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- /* connection.h - definitions for the connection type
- *
- * Copyright (C) 2004-2009 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;
- 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
- * - 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_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
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