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|
-- ==============================================================
-- GNUmed database schema change script
--
-- Source database version: v4
-- Target database version: v5
--
-- License: GPL v2 or later
-- Author: Karsten Hilbert
--
-- ==============================================================
-- $Id: clin-allergy.sql,v 1.3 2007-03-26 16:51:13 ncq Exp $
-- $Revision: 1.3 $
-- --------------------------------------------------------------
\set ON_ERROR_STOP 1
-- --------------------------------------------------------------
-- remember to handle dependant objects possibly dropped by CASCADE
\unset ON_ERROR_STOP
drop function clin.trf_sync_allergic_state_on_allergies_modified() cascade;
\set ON_ERROR_STOP 1
create function clin.trf_sync_allergic_state_on_allergies_modified()
returns trigger
language 'plpgsql'
as '
DECLARE
_fk_patient integer;
_state integer;
_no_of_allergies integer;
BEGIN
if TG_OP = ''INSERT'' then
select into _fk_patient fk_patient from clin.encounter where pk = NEW.fk_encounter;
_state := 1;
end if;
if TG_OP = ''DELETE'' then
-- only run this trigger if deleting last allergy
select into _fk_patient fk_patient from clin.encounter where pk = OLD.fk_encounter;
select into _no_of_allergies count(1) from clin.v_pat_allergies where pk_patient = _fk_patient;
if _no_of_allergies > 1 then
return OLD; -- still allergies left
end if;
_state := NULL;
end if;
update clin.allergy_state
set has_allergy = _state
where fk_patient = _fk_patient;
if not FOUND then
insert into clin.allergy_state
(fk_patient, has_allergy)
values
(_fk_patient, _state);
end if;
return NEW;
END;';
comment on function clin.trf_sync_allergic_state_on_allergies_modified() is
'trigger function to sync the allergy state on insert/delete';
create trigger tr_sync_allergic_state_on_allergies_modified
after insert or delete on clin.allergy
for each row execute procedure clin.trf_sync_allergic_state_on_allergies_modified()
;
-- --------------------------------------------------------------
-- don't forget appropriate grants
--grant select on forgot_to_edit_grants to group "gm-doctors";
-- --------------------------------------------------------------
select public.log_script_insertion('$RCSfile: clin-allergy.sql,v $', '$Revision: 1.3 $');
-- ==============================================================
-- $Log: clin-allergy.sql,v $
-- Revision 1.3 2007-03-26 16:51:13 ncq
-- - static stuff needs to go into static section
--
-- Revision 1.2 2007/03/21 08:14:55 ncq
-- - rename columns
--
-- Revision 1.1 2007/03/18 13:37:47 ncq
-- - add trigger to sync allergic state to allergy content
--
--
|
