From 4189e53a881e52de0945375a72b8748143c5bd13 Mon Sep 17 00:00:00 2001 From: Kali Kaneko Date: Mon, 4 Feb 2013 19:20:12 +0900 Subject: initial commit --- src/connection.h | 138 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 src/connection.h (limited to 'src/connection.h') diff --git a/src/connection.h b/src/connection.h new file mode 100644 index 0000000..3fc5a70 --- /dev/null +++ b/src/connection.h @@ -0,0 +1,138 @@ +/* connection.h - definitions for the connection type + * + * Copyright (C) 2004-2010 Gerhard Häring + * + * 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 -- cgit v1.2.3