Update SQLite3 Drivers

Update bundled drivers to version 1.2.4.

vendor/plugins/sqlite3-ruby/test/bm.rb

@@ -0,0 +1,140 @@
+require 'benchmark'
+
+N = 1000
+
+$VERBOSE=nil
+
+puts "file require"
+Benchmark.bm( 7 ) do |x|
+  x.report('sqlite') do
+    N.times do
+      $".delete_if { |i| i =~ /sqlite/ }
+      require 'sqlite'
+    end
+  end
+  x.report('sqlite3') do
+    N.times do
+      $".delete_if { |i| i =~ /sqlite3/ }
+      require 'sqlite3'
+    end
+  end
+end
+
+puts
+puts "database creation..."
+Benchmark.bm( 7 ) do |x|
+  x.report('sqlite') do
+    N.times do
+      File.delete "test.db" rescue nil
+      SQLite::Database.open( "test.db" ).close
+    end
+  end
+  x.report('sqlite3') do
+    N.times do
+      File.delete "test.db" rescue nil
+      SQLite3::Database.open( "test.db" ).close
+    end
+  end
+end
+File.delete "test.db" rescue nil
+
+SQLite::Database.open( "test.db" ).close
+SQLite3::Database.open( "test3.db" ).close
+
+puts
+puts "database open..."
+Benchmark.bm( 7 ) do |x|
+  x.report('sqlite') do
+    N.times do
+      SQLite::Database.open( "test.db" ).close
+    end
+  end
+  x.report('sqlite3') do
+    N.times do
+      SQLite3::Database.open( "test3.db" ).close
+    end
+  end
+end
+File.delete "test.db" rescue nil
+File.delete "test3.db" rescue nil
+
+db = SQLite::Database.open( "test.db" )
+db3 = SQLite3::Database.open( "test3.db" )
+
+db.execute "create table foo (a,b)"
+db3.execute "create table foo (a,b)"
+
+puts
+puts "insertions"
+Benchmark.bm( 7 ) do |x|
+  x.report('sqlite') do
+    db.transaction do
+      N.times do |i|
+        db.execute "insert into foo values (#{i}, #{i+1})"
+      end
+    end
+  end
+  x.report('sqlite3') do
+    db3.transaction do
+      N.times do |i|
+        db3.execute "insert into foo values (#{i}, #{i+1})"
+      end
+    end
+  end
+end
+
+puts
+puts "insertions using prepared statement"
+Benchmark.bm( 7 ) do |x|
+  x.report('sqlite') do
+    db.transaction do
+      stmt = db.prepare "insert into foo values (?,?)"
+      N.times { |i| stmt.execute i, i+1 }
+    end
+  end
+  x.report('sqlite3') do
+    db3.transaction do
+      db3.prepare( "insert into foo values (?,?)" ) do |stmt|
+        N.times { |i| stmt.execute i, i+1 }
+      end
+    end
+  end
+end
+
+db.close
+db3.close
+File.delete "test.db" rescue nil
+File.delete "test3.db" rescue nil
+
+db = SQLite::Database.open( "test.db" )
+db3 = SQLite3::Database.open( "test3.db" )
+
+db.execute "create table foo (a,b)"
+db.execute "insert into foo values (1,2)"
+db.execute "insert into foo values (3,4)"
+db.execute "insert into foo values (5,6)"
+
+db3.execute "create table foo (a,b)"
+db3.execute "insert into foo values (1,2)"
+db3.execute "insert into foo values (3,4)"
+db3.execute "insert into foo values (5,6)"
+
+puts
+puts "queries"
+Benchmark.bm( 7 ) do |x|
+  x.report('sqlite') do
+    N.times do
+      db.execute "select * from foo"
+    end
+  end
+  x.report('sqlite3') do
+    N.times do
+      db3.execute "select * from foo"
+    end
+  end
+end
+
+db.close
+db3.close
+File.delete "test.db" rescue nil
+File.delete "test3.db" rescue nil