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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb
index fbdbea499b..1a76050872 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb
@@ -11,7 +11,7 @@ module ActiveRecord
# Check for activity after at least +verification_timeout+ seconds.
# Defaults to 0 (always check.)
- cattr_accessor :verification_timeout
+ cattr_accessor :verification_timeout, :instance_writer => false
@@verification_timeout = 0
# The class -> [adapter_method, config] map