SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 4)
    Identifier table
    Identifier partition_id
    Identifier name
    Identifier rows
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.parts
   Function and (children 1)
    ExpressionList (children 3)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier database
       Function currentDatabase (children 1)
        ExpressionList
     Function in (children 1)
      ExpressionList (children 2)
       Identifier table
       Literal Tuple_(\'mt\', \'rmt\')
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier active
       Literal UInt64_1
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier table
    OrderByElement (children 1)
     Identifier name
