AlterQuery  t_ttl_modify_column (children 2)
 ExpressionList (children 1)
  AlterCommand MODIFY_COLUMN (children 1)
   ColumnDeclaration TTLDays (children 2)
    DataType Int16
    Function CAST (children 1)
     ExpressionList (children 2)
      Literal UInt64_365
      Literal \'Int16\'
 Identifier t_ttl_modify_column
