mirror of
https://github.com/python/cpython.git
synced 2025-11-04 07:31:38 +00:00
99b9df8e11
- Backported a workaround for a bug in SQLite 3.2.x/3.3.x versions where a statement recompilation with no bound parameters lead to a segfault - Backported a fix necessary because of an SQLite API change in version 3.5. This prevents segfaults when executing empty queries, like our test suite does
101 lines
3.1 KiB
C
101 lines
3.1 KiB
C
/* util.c - various utility functions
|
|
*
|
|
* Copyright (C) 2005-2006 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.
|
|
*/
|
|
|
|
#include "module.h"
|
|
#include "connection.h"
|
|
|
|
int _sqlite_step_with_busyhandler(sqlite3_stmt* statement, pysqlite_Connection* connection)
|
|
{
|
|
int rc;
|
|
|
|
if (statement == NULL) {
|
|
/* this is a workaround for SQLite 3.5 and later. it now apparently
|
|
* returns NULL for "no-operation" statements */
|
|
rc = SQLITE_OK;
|
|
} else {
|
|
Py_BEGIN_ALLOW_THREADS
|
|
rc = sqlite3_step(statement);
|
|
Py_END_ALLOW_THREADS
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* Checks the SQLite error code and sets the appropriate DB-API exception.
|
|
* Returns the error code (0 means no error occurred).
|
|
*/
|
|
int _pysqlite_seterror(sqlite3* db)
|
|
{
|
|
int errorcode;
|
|
|
|
errorcode = sqlite3_errcode(db);
|
|
|
|
switch (errorcode)
|
|
{
|
|
case SQLITE_OK:
|
|
PyErr_Clear();
|
|
break;
|
|
case SQLITE_INTERNAL:
|
|
case SQLITE_NOTFOUND:
|
|
PyErr_SetString(pysqlite_InternalError, sqlite3_errmsg(db));
|
|
break;
|
|
case SQLITE_NOMEM:
|
|
(void)PyErr_NoMemory();
|
|
break;
|
|
case SQLITE_ERROR:
|
|
case SQLITE_PERM:
|
|
case SQLITE_ABORT:
|
|
case SQLITE_BUSY:
|
|
case SQLITE_LOCKED:
|
|
case SQLITE_READONLY:
|
|
case SQLITE_INTERRUPT:
|
|
case SQLITE_IOERR:
|
|
case SQLITE_FULL:
|
|
case SQLITE_CANTOPEN:
|
|
case SQLITE_PROTOCOL:
|
|
case SQLITE_EMPTY:
|
|
case SQLITE_SCHEMA:
|
|
PyErr_SetString(pysqlite_OperationalError, sqlite3_errmsg(db));
|
|
break;
|
|
case SQLITE_CORRUPT:
|
|
PyErr_SetString(pysqlite_DatabaseError, sqlite3_errmsg(db));
|
|
break;
|
|
case SQLITE_TOOBIG:
|
|
PyErr_SetString(pysqlite_DataError, sqlite3_errmsg(db));
|
|
break;
|
|
case SQLITE_CONSTRAINT:
|
|
case SQLITE_MISMATCH:
|
|
PyErr_SetString(pysqlite_IntegrityError, sqlite3_errmsg(db));
|
|
break;
|
|
case SQLITE_MISUSE:
|
|
PyErr_SetString(pysqlite_ProgrammingError, sqlite3_errmsg(db));
|
|
break;
|
|
default:
|
|
PyErr_SetString(pysqlite_DatabaseError, sqlite3_errmsg(db));
|
|
break;
|
|
}
|
|
|
|
return errorcode;
|
|
}
|
|
|