Deprecate verification_timeout and verify before reset

Signed-off-by: NMichael Koziarski <michael@koziarski.com>

activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb

@@ -35,7 +35,6 @@ module ConnectionAdapters
     # * +wait_timeout+: number of seconds to block and wait for a connection
     #   before giving up and raising a timeout error (default 5 seconds).
     class ConnectionPool
-      delegate :verification_timeout, :to => "::ActiveRecord::Base"
       attr_reader :spec
 
       def initialize(spec)
@@ -60,7 +59,6 @@ def initialize(spec)
       # held in a hash keyed by the thread id.
       def connection
         if conn = @reserved_connections[current_connection_id]
-          conn.verify!(verification_timeout)
           conn
         else
           @reserved_connections[current_connection_id] = checkout
@@ -118,7 +116,7 @@ def clear_reloadable_connections!
       def verify_active_connections! #:nodoc:
         clear_stale_cached_connections!
         @connections.each do |connection|
-          connection.verify!(verification_timeout)
+          connection.verify!
         end
       end
 
@@ -200,8 +198,8 @@ def checkout_existing_connection
       end
 
       def checkout_and_verify(c)
+        c.verify!
         c.run_callbacks :checkout
-        c.verify!(verification_timeout)
         @checked_out << c
         c
       end

activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb

@@ -7,11 +7,6 @@ def initialize (config, adapter_method)
       end
     end
 
-    # Check for activity after at least +verification_timeout+ seconds.
-    # Defaults to 0 (always check.)
-    cattr_accessor :verification_timeout, :instance_writer => false
-    @@verification_timeout = 0
-
     # The connection handler
     cattr_accessor :connection_handler, :instance_writer => false
     @@connection_handler = ConnectionAdapters::ConnectionHandler.new
@@ -101,6 +96,16 @@ def allow_concurrency=(flag)
         ActiveSupport::Deprecation.warn("ActiveRecord::Base.allow_concurrency= has been deprecated and no longer has any effect. Please remove all references to allow_concurrency=.")
       end
 
+      # Deprecated and no longer has any effect.
+      def verification_timeout
+        ActiveSupport::Deprecation.warn("ActiveRecord::Base.verification_timeout has been deprecated and no longer has any effect. Please remove all references to verification_timeout.")
+      end
+
+      # Deprecated and no longer has any effect.
+      def verification_timeout=(flag)
+        ActiveSupport::Deprecation.warn("ActiveRecord::Base.verification_timeout= has been deprecated and no longer has any effect. Please remove all references to verification_timeout=.")
+      end
+
       # Returns the connection currently associated with the class. This can
       # also be used to "borrow" the connection to do database work unrelated
       # to any of the specific Active Records.

activerecord/lib/active_record/connection_adapters/abstract_adapter.rb

@@ -123,14 +123,10 @@ def requires_reloading?
         false
       end
 
-      # Lazily verify this connection, calling <tt>active?</tt> only if it
-      # hasn't been called for +timeout+ seconds.
-      def verify!(timeout)
-        now = Time.now.to_i
-        if (now - @last_verification) > timeout
-          reconnect! unless active?
-          @last_verification = now
-        end
+      # Verify this connection by calling <tt>active?</tt> and reconnecting if
+      # the connection is no longer active.
+      def verify!(*ignored)
+        reconnect! unless active?
       end
 
       # Provides access to the underlying database connection. Useful for

activerecord/test/cases/base_test.rb

@@ -880,7 +880,7 @@ def test_mass_assignment_protection
 
   def test_mass_assignment_protection_against_class_attribute_writers
     [:logger, :configurations, :primary_key_prefix_type, :table_name_prefix, :table_name_suffix, :pluralize_table_names, :colorize_logging,
-      :default_timezone, :schema_format, :verification_timeout, :lock_optimistically, :record_timestamps].each do |method|
+      :default_timezone, :schema_format, :lock_optimistically, :record_timestamps].each do |method|
       assert  Task.respond_to?(method)
       assert  Task.respond_to?("#{method}=")
       assert  Task.new.respond_to?(method)

activerecord/test/cases/connection_test_mysql.rb

@@ -24,7 +24,7 @@ def test_successful_reconnection_after_timeout_with_verify
     assert @connection.active?
     @connection.update('set @@wait_timeout=1')
     sleep 2
-    @connection.verify!(0)
+    @connection.verify!
     assert @connection.active?
   end
 end