X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/1f8a68371ad34594cce4aadf5fef229588fd4ddc..2bceba38bad5dfcf70023da99d17a5953183cd84:/vendor/plugins/sql_session_store/lib/postgresql_session.rb diff --git a/vendor/plugins/sql_session_store/lib/postgresql_session.rb b/vendor/plugins/sql_session_store/lib/postgresql_session.rb index d922913aa..bf7bf633b 100755 --- a/vendor/plugins/sql_session_store/lib/postgresql_session.rb +++ b/vendor/plugins/sql_session_store/lib/postgresql_session.rb @@ -1,9 +1,4 @@ -require 'postgres' - -# allow access to the real Mysql connection -class ActiveRecord::ConnectionAdapters::PostgreSQLAdapter - attr_reader :connection -end +require 'pg' # PostgresqlSession is a down to the bare metal session store # implementation to be used with +SQLSessionStore+. It is much faster @@ -15,45 +10,20 @@ end # # This table layout is compatible with ActiveRecordStore. -class PostgresqlSession - - # if you need Rails components, and you have a pages which create - # new sessions, and embed components insides these pages that need - # session access, then you *must* set +eager_session_creation+ to - # true (as of Rails 1.0). Not needed for Rails 1.1 and up. - cattr_accessor :eager_session_creation - @@eager_session_creation = false - - attr_accessor :id, :session_id, :data - - def initialize(session_id, data) - @session_id = session_id - @data = data - @id = nil - end - +class PostgresqlSession < AbstractSession class << self - - # retrieve the session table connection and get the 'raw' Postgresql connection from it - def session_connection - SqlSession.connection.connection - end - # try to find a session with a given +session_id+. returns nil if # no such session exists. note that we don't retrieve # +created_at+ and +updated_at+ as they are not accessed anywhyere # outside this class. def find_session(session_id) connection = session_connection - # postgres adds string delimiters when quoting, so strip them off - session_id = PGconn::quote(session_id)[1..-2] - result = connection.query("SELECT id, data FROM sessions WHERE session_id='#{session_id}' LIMIT 1") - my_session = nil - # each is used below, as other methods barf on my 64bit linux machine - # I suspect this to be a bug in mysql-ruby - result.each do |row| - my_session = new(session_id, row[1]) - my_session.id = row[0] + result = connection.query("SELECT id, data FROM sessions WHERE session_id = $1 LIMIT 1", [session_id]) + if result.ntuples > 0 + my_session = new(session_id, AbstractSession.unmarshalize(result.getvalue(0, 1))) + my_session.id = result.getvalue(0, 0) + else + my_session = nil end result.clear my_session @@ -61,13 +31,11 @@ class PostgresqlSession # create a new session with given +session_id+ and +data+ # and save it immediately to the database - def create_session(session_id, data) - # postgres adds string delimiters when quoting, so strip them off - session_id = PGconn::quote(session_id)[1..-2] + def create_session(session_id, data={}) new_session = new(session_id, data) if @@eager_session_creation connection = session_connection - connection.query("INSERT INTO sessions (\"created_at\", \"updated_at\", \"session_id\", \"data\") VALUES (NOW(), NOW(), '#{session_id}', #{PGconn::quote(data)})") + connection.query("INSERT INTO sessions (created_at, updated_at, session_id, data) VALUES (NOW(), NOW(), $1, $2)", [session_id, AbstractSession.marshalize(data)]) new_session.id = connection.lastval end new_session @@ -93,18 +61,19 @@ class PostgresqlSession if @id # if @id is not nil, this is a session already stored in the database # update the relevant field using @id as key - connection.query("UPDATE sessions SET \"updated_at\"=NOW(), \"data\"=#{PGconn::quote(data)} WHERE id=#{@id}") + connection.query("UPDATE sessions SET updated_at = NOW(), data = $1 WHERE id = $2", [AbstractSession.marshalize(data), @id]) else # if @id is nil, we need to create a new session in the database # and set @id to the primary key of the inserted record - connection.query("INSERT INTO sessions (\"created_at\", \"updated_at\", \"session_id\", \"data\") VALUES (NOW(), NOW(), '#{@session_id}', #{PGconn::quote(data)})") - @id = connection.lastval rescue connection.query("select lastval()").first[0] + result = connection.query("INSERT INTO sessions (created_at, updated_at, session_id, data) VALUES (NOW(), NOW(), $1, $2) RETURNING id", [@session_id, AbstractSession.marshalize(data)]) + @id = result.getvalue(0, 0) + result.clear end end # destroy the current session def destroy - self.class.delete_all("session_id=#{PGconn.quote(session_id)}") + self.class.delete_all("session_id='#{session_id}'") end end @@ -113,7 +82,7 @@ __END__ # This software is released under the MIT license # -# Copyright (c) 2006-2008 Stefan Kaes +# Copyright (c) 2006 Stefan Kaes # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the