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annotate PostgreSQL/Plugins/PostgreSQLStorageArea.cpp @ 152:063aa53b5917

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 01 Jul 2020 08:54:32 +0200
parents 4cd7e45b671e
children 275e14f57f1e
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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22 #include "PostgreSQLStorageArea.h"
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23 #include "PostgreSQLDefinitions.h"
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25 #include "../../Framework/PostgreSQL/PostgreSQLTransaction.h"
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26 #include "../../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h"
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27
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28 #include <Logging.h>
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31 namespace OrthancDatabases
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32 {
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33 IDatabase* PostgreSQLStorageArea::OpenInternal()
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34 {
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35 std::auto_ptr<PostgreSQLDatabase> db(new PostgreSQLDatabase(parameters_));
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37 db->Open();
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39 if (parameters_.HasLock())
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40 {
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41 db->AdvisoryLock(POSTGRESQL_LOCK_STORAGE);
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42 }
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44 {
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45 PostgreSQLDatabase::TransientAdvisoryLock lock(*db, POSTGRESQL_LOCK_DATABASE_SETUP);
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47 if (clearAll_)
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48 {
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49 db->ClearAll();
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50 }
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52 {
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53 PostgreSQLTransaction t(*db);
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55 if (!db->DoesTableExist("StorageArea"))
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56 {
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57 db->Execute("CREATE TABLE IF NOT EXISTS StorageArea("
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58 "uuid VARCHAR NOT NULL PRIMARY KEY,"
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59 "content OID NOT NULL,"
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60 "type INTEGER NOT NULL)");
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62 // Automatically remove the large objects associated with the table
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63 db->Execute("CREATE OR REPLACE RULE StorageAreaDelete AS ON DELETE "
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64 "TO StorageArea DO SELECT lo_unlink(old.content);");
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65 }
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67 t.Commit();
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68 }
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69 }
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71 return db.release();
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72 }
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75 PostgreSQLStorageArea::PostgreSQLStorageArea(const PostgreSQLParameters& parameters) :
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76 StorageBackend(new Factory(*this)),
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77 parameters_(parameters),
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78 clearAll_(false)
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79 {
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80 }
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81 }