python/Modules/_sqlite/connection.h at master · geekgao/python · GitHub

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/* connection.h - definitions for the connection type

* 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.

* - PyString_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;

/* if our connection was created from a APSW connection, we keep a

* reference to the APSW connection around and get rid of it in our

* destructor */

PyObject* apsw_connection;

/* 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

python/Modules/_sqlite/connection.h at master · geekgao/python · GitHub

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