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annotate Framework/Odbc/OdbcStatement.cpp @ 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 d543832987da
children 3d6886f3e5b3
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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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23 #include "OdbcStatement.h"
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24
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25 #include "../../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" // For ORTHANC_PLUGINS_VERSION_IS_ABOVE
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26 #include "OdbcEnvironment.h"
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28 #include <Logging.h>
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29 #include <OrthancException.h>
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30
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31 #include <sqlext.h>
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34 namespace OrthancDatabases
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35 {
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36 OdbcStatement::OdbcStatement(SQLHSTMT databaseHandle)
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37 {
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38 if (!SQL_SUCCEEDED(SQLAllocHandle(SQL_HANDLE_STMT, databaseHandle, &handle_)))
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39 {
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40 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot allocate statement");
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41 }
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42 }
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45 OdbcStatement::~OdbcStatement()
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46 {
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47 if (!SQL_SUCCEEDED(SQLFreeHandle(SQL_HANDLE_STMT, handle_)))
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48 {
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49 LOG(ERROR) << "Cannot destruct statement";
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50 }
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51 }
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54 std::string OdbcStatement::FormatError()
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55 {
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56 return OdbcEnvironment::FormatError(handle_, SQL_HANDLE_STMT);
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57 }
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60 void OdbcStatement::CheckCollision(Dialect dialect)
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61 {
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62 SQLINTEGER native = -1;
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63 SQLCHAR stateBuf[SQL_SQLSTATE_SIZE + 1];
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64 SQLSMALLINT stateLength = 0;
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65
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66 for (SQLSMALLINT recNum = 1; ; recNum++)
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67 {
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68 if (SQL_SUCCEEDED(SQLGetDiagField(SQL_HANDLE_STMT, handle_,
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69 recNum, SQL_DIAG_NATIVE, &native, SQL_IS_INTEGER, 0)) &&
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70 SQL_SUCCEEDED(SQLGetDiagField(SQL_HANDLE_STMT, handle_,
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71 recNum, SQL_DIAG_SQLSTATE, &stateBuf, sizeof(stateBuf), &stateLength)))
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72 {
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73 const std::string state(reinterpret_cast<const char*>(stateBuf));
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74
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75 if (state == "40001" ||
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76 (dialect == Dialect_MySQL && native == 1213) ||
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77 (dialect == Dialect_MSSQL && native == 1205))
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78 {
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79 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 9, 2)
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80 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseCannotSerialize);
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81 #else
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82 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Collision between multiple writers");
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83 #endif
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84 }
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85 }
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86 else
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87 {
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88 return;
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89 }
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90 }
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91 }
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92 }