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
|
/* connection.h - definitions for the connection type
*
* Copyright (C) 2004-2010 Gerhard Häring <gh@ghaering.de>
*
* This file is part of pysqlite.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
#ifndef PYSQLITE_CONNECTION_H
#define PYSQLITE_CONNECTION_H
#include "Python.h"
#include "pythread.h"
#include "structmember.h"
#include "cache.h"
#include "module.h"
#include "sqlite3.h"
typedef struct
{
PyObject_HEAD
sqlite3* db;
/* the type detection mode. Only 0, PARSE_DECLTYPES, PARSE_COLNAMES or a
* bitwise combination thereof makes sense */
int detect_types;
/* the timeout value in seconds for database locks */
double timeout;
/* for internal use in the timeout handler: when did the timeout handler
* first get called with count=0? */
double timeout_started;
/* None for autocommit, otherwise a PyUnicode with the isolation level */
PyObject* isolation_level;
/* NULL for autocommit, otherwise a string with the BEGIN statement */
const char* begin_statement;
/* 1 if a check should be performed for each API call if the connection is
* used from the same thread it was created in */
int check_same_thread;
int initialized;
/* thread identification of the thread the connection was created in */
long thread_ident;
pysqlite_Cache* statement_cache;
/* Lists of weak references to statements and cursors used within this connection */
PyObject* statements;
PyObject* cursors;
/* Counters for how many statements/cursors were created in the connection. May be
* reset to 0 at certain intervals */
int created_statements;
int created_cursors;
PyObject* row_factory;
/* Determines how bytestrings from SQLite are converted to Python objects:
* - PyUnicode_Type: Python Unicode objects are constructed from UTF-8 bytestrings
* - PyBytes_Type: The bytestrings are returned as-is.
* - Any custom callable: Any object returned from the callable called with the bytestring
* as single parameter.
*/
PyObject* text_factory;
/* remember references to functions/classes used in
* create_function/create/aggregate, use these as dictionary keys, so we
* can keep the total system refcount constant by clearing that dictionary
* in connection_dealloc */
PyObject* function_pinboard;
/* a dictionary of registered collation name => collation callable mappings */
PyObject* collations;
/* Exception objects */
PyObject* Warning;
PyObject* Error;
PyObject* InterfaceError;
PyObject* DatabaseError;
PyObject* DataError;
PyObject* OperationalError;
PyObject* IntegrityError;
PyObject* InternalError;
PyObject* ProgrammingError;
PyObject* NotSupportedError;
} pysqlite_Connection;
extern PyTypeObject pysqlite_ConnectionType;
PyObject* pysqlite_connection_alloc(PyTypeObject* type, int aware);
void pysqlite_connection_dealloc(pysqlite_Connection* self);
PyObject* pysqlite_connection_cursor(pysqlite_Connection* self, PyObject* args, PyObject* kwargs);
PyObject* pysqlite_connection_close(pysqlite_Connection* self, PyObject* args);
PyObject* _pysqlite_connection_begin(pysqlite_Connection* self);
PyObject* pysqlite_connection_commit(pysqlite_Connection* self, PyObject* args);
PyObject* pysqlite_connection_rollback(pysqlite_Connection* self, PyObject* args);
PyObject* pysqlite_connection_new(PyTypeObject* type, PyObject* args, PyObject* kw);
int pysqlite_connection_init(pysqlite_Connection* self, PyObject* args, PyObject* kwargs);
int pysqlite_connection_register_cursor(pysqlite_Connection* connection, PyObject* cursor);
int pysqlite_check_thread(pysqlite_Connection* self);
int pysqlite_check_connection(pysqlite_Connection* con);
int pysqlite_connection_setup_types(void);
#endif
|
