node-postgres/benchmark/simple-query-bench.js
2010-12-30 21:45:16 -06:00

59 lines
1.5 KiB
JavaScript

var pg = require(__dirname + '/../lib')
var bencher = require('bencher');
var helper = require(__dirname + '/../test/test-helper')
var conString = helper.connectionString()
var round = function(num) {
return Math.round((num*1000))/1000
}
var doBenchmark = function() {
var bench = bencher({
name: 'query compare',
repeat: 1000,
actions: [{
name: 'simple query',
run: function(next) {
var query = client.query('SELECT name FROM person WHERE age > 10');
query.on('end', function() {
next();
});
}
},{
name: 'unnamed prepared statement',
run: function(next) {
var query = client.query('SELECT name FROM person WHERE age > $1', [10]);
query.on('end', function() {
next();
});
}
},{
name: 'named prepared statement',
run: function(next) {
var config = {
name: 'get peeps',
text: 'SELECT name FROM person WHERE age > $1',
values: [10]
}
client.query(config).on('end', function() {
next();
});
}
}]
});
bench(function(result) {
console.log();
console.log("%s (%d repeats):", result.name, result.repeat)
result.actions.forEach(function(action) {
console.log(" %s: \n average: %d ms\n total: %d ms", action.name, round(action.meanTime), round(action.totalTime));
})
client.end();
})
}
var client = new pg.Client(conString);
client.connect();
client.connection.once('readyForQuery', doBenchmark)