SelectWithUnionQuery (children 3)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    Identifier a
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_max_rows_to_read
   Function greater (children 1)
    ExpressionList (children 2)
     Identifier a
     Literal UInt64_10
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier a
   Literal UInt64_5
 Identifier Null
 Set
