Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1 | /* cursor.c - the cursor type |
| 2 | * |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 3 | * Copyright (C) 2004-2010 Gerhard Häring <gh@ghaering.de> |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 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 "cursor.h" |
| 25 | #include "module.h" |
| 26 | #include "util.h" |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 27 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 28 | PyObject* pysqlite_cursor_iternext(pysqlite_Cursor* self); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 29 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 30 | static char* errmsg_fetch_across_rollback = "Cursor needed to be reset because of commit/rollback and can no longer be fetched from."; |
| 31 | |
Guido van Rossum | 6374bb5 | 2007-06-13 16:28:25 +0000 | [diff] [blame] | 32 | static pysqlite_StatementKind detect_statement_type(const char* statement) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 33 | { |
| 34 | char buf[20]; |
Guido van Rossum | 6374bb5 | 2007-06-13 16:28:25 +0000 | [diff] [blame] | 35 | const char* src; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 36 | char* dst; |
| 37 | |
| 38 | src = statement; |
| 39 | /* skip over whitepace */ |
| 40 | while (*src == '\r' || *src == '\n' || *src == ' ' || *src == '\t') { |
| 41 | src++; |
| 42 | } |
| 43 | |
| 44 | if (*src == 0) |
| 45 | return STATEMENT_INVALID; |
| 46 | |
| 47 | dst = buf; |
| 48 | *dst = 0; |
Victor Stinner | cfcde8c | 2014-08-17 21:09:30 +0200 | [diff] [blame] | 49 | while (Py_ISALPHA(*src) && (dst - buf) < ((Py_ssize_t)sizeof(buf) - 2)) { |
Antoine Pitrou | 1665d2c | 2011-10-04 13:35:28 +0200 | [diff] [blame] | 50 | *dst++ = Py_TOLOWER(*src++); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 51 | } |
| 52 | |
| 53 | *dst = 0; |
| 54 | |
| 55 | if (!strcmp(buf, "select")) { |
| 56 | return STATEMENT_SELECT; |
| 57 | } else if (!strcmp(buf, "insert")) { |
| 58 | return STATEMENT_INSERT; |
| 59 | } else if (!strcmp(buf, "update")) { |
| 60 | return STATEMENT_UPDATE; |
| 61 | } else if (!strcmp(buf, "delete")) { |
| 62 | return STATEMENT_DELETE; |
| 63 | } else if (!strcmp(buf, "replace")) { |
| 64 | return STATEMENT_REPLACE; |
| 65 | } else { |
| 66 | return STATEMENT_OTHER; |
| 67 | } |
| 68 | } |
| 69 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 70 | static int pysqlite_cursor_init(pysqlite_Cursor* self, PyObject* args, PyObject* kwargs) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 71 | { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 72 | pysqlite_Connection* connection; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 73 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 74 | if (!PyArg_ParseTuple(args, "O!", &pysqlite_ConnectionType, &connection)) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 75 | { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 76 | return -1; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | Py_INCREF(connection); |
| 80 | self->connection = connection; |
| 81 | self->statement = NULL; |
| 82 | self->next_row = NULL; |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 83 | self->in_weakreflist = NULL; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 84 | |
| 85 | self->row_cast_map = PyList_New(0); |
| 86 | if (!self->row_cast_map) { |
| 87 | return -1; |
| 88 | } |
| 89 | |
| 90 | Py_INCREF(Py_None); |
| 91 | self->description = Py_None; |
| 92 | |
| 93 | Py_INCREF(Py_None); |
| 94 | self->lastrowid= Py_None; |
| 95 | |
| 96 | self->arraysize = 1; |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 97 | self->closed = 0; |
| 98 | self->reset = 0; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 99 | |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 100 | self->rowcount = -1L; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 101 | |
| 102 | Py_INCREF(Py_None); |
| 103 | self->row_factory = Py_None; |
| 104 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 105 | if (!pysqlite_check_thread(self->connection)) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 106 | return -1; |
| 107 | } |
| 108 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 109 | if (!pysqlite_connection_register_cursor(connection, (PyObject*)self)) { |
| 110 | return -1; |
| 111 | } |
| 112 | |
| 113 | self->initialized = 1; |
| 114 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 115 | return 0; |
| 116 | } |
| 117 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 118 | static void pysqlite_cursor_dealloc(pysqlite_Cursor* self) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 119 | { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 120 | /* Reset the statement if the user has not closed the cursor */ |
| 121 | if (self->statement) { |
Brett Cannon | b94767f | 2011-02-22 20:15:44 +0000 | [diff] [blame] | 122 | pysqlite_statement_reset(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 123 | Py_DECREF(self->statement); |
| 124 | } |
| 125 | |
| 126 | Py_XDECREF(self->connection); |
| 127 | Py_XDECREF(self->row_cast_map); |
| 128 | Py_XDECREF(self->description); |
| 129 | Py_XDECREF(self->lastrowid); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 130 | Py_XDECREF(self->row_factory); |
| 131 | Py_XDECREF(self->next_row); |
| 132 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 133 | if (self->in_weakreflist != NULL) { |
| 134 | PyObject_ClearWeakRefs((PyObject*)self); |
| 135 | } |
| 136 | |
Christian Heimes | 90aa764 | 2007-12-19 02:45:37 +0000 | [diff] [blame] | 137 | Py_TYPE(self)->tp_free((PyObject*)self); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 138 | } |
| 139 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 140 | PyObject* _pysqlite_get_converter(PyObject* key) |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 141 | { |
| 142 | PyObject* upcase_key; |
| 143 | PyObject* retval; |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 144 | _Py_IDENTIFIER(upper); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 145 | |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 146 | upcase_key = _PyObject_CallMethodId(key, &PyId_upper, ""); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 147 | if (!upcase_key) { |
| 148 | return NULL; |
| 149 | } |
| 150 | |
| 151 | retval = PyDict_GetItem(converters, upcase_key); |
| 152 | Py_DECREF(upcase_key); |
| 153 | |
| 154 | return retval; |
| 155 | } |
