1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "sqlitebasestatement.h"
namespace Sqlite {
template<int ResultCount, int BindParameterCount = 0>
class ReadStatement final
: protected StatementImplementation<BaseStatement, ResultCount, BindParameterCount>
{
using Base = StatementImplementation<BaseStatement, ResultCount, BindParameterCount>;
public:
ReadStatement(Utils::SmallStringView sqlStatement,
Database &database,
const source_location &sourceLocation = source_location::current())
: Base{sqlStatement, database, sourceLocation}
{
checkIsReadOnlyStatement(sourceLocation);
Base::checkBindingParameterCount(BindParameterCount, sourceLocation);
Base::checkColumnCount(ResultCount, sourceLocation);
}
using Base::optionalValue;
using Base::range;
using Base::rangeWithTransaction;
using Base::readCallback;
using Base::readTo;
using Base::toValue;
using Base::value;
using Base::values;
template<typename ResultType, typename... QueryTypes>
auto valueWithTransaction(const source_location &sourceLocation, const QueryTypes &...queryValues)
{
return withImplicitTransaction(Base::database(), [&] {
return Base::template value<ResultType>(sourceLocation, queryValues...);
});
}
template<typename ResultType, typename... QueryTypes>
auto valueWithTransaction(const QueryTypes &...queryValues)
{
static constexpr auto sourceLocation = source_location::current();
return valueWithTransaction<ResultType>(sourceLocation, queryValues...);
}
template<typename ResultType, typename... QueryTypes>
auto optionalValueWithTransaction(const source_location &sourceLocation,
const QueryTypes &...queryValues)
{
return withImplicitTransaction(Base::database(), [&] {
return Base::template optionalValue<ResultType>(sourceLocation, queryValues...);
});
}
template<typename ResultType, typename... QueryTypes>
auto optionalValueWithTransaction(const QueryTypes &...queryValues)
{
static constexpr auto sourceLocation = source_location::current();
return optionalValueWithTransaction<ResultType>(sourceLocation, queryValues...);
}
template<typename ResultType, std::size_t capacity = 32, typename... QueryTypes>
auto valuesWithTransaction(const source_location &sourceLocation, const QueryTypes &...queryValues)
{
return withImplicitTransaction(Base::database(), [&] {
return Base::template values<ResultType, capacity>(sourceLocation, queryValues...);
});
}
template<typename ResultType, std::size_t capacity = 32, typename... QueryTypes>
auto valuesWithTransaction(const QueryTypes &...queryValues)
{
static constexpr auto sourceLocation = source_location::current();
return valuesWithTransaction<ResultType, capacity>(sourceLocation, queryValues...);
}
template<typename Callable, typename... QueryTypes>
void readCallbackWithTransaction(Callable &&callable,
const source_location &sourceLocation,
const QueryTypes &...queryValues)
{
withImplicitTransaction(Base::database(), [&] {
Base::readCallback(std::forward<Callable>(callable), sourceLocation, queryValues...);
});
}
template<typename Callable, typename... QueryTypes>
void readCallbackWithTransaction(Callable &&callable, const QueryTypes &...queryValues)
{
static constexpr auto sourceLocation = source_location::current();
readCallbackWithTransaction(callable, sourceLocation, queryValues...);
}
template<typename Container, typename... QueryTypes>
void readToWithTransaction(Container &container,
const source_location &sourceLocation,
const QueryTypes &...queryValues)
{
withImplicitTransaction(Base::database(),
[&] { Base::readTo(container, sourceLocation, queryValues...); });
}
template<typename Container, typename... QueryTypes>
void readToWithTransaction(Container &container, const QueryTypes &...queryValues)
{
static constexpr auto sourceLocation = source_location::current();
readToWithTransaction(container, sourceLocation, queryValues...);
}
protected:
void checkIsReadOnlyStatement(const source_location &sourceLocation)
{
if (!Base::isReadOnlyStatement())
throw NotReadOnlySqlStatement(sourceLocation);
}
};
template<int ResultCount>
ReadStatement(ReadStatement<ResultCount> &) -> ReadStatement<ResultCount>;
template<int ResultCount>
ReadStatement(const ReadStatement<ResultCount> &) -> ReadStatement<ResultCount>;
} // namespace Sqlite
|