====== pears.GetPersonAvailPercentage ======
<WRAP center round info>
Generated schema reference. Regenerate this page from the SQL unload; keep hand-maintained business notes in the narrative namespace.
</WRAP>

===== Original SQL =====
<code sql>
create function "pears"."GetPersonAvailPercentage"( 
  /* Application Maintained Function / Procedure - DO NOT EDIT*/
  in "sid" char(20),in "frdate" date,in "todate" date ) 
returns double
begin
  declare "rv" double;
  declare "bonly" smallint;
  declare "cavail" char(1);
  declare "ndays" double;
  declare "navail" double;
  set "rv" = 0;
  if "frdate" is null then
    return null
  end if;
  if "todate" is null then
    set "todate" = "dateadd"("day",30,"frdate")
  end if;
  if "frdate" > "todate" then
    return 100
  end if;
  set "ndays" = 0;
  set "navail" = 0;
  select first "onlymatchifknownavailable" into "bonly" from "person" where "personid" = "sid";
  set "bonly" = "isnull"("bonly",0);
  while "frdate" <= "todate" loop
    set "ndays" = "ndays"+1;
    select first "getpersonavailstate"("sid","frdate") into "cavail";
    if "cavail" = 'A' or("cavail" is null and "bonly" = 0) then
      set "navail" = "navail"+1
    end if;
    set "frdate" = "dateadd"("day",1,"frdate")
  end loop;
  return("navail"/"ndays")*100
end
</code>