126 lines
3.3 KiB
JavaScript
126 lines
3.3 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(cb) {
|
|
var bench = bencher({
|
|
name: 'select large sets',
|
|
repeat: 10,
|
|
actions: [{
|
|
name: 'selecting string',
|
|
run: function(next) {
|
|
var query = client.query('SELECT name FROM items');
|
|
query.on('error', function(er) {
|
|
console.log(er);throw er;
|
|
});
|
|
|
|
query.on('end', function() {
|
|
next();
|
|
});
|
|
}
|
|
}, {
|
|
name: 'selecting integer',
|
|
run: function(next) {
|
|
var query = client.query('SELECT count FROM items');
|
|
query.on('error', function(er) {
|
|
console.log(er);throw er;
|
|
});
|
|
|
|
query.on('end', function() {
|
|
next();
|
|
})
|
|
}
|
|
}, {
|
|
name: 'selecting date',
|
|
run: function(next) {
|
|
var query = client.query('SELECT created FROM items');
|
|
query.on('error', function(er) {
|
|
console.log(er);throw er;
|
|
});
|
|
|
|
query.on('end', function() {
|
|
next();
|
|
})
|
|
}
|
|
}, {
|
|
name: 'selecting row',
|
|
run: function(next) {
|
|
var query = client.query('SELECT * FROM items');
|
|
query.on('end', function() {
|
|
next();
|
|
})
|
|
}
|
|
}, {
|
|
name: 'loading all rows into memory',
|
|
run: function(next) {
|
|
var query = client.query('SELECT * FROM items', 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();
|
|
cb();
|
|
})
|
|
}
|
|
|
|
|
|
var client = new pg.Client(conString);
|
|
client.connect();
|
|
console.log();
|
|
console.log("creating temp table");
|
|
client.query("CREATE TEMP TABLE items(name VARCHAR(10), created TIMESTAMPTZ, count INTEGER)");
|
|
var count = 10000;
|
|
console.log("inserting %d rows", count);
|
|
for(var i = 0; i < count; i++) {
|
|
var query = {
|
|
name: 'insert',
|
|
text: "INSERT INTO items(name, created, count) VALUES($1, $2, $3)",
|
|
values: ["item"+i, new Date(2010, 01, 01, i, 0, 0), i]
|
|
};
|
|
client.query(query);
|
|
}
|
|
|
|
client.once('drain', function() {
|
|
console.log('done with insert. executing pure-javascript benchmark.');
|
|
doBenchmark(function() {
|
|
var oldclient = client;
|
|
client = new pg.native.Client(conString);
|
|
client.on('error', function(err) {
|
|
console.log(err);
|
|
throw err;
|
|
});
|
|
|
|
client.connect();
|
|
client.connect();
|
|
console.log();
|
|
console.log("creating temp table");
|
|
client.query("CREATE TEMP TABLE items(name VARCHAR(10), created TIMESTAMPTZ, count INTEGER)");
|
|
var count = 10000;
|
|
console.log("inserting %d rows", count);
|
|
for(var i = 0; i < count; i++) {
|
|
var query = {
|
|
name: 'insert',
|
|
text: "INSERT INTO items(name, created, count) VALUES($1, $2, $3)",
|
|
values: ["item"+i, new Date(2010, 01, 01, i, 0, 0), i]
|
|
};
|
|
client.query(query);
|
|
}
|
|
client.once('drain', function() {
|
|
console.log("executing native benchmark");
|
|
doBenchmark(function() {
|
|
console.log("all done");
|
|
})
|
|
})
|
|
});
|
|
});
|