SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier _part
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier override_test__fuzz_45
   ExpressionList (children 2)
    Function materialize (children 1)
     ExpressionList (children 1)
      Literal UInt64_6
    Literal UInt64_1
