1 files changed, 3 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
index 9d6111b51e..fd5eaab9c9 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
@@ -47,6 +47,9 @@ module ActiveRecord
             value.to_s
           when Date, DateTime, Time
             "'#{value.to_s(:db)}'"
+          when Range
+            # infinity dumps as Infinity, which causes uninitialized constant error
+            value.inspect.gsub('Infinity', '::Float::INFINITY')
           else
             value.inspect
           end