48 lines
1.4 KiB
JavaScript
48 lines
1.4 KiB
JavaScript
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#!/usr/bin/env node
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function createdb(callback) {
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var existsSync = require('fs').existsSync || require('path').existsSync;
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var path = require('path');
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var sqlite3 = require('../../lib/sqlite3');
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var count = 1000000;
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var db_path = path.join(__dirname,'big.db');
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function randomString() {
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var str = '';
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var chars = 'abcdefghijklmnopqrstuvwxzyABCDEFGHIJKLMNOPQRSTUVWXZY0123456789 ';
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for (var i = Math.random() * 100; i > 0; i--) {
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str += chars[Math.floor(Math.random() * chars.length)];
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}
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return str;
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}
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if (existsSync(db_path)) {
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console.log('okay: database already created (' + db_path + ')');
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if (callback) callback();
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} else {
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console.log("Creating test database... This may take several minutes.");
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var db = new sqlite3.Database(db_path);
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db.serialize(function() {
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db.run("CREATE TABLE foo (id INT, txt TEXT)");
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db.run("BEGIN TRANSACTION");
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var stmt = db.prepare("INSERT INTO foo VALUES(?, ?)");
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for (var i = 0; i < count; i++) {
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stmt.run(i, randomString());
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}
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stmt.finalize();
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db.run("COMMIT TRANSACTION", [], function () {
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db.close(callback);
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});
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});
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}
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}
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if (require.main === module) {
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createdb();
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}
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module.exports = createdb;
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