields.map(function (column) {
return {
"data": column.name,
"title": column.name
};
});
}
function _resultsTable() {
return $("#result-table");
}
$(document).ready(function () {
$('#run-query').click(runQuery);
Split(['.editor-row', '.results-row'], {
sizes: [50, 50],
direction: 'vertical',
gutterSize: 10,
elementStyle: function (dimension, size, gutterSize) {
return {
'flex-basis': 'calc(' + size + '% - ' + gutterSize + 'px)'
}
},
gutterStyle: function (dimension, gutterSize) {
return {
'flex-basis': gutterSize + 'px'
}
}
});
})
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