112 lines
3.0 KiB
HTML
112 lines
3.0 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>JSDoc: Source: drivers/Sqlite.js</title>
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<script src="scripts/prettify/prettify.js"> </script>
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<script src="scripts/prettify/lang-css.js"> </script>
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<!--[if lt IE 9]>
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<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
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<![endif]-->
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<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
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<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
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</head>
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<body>
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<div id="main">
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<h1 class="page-title">Source: drivers/Sqlite.js</h1>
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<section>
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<article>
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<pre class="prettyprint source linenums"><code>/**
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* Driver for SQLite databases
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*
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* @module drivers/Sqlite
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*/
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module.exports = (() => {
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delete require.cache[require.resolve('../Driver')];
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const driver = require('../Driver');
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// Sqlite doesn't have a truncate command
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driver.hasTruncate = false;
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/**
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* SQL to insert a group of rows
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* Override default to have better compatibility
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*
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* @param {String} table - The table to insert to
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* @param {Array} [data] - The array of object containing data to insert
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* @return {String} - The generated sql statement
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*/
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driver.insertBatch = (table, data) => {
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// Get the data values to insert, so they can
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// be parameterized
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let sql = '';
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const first = data.shift();
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const vals = [];
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data.forEach(obj => {
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const row = [];
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Object.keys(obj).forEach(key => {
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row.push(obj[key]);
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});
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vals.push(row);
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});
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sql += `INSERT INTO ${driver.quoteTable(table)}\n`;
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// Get the field names from the keys of the first
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// object to be inserted
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const fields = Object.keys(first);
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const cols = [];
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fields.forEach(key => {
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cols.push(`'${driver._quote(first[key])}' AS ${driver.quoteIdentifiers(key)}`);
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});
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sql += `SELECT ${cols.join(', ')}\n`;
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vals.forEach(rowValues => {
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const quoted = rowValues.map(value => String(value).replace('\'', '\'\''));
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sql += `UNION ALL SELECT '${quoted.join('\', \'')}'\n`;
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});
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return {
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sql: sql,
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values: undefined
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};
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};
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return driver;
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})();
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</code></pre>
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</article>
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</section>
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</div>
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<nav>
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<h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-drivers_MariaDB.html">drivers/MariaDB</a></li><li><a href="module-drivers_MSSQLDriver.html">drivers/MSSQLDriver</a></li><li><a href="module-drivers_Mysql.html">drivers/Mysql</a></li><li><a href="module-drivers_Pg.html">drivers/Pg</a></li><li><a href="module-drivers_Sqlite.html">drivers/Sqlite</a></li></ul><h3>Classes</h3><ul><li><a href="NodeQuery.html">NodeQuery</a></li><li><a href="QueryBuilder.html">QueryBuilder</a></li><li><a href="Result.html">Result</a></li></ul>
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</nav>
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<br class="clear">
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<footer>
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Mon Feb 12 2018 14:58:25 GMT-0500 (EST)
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