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// BASE SETUP | |
// ============================================================================= | |
// call the packages we need | |
var express = require('express'); // call express | |
var app = express(); // define our app using express | |
var bodyParser = require('body-parser'); // allows parsing of post params | |
var request = require('request'); // enable performing http requests | |
// configure app to use bodyParser() |
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module ActiveRecord::UnionScope | |
def self.included(base) | |
base.send :extend, ClassMethods | |
end | |
module ClassMethods | |
def union_scope(*scopes) | |
id_column = "#{table_name}.#{primary_key}" | |
sub_query = scopes.map { |s| s.select(id_column).to_sql }.join(" UNION ") | |
where "#{id_column} IN (#{sub_query})" |
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# here's a quick recipe to run a performance test | |
# with this method, you can: | |
#-> easily choose the examples you want included from your existing specs | |
#-> define the target number of total iterations you'd like, no limit | |
#-> tune the transaction mix by specifying frequency metadata for each example | |
#-> be happy that the transaction mix is fairly homogeneous over the test interval | |
# (ideally you'd run this with acceptance (webrat/capybara) specs, but you | |
# could employ this technique for any rspec test) |