| 156 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 157 | int pysqlite_build_row_cast_map(pysqlite_Cursor* self) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 158 | { |
| 159 | int i; |
| 160 | const char* type_start = (const char*)-1; |
| 161 | const char* pos; |
| 162 | |
| 163 | const char* colname; |
| 164 | const char* decltype; |
| 165 | PyObject* py_decltype; |
| 166 | PyObject* converter; |
| 167 | PyObject* key; |
| 168 | |
| 169 | if (!self->connection->detect_types) { |
| 170 | return 0; |
| 171 | } |
| 172 | |
Serhiy Storchaka | 5a57ade | 2015-12-24 10:35:59 +0200 | [diff] [blame] | 173 | Py_SETREF(self->row_cast_map, PyList_New(0)); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 174 | |
| 175 | for (i = 0; i < sqlite3_column_count(self->statement->st); i++) { |
| 176 | converter = NULL; |
| 177 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 178 | if (self->connection->detect_types & PARSE_COLNAMES) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 179 | colname = sqlite3_column_name(self->statement->st, i); |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 180 | if (colname) { |
| 181 | for (pos = colname; *pos != 0; pos++) { |
| 182 | if (*pos == '[') { |
| 183 | type_start = pos + 1; |
| 184 | } else if (*pos == ']' && type_start != (const char*)-1) { |
Brett Cannon | 4043001 | 2007-10-22 20:24:51 +0000 | [diff] [blame] | 185 | key = PyUnicode_FromStringAndSize(type_start, pos - type_start); |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 186 | if (!key) { |
| 187 | /* creating a string failed, but it is too complicated |
| 188 | * to propagate the error here, we just assume there is |
| 189 | * no converter and proceed */ |
| 190 | break; |
| 191 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 192 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 193 | converter = _pysqlite_get_converter(key); |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 194 | Py_DECREF(key); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 195 | break; |
| 196 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 197 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 198 | } |
| 199 | } |
| 200 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 201 | if (!converter && self->connection->detect_types & PARSE_DECLTYPES) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 202 | decltype = sqlite3_column_decltype(self->statement->st, i); |
| 203 | if (decltype) { |
| 204 | for (pos = decltype;;pos++) { |
Christian Heimes | 81ee3ef | 2008-05-04 22:42:01 +0000 | [diff] [blame] | 205 | /* Converter names are split at '(' and blanks. |
| 206 | * This allows 'INTEGER NOT NULL' to be treated as 'INTEGER' and |
| 207 | * 'NUMBER(10)' to be treated as 'NUMBER', for example. |
| 208 | * In other words, it will work as people expect it to work.*/ |
| 209 | if (*pos == ' ' || *pos == '(' || *pos == 0) { |
Brett Cannon | 4043001 | 2007-10-22 20:24:51 +0000 | [diff] [blame] | 210 | py_decltype = PyUnicode_FromStringAndSize(decltype, pos - decltype); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 211 | if (!py_decltype) { |
| 212 | return -1; |
| 213 | } |
| 214 | break; |
| 215 | } |
| 216 | } |
| 217 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 218 | converter = _pysqlite_get_converter(py_decltype); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 219 | Py_DECREF(py_decltype); |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | if (!converter) { |
| 224 | converter = Py_None; |
| 225 | } |
| 226 | |
| 227 | if (PyList_Append(self->row_cast_map, converter) != 0) { |
| 228 | if (converter != Py_None) { |
| 229 | Py_DECREF(converter); |
| 230 | } |
Serhiy Storchaka | 505ff75 | 2014-02-09 13:33:53 +0200 | [diff] [blame] | 231 | Py_CLEAR(self->row_cast_map); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 232 | |
| 233 | return -1; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | return 0; |
| 238 | } |
| 239 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 240 | PyObject* _pysqlite_build_column_name(const char* colname) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 241 | { |
| 242 | const char* pos; |
| 243 | |
| 244 | if (!colname) { |
| 245 | Py_INCREF(Py_None); |
| 246 | return Py_None; |
| 247 | } |
| 248 | |
| 249 | for (pos = colname;; pos++) { |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 250 | if (*pos == 0 || *pos == '[') { |
| 251 | if ((*pos == '[') && (pos > colname) && (*(pos-1) == ' ')) { |
| 252 | pos--; |
| 253 | } |
Gerhard Häring | 6d21456 | 2007-08-10 18:15:11 +0000 | [diff] [blame] | 254 | return PyUnicode_FromStringAndSize(colname, pos - colname); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 255 | } |
| 256 | } |
| 257 | } |
| 258 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 259 | /* |
| 260 | * Returns a row from the currently active SQLite statement |
| 261 | * |
| 262 | * Precondidition: |
| 263 | * - sqlite3_step() has been called before and it returned SQLITE_ROW. |
| 264 | */ |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 265 | PyObject* _pysqlite_fetch_one_row(pysqlite_Cursor* self) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 266 | { |
| 267 | int i, numcols; |
| 268 | PyObject* row; |
| 269 | PyObject* item = NULL; |
| 270 | int coltype; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 271 | PyObject* converter; |
| 272 | PyObject* converted; |
| 273 | Py_ssize_t nbytes; |
| 274 | PyObject* buffer; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 275 | const char* val_str; |
| 276 | char buf[200]; |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 277 | const char* colname; |
Gerhard Häring | 873d9ff | 2008-02-29 22:22:09 +0000 | [diff] [blame] | 278 | PyObject* buf_bytes; |
| 279 | PyObject* error_obj; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 280 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 281 | if (self->reset) { |
| 282 | PyErr_SetString(pysqlite_InterfaceError, errmsg_fetch_across_rollback); |
| 283 | return NULL; |
| 284 | } |
| 285 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 286 | Py_BEGIN_ALLOW_THREADS |
| 287 | numcols = sqlite3_data_count(self->statement->st); |
| 288 | Py_END_ALLOW_THREADS |
| 289 | |
| 290 | row = PyTuple_New(numcols); |
Victor Stinner | 297d104 | 2014-06-26 23:32:00 +0200 | [diff] [blame] | 291 | if (!row) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 292 | return NULL; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 293 | |
