1 files changed, 6 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index a0e2900120..c3aba63e1c 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -269,6 +269,12 @@ module ActiveRecord
       #  remove_column(:suppliers, :qualification)
       #  remove_columns(:suppliers, :qualification, :experience)
       def remove_column(table_name, *column_names)
+        if column_names.first.kind_of?(Enumerable)
+          message = 'Passing array to remove_columns is deprecated, please use ' +
+                    'multiple arguments, like: `remove_columns(:posts, :foo, :bar)`'
+          ActiveSupport::Deprecation.warn message, caller
+        end
+
         columns_for_remove(table_name, *column_names).each {|column_name| execute "ALTER TABLE #{quote_table_name(table_name)} DROP #{column_name}" }
       end
       alias :remove_columns :remove_column