1 files changed, 15 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/decimal.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/decimal.rb
new file mode 100644
index 0000000000..e7d33855c4
--- /dev/null
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/decimal.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module ActiveRecord
+  module ConnectionAdapters
+    module PostgreSQL
+      module OID # :nodoc:
+        class Decimal < Type::Decimal # :nodoc:
+          def infinity(options = {})
+            BigDecimal("Infinity") * (options[:negative] ? -1 : 1)
+          end
+        end
+      end
+    end
+  end
+end