1 files changed, 18 insertions, 29 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb b/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb
index 20de8d1982..1b74c039ce 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb
@@ -1,7 +1,7 @@
 module ActiveRecord
   module ConnectionAdapters
-    class PostgreSQLColumn < Column
-      module ArrayParser
+    module PostgreSQL
+      module ArrayParser # :nodoc:
 
         DOUBLE_QUOTE = '"'
         BACKSLASH = "\\"
@@ -9,35 +9,23 @@ module ActiveRecord
         BRACKET_OPEN = '{'
         BRACKET_CLOSE = '}'
 
-        private
-          # Loads pg_array_parser if available. String parsing can be
-          # performed quicker by a native extension, which will not create
-          # a large amount of Ruby objects that will need to be garbage
-          # collected. pg_array_parser has a C and Java extension
-          begin
-            require 'pg_array_parser'
-            include PgArrayParser
-          rescue LoadError
-            def parse_pg_array(string)
-              parse_data(string)
+        def parse_pg_array(string) # :nodoc:
+          local_index = 0
+          array = []
+          while(local_index < string.length)
+            case string[local_index]
+            when BRACKET_OPEN
+              local_index,array = parse_array_contents(array, string, local_index + 1)
+            when BRACKET_CLOSE
+              return array
             end
+            local_index += 1
           end
 
-          def parse_data(string)
-            local_index = 0
-            array = []
-            while(local_index < string.length)
-              case string[local_index]
-              when BRACKET_OPEN
-                local_index,array = parse_array_contents(array, string, local_index + 1)
-              when BRACKET_CLOSE
-                return array
-              end
-              local_index += 1
-            end
+          array
+        end
 
-            array
-          end
+        private
 
           def parse_array_contents(array, string, index)
             is_escaping  = false
@@ -91,8 +79,9 @@ module ActiveRecord
           end
 
           def add_item_to_array(array, current_item, quoted)
-            if current_item.length == 0
-            elsif !quoted && current_item == 'NULL'
+            return if !quoted && current_item.length == 0
+
+            if !quoted && current_item == 'NULL'
               array.push nil
             else
               array.push current_item