-- Orthanc - A Lightweight, RESTful DICOM Store
-- Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
-- Department, University Hospital of Liege, Belgium
-- Copyright (C) 2017-2023 Osimis S.A., Belgium
-- Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
--
-- This program is free software: you can redistribute it and/or
-- modify it under the terms of the GNU General Public License as
-- published by the Free Software Foundation, either version 3 of the
-- License, or (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful, but
-- WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-- General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.


CREATE TABLE Labels(
       internalId INTEGER REFERENCES Resources(internalId) ON DELETE CASCADE,
       label TEXT NOT NULL,
       PRIMARY KEY(internalId, label)  -- Prevents duplicates
       );

CREATE INDEX LabelsIndex1 ON Labels(internalId);
CREATE INDEX LabelsIndex2 ON Labels(label);  -- This index allows efficient lookups