1 files changed, 11 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/schema_cache.rb b/activerecord/lib/active_record/connection_adapters/schema_cache.rb
index c75dbfc082..5839d1d3b4 100644
--- a/activerecord/lib/active_record/connection_adapters/schema_cache.rb
+++ b/activerecord/lib/active_record/connection_adapters/schema_cache.rb
@@ -1,7 +1,7 @@
 module ActiveRecord
   module ConnectionAdapters
     class SchemaCache
-      attr_reader :columns_hash, :primary_keys, :tables, :version
+      attr_reader :primary_keys, :tables, :version
       attr_accessor :connection
 
       def initialize(conn)
@@ -39,6 +39,16 @@ module ActiveRecord
         end
       end
 
+      # Get the columns for a table as a hash, key is the column name
+      # value is the column object.
+      def columns_hash(table = nil)
+        if table
+          @columns_hash[table]
+        else
+          @columns_hash
+        end
+      end
+
       # Clears out internal caches
       def clear!
         @columns.clear