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-- ==============================================================
-- GNUmed database schema change script
--
-- License: GPL v2 or later
-- Author: karsten.hilbert@gmx.net
--
-- ==============================================================
\set ON_ERROR_STOP 1
-- --------------------------------------------------------------
comment on table clin.lnk_code2episode is
'Links codes to episodes.';
select gm.register_notifying_table('clin', 'lnk_code2episode', 'episode_code');
select audit.register_table_for_auditing('clin', 'lnk_code2episode');
grant select on clin.lnk_code2episode to group "gm-public";
grant insert, update, delete on clin.lnk_code2episode to group "gm-doctors";
grant usage on clin.lnk_code2episode_pk_seq to group "gm-doctors";
\unset ON_ERROR_STOP
alter table clin.lnk_code2episode drop constraint clin_lc2epi_code_uniq_per_item cascade;
\set ON_ERROR_STOP 1
alter table clin.lnk_code2episode
add constraint clin_lc2epi_code_uniq_per_item
unique(fk_generic_code, fk_item);
-- --------------------------------------------------------------
-- .fk_item
comment on column clin.lnk_code2episode.fk_item is
'Foreign key to clin.episode';
\unset ON_ERROR_STOP
alter table clin.lnk_code2episode drop constraint lnk_code2episode_fk_item_fkey cascade;
\set ON_ERROR_STOP 1
alter table clin.lnk_code2episode
add foreign key (fk_item)
references clin.episode(pk)
on update cascade -- update if episode is updated
on delete cascade; -- delete if episode is deleted
\unset ON_ERROR_STOP
drop index idx_c_lc2epi_fk_item cascade;
\set ON_ERROR_STOP 1
create index idx_c_lc2epi_fk_item on clin.lnk_code2episode(fk_item);
-- --------------------------------------------------------------
-- .fk_generic_code
comment on column clin.lnk_code2episode.fk_generic_code is
'Custom foreign key to ref.coding_system_root.';
alter table clin.lnk_code2episode
alter column fk_generic_code
set not null;
-- INSERT
create trigger tr_ins_lc2sth_fk_generic_code
before insert on clin.lnk_code2episode
for each row execute procedure clin.trf_ins_lc2sth_fk_generic_code();
-- UPDATE
create trigger tr_upd_lc2sth_fk_generic_code
before update on clin.lnk_code2episode
for each row execute procedure clin.trf_upd_lc2sth_fk_generic_code();
-- --------------------------------------------------------------
select gm.log_script_insertion('v16-clin-lnk_code2episode-dynamic.sql', '1.0');
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