| 294 | for (i = 0; i < numcols; i++) { |
| 295 | if (self->connection->detect_types) { |
| 296 | converter = PyList_GetItem(self->row_cast_map, i); |
| 297 | if (!converter) { |
| 298 | converter = Py_None; |
| 299 | } |
| 300 | } else { |
| 301 | converter = Py_None; |
| 302 | } |
| 303 | |
| 304 | if (converter != Py_None) { |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 305 | nbytes = sqlite3_column_bytes(self->statement->st, i); |
| 306 | val_str = (const char*)sqlite3_column_blob(self->statement->st, i); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 307 | if (!val_str) { |
| 308 | Py_INCREF(Py_None); |
| 309 | converted = Py_None; |
| 310 | } else { |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 311 | item = PyBytes_FromStringAndSize(val_str, nbytes); |
Victor Stinner | 297d104 | 2014-06-26 23:32:00 +0200 | [diff] [blame] | 312 | if (!item) |
| 313 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 314 | converted = PyObject_CallFunction(converter, "O", item); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 315 | Py_DECREF(item); |
Victor Stinner | 297d104 | 2014-06-26 23:32:00 +0200 | [diff] [blame] | 316 | if (!converted) |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 317 | break; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 318 | } |
| 319 | } else { |
| 320 | Py_BEGIN_ALLOW_THREADS |
| 321 | coltype = sqlite3_column_type(self->statement->st, i); |
| 322 | Py_END_ALLOW_THREADS |
| 323 | if (coltype == SQLITE_NULL) { |
| 324 | Py_INCREF(Py_None); |
| 325 | converted = Py_None; |
| 326 | } else if (coltype == SQLITE_INTEGER) { |
Serhiy Storchaka | 3cf96ac | 2013-02-07 17:01:47 +0200 | [diff] [blame] | 327 | converted = _pysqlite_long_from_int64(sqlite3_column_int64(self->statement->st, i)); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 328 | } else if (coltype == SQLITE_FLOAT) { |
| 329 | converted = PyFloat_FromDouble(sqlite3_column_double(self->statement->st, i)); |
| 330 | } else if (coltype == SQLITE_TEXT) { |
| 331 | val_str = (const char*)sqlite3_column_text(self->statement->st, i); |
Petri Lehtinen | 023fe33 | 2012-02-01 22:18:19 +0200 | [diff] [blame] | 332 | nbytes = sqlite3_column_bytes(self->statement->st, i); |
Petri Lehtinen | bc35beb | 2012-02-09 21:09:03 +0200 | [diff] [blame] | 333 | if (self->connection->text_factory == (PyObject*)&PyUnicode_Type) { |
| 334 | converted = PyUnicode_FromStringAndSize(val_str, nbytes); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 335 | if (!converted) { |
Victor Stinner | 4abda5d | 2013-07-18 01:54:37 +0200 | [diff] [blame] | 336 | PyErr_Clear(); |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 337 | colname = sqlite3_column_name(self->statement->st, i); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 338 | if (!colname) { |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 339 | colname = "<unknown column name>"; |
| 340 | } |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 341 | PyOS_snprintf(buf, sizeof(buf) - 1, "Could not decode to UTF-8 column '%s' with text '%s'", |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 342 | colname , val_str); |
Victor Stinner | 8699950 | 2010-05-19 01:27:23 +0000 | [diff] [blame] | 343 | buf_bytes = PyByteArray_FromStringAndSize(buf, strlen(buf)); |
Gerhard Häring | 873d9ff | 2008-02-29 22:22:09 +0000 | [diff] [blame] | 344 | if (!buf_bytes) { |
| 345 | PyErr_SetString(pysqlite_OperationalError, "Could not decode to UTF-8"); |
| 346 | } else { |
| 347 | error_obj = PyUnicode_FromEncodedObject(buf_bytes, "ascii", "replace"); |
| 348 | if (!error_obj) { |
| 349 | PyErr_SetString(pysqlite_OperationalError, "Could not decode to UTF-8"); |
Gerhard Häring | 873d9ff | 2008-02-29 22:22:09 +0000 | [diff] [blame] | 350 | } else { |
| 351 | PyErr_SetObject(pysqlite_OperationalError, error_obj); |
Gerhard Häring | e871ad59 | 2008-03-29 14:11:55 +0000 | [diff] [blame] | 352 | Py_DECREF(error_obj); |
Gerhard Häring | 873d9ff | 2008-02-29 22:22:09 +0000 | [diff] [blame] | 353 | } |
| 354 | Py_DECREF(buf_bytes); |
| 355 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 356 | } |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 357 | } else if (self->connection->text_factory == (PyObject*)&PyBytes_Type) { |
Petri Lehtinen | 023fe33 | 2012-02-01 22:18:19 +0200 | [diff] [blame] | 358 | converted = PyBytes_FromStringAndSize(val_str, nbytes); |
Christian Heimes | 9c4756e | 2008-05-26 13:22:05 +0000 | [diff] [blame] | 359 | } else if (self->connection->text_factory == (PyObject*)&PyByteArray_Type) { |
Petri Lehtinen | 023fe33 | 2012-02-01 22:18:19 +0200 | [diff] [blame] | 360 | converted = PyByteArray_FromStringAndSize(val_str, nbytes); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 361 | } else { |
Petri Lehtinen | 023fe33 | 2012-02-01 22:18:19 +0200 | [diff] [blame] | 362 | converted = PyObject_CallFunction(self->connection->text_factory, "y#", val_str, nbytes); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 363 | } |
| 364 | } else { |
| 365 | /* coltype == SQLITE_BLOB */ |
| 366 | nbytes = sqlite3_column_bytes(self->statement->st, i); |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 367 | buffer = PyBytes_FromStringAndSize( |
Guido van Rossum | bae07c9 | 2007-10-08 02:46:15 +0000 | [diff] [blame] | 368 | sqlite3_column_blob(self->statement->st, i), nbytes); |
Victor Stinner | 297d104 | 2014-06-26 23:32:00 +0200 | [diff] [blame] | 369 | if (!buffer) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 370 | break; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 371 | converted = buffer; |
| 372 | } |
| 373 | } |
| 374 | |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 375 | if (converted) { |
| 376 | PyTuple_SetItem(row, i, converted); |
| 377 | } else { |
| 378 | Py_INCREF(Py_None); |
| 379 | PyTuple_SetItem(row, i, Py_None); |
| 380 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 381 | } |
| 382 | |
Victor Stinner | 297d104 | 2014-06-26 23:32:00 +0200 | [diff] [blame] | 383 | if (PyErr_Occurred()) |
| 384 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 385 | |
| 386 | return row; |
Victor Stinner | 297d104 | 2014-06-26 23:32:00 +0200 | [diff] [blame] | 387 | |
| 388 | error: |
| 389 | Py_DECREF(row); |
| 390 | return NULL; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 391 | } |
| 392 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 393 | /* |
| 394 | * Checks if a cursor object is usable. |
| 395 | * |
