1 /* util.c - various utility functions
2 *
3 * Copyright (C) 2005-2010 Gerhard Häring <gh@ghaering.de>
4 *
5 * This file is part of pysqlite.
6 *
7 * This software is provided 'as-is', without any express or implied
8 * warranty. In no event will the authors be held liable for any damages
9 * arising from the use of this software.
10 *
11 * Permission is granted to anyone to use this software for any purpose,
12 * including commercial applications, and to alter it and redistribute it
13 * freely, subject to the following restrictions:
14 *
15 * 1. The origin of this software must not be misrepresented; you must not
16 * claim that you wrote the original software. If you use this software
17 * in a product, an acknowledgment in the product documentation would be
18 * appreciated but is not required.
19 * 2. Altered source versions must be plainly marked as such, and must not be
20 * misrepresented as being the original software.
21 * 3. This notice may not be removed or altered from any source distribution.
22 */
23
24 #include "module.h"
25 #include "connection.h"
26
27 int pysqlite_step(sqlite3_stmt* statement, pysqlite_Connection* connection)
28 {
29 int rc;
30
31 if (statement == NULL) {
32 /* this is a workaround for SQLite 3.5 and later. it now apparently
33 * returns NULL for "no-operation" statements */
34 rc = SQLITE_OK;
35 } else {
36 Py_BEGIN_ALLOW_THREADS
37 rc = sqlite3_step(statement);
38 Py_END_ALLOW_THREADS
39 }
40
41 return rc;
Uninitialized variable: rc
(emitted by cppcheck)
Uninitialized variable: rc
(emitted by cppcheck)
42 }
43
44 /**
45 * Checks the SQLite error code and sets the appropriate DB-API exception.
46 * Returns the error code (0 means no error occurred).
47 */
48 int _pysqlite_seterror(sqlite3* db, sqlite3_stmt* st)
49 {
50 int errorcode;
51
52 /* SQLite often doesn't report anything useful, unless you reset the statement first */
53 if (st != NULL) {
54 (void)sqlite3_reset(st);
55 }
56
57 errorcode = sqlite3_errcode(db);
58
59 switch (errorcode)
60 {
61 case SQLITE_OK:
62 PyErr_Clear();
63 break;
64 case SQLITE_INTERNAL:
65 case SQLITE_NOTFOUND:
66 PyErr_SetString(pysqlite_InternalError, sqlite3_errmsg(db));
67 break;
68 case SQLITE_NOMEM:
69 (void)PyErr_NoMemory();
70 break;
71 case SQLITE_ERROR:
72 case SQLITE_PERM:
73 case SQLITE_ABORT:
74 case SQLITE_BUSY:
75 case SQLITE_LOCKED:
76 case SQLITE_READONLY:
77 case SQLITE_INTERRUPT:
78 case SQLITE_IOERR:
79 case SQLITE_FULL:
80 case SQLITE_CANTOPEN:
81 case SQLITE_PROTOCOL:
82 case SQLITE_EMPTY:
83 case SQLITE_SCHEMA:
84 PyErr_SetString(pysqlite_OperationalError, sqlite3_errmsg(db));
85 break;
86 case SQLITE_CORRUPT:
87 PyErr_SetString(pysqlite_DatabaseError, sqlite3_errmsg(db));
88 break;
89 case SQLITE_TOOBIG:
90 PyErr_SetString(pysqlite_DataError, sqlite3_errmsg(db));
91 break;
92 case SQLITE_CONSTRAINT:
93 case SQLITE_MISMATCH:
94 PyErr_SetString(pysqlite_IntegrityError, sqlite3_errmsg(db));
95 break;
96 case SQLITE_MISUSE:
97 PyErr_SetString(pysqlite_ProgrammingError, sqlite3_errmsg(db));
98 break;
99 default:
100 PyErr_SetString(pysqlite_DatabaseError, sqlite3_errmsg(db));
101 break;
102 }
103
104 return errorcode;
105 }