forked from WebKit/WebKit
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathSQLiteStatement.h
More file actions
92 lines (75 loc) · 3.53 KB
/
SQLiteStatement.h
File metadata and controls
92 lines (75 loc) · 3.53 KB
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
/*
* Copyright (C) 2006-2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "SQLValue.h"
#include "SQLiteDatabase.h"
#include <wtf/Span.h>
struct sqlite3_stmt;
namespace WebCore {
class SQLiteStatement {
WTF_MAKE_NONCOPYABLE(SQLiteStatement); WTF_MAKE_FAST_ALLOCATED;
public:
WEBCORE_EXPORT ~SQLiteStatement();
WEBCORE_EXPORT SQLiteStatement(SQLiteStatement&&);
WEBCORE_EXPORT int bindBlob(int index, Span<const uint8_t>);
WEBCORE_EXPORT int bindBlob(int index, const String&);
WEBCORE_EXPORT int bindText(int index, StringView);
WEBCORE_EXPORT int bindInt(int index, int);
WEBCORE_EXPORT int bindInt64(int index, int64_t);
WEBCORE_EXPORT int bindDouble(int index, double);
WEBCORE_EXPORT int bindNull(int index);
WEBCORE_EXPORT int bindValue(int index, const SQLValue&);
WEBCORE_EXPORT unsigned bindParameterCount() const;
WEBCORE_EXPORT int step();
WEBCORE_EXPORT int reset();
// steps and finalizes the query.
// returns true if all 3 steps succeed with step() returning SQLITE_DONE
// returns false otherwise
WEBCORE_EXPORT bool executeCommand();
// Returns -1 on last-step failing. Otherwise, returns number of rows
// returned in the last step()
int columnCount();
bool isReadOnly();
WEBCORE_EXPORT bool isColumnDeclaredAsBlob(int col);
String columnName(int col);
SQLValue columnValue(int col);
WEBCORE_EXPORT String columnText(int col);
WEBCORE_EXPORT double columnDouble(int col);
WEBCORE_EXPORT int columnInt(int col);
WEBCORE_EXPORT int64_t columnInt64(int col);
WEBCORE_EXPORT String columnBlobAsString(int col);
WEBCORE_EXPORT Vector<uint8_t> columnBlob(int col);
// The returned Span stays valid until the next step() / reset() or destruction of the statement.
Span<const uint8_t> columnBlobAsSpan(int col);
SQLiteDatabase& database() { return m_database; }
private:
friend class SQLiteDatabase;
SQLiteStatement(SQLiteDatabase&, sqlite3_stmt*);
// Returns true if the prepared statement has been stepped at least once using step() but has neither run to completion (returned SQLITE_DONE from step()) nor been reset().
bool hasStartedStepping();
SQLiteDatabase& m_database;
sqlite3_stmt* m_statement;
};
} // namespace WebCore