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annotate Framework/PostgreSQL/PostgreSQLResult.h @ 359:16aac0287485

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copyright upgraded to 2022
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 21 Feb 2022 09:32:46 +0100
parents 483af3f35a4b
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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) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Affero General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Affero General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Affero General Public License
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19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 **/
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22
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23 #pragma once
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25 #if ORTHANC_ENABLE_POSTGRESQL != 1
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26 # error PostgreSQL support must be enabled to use this file
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27 #endif
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29 #include "PostgreSQLStatement.h"
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31 namespace OrthancDatabases
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32 {
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33 class PostgreSQLResult : public boost::noncopyable
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34 {
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35 private:
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36 class LargeObjectResult;
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37
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38 void *result_; /* Object of type "PGresult*" */
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39 int position_;
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40 PostgreSQLDatabase& database_;
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41 unsigned int columnsCount_;
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42
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43 void Clear();
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44
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45 void CheckDone();
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47 void CheckColumn(unsigned int column, /*Oid*/ unsigned int expectedType) const;
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49 public:
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50 explicit PostgreSQLResult(PostgreSQLStatement& statement);
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51
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52 ~PostgreSQLResult();
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54 void Next();
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55
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56 bool IsDone() const
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57 {
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58 return result_ == NULL;
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59 }
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61 unsigned int GetColumnsCount() const
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62 {
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63 return columnsCount_;
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64 }
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65
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66 bool IsNull(unsigned int column) const;
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68 bool GetBoolean(unsigned int column) const;
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70 int GetInteger(unsigned int column) const;
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72 int64_t GetInteger64(unsigned int column) const;
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74 std::string GetString(unsigned int column) const;
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76 std::string GetLargeObjectOid(unsigned int column) const;
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78 void GetLargeObjectContent(std::string& content,
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79 unsigned int column) const;
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81 IValue* GetValue(unsigned int column) const;
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82 };
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83 }