add escape benchmark

benchmark/escape.rb

@@ -0,0 +1,30 @@
+# encoding: UTF-8
+
+require 'rubygems'
+require 'benchmark'
+require 'mysql'
+require 'mysql2_ext'
+
+number_of = 1000
+database = 'nbb_1_production'
+str = "abc'def\"ghi\0jkl%mno"
+
+Benchmark.bmbm do |x|
+  mysql = Mysql.new("localhost", "root")
+  mysql.query "USE #{database}"
+  x.report do
+    puts "Mysql"
+    number_of.times do
+      mysql.escape_string str
+    end
+  end
+GC.start
+  mysql2 = Mysql2::Client.new
+  mysql2.query "USE #{database}"
+  x.report do
+    puts "Mysql2"
+    number_of.times do
+      mysql2.escape str
+    end
+  end
+end