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/* util.c - various utility functions

*

* Copyright (C) 2005-2007 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;

}