SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 3)
    Identifier table
    Function round (children 1)
     ExpressionList (children 2)
      Identifier primary_key_bytes_in_memory
      Literal Int64_-6
    Function round (children 1)
     ExpressionList (children 2)
      Identifier primary_key_bytes_in_memory_allocated
      Literal Int64_-6
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.parts
   Function and (children 1)
    ExpressionList (children 2)
     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_(\'test\', \'test2\')
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier table
