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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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67
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5 * Copyright (C) 2017-2019 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 #include "SQLiteResult.h"
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23
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24 #include "../Common/BinaryStringValue.h"
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25 #include "../Common/Integer64Value.h"
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26 #include "../Common/NullValue.h"
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27 #include "../Common/Utf8StringValue.h"
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28
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29 #include <Core/OrthancException.h>
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30
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31 namespace OrthancDatabases
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32 {
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33 SQLiteResult::SQLiteResult(SQLiteStatement& statement) :
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34 statement_(statement)
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35 {
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36 if (statement_.GetObject().ColumnCount() < 0)
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37 {
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38 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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39 }
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40 else
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41 {
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42 SetFieldsCount(statement_.GetObject().ColumnCount());
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43 }
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44
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45 done_ = !statement_.GetObject().Step();
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46 FetchFields();
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47 }
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48
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49
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50 IValue* SQLiteResult::FetchField(size_t index)
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51 {
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52 switch (statement_.GetObject().GetColumnType(index))
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53 {
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54 case Orthanc::SQLite::COLUMN_TYPE_INTEGER:
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55 return new Integer64Value(statement_.GetObject().ColumnInt64(index));
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56
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57 case Orthanc::SQLite::COLUMN_TYPE_TEXT:
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58 return new Utf8StringValue(statement_.GetObject().ColumnString(index));
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59
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60 case Orthanc::SQLite::COLUMN_TYPE_BLOB:
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61 return new BinaryStringValue(statement_.GetObject().ColumnString(index));
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62
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63 case Orthanc::SQLite::COLUMN_TYPE_NULL:
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64 return new NullValue;
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65
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66 case Orthanc::SQLite::COLUMN_TYPE_FLOAT:
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67 default:
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68 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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69 }
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70 }
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71
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72
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73 void SQLiteResult::Next()
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74 {
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75 if (done_)
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76 {
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77 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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78 }
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79 else
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80 {
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81 done_ = !statement_.GetObject().Step();
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82 FetchFields();
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83 }
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84 }
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85 }
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