| 396 | * 0 => error; 1 => ok |
| 397 | */ |
| 398 | static int check_cursor(pysqlite_Cursor* cur) |
| 399 | { |
| 400 | if (!cur->initialized) { |
| 401 | PyErr_SetString(pysqlite_ProgrammingError, "Base Cursor.__init__ not called."); |
| 402 | return 0; |
| 403 | } |
| 404 | |
| 405 | if (cur->closed) { |
| 406 | PyErr_SetString(pysqlite_ProgrammingError, "Cannot operate on a closed cursor."); |
| 407 | return 0; |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 408 | } |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 409 | |
| 410 | if (cur->locked) { |
| 411 | PyErr_SetString(pysqlite_ProgrammingError, "Recursive use of cursors not allowed."); |
| 412 | return 0; |
| 413 | } |
| 414 | |
| 415 | return pysqlite_check_thread(cur->connection) && pysqlite_check_connection(cur->connection); |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 416 | } |
| 417 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 418 | PyObject* _pysqlite_query_execute(pysqlite_Cursor* self, int multiple, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 419 | { |
| 420 | PyObject* operation; |
Guido van Rossum | 83857e3 | 2007-05-09 23:37:01 +0000 | [diff] [blame] | 421 | const char* operation_cstr; |
| 422 | Py_ssize_t operation_len; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 423 | PyObject* parameters_list = NULL; |
| 424 | PyObject* parameters_iter = NULL; |
| 425 | PyObject* parameters = NULL; |
| 426 | int i; |
| 427 | int rc; |
| 428 | PyObject* func_args; |
| 429 | PyObject* result; |
| 430 | int numcols; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 431 | int statement_type; |
| 432 | PyObject* descriptor; |
| 433 | PyObject* second_argument = NULL; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 434 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 435 | if (!check_cursor(self)) { |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 436 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 437 | } |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 438 | |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 439 | self->locked = 1; |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 440 | self->reset = 0; |
| 441 | |
Serhiy Storchaka | 505ff75 | 2014-02-09 13:33:53 +0200 | [diff] [blame] | 442 | Py_CLEAR(self->next_row); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 443 | |
| 444 | if (multiple) { |
| 445 | /* executemany() */ |
| 446 | if (!PyArg_ParseTuple(args, "OO", &operation, &second_argument)) { |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 447 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 448 | } |
| 449 | |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 450 | if (!PyUnicode_Check(operation)) { |
| 451 | PyErr_SetString(PyExc_ValueError, "operation parameter must be str"); |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 452 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 453 | } |
| 454 | |
| 455 | if (PyIter_Check(second_argument)) { |
| 456 | /* iterator */ |
| 457 | Py_INCREF(second_argument); |
| 458 | parameters_iter = second_argument; |
| 459 | } else { |
| 460 | /* sequence */ |
| 461 | parameters_iter = PyObject_GetIter(second_argument); |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 462 | if (!parameters_iter) { |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 463 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 464 | } |
| 465 | } |
| 466 | } else { |
| 467 | /* execute() */ |
| 468 | if (!PyArg_ParseTuple(args, "O|O", &operation, &second_argument)) { |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 469 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 470 | } |
| 471 | |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 472 | if (!PyUnicode_Check(operation)) { |
| 473 | PyErr_SetString(PyExc_ValueError, "operation parameter must be str"); |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 474 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 475 | } |
| 476 | |
| 477 | parameters_list = PyList_New(0); |
| 478 | if (!parameters_list) { |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 479 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 480 | } |
| 481 | |
| 482 | if (second_argument == NULL) { |
| 483 | second_argument = PyTuple_New(0); |
| 484 | if (!second_argument) { |
| 485 | goto error; |
| 486 | } |
| 487 | } else { |
| 488 | Py_INCREF(second_argument); |
| 489 | } |
| 490 | if (PyList_Append(parameters_list, second_argument) != 0) { |
| 491 | Py_DECREF(second_argument); |
| 492 | goto error; |
| 493 | } |
| 494 | Py_DECREF(second_argument); |
| 495 | |
| 496 | parameters_iter = PyObject_GetIter(parameters_list); |
| 497 | if (!parameters_iter) { |
| 498 | goto error; |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | if (self->statement != NULL) { |
| 503 | /* There is an active statement */ |
Brett Cannon | b94767f | 2011-02-22 20:15:44 +0000 | [diff] [blame] | 504 | pysqlite_statement_reset(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 505 | } |
| 506 | |
Marc-André Lemburg | 4cc0f24 | 2008-08-07 18:54:33 +0000 | [diff] [blame] | 507 | operation_cstr = _PyUnicode_AsStringAndSize(operation, &operation_len); |
Victor Stinner | 8699950 | 2010-05-19 01:27:23 +0000 | [diff] [blame] | 508 | if (operation_cstr == NULL) |
Guido van Rossum | 83857e3 | 2007-05-09 23:37:01 +0000 | [diff] [blame] | 509 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 510 | |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 511 | /* reset description and rowcount */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 512 | Py_INCREF(Py_None); |
Serhiy Storchaka | 5a57ade | 2015-12-24 10:35:59 +0200 | [diff] [blame] | 513 | Py_SETREF(self->description, Py_None); |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 514 | self->rowcount = -1L; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 515 | |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 516 | func_args = PyTuple_New(1); |
| 517 | if (!func_args) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 518 | goto error; |
| 519 | } |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 520 | Py_INCREF(operation); |
| 521 | if (PyTuple_SetItem(func_args, 0, operation) != 0) { |
| 522 | goto error; |
| 523 | } |
| 524 | |
| 525 | if (self->statement) { |
| 526 | (void)pysqlite_statement_reset(self->statement); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 527 | } |
| 528 | |
Serhiy Storchaka | 191321d | 2015-12-27 15:41:34 +0200 | [diff] [blame^] | 529 | Py_SETREF(self->statement, |
