AlterQuery  nested_table (children 2)
 ExpressionList (children 1)
  AlterCommand ADD_COLUMN (children 2)
   ColumnDeclaration second (children 1)
    DataType Nested (children 1)
     ExpressionList (children 2)
      NameTypePair c (children 1)
       DataType Int8
      NameTypePair d (children 1)
       DataType String
   Identifier id
 Identifier nested_table
