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|
-- ==============================================================
-- GNUmed database schema change script
--
-- Source database version: v5
-- Target database version: v6
--
-- License: GPL v2 or later
-- Author: Karsten Hilbert
--
-- ==============================================================
-- $Id: blobs-doc_obj.sql,v 1.2 2007-05-07 16:33:06 ncq Exp $
-- $Revision: 1.2 $
-- --------------------------------------------------------------
\set ON_ERROR_STOP 1
-- --------------------------------------------------------------
-- seq_idx
\unset ON_ERROR_STOP
drop function blobs.trf_verify_page_number() cascade;
\set ON_ERROR_STOP 1
create function blobs.trf_verify_page_number()
returns trigger
language plpgsql
as '
declare
msg text;
begin
if NEW.seq_idx is NULL then
return NEW;
end if;
perform 1 from blobs.doc_obj where pk <> NEW.pk and fk_doc = NEW.fk_doc and seq_idx = NEW.seq_idx;
if FOUND then
msg := ''[blobs.trf_verify_page_number]: uniqueness violation: seq_idx ['' || NEW.seq_idx || ''] already exists for fk_doc ['' || NEW.fk_doc || '']'';
raise exception ''%'', msg;
end if;
return NEW;
end;';
create trigger tr_verify_page_number
before insert or update on blobs.doc_obj
for each row execute procedure blobs.trf_verify_page_number()
;
-- file name
update blobs.doc_obj
set filename = NULL
where
filename is not NULL and
trim(filename) = '';
\unset ON_ERROR_STOP
alter table blobs.doc_obj drop constraint "doc_obj_filename_check";
\set ON_ERROR_STOP 1
alter table blobs.doc_obj
add check (trim(coalesce(filename, 'NULL')) <> '');
-- --------------------------------------------------------------
select gm.log_script_insertion('$RCSfile: blobs-doc_obj.sql,v $', '$Revision: 1.2 $');
-- ==============================================================
-- $Log: blobs-doc_obj.sql,v $
-- Revision 1.2 2007-05-07 16:33:06 ncq
-- - log_script_insertion() now in gm.
--
-- Revision 1.1 2007/04/21 19:36:55 ncq
-- - tighten constraints
--
--
|