| 530 | (pysqlite_Statement *)pysqlite_cache_get(self->connection->statement_cache, func_args)); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 531 | Py_DECREF(func_args); |
| 532 | |
| 533 | if (!self->statement) { |
| 534 | goto error; |
| 535 | } |
| 536 | |
| 537 | if (self->statement->in_use) { |
Serhiy Storchaka | 5a57ade | 2015-12-24 10:35:59 +0200 | [diff] [blame] | 538 | Py_SETREF(self->statement, |
| 539 | PyObject_New(pysqlite_Statement, &pysqlite_StatementType)); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 540 | if (!self->statement) { |
| 541 | goto error; |
| 542 | } |
| 543 | rc = pysqlite_statement_create(self->statement, self->connection, operation); |
| 544 | if (rc != SQLITE_OK) { |
Alexandre Vassalotti | 1839bac | 2008-07-13 21:57:48 +0000 | [diff] [blame] | 545 | Py_CLEAR(self->statement); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 546 | goto error; |
| 547 | } |
| 548 | } |
| 549 | |
| 550 | pysqlite_statement_reset(self->statement); |
| 551 | pysqlite_statement_mark_dirty(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 552 | |
| 553 | statement_type = detect_statement_type(operation_cstr); |
| 554 | if (self->connection->begin_statement) { |
| 555 | switch (statement_type) { |
| 556 | case STATEMENT_UPDATE: |
| 557 | case STATEMENT_DELETE: |
| 558 | case STATEMENT_INSERT: |
| 559 | case STATEMENT_REPLACE: |
| 560 | if (!self->connection->inTransaction) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 561 | result = _pysqlite_connection_begin(self->connection); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 562 | if (!result) { |
| 563 | goto error; |
| 564 | } |
| 565 | Py_DECREF(result); |
| 566 | } |
| 567 | break; |
| 568 | case STATEMENT_OTHER: |
| 569 | /* it's a DDL statement or something similar |
| 570 | - we better COMMIT first so it works for all cases */ |
| 571 | if (self->connection->inTransaction) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 572 | result = pysqlite_connection_commit(self->connection, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 573 | if (!result) { |
| 574 | goto error; |
| 575 | } |
| 576 | Py_DECREF(result); |
| 577 | } |
| 578 | break; |
| 579 | case STATEMENT_SELECT: |
| 580 | if (multiple) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 581 | PyErr_SetString(pysqlite_ProgrammingError, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 582 | "You cannot execute SELECT statements in executemany()."); |
| 583 | goto error; |
| 584 | } |
| 585 | break; |
| 586 | } |
| 587 | } |
| 588 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 589 | |
| 590 | while (1) { |
| 591 | parameters = PyIter_Next(parameters_iter); |
| 592 | if (!parameters) { |
| 593 | break; |
| 594 | } |
| 595 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 596 | pysqlite_statement_mark_dirty(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 597 | |
Petri Lehtinen | bc35beb | 2012-02-09 21:09:03 +0200 | [diff] [blame] | 598 | pysqlite_statement_bind_parameters(self->statement, parameters); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 599 | if (PyErr_Occurred()) { |
| 600 | goto error; |
| 601 | } |
| 602 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 603 | /* Keep trying the SQL statement until the schema stops changing. */ |
| 604 | while (1) { |
| 605 | /* Actually execute the SQL statement. */ |
Benjamin Peterson | d7b0328 | 2008-09-13 15:58:53 +0000 | [diff] [blame] | 606 | rc = pysqlite_step(self->statement->st, self->connection); |
Victor Stinner | 297d104 | 2014-06-26 23:32:00 +0200 | [diff] [blame] | 607 | if (PyErr_Occurred()) { |
| 608 | (void)pysqlite_statement_reset(self->statement); |
| 609 | goto error; |
| 610 | } |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 611 | if (rc == SQLITE_DONE || rc == SQLITE_ROW) { |
| 612 | /* If it worked, let's get out of the loop */ |
| 613 | break; |
| 614 | } |
| 615 | /* Something went wrong. Re-set the statement and try again. */ |
| 616 | rc = pysqlite_statement_reset(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 617 | if (rc == SQLITE_SCHEMA) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 618 | /* If this was a result of the schema changing, let's try |
| 619 | again. */ |
| 620 | rc = pysqlite_statement_recompile(self->statement, parameters); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 621 | if (rc == SQLITE_OK) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 622 | continue; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 623 | } else { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 624 | /* If the database gave us an error, promote it to Python. */ |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 625 | (void)pysqlite_statement_reset(self->statement); |
| 626 | _pysqlite_seterror(self->connection->db, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 627 | goto error; |
| 628 | } |
| 629 | } else { |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 630 | if (PyErr_Occurred()) { |
| 631 | /* there was an error that occurred in a user-defined callback */ |
| 632 | if (_enable_callback_tracebacks) { |
| 633 | PyErr_Print(); |
| 634 | } else { |
| 635 | PyErr_Clear(); |
| 636 | } |
| 637 | } |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 638 | (void)pysqlite_statement_reset(self->statement); |
| 639 | _pysqlite_seterror(self->connection->db, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 640 | goto error; |
| 641 | } |
| 642 | } |
| 643 | |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 644 | if (pysqlite_build_row_cast_map(self) != 0) { |
| 645 | PyErr_SetString(pysqlite_OperationalError, "Error while building row_cast_map"); |
| 646 | goto error; |
| 647 | } |
| 648 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 649 | if (rc == SQLITE_ROW || (rc == SQLITE_DONE && statement_type == STATEMENT_SELECT)) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 650 | if (self->description == Py_None) { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 651 | Py_BEGIN_ALLOW_THREADS |
| 652 | numcols = sqlite3_column_count(self->statement->st); |
| 653 | Py_END_ALLOW_THREADS |
| 654 | |
Serhiy Storchaka | 5a57ade | 2015-12-24 10:35:59 +0200 | [diff] [blame] | 655 | Py_SETREF(self->description, PyTuple_New(numcols)); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 656 | if (!self->description) { |
| 657 | goto error; |
| 658 | } |
