Mercurial > hg > orthanc-databases
annotate Framework/PostgreSQL/PostgreSQLStatement.h @ 522:c49136b34891 large-queries tip
use a prepared statement for InsertOrUpdateMetadata
| author | Alain Mazy <am@orthanc.team> |
|---|---|
| date | Fri, 05 Jul 2024 09:15:54 +0200 |
| parents | 54d518dcd74a |
| children |
| rev | line source |
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| 0 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 0 | 8 * |
| 9 * This program is free software: you can redistribute it and/or | |
| 10 * modify it under the terms of the GNU Affero General Public License | |
| 11 * as published by the Free Software Foundation, either version 3 of | |
| 12 * the License, or (at your option) any later version. | |
| 13 * | |
| 14 * This program is distributed in the hope that it will be useful, but | |
| 15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 * Affero General Public License for more details. | |
| 18 * | |
| 19 * You should have received a copy of the GNU Affero General Public License | |
| 20 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 21 **/ | |
| 22 | |
| 23 | |
| 24 #pragma once | |
| 25 | |
| 26 #if ORTHANC_ENABLE_POSTGRESQL != 1 | |
| 27 # error PostgreSQL support must be enabled to use this file | |
| 28 #endif | |
| 29 | |
| 30 #include "../Common/IPrecompiledStatement.h" | |
| 31 #include "../Common/Query.h" | |
| 32 #include "../Common/GenericFormatter.h" | |
| 33 | |
| 34 #include "PostgreSQLDatabase.h" | |
| 35 #include "PostgreSQLLargeObject.h" | |
| 36 #include "PostgreSQLTransaction.h" | |
| 37 | |
| 38 #include <vector> | |
| 39 #include <memory> | |
| 40 #include <boost/shared_ptr.hpp> | |
| 41 | |
| 42 namespace OrthancDatabases | |
| 43 { | |
| 44 class PostgreSQLStatement : public IPrecompiledStatement | |
| 45 { | |
| 46 private: | |
| 47 class ResultWrapper; | |
| 48 class Inputs; | |
| 49 friend class PostgreSQLResult; | |
| 50 | |
| 51 PostgreSQLDatabase& database_; | |
| 52 std::string id_; | |
| 53 std::string sql_; | |
| 54 std::vector<unsigned int /*Oid*/> oids_; | |
| 55 std::vector<int> binary_; | |
| 56 boost::shared_ptr<Inputs> inputs_; | |
| 57 GenericFormatter formatter_; | |
| 58 | |
| 59 void Prepare(); | |
| 60 | |
| 61 void Unprepare(); | |
| 62 | |
| 63 void DeclareInputInternal(unsigned int param, | |
| 64 unsigned int /*Oid*/ type); | |
| 65 | |
| 66 void* /* PGresult* */ Execute(); | |
| 67 | |
| 68 public: | |
| 69 PostgreSQLStatement(PostgreSQLDatabase& database, | |
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70 const std::string& sql); |
| 0 | 71 |
| 72 PostgreSQLStatement(PostgreSQLDatabase& database, | |
| 73 const Query& query); | |
| 74 | |
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Compatibility with MySQL 8.0
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75 ~PostgreSQLStatement(); |
| 0 | 76 |
| 77 void DeclareInputInteger(unsigned int param); | |
| 78 | |
| 79 void DeclareInputInteger64(unsigned int param); | |
| 80 | |
| 81 void DeclareInputString(unsigned int param); | |
| 82 | |
| 83 void DeclareInputBinary(unsigned int param); | |
| 84 | |
| 85 void DeclareInputLargeObject(unsigned int param); | |
| 86 | |
| 87 void Run(); | |
| 88 | |
| 89 void BindNull(unsigned int param); | |
| 90 | |
| 91 void BindInteger(unsigned int param, int value); | |
| 92 | |
| 93 void BindInteger64(unsigned int param, int64_t value); | |
| 94 | |
| 95 void BindString(unsigned int param, const std::string& value); | |
| 96 | |
| 97 void BindLargeObject(unsigned int param, const PostgreSQLLargeObject& value); | |
| 98 | |
| 99 PostgreSQLDatabase& GetDatabase() const | |
| 100 { | |
| 101 return database_; | |
| 102 } | |
| 103 | |
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104 IResult* Execute(ITransaction& transaction, |
| 0 | 105 const Dictionary& parameters); |
| 106 | |
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107 void ExecuteWithoutResult(ITransaction& transaction, |
| 0 | 108 const Dictionary& parameters); |
| 109 }; | |
| 110 } |