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<h1 class="page-title">Source: Result.js</h1>
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<pre class="prettyprint source linenums"><code>const Helpers = require('./Helpers');
/**
* Query result object
*
* @param {Array} rows - the data rows of the result
* @param {Array} columns - the column names in the result
*/
class Result {
/**
* Create a result object
*
* @private
* @param {Array} [rows] - the data rows of the result
* @param {Array} [columns] - the column names in the result
*/
constructor (rows = [], columns = []) {
this._rows = rows;
this._columns = columns;
// If columns aren't explicitly given,
// get the list from the first row's keys
if (
this._columns.length === 0 &&
this._rows.length > 0 &&
Helpers.isObject(rows[0])
) {
this.columns = Object.keys(rows[0]);
}
}
/**
* Return the result rows
*
* @private
* @return {Array} - the data rows of the result
*/
get rows () {
return this._rows;
}
/**
* Set the result rows for the result object
*
* @private
* @param {Array} rows - the data rows of the result
* @return {void}
*/
set rows (rows) {
this._rows = rows;
}
/**
* Return the result columns
*
* @private
* @return {Array} - the column names in the result
*/
get columns () {
return this._columns;
}
/**
* Set the result columns for the result object
*
* @private
* @param {Array} cols - the array of columns for the current result
* @return {void}
*/
set columns (cols) {
this._columns = cols;
}
/**
* Get the number of rows returned by the query
*
* @return {Number} - the number of rows in the result
*/
rowCount () {
return this._rows.length;
}
/**
* Get the number of columns returned by the query
*
* @return {Number} - the number of columns in the result
*/
columnCount () {
return this._columns.length;
}
}
module.exports = Result;
</code></pre>
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