node-query/node_modules/mysql2/test/integration/connection/test-prepare-and-close.js

27 lines
700 B
JavaScript

var common = require('../../common');
var connection = common.createConnection();
var assert = require('assert');
var max = 500;
var start = process.hrtime();
function prepare(i) {
connection.prepare('select 1+' + i, function(err, stmt) {
stmt.close();
if (!err) {
if (i > max) {
var end = process.hrtime(start);
var ns = end[0]*1e9+end[1];
console.log(max*1e9/ns + ' prepares/sec');
return connection.end();
}
setTimeout(function() {prepare(i+1)}, 2);
return;
}
assert(0, 'Error in prepare!');
});
}
connection.query('SET GLOBAL max_prepared_stmt_count=10', function(err) {
if (err) throw err;
prepare(1);
});