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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) 2017-2018 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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20
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21
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22 #pragma once
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23
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24 #if ORTHANC_ENABLE_MYSQL != 1
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25 # error MySQL support must be enabled to use this file
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26 #endif
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27
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28 #include "MySQLDatabase.h"
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29 #include "MySQLTransaction.h"
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30 #include "../Common/GenericFormatter.h"
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31
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32 namespace OrthancDatabases
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33 {
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34 class MySQLStatement : public IPrecompiledStatement
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35 {
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36 private:
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37 class ResultField;
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38 class ResultMetadata;
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39
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40 void Close();
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41
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42 MySQLDatabase& db_;
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43 bool readOnly_;
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44 MYSQL_STMT *statement_;
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45 GenericFormatter formatter_;
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46 std::vector<ResultField*> result_;
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47 std::vector<MYSQL_BIND> outputs_;
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48
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49 public:
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50 MySQLStatement(MySQLDatabase& db,
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51 const Query& query);
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52
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53 virtual ~MySQLStatement()
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54 {
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55 Close();
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56 }
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57
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58 virtual bool IsReadOnly() const
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59 {
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60 return readOnly_;
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61 }
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62
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63 MYSQL_STMT* GetObject();
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64
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65 size_t GetResultFieldsCount() const
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66 {
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67 return result_.size();
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68 }
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69
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70 IValue* FetchResultField(size_t i);
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71
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72 IResult* Execute(MySQLTransaction& transaction,
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73 const Dictionary& parameters);
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74
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75 void ExecuteWithoutResult(MySQLTransaction& transaction,
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76 const Dictionary& parameters);
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77 };
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78 }
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