fix update_columns in embedded scaffolds
fix update_columns in embedded scaffolds

mallikarjunayaddala/active_scaffold,budree/active_scaffold,activescaffold/active_scaffold,activescaffold/active_scaffold,budree/active_scaffold,budree/active_scaffold,AlbertoBarrago/active_scaffold,mallikarjunayaddala/active_scaffold,AlbertoBarrago/active_scaffold,mallikarjunayaddala/active_scaffold,activescaffold/active_scaffold,AlbertoBarrago/active_scaffold