====== pears.psHealthShowButton ======
<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"."psHealthShowButton"( 
  /* Application Maintained Function / Procedure - DO NOT EDIT*/
  in "SourceID" char(20),in "IDType" char(2) ) 
returns integer
begin
  if "sourceid" is null then
    return 0
  end if;
  /* IDType R = recipient, S = temp shift, P = temp shift plan C = carer, V = vacancy */
  if not exists(select * from "wpkglobalswitchsetting" where "wpkglobalswitchid" = 'PSHealth' and "value" = 'Y') then
    return 0
  end if;
  /* in case some silly person turns switch on without tables installed (check person only) */
  if not exists(select * from "sys"."systable" where "table_name" = 'PSHealthPerson') then
    return 0
  end if;
  case "IDType"
  when 'R' then if exists(select * from "pshealthperson" where "personid" = "sourceid" and "recipientflag" = 'R') then return 1
    end if when 'C' then if exists(select * from "pshealthperson" where "personid" = "sourceid" and "recipientflag" = 'C') then return 1
    end if when 'V' then if exists(select * from "pshealthvacancy" where "vacancyid" = "sourceid") then return 1
    end if when 'S' then if exists(select * from "pshealthshift" where "tempshiftid" = "sourceid") then return 1
    end if when 'P' then if exists(select * from "pshealthshift" where "tempshiftplanid" = "sourceid") then return 1
    end if
  end case;
  return 0
end
</code>