AlterQuery  t_delete_empty_part_rmt (children 2)
 ExpressionList (children 1)
  AlterCommand DELETE (children 1)
   Function or (children 1)
    ExpressionList (children 2)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier a
       Literal UInt64_2
     Function less (children 1)
      ExpressionList (children 2)
       Identifier b
       Literal UInt64_500
 Identifier t_delete_empty_part_rmt
