AlterQuery  table_with_defaults_on_aliases (children 2)
 ExpressionList (children 1)
  AlterCommand ADD_COLUMN (children 1)
   ColumnDeclaration col6 (children 2)
    DataType UInt64
    Function multiply (children 1)
     ExpressionList (children 2)
      Identifier col2
      Identifier col4
 Identifier table_with_defaults_on_aliases