first post

Nodejs-Socketio-Mysql-Demo/node_modules/mysql/benchmark/node-mysql/select.js

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+// Last v8 profile when running this test for 500k rows:
+// https://gist.github.com/f85c38010c038e5efe2e
+var common = require('../../test/common');
+var Client = require('../../lib/client'),
+    client = common.createClient(),
+    rows = 0;
+
+client.typeCast = false;
+
+client.query('CREATE DATABASE '+common.TEST_DB, function(err) {
+  //if (err && err.number != Client.ERROR_DB_CREATE_EXISTS) {
+    //throw err;
+  //}
+});
+
+client.query('USE '+common.TEST_DB);
+var selectStart = +new Date;
+
+function query() {
+  client
+    .query('SELECT * FROM '+common.TEST_TABLE)
+    .on('row', function(row) {
+      rows++;
+    })
+    .on('end', function() {
+      if (rows < 10000) {
+        query();
+        return;
+      }
+
+      var duration = (+new Date - selectStart) / 1000,
+          rowsPerSecond = rows / duration;
+      console.log('%d rows / second', rowsPerSecond.toFixed(2));
+      console.log('%d ms', +new Date - selectStart);
+      client.end();
+    });
+}
+
+query();