" __i2id (cast (^{tree}^ as varchar))" . " cast (^{tree}^ as varchar)" . " cast (^{alias-dot}^^{column}^ as varchar)" . " (case (length (^{tree}^)) when 0 then 0 else 1 end)" . . " sparql_ebv_of_sqlval (case (length (^{tree}^)) when 0 then 0 else 1 end)" . "sql-longvarchar-dt" . "0"^^ . . "1"^^ . "0"^^ . " cast (^{tree}^ as varchar)" . .