====== pears.GetQuestSingleSelection ======
Generated schema reference. Regenerate this page from the SQL unload; keep hand-maintained business notes in the narrative namespace.
===== Original SQL =====
create function "pears"."GetQuestSingleSelection"(
/* Application Maintained Function / Procedure - DO NOT EDIT*/
in "stagloc" char(3),in "stagid" char(3),in "sparentid" char(20) )
returns char(4)
begin
declare "rv" char(4);
set "rv" = null;
select "max"("tagchoiceid") into "rv" from "tagvalue" where "taglocation" = "stagloc" and "id" = "sparentid" and "tagid" = "stagid";
if "rv" is null then
set "rv" = '_'
end if;
return("rv")
end