Mercurial > hg > orthanc
annotate Core/SQLite/Statement.h @ 633:e207b33216db
merge
| author | jodogne |
|---|---|
| date | Tue, 29 Oct 2013 09:04:25 +0100 |
| parents | bdd72233b105 |
| children | 2d0a347e8cfc |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 398 | 3 * Copyright (C) 2012-2013 Medical Physics Department, CHU of Liege, |
| 0 | 4 * Belgium |
| 5 * | |
| 17 | 6 * Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 7 * | |
| 8 * Redistribution and use in source and binary forms, with or without | |
| 9 * modification, are permitted provided that the following conditions are | |
| 10 * met: | |
| 0 | 11 * |
| 17 | 12 * * Redistributions of source code must retain the above copyright |
| 13 * notice, this list of conditions and the following disclaimer. | |
| 14 * * Redistributions in binary form must reproduce the above | |
| 15 * copyright notice, this list of conditions and the following disclaimer | |
| 16 * in the documentation and/or other materials provided with the | |
| 17 * distribution. | |
| 18 * * Neither the name of Google Inc., the name of the CHU of Liege, | |
| 19 * nor the names of its contributors may be used to endorse or promote | |
| 20 * products derived from this software without specific prior written | |
| 21 * permission. | |
| 22 * | |
| 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 0 | 34 **/ |
| 35 | |
| 36 | |
| 37 #pragma once | |
| 38 | |
| 59 | 39 #include "../OrthancException.h" |
| 0 | 40 #include "StatementId.h" |
| 41 #include "StatementReference.h" | |
| 42 | |
| 43 #include <vector> | |
| 44 #include <stdint.h> | |
| 45 #include <boost/noncopyable.hpp> | |
| 265 | 46 |
| 47 #if ORTHANC_BUILD_UNIT_TESTS == 1 | |
| 138 | 48 #include <gtest/gtest_prod.h> |
| 265 | 49 #endif |
| 0 | 50 |
| 51 struct sqlite3_stmt; | |
| 52 | |
| 53 | |
| 59 | 54 namespace Orthanc |
| 0 | 55 { |
| 56 namespace SQLite | |
| 57 { | |
| 58 class Connection; | |
| 59 | |
| 60 // Possible return values from ColumnType in a statement. These | |
| 61 // should match the values in sqlite3.h. | |
| 62 enum ColumnType | |
| 63 { | |
| 64 COLUMN_TYPE_INTEGER = 1, | |
| 65 COLUMN_TYPE_FLOAT = 2, | |
| 66 COLUMN_TYPE_TEXT = 3, | |
| 67 COLUMN_TYPE_BLOB = 4, | |
| 68 COLUMN_TYPE_NULL = 5 | |
| 69 }; | |
| 70 | |
| 71 class Statement : public boost::noncopyable | |
| 72 { | |
| 73 friend class Connection; | |
| 265 | 74 |
| 75 #if ORTHANC_BUILD_UNIT_TESTS == 1 | |
| 138 | 76 FRIEND_TEST(SQLStatementTest, Run); |
| 77 FRIEND_TEST(SQLStatementTest, Reset); | |
| 265 | 78 #endif |
| 0 | 79 |
| 80 private: | |
| 81 StatementReference reference_; | |
| 82 | |
| 83 int CheckError(int err) const; | |
| 84 | |
| 85 void CheckOk(int err) const; | |
| 86 | |
| 87 struct sqlite3_stmt* GetStatement() const | |
| 88 { | |
| 89 return reference_.GetWrappedObject(); | |
| 90 } | |
| 91 | |
| 138 | 92 // Resets the statement to its initial condition. This includes any current |
| 93 // result row, and also the bound variables if the |clear_bound_vars| is true. | |
| 94 void Reset(bool clear_bound_vars = true); | |
| 95 | |
| 0 | 96 public: |
| 97 Statement(Connection& database, | |
| 98 const std::string& sql); | |
| 99 | |
| 100 Statement(Connection& database, | |
| 101 const StatementId& id, | |
| 102 const std::string& sql); | |
| 103 | |
| 104 Statement(Connection& database, | |
| 105 const char* sql); | |
| 106 | |
| 107 Statement(Connection& database, | |
| 108 const StatementId& id, | |
| 109 const char* sql); | |
| 110 | |
|
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fix of a bug in older versions of sqlite
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parents:
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changeset
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111 ~Statement() |
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0e97abc7b950
fix of a bug in older versions of sqlite
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
80
diff
changeset
|
112 { |
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0e97abc7b950
fix of a bug in older versions of sqlite
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
80
diff
changeset
|
113 Reset(); |
|
0e97abc7b950
fix of a bug in older versions of sqlite
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
80
diff
changeset
|
114 } |
|
0e97abc7b950
fix of a bug in older versions of sqlite
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
80
diff
changeset
|
115 |
| 0 | 116 bool Run(); |
| 117 | |
| 118 bool Step(); | |
| 119 | |
| 120 // Diagnostics -------------------------------------------------------------- | |
| 121 | |
| 122 std::string GetOriginalSQLStatement(); | |
| 123 | |
| 124 | |
| 125 // Binding ------------------------------------------------------------------- | |
| 126 | |
| 127 // These all take a 0-based argument index | |
| 128 void BindNull(int col); | |
| 129 void BindBool(int col, bool val); | |
| 130 void BindInt(int col, int val); | |
| 131 void BindInt64(int col, int64_t val); | |
| 132 void BindDouble(int col, double val); | |
| 133 void BindCString(int col, const char* val); | |
| 134 void BindString(int col, const std::string& val); | |
| 135 //void BindString16(int col, const string16& value); | |
| 136 void BindBlob(int col, const void* value, int value_len); | |
| 137 | |
| 138 | |
| 139 // Retrieving ---------------------------------------------------------------- | |
| 140 | |
| 141 // Returns the number of output columns in the result. | |
| 142 int ColumnCount() const; | |
| 143 | |
| 144 // Returns the type associated with the given column. | |
| 145 // | |
| 146 // Watch out: the type may be undefined if you've done something to cause a | |
| 147 // "type conversion." This means requesting the value of a column of a type | |
| 148 // where that type is not the native type. For safety, call ColumnType only | |
| 149 // on a column before getting the value out in any way. | |
| 150 ColumnType GetColumnType(int col) const; | |
| 151 ColumnType GetDeclaredColumnType(int col) const; | |
| 152 | |
| 153 // These all take a 0-based argument index. | |
| 80 | 154 bool ColumnIsNull(int col) const ; |
| 0 | 155 bool ColumnBool(int col) const; |
| 156 int ColumnInt(int col) const; | |
| 157 int64_t ColumnInt64(int col) const; | |
| 158 double ColumnDouble(int col) const; | |
| 159 std::string ColumnString(int col) const; | |
| 160 //string16 ColumnString16(int col) const; | |
| 161 | |
| 162 // When reading a blob, you can get a raw pointer to the underlying data, | |
| 163 // along with the length, or you can just ask us to copy the blob into a | |
| 164 // vector. Danger! ColumnBlob may return NULL if there is no data! | |
| 165 int ColumnByteLength(int col) const; | |
| 166 const void* ColumnBlob(int col) const; | |
| 167 bool ColumnBlobAsString(int col, std::string* blob); | |
| 168 //bool ColumnBlobAsString16(int col, string16* val) const; | |
| 169 bool ColumnBlobAsVector(int col, std::vector<char>* val) const; | |
| 170 bool ColumnBlobAsVector(int col, std::vector<unsigned char>* val) const; | |
| 171 | |
| 172 }; | |
| 173 } | |
| 174 } |