diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb index 432c341e6c..901b17124c 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -65,15 +65,23 @@ module ActiveRecord # The default ConnectionPool maximum size is 5. def initialize(spec) @spec = spec + # The cache of reserved connections mapped to threads @reserved_connections = {} + # The mutex used to synchronize pool access @connection_mutex = Monitor.new @queue = @connection_mutex.new_cond - # default 5 second timeout - @timeout = spec.config[:wait_timeout] || 5 + + # default 5 second timeout unless on ruby 1.9 + @timeout = + if RUBY_VERSION < '1.9' + spec.config[:wait_timeout] || 5 + end + # default max pool size to 5 @size = (spec.config[:pool] && spec.config[:pool].to_i) || 5 + @connections = [] @checked_out = [] end @@ -187,7 +195,7 @@ module ActiveRecord # try looting dead threads clear_stale_cached_connections! if @size == @checked_out.size - raise ConnectionTimeoutError, "could not obtain a database connection within #{@timeout} seconds. The pool size is currently #{@size}, perhaps you need to increase it?" + raise ConnectionTimeoutError, "could not obtain a database connection#{" within #{@timeout} seconds" if @timeout}. The max pool size is currently #{@size}; consider increasing it." end end end @@ -292,10 +300,7 @@ module ActiveRecord # and also returns connections to the pool cached by threads that are no # longer alive. def clear_active_connections! - @connection_pools.each_value do |pool| - pool.release_connection - pool.clear_stale_cached_connections! - end + @connection_pools.each_value {|pool| pool.release_connection } end # Clears the cache which maps classes @@ -324,7 +329,8 @@ module ActiveRecord # Returns true if a connection that's accessible to this class has # already been opened. def connected?(klass) - retrieve_connection_pool(klass).connected? + conn = retrieve_connection_pool(klass) + conn ? conn.connected? : false end # Remove the connection for this class. This will close the active |