SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 5)
    Identifier event_type
    Identifier table
    Identifier part_name
    Function greater (children 1)
     ExpressionList (children 2)
      Identifier bytes_uncompressed
      Literal UInt64_0
    Function if (children 1)
     ExpressionList (children 3)
      Function greater (children 1)
       ExpressionList (children 2)
        Identifier bytes_uncompressed
        Literal UInt64_0
      Function if (children 1)
       ExpressionList (children 3)
        Function less (children 1)
         ExpressionList (children 2)
          Identifier size_in_bytes
          Identifier bytes_uncompressed
        Literal \'1\'
        Function toString (children 1)
         ExpressionList (children 1)
          Function tuple (children 1)
           ExpressionList (children 2)
            Identifier size_in_bytes
            Identifier bytes_uncompressed
      Literal \'0\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.part_log
   Function and (children 1)
    ExpressionList (children 4)
     Function greaterOrEquals (children 1)
      ExpressionList (children 2)
       Identifier event_date
       Function yesterday (children 1)
        ExpressionList
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier database
       Function currentDatabase (children 1)
        ExpressionList
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier table
       Literal \'part_log_bytes_uncompressed\'
     Function or (children 1)
      ExpressionList (children 2)
       Function notEquals (children 1)
        ExpressionList (children 2)
         Identifier event_type
         Literal \'RemovePart\'
       Function equals (children 1)
        ExpressionList (children 2)
         Identifier part_name
         Literal \'all_4_4_0\'
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier part_name
    OrderByElement (children 1)
     Identifier event_type
