mysql2/benchmark/query_with_mysql_casting.rb

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# encoding: UTF-8
$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/..')
require 'rubygems'
require 'benchmark'
require 'mysql'
require 'mysql2_ext'
require 'do_mysql'
number_of = 100
database = 'test'
sql = "SELECT * FROM mysql2_test LIMIT 100"
class Mysql
include Enumerable
end
def mysql_cast(type, value)
case type
when Mysql::Field::TYPE_NULL
nil
when Mysql::Field::TYPE_TINY, Mysql::Field::TYPE_SHORT, Mysql::Field::TYPE_LONG,
Mysql::Field::TYPE_INT24, Mysql::Field::TYPE_LONGLONG, Mysql::Field::TYPE_YEAR
value.to_i
when Mysql::Field::TYPE_DECIMAL, Mysql::Field::TYPE_NEWDECIMAL
BigDecimal.new(value)
when Mysql::Field::TYPE_DOUBLE, Mysql::Field::TYPE_FLOAT
value.to_f
when Mysql::Field::TYPE_DATE
Date.parse(value)
when Mysql::Field::TYPE_TIME, Mysql::Field::TYPE_DATETIME, Mysql::Field::TYPE_TIMESTAMP
Time.parse(value)
when Mysql::Field::TYPE_BLOB, Mysql::Field::TYPE_BIT, Mysql::Field::TYPE_STRING,
Mysql::Field::TYPE_VAR_STRING, Mysql::Field::TYPE_CHAR, Mysql::Field::TYPE_SET
Mysql::Field::TYPE_ENUM
value
else
value
end
end
Benchmark.bmbm do |x|
mysql2 = Mysql2::Client.new(:host => "localhost", :username => "root")
mysql2.query "USE #{database}"
x.report do
puts "Mysql2"
number_of.times do
mysql2_result = mysql2.query sql
mysql2_result.each(:symbolize_keys => true) do |res|
# puts res.inspect
end
end
end
mysql = Mysql.new("localhost", "root")
mysql.query "USE #{database}"
x.report do
puts "Mysql"
number_of.times do
mysql_result = mysql.query sql
fields = mysql_result.fetch_fields
mysql_result.each do |row|
row_hash = {}
row.each_with_index do |f, j|
row_hash[fields[j].name.to_sym] = mysql_cast(fields[j].type, row[j])
end
# puts row_hash.inspect
end
end
end
do_mysql = DataObjects::Connection.new("mysql://localhost/#{database}")
command = DataObjects::Mysql::Command.new do_mysql, sql
x.report do
puts "do_mysql"
number_of.times do
do_result = command.execute_reader
do_result.each do |res|
# puts res.inspect
end
end
end
end