random_hstore_array.rb

#!/usr/bin/env ruby

num_events = ARGV[0].to_i

@rng = Random.new
def rand_id
  @rng.rand 0...1000
end

def rand_data
  ['foo', 'bar', 'baz', 'foobar', 'hello', 'gr8_data', 'yolo'].sample
end

def rand_event
  "\"event_id=>#{rand_id},data=>#{rand_data}\""
end

hstore_events = (0...num_events).map { rand_event }

puts "SELECT dedupe_events('{ #{hstore_events.join ', '} }');"