diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index fc172fee00d32..d02466ffa3ab1 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -691,6 +691,8 @@ def table_structure_with_collation(table_name, basic_structure)
             end
 
             basic_structure.map do |column|
+              column = column.to_hash
+
               column_name = column["name"]
 
               if collation_hash.has_key? column_name
diff --git a/activerecord/lib/active_record/result.rb b/activerecord/lib/active_record/result.rb
index 617c53797ecd3..1d2ee445d2cc6 100644
--- a/activerecord/lib/active_record/result.rb
+++ b/activerecord/lib/active_record/result.rb
@@ -36,6 +36,53 @@ module ActiveRecord
   class Result
     include Enumerable
 
+    class IndexedRow
+      def initialize(column_indexes, row)
+        @column_indexes = column_indexes
+        @row = row
+      end
+
+      def each_key(&block)
+        @column_indexes.each_key(&block)
+      end
+
+      def keys
+        @column_indexes.keys
+      end
+
+      def ==(other)
+        if other.is_a?(Hash)
+          to_hash == other
+        else
+          super
+        end
+      end
+
+      def key?(column)
+        @column_indexes.key?(column)
+      end
+
+      def fetch(column)
+        if index = @column_indexes[column]
+          @row[index]
+        elsif block_given?
+          yield
+        else
+          raise KeyError, "key not found: #{column.inspect}"
+        end
+      end
+
+      def [](column)
+        if index = @column_indexes[column]
+          @row[index]
+        end
+      end
+
+      def to_hash
+        @column_indexes.transform_values { |index| @row[index] }
+      end
+    end
+
     attr_reader :columns, :rows, :column_types
 
     def self.empty(async: false) # :nodoc:
@@ -170,8 +217,9 @@ def column_type(name, index, type_overrides)
       def hash_rows
         # We use transform_values to rows.
         # This is faster because we avoid any reallocs and avoid hashing entirely.
-        @hash_rows ||= @rows.map do |row|
-          column_indexes.transform_values { |index| row[index] }
+        @hash_rows ||= begin
+          columns = column_indexes
+          @rows.map { |row| IndexedRow.new(columns, row) }
         end
       end