====== pears.SetPersonWillingness ======
<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>
COMMENT TO PRESERVE FORMAT ON PROCEDURE "pears"."SetPersonWillingness" IS 
{create function SetPersonWillingness 

/* Application Maintained Function / Procedure - DO NOT EDIT*/

( in @PersonID char(20),in @Willingness smallint default null ) 
returns smallint
begin
  -- return codes: 0 = success, 1 = no such PersonID, 2 = no Willingness record for PersonID, 3 = other error
  -- call with only PersonID to remove existing Willingness Record
  begin try
    if @Willingness is not null then
      insert into "pears"."PersonWillingness"( "PersonID","Willingness" ) on existing update defaults off values
        ( @PersonID,@Willingness ) 
    else
      delete from "pears"."PersonWillingness" where "PersonID" = @PersonID
    end if;
    if
      @@rowcount = 1 then return(0)
    elseif @Willingness is null
    and not exists(select "PersonID" from "PersonWillingness" where "PersonID" = @PersonID)
    and exists(select "PersonID" from "Person" where "PersonID" = @PersonID) then
      return(2)
    elseif @Willingness is null
    and not exists(select "PersonID" from "Person" where "PersonID" = @PersonID) then
      return(1)
    else return(3)
    end if
  end try
  begin catch
    if not exists(select "PersonID" from "Person" where "PersonID" = @PersonID) then return(1)
    else return(3) end if
  end catch
end
}
</code>