addColumn('id', 'integer'); $table->addColumn('todrop', 'decimal', array('default' => 10.2)); $this->_sm->createTable($table); $diff = new TableDiff('sqlsrv_drop_column', array(), array(), array( new Column('todrop', Type::getType('decimal')) )); $this->_sm->alterTable($diff); $columns = $this->_sm->listTableColumns('sqlsrv_drop_column'); $this->assertEquals(1, count($columns)); } }