mirror of https://github.com/python/cpython
129 lines
4.7 KiB
C
129 lines
4.7 KiB
C
/* connection.h - definitions for the connection type
|
|
*
|
|
* Copyright (C) 2004-2007 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;
|
|
|
|
/* 1 if we are currently within a transaction, i. e. if a BEGIN has been
|
|
* issued */
|
|
int inTransaction;
|
|
|
|
/* 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 PyString with the isolation level */
|
|
PyObject* isolation_level;
|
|
|
|
/* NULL for autocommit, otherwise a string with the BEGIN statment; will be
|
|
* freed in connection destructor */
|
|
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;
|
|
|
|
/* thread identification of the thread the connection was created in */
|
|
long thread_ident;
|
|
|
|
pysqlite_Cache* statement_cache;
|
|
|
|
/* A list of weak references to statements used within this connection */
|
|
PyObject* statements;
|
|
|
|
/* a counter for how many statements were created in the connection. May be
|
|
* reset to 0 at certain intervals */
|
|
int created_statements;
|
|
|
|
PyObject* row_factory;
|
|
|
|
/* Determines how bytestrings from SQLite are converted to Python objects:
|
|
* - PyUnicode_Type: Python Unicode objects are constructed from UTF-8 bytestrings
|
|
* - OptimizedUnicode: Like before, but for ASCII data, only PyStrings are created.
|
|
* - PyBytes_Type: PyStrings are created 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_check_thread(pysqlite_Connection* self);
|
|
int pysqlite_check_connection(pysqlite_Connection* con);
|
|
|
|
int pysqlite_connection_setup_types(void);
|
|
|
|
#endif
|