| 659 | for (i = 0; i < numcols; i++) { |
| 660 | descriptor = PyTuple_New(7); |
| 661 | if (!descriptor) { |
| 662 | goto error; |
| 663 | } |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 664 | PyTuple_SetItem(descriptor, 0, _pysqlite_build_column_name(sqlite3_column_name(self->statement->st, i))); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 665 | Py_INCREF(Py_None); PyTuple_SetItem(descriptor, 1, Py_None); |
| 666 | Py_INCREF(Py_None); PyTuple_SetItem(descriptor, 2, Py_None); |
| 667 | Py_INCREF(Py_None); PyTuple_SetItem(descriptor, 3, Py_None); |
| 668 | Py_INCREF(Py_None); PyTuple_SetItem(descriptor, 4, Py_None); |
| 669 | Py_INCREF(Py_None); PyTuple_SetItem(descriptor, 5, Py_None); |
| 670 | Py_INCREF(Py_None); PyTuple_SetItem(descriptor, 6, Py_None); |
| 671 | PyTuple_SetItem(self->description, i, descriptor); |
| 672 | } |
| 673 | } |
| 674 | } |
| 675 | |
| 676 | if (rc == SQLITE_ROW) { |
| 677 | if (multiple) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 678 | PyErr_SetString(pysqlite_ProgrammingError, "executemany() can only execute DML statements."); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 679 | goto error; |
| 680 | } |
| 681 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 682 | self->next_row = _pysqlite_fetch_one_row(self); |
Victor Stinner | 297d104 | 2014-06-26 23:32:00 +0200 | [diff] [blame] | 683 | if (self->next_row == NULL) |
| 684 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 685 | } else if (rc == SQLITE_DONE && !multiple) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 686 | pysqlite_statement_reset(self->statement); |
Alexandre Vassalotti | 1839bac | 2008-07-13 21:57:48 +0000 | [diff] [blame] | 687 | Py_CLEAR(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 688 | } |
| 689 | |
| 690 | switch (statement_type) { |
| 691 | case STATEMENT_UPDATE: |
| 692 | case STATEMENT_DELETE: |
| 693 | case STATEMENT_INSERT: |
| 694 | case STATEMENT_REPLACE: |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 695 | if (self->rowcount == -1L) { |
| 696 | self->rowcount = 0L; |
| 697 | } |
| 698 | self->rowcount += (long)sqlite3_changes(self->connection->db); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 699 | } |
| 700 | |
| 701 | Py_DECREF(self->lastrowid); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 702 | if (!multiple && statement_type == STATEMENT_INSERT) { |
Serhiy Storchaka | d160b12 | 2013-04-28 14:10:27 +0300 | [diff] [blame] | 703 | sqlite_int64 lastrowid; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 704 | Py_BEGIN_ALLOW_THREADS |
| 705 | lastrowid = sqlite3_last_insert_rowid(self->connection->db); |
| 706 | Py_END_ALLOW_THREADS |
Serhiy Storchaka | 3cf96ac | 2013-02-07 17:01:47 +0200 | [diff] [blame] | 707 | self->lastrowid = _pysqlite_long_from_int64(lastrowid); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 708 | } else { |
| 709 | Py_INCREF(Py_None); |
| 710 | self->lastrowid = Py_None; |
| 711 | } |
| 712 | |
| 713 | if (multiple) { |
Brett Cannon | b94767f | 2011-02-22 20:15:44 +0000 | [diff] [blame] | 714 | pysqlite_statement_reset(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 715 | } |
| 716 | Py_XDECREF(parameters); |
| 717 | } |
| 718 | |
| 719 | error: |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 720 | /* just to be sure (implicit ROLLBACKs with ON CONFLICT ROLLBACK/OR |
| 721 | * ROLLBACK could have happened */ |
| 722 | #ifdef SQLITE_VERSION_NUMBER |
| 723 | #if SQLITE_VERSION_NUMBER >= 3002002 |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 724 | if (self->connection && self->connection->db) |
| 725 | self->connection->inTransaction = !sqlite3_get_autocommit(self->connection->db); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 726 | #endif |
| 727 | #endif |
| 728 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 729 | Py_XDECREF(parameters); |
| 730 | Py_XDECREF(parameters_iter); |
| 731 | Py_XDECREF(parameters_list); |
| 732 | |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 733 | self->locked = 0; |
| 734 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 735 | if (PyErr_Occurred()) { |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 736 | self->rowcount = -1L; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 737 | return NULL; |
| 738 | } else { |
| 739 | Py_INCREF(self); |
| 740 | return (PyObject*)self; |
| 741 | } |
| 742 | } |
| 743 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 744 | PyObject* pysqlite_cursor_execute(pysqlite_Cursor* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 745 | { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 746 | return _pysqlite_query_execute(self, 0, args); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 747 | } |
| 748 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 749 | PyObject* pysqlite_cursor_executemany(pysqlite_Cursor* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 750 | { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 751 | return _pysqlite_query_execute(self, 1, args); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 752 | } |
| 753 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 754 | PyObject* pysqlite_cursor_executescript(pysqlite_Cursor* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 755 | { |
| 756 | PyObject* script_obj; |
| 757 | PyObject* script_str = NULL; |
| 758 | const char* script_cstr; |
| 759 | sqlite3_stmt* statement; |
| 760 | int rc; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 761 | PyObject* result; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 762 | |
| 763 | if (!PyArg_ParseTuple(args, "O", &script_obj)) { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 764 | return NULL; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 765 | } |
| 766 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 767 | if (!check_cursor(self)) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 768 | return NULL; |
| 769 | } |
| 770 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 771 | self->reset = 0; |
| 772 | |
Gerhard Häring | 6d21456 | 2007-08-10 18:15:11 +0000 | [diff] [blame] | 773 | if (PyUnicode_Check(script_obj)) { |
Marc-André Lemburg | 4cc0f24 | 2008-08-07 18:54:33 +0000 | [diff] [blame] | 774 | script_cstr = _PyUnicode_AsString(script_obj); |
Gerhard Häring | 6d21456 | 2007-08-10 18:15:11 +0000 | [diff] [blame] | 775 | if (!script_cstr) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 776 | return NULL; |
