AlterQuery  nested_table (children 2)
 ExpressionList (children 1)
  AlterCommand ADD_COLUMN (children 1)
   ColumnDeclaration fourth (children 1)
    DataType Nested (children 1)
     ExpressionList (children 2)
      NameTypePair g (children 1)
       DataType Int8
      NameTypePair h (children 1)
       DataType String
 Identifier nested_table
