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-rw-r--r--activerecord/CHANGELOG2
-rwxr-xr-xactiverecord/lib/active_record/base.rb8
2 files changed, 6 insertions, 4 deletions
diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG
index e24268ccb9..06f621e967 100644
--- a/activerecord/CHANGELOG
+++ b/activerecord/CHANGELOG
@@ -1,5 +1,7 @@
*SVN*
+* CHANGED DEFAULT: set ActiveRecord::Base.allow_concurrency to false. Most AR usage is in single-threaded applications. [Jeremy Kemper]
+
* Renamed the "oci" adapter to "oracle", but kept the old name as an alias #4017 [schoenm@earthlink.net]
* Fixed that Base.save should always return false if the save didn't succeed, including if it has halted by before_save's #1861, #2477 [DHH]
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 1fd247e47b..9edd03e80c 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -306,12 +306,12 @@ module ActiveRecord #:nodoc:
# This is set to :local by default.
cattr_accessor :default_timezone
@@default_timezone = :local
-
+
# Determines whether or not to use a connection for each thread, or a single shared connection for all threads.
- # Defaults to true; Railties' WEBrick server sets this to false.
+ # Defaults to false. Set to true if you're writing a threaded application.
cattr_accessor :allow_concurrency
- @@allow_concurrency = true
-
+ @@allow_concurrency = false
+
# Determines whether to speed up access by generating optimized reader
# methods to avoid expensive calls to method_missing when accessing
# attributes by name. You might want to set this to false in development