| 777 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 778 | } else { |
Gerhard Häring | 6d21456 | 2007-08-10 18:15:11 +0000 | [diff] [blame] | 779 | PyErr_SetString(PyExc_ValueError, "script argument must be unicode."); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 780 | return NULL; |
| 781 | } |
| 782 | |
| 783 | /* commit first */ |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 784 | result = pysqlite_connection_commit(self->connection, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 785 | if (!result) { |
| 786 | goto error; |
| 787 | } |
| 788 | Py_DECREF(result); |
| 789 | |
| 790 | while (1) { |
Benjamin Peterson | d7b0328 | 2008-09-13 15:58:53 +0000 | [diff] [blame] | 791 | Py_BEGIN_ALLOW_THREADS |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 792 | rc = sqlite3_prepare(self->connection->db, |
| 793 | script_cstr, |
| 794 | -1, |
| 795 | &statement, |
| 796 | &script_cstr); |
Benjamin Peterson | d7b0328 | 2008-09-13 15:58:53 +0000 | [diff] [blame] | 797 | Py_END_ALLOW_THREADS |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 798 | if (rc != SQLITE_OK) { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 799 | _pysqlite_seterror(self->connection->db, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 800 | goto error; |
| 801 | } |
| 802 | |
| 803 | /* execute statement, and ignore results of SELECT statements */ |
| 804 | rc = SQLITE_ROW; |
| 805 | while (rc == SQLITE_ROW) { |
Benjamin Peterson | d7b0328 | 2008-09-13 15:58:53 +0000 | [diff] [blame] | 806 | rc = pysqlite_step(statement, self->connection); |
Victor Stinner | 297d104 | 2014-06-26 23:32:00 +0200 | [diff] [blame] | 807 | if (PyErr_Occurred()) { |
| 808 | (void)sqlite3_finalize(statement); |
| 809 | goto error; |
| 810 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 811 | } |
| 812 | |
| 813 | if (rc != SQLITE_DONE) { |
| 814 | (void)sqlite3_finalize(statement); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 815 | _pysqlite_seterror(self->connection->db, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 816 | goto error; |
| 817 | } |
| 818 | |
| 819 | rc = sqlite3_finalize(statement); |
| 820 | if (rc != SQLITE_OK) { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 821 | _pysqlite_seterror(self->connection->db, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 822 | goto error; |
| 823 | } |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 824 | |
| 825 | if (*script_cstr == (char)0) { |
| 826 | break; |
| 827 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 828 | } |
| 829 | |
| 830 | error: |
| 831 | Py_XDECREF(script_str); |
| 832 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 833 | if (PyErr_Occurred()) { |
| 834 | return NULL; |
| 835 | } else { |
| 836 | Py_INCREF(self); |
| 837 | return (PyObject*)self; |
| 838 | } |
| 839 | } |
| 840 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 841 | PyObject* pysqlite_cursor_getiter(pysqlite_Cursor *self) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 842 | { |
| 843 | Py_INCREF(self); |
| 844 | return (PyObject*)self; |
| 845 | } |
| 846 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 847 | PyObject* pysqlite_cursor_iternext(pysqlite_Cursor *self) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 848 | { |
| 849 | PyObject* next_row_tuple; |
| 850 | PyObject* next_row; |
| 851 | int rc; |
| 852 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 853 | if (!check_cursor(self)) { |
| 854 | return NULL; |
| 855 | } |
| 856 | |
| 857 | if (self->reset) { |
| 858 | PyErr_SetString(pysqlite_InterfaceError, errmsg_fetch_across_rollback); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 859 | return NULL; |
| 860 | } |
| 861 | |
| 862 | if (!self->next_row) { |
| 863 | if (self->statement) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 864 | (void)pysqlite_statement_reset(self->statement); |
Serhiy Storchaka | 505ff75 | 2014-02-09 13:33:53 +0200 | [diff] [blame] | 865 | Py_CLEAR(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 866 | } |
| 867 | return NULL; |
| 868 | } |
| 869 | |
| 870 | next_row_tuple = self->next_row; |
Victor Stinner | 85a12a8 | 2013-11-05 14:50:30 +0100 | [diff] [blame] | 871 | assert(next_row_tuple != NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 872 | self->next_row = NULL; |
| 873 | |
| 874 | if (self->row_factory != Py_None) { |
| 875 | next_row = PyObject_CallFunction(self->row_factory, "OO", self, next_row_tuple); |
Victor Stinner | 85a12a8 | 2013-11-05 14:50:30 +0100 | [diff] [blame] | 876 | if (next_row == NULL) { |
| 877 | self->next_row = next_row_tuple; |
| 878 | return NULL; |
| 879 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 880 | Py_DECREF(next_row_tuple); |
| 881 | } else { |
| 882 | next_row = next_row_tuple; |
| 883 | } |
| 884 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 885 | if (self->statement) { |
Benjamin Peterson | d7b0328 | 2008-09-13 15:58:53 +0000 | [diff] [blame] | 886 | rc = pysqlite_step(self->statement->st, self->connection); |
Victor Stinner | 297d104 | 2014-06-26 23:32:00 +0200 | [diff] [blame] | 887 | if (PyErr_Occurred()) { |
| 888 | (void)pysqlite_statement_reset(self->statement); |
| 889 | Py_DECREF(next_row); |
| 890 | return NULL; |
| 891 | } |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 892 | if (rc != SQLITE_DONE && rc != SQLITE_ROW) { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 893 | (void)pysqlite_statement_reset(self->statement); |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 894 | Py_DECREF(next_row); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 895 | _pysqlite_seterror(self->connection->db, NULL); |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 896 | return NULL; |
| 897 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 898 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 899 | if (rc == SQLITE_ROW) { |
| 900 | self->next_row = _pysqlite_fetch_one_row(self); |
Victor Stinner | dd4b299 | 2013-11-05 14:30:11 +0100 | [diff] [blame] | 901 | if (self->next_row == NULL) { |
| 902 | (void)pysqlite_statement_reset(self->statement); |
Victor Stinner | dd4b299 | 2013-11-05 14:30:11 +0100 | [diff] [blame] | 903 | return NULL; |
| 904 | } |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 905 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 906 | } |
| 907 | |
| 908 | return next_row; |
| 909 | } |
| 910 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 911 | PyObject* pysqlite_cursor_fetchone(pysqlite_Cursor* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 912 | { |
