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annotate Framework/Odbc/OdbcStatement.cpp @ 329:b5fb8b77ce4d

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initial commit of ODBC framework
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 10 Aug 2021 20:08:53 +0200
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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) 2017-2021 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 "OdbcStatement.h"
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24 #include "OdbcEnvironment.h"
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25
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26 #include <Logging.h>
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27 #include <OrthancException.h>
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29 #include <sqlext.h>
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32 namespace OrthancDatabases
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33 {
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34 OdbcStatement::OdbcStatement(SQLHSTMT databaseHandle)
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35 {
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36 if (!SQL_SUCCEEDED(SQLAllocHandle(SQL_HANDLE_STMT, databaseHandle, &handle_)))
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37 {
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38 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database, "Cannot allocate statement");
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39 }
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40 }
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43 OdbcStatement::~OdbcStatement()
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44 {
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45 if (!SQL_SUCCEEDED(SQLFreeHandle(SQL_HANDLE_STMT, handle_)))
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46 {
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47 LOG(ERROR) << "Cannot destruct statement";
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48 }
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49 }
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52 std::string OdbcStatement::FormatError()
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53 {
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54 return OdbcEnvironment::FormatError(handle_, SQL_HANDLE_STMT);
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55 }
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58 void OdbcStatement::CheckCollision(Dialect dialect)
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59 {
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60 SQLINTEGER native = -1;
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61 SQLCHAR stateBuf[SQL_SQLSTATE_SIZE + 1];
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62 SQLSMALLINT stateLength = 0;
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63
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64 for (SQLSMALLINT recNum = 1; ; recNum++)
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65 {
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66 if (SQL_SUCCEEDED(SQLGetDiagField(SQL_HANDLE_STMT, handle_,
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67 recNum, SQL_DIAG_NATIVE, &native, SQL_IS_INTEGER, 0)) &&
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68 SQL_SUCCEEDED(SQLGetDiagField(SQL_HANDLE_STMT, handle_,
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69 recNum, SQL_DIAG_SQLSTATE, &stateBuf, sizeof(stateBuf), &stateLength)))
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70 {
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71 const std::string state(reinterpret_cast<const char*>(stateBuf));
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72
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73 if (state == "40001" ||
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74 (dialect == Dialect_MySQL && native == 1213) ||
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75 (dialect == Dialect_MSSQL && native == 1205))
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76 {
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77 throw Orthanc::OrthancException(Orthanc::ErrorCode_DatabaseCannotSerialize);
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78 }
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79 }
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80 else
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81 {
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82 return;
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83 }
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84 }
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85 }
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86 }