/* util.c - various utility functions | |
* | |
* Copyright (C) 2005-2010 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 pysqlite_step(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, sqlite3_stmt* st) | |
{ | |
int errorcode; | |
/* SQLite often doesn't report anything useful, unless you reset the statement first */ | |
if (st != NULL) { | |
(void)sqlite3_reset(st); | |
} | |
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; | |
} | |