Mercurial > hg > orthanc-databases
annotate Framework/SQLite/SQLiteStatement.cpp @ 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 #include "SQLiteStatement.h" | |
| 25 | |
| 26 #include "../Common/BinaryStringValue.h" | |
|
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27 #include "../Common/InputFileValue.h" |
| 0 | 28 #include "../Common/Integer64Value.h" |
| 29 #include "../Common/Query.h" | |
| 30 #include "../Common/Utf8StringValue.h" | |
| 31 #include "SQLiteResult.h" | |
| 32 | |
| 152 | 33 #include <OrthancException.h> |
| 0 | 34 |
| 35 namespace OrthancDatabases | |
| 36 { | |
| 37 SQLiteStatement::SQLiteStatement(SQLiteDatabase& database, | |
| 38 const Query& query) : | |
| 39 formatter_(Dialect_SQLite) | |
| 40 { | |
| 41 std::string sql; | |
| 42 query.Format(sql, formatter_); | |
| 43 | |
| 44 statement_.reset(new Orthanc::SQLite::Statement(database.GetObject(), sql)); | |
| 45 } | |
| 46 | |
| 47 | |
| 48 Orthanc::SQLite::Statement& SQLiteStatement::GetObject() | |
| 49 { | |
| 50 if (statement_.get() == NULL) | |
| 51 { | |
| 52 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 53 } | |
| 54 else | |
| 55 { | |
| 56 return *statement_; | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 | |
| 61 void SQLiteStatement::BindParameters(const Dictionary& parameters) | |
| 62 { | |
| 63 statement_->Reset(); | |
| 64 | |
| 65 for (size_t i = 0; i < formatter_.GetParametersCount(); i++) | |
| 66 { | |
| 67 const std::string& name = formatter_.GetParameterName(i); | |
| 68 | |
| 69 switch (formatter_.GetParameterType(i)) | |
| 70 { | |
| 71 case ValueType_BinaryString: | |
| 72 { | |
| 73 const BinaryStringValue& blob = | |
| 74 dynamic_cast<const BinaryStringValue&>(parameters.GetValue(name)); | |
| 75 statement_->BindBlob(i, blob.GetBuffer(), blob.GetSize()); | |
| 76 break; | |
| 77 } | |
| 78 | |
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79 case ValueType_InputFile: |
| 0 | 80 { |
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81 const InputFileValue& blob = |
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82 dynamic_cast<const InputFileValue&>(parameters.GetValue(name)); |
| 0 | 83 statement_->BindBlob(i, blob.GetBuffer(), blob.GetSize()); |
| 84 break; | |
| 85 } | |
| 86 | |
| 87 case ValueType_Integer64: | |
| 88 statement_->BindInt64(i, dynamic_cast<const Integer64Value&> | |
| 89 (parameters.GetValue(name)).GetValue()); | |
| 90 break; | |
| 91 | |
| 92 case ValueType_Null: | |
| 93 statement_->BindNull(i); | |
| 94 break; | |
| 95 | |
| 96 case ValueType_Utf8String: | |
| 97 statement_->BindString(i, dynamic_cast<const Utf8StringValue&> | |
| 98 (parameters.GetValue(name)).GetContent()); | |
| 99 break; | |
| 100 | |
| 101 default: | |
| 102 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 103 } | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 | |
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108 IResult* SQLiteStatement::Execute(ITransaction& transaction, |
| 0 | 109 const Dictionary& parameters) |
| 110 { | |
| 111 BindParameters(parameters); | |
| 112 return new SQLiteResult(*this); | |
| 113 } | |
| 114 | |
| 115 | |
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116 void SQLiteStatement::ExecuteWithoutResult(ITransaction& transaction, |
| 0 | 117 const Dictionary& parameters) |
| 118 { | |
| 119 BindParameters(parameters); | |
| 120 | |
| 121 if (!statement_->Run()) | |
| 122 { | |
| 123 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database); | |
| 124 } | |
| 125 } | |
| 126 } |