SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 5)
    Identifier table
    Identifier type
    Identifier new_part_name
    Function greater (alias has_postpones) (children 1)
     ExpressionList (children 2)
      Identifier num_postponed
      Literal UInt64_0
    Identifier postpone_reason
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.replication_queue
   Function and (children 1)
    ExpressionList (children 2)
     Function like (children 1)
      ExpressionList (children 2)
       Identifier table
       Literal \'execute\\\\_on\\\\_single\\\\_replica\\\\_r%\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier database
       Function currentDatabase (children 1)
        ExpressionList
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier table
 Identifier Vertical
