1 files changed, 2 insertions, 10 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
index e10b562fa4..73ca2c8e61 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
@@ -18,9 +18,9 @@ module ActiveRecord
         #   create_database config[:database], config
         #   create_database 'foo_development', encoding: 'unicode'
         def create_database(name, options = {})
-          options = options.reverse_merge(:encoding => "utf8")
+          options = { encoding: 'utf8' }.merge!(options.symbolize_keys)
 
-          option_string = options.symbolize_keys.sum do |key, value|
+          option_string = options.sum do |key, value|
             case key
             when :owner
               " OWNER = \"#{value}\""
@@ -417,14 +417,6 @@ module ActiveRecord
               when 0..6; "timestamp(#{precision})"
               else raise(ActiveRecordError, "No timestamp type has precision of #{precision}. The allowed range of precision is from 0 to 6")
             end
-          when 'intrange'
-            return 'int4range' unless limit
-
-            case limit
-              when 1..4; 'int4range'
-              when 5..8; 'int8range'
-              else raise(ActiveRecordError, "No range type has byte size #{limit}. Use a numeric with precision 0 instead.")
-            end
           else
             super
           end