/Modules/_sqlite/util.c
http://unladen-swallow.googlecode.com/ · C · 106 lines · 67 code · 10 blank · 29 comment · 6 complexity · 5a42f606f940b42ce83952e123a176ff MD5 · raw file
- /* 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;
- }