AlterQuery  nested_table (children 2)
 ExpressionList (children 1)
  AlterCommand ADD_COLUMN (children 1)
   ColumnDeclaration third (children 1)
    DataType Nested (children 1)
     ExpressionList (children 2)
      NameTypePair e (children 1)
       DataType Int8
      NameTypePair f (children 1)
       DataType String
 Identifier nested_table