| 913 | PyObject* row; |
| 914 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 915 | row = pysqlite_cursor_iternext(self); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 916 | if (!row && !PyErr_Occurred()) { |
| 917 | Py_INCREF(Py_None); |
| 918 | return Py_None; |
| 919 | } |
| 920 | |
| 921 | return row; |
| 922 | } |
| 923 | |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 924 | PyObject* pysqlite_cursor_fetchmany(pysqlite_Cursor* self, PyObject* args, PyObject* kwargs) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 925 | { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 926 | static char *kwlist[] = {"size", NULL, NULL}; |
| 927 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 928 | PyObject* row; |
| 929 | PyObject* list; |
| 930 | int maxrows = self->arraysize; |
| 931 | int counter = 0; |
| 932 | |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 933 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i:fetchmany", kwlist, &maxrows)) { |
| 934 | return NULL; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 935 | } |
| 936 | |
| 937 | list = PyList_New(0); |
| 938 | if (!list) { |
| 939 | return NULL; |
| 940 | } |
| 941 | |
| 942 | /* just make sure we enter the loop */ |
| 943 | row = Py_None; |
| 944 | |
| 945 | while (row) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 946 | row = pysqlite_cursor_iternext(self); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 947 | if (row) { |
| 948 | PyList_Append(list, row); |
| 949 | Py_DECREF(row); |
| 950 | } else { |
| 951 | break; |
| 952 | } |
| 953 | |
| 954 | if (++counter == maxrows) { |
| 955 | break; |
| 956 | } |
| 957 | } |
| 958 | |
| 959 | if (PyErr_Occurred()) { |
| 960 | Py_DECREF(list); |
| 961 | return NULL; |
| 962 | } else { |
| 963 | return list; |
| 964 | } |
| 965 | } |
| 966 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 967 | PyObject* pysqlite_cursor_fetchall(pysqlite_Cursor* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 968 | { |
| 969 | PyObject* row; |
| 970 | PyObject* list; |
| 971 | |
| 972 | list = PyList_New(0); |
| 973 | if (!list) { |
| 974 | return NULL; |
| 975 | } |
| 976 | |
| 977 | /* just make sure we enter the loop */ |
| 978 | row = (PyObject*)Py_None; |
| 979 | |
| 980 | while (row) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 981 | row = pysqlite_cursor_iternext(self); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 982 | if (row) { |
| 983 | PyList_Append(list, row); |
| 984 | Py_DECREF(row); |
| 985 | } |
| 986 | } |
| 987 | |
| 988 | if (PyErr_Occurred()) { |
| 989 | Py_DECREF(list); |
| 990 | return NULL; |
| 991 | } else { |
| 992 | return list; |
| 993 | } |
| 994 | } |
| 995 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 996 | PyObject* pysqlite_noop(pysqlite_Connection* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 997 | { |
| 998 | /* don't care, return None */ |
| 999 | Py_INCREF(Py_None); |
| 1000 | return Py_None; |
| 1001 | } |
| 1002 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1003 | PyObject* pysqlite_cursor_close(pysqlite_Cursor* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1004 | { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1005 | if (!pysqlite_check_thread(self->connection) || !pysqlite_check_connection(self->connection)) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1006 | return NULL; |
| 1007 | } |
| 1008 | |
| 1009 | if (self->statement) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1010 | (void)pysqlite_statement_reset(self->statement); |
Alexandre Vassalotti | 1839bac | 2008-07-13 21:57:48 +0000 | [diff] [blame] | 1011 | Py_CLEAR(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1012 | } |
| 1013 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 1014 | self->closed = 1; |
| 1015 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1016 | Py_INCREF(Py_None); |
| 1017 | return Py_None; |
| 1018 | } |
| 1019 | |
| 1020 | static PyMethodDef cursor_methods[] = { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1021 | {"execute", (PyCFunction)pysqlite_cursor_execute, METH_VARARGS, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1022 | PyDoc_STR("Executes a SQL statement.")}, |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1023 | {"executemany", (PyCFunction)pysqlite_cursor_executemany, METH_VARARGS, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1024 | PyDoc_STR("Repeatedly executes a SQL statement.")}, |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1025 | {"executescript", (PyCFunction)pysqlite_cursor_executescript, METH_VARARGS, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1026 | PyDoc_STR("Executes a multiple SQL statements at once. Non-standard.")}, |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1027 | {"fetchone", (PyCFunction)pysqlite_cursor_fetchone, METH_NOARGS, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1028 | PyDoc_STR("Fetches one row from the resultset.")}, |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 1029 | {"fetchmany", (PyCFunction)pysqlite_cursor_fetchmany, METH_VARARGS|METH_KEYWORDS, |
Christian Heimes | fdab48e | 2008-01-20 09:06:41 +0000 | [diff] [blame] | 1030 | PyDoc_STR("Fetches several rows from the resultset.")}, |
| 1031 | {"fetchall", (PyCFunction)pysqlite_cursor_fetchall, METH_NOARGS, |
| 1032 | PyDoc_STR("Fetches all rows from the resultset.")}, |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1033 | {"close", (PyCFunction)pysqlite_cursor_close, METH_NOARGS, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1034 | PyDoc_STR("Closes the cursor.")}, |
| 1035 | {"setinputsizes", (PyCFunction)pysqlite_noop, METH_VARARGS, |
| 1036 | PyDoc_STR("Required by DB-API. Does nothing in pysqlite.")}, |
| 1037 | {"setoutputsize", (PyCFunction)pysqlite_noop, METH_VARARGS, |
| 1038 | PyDoc_STR("Required by DB-API. Does nothing in pysqlite.")}, |
| 1039 | {NULL, NULL} |
| 1040 | }; |
| 1041 | |
| 1042 | static struct PyMemberDef cursor_members[] = |
| 1043 | { |
Guido van Rossum | 10f07c4 | 2007-08-11 15:32:55 +0000 | [diff] [blame] | 1044 | {"connection", T_OBJECT, offsetof(pysqlite_Cursor, connection), READONLY}, |
| 1045 | {"description", T_OBJECT, offsetof(pysqlite_Cursor, description), READONLY}, |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1046 | {"arraysize", T_INT, offsetof(pysqlite_Cursor, arraysize), 0}, |
Guido van Rossum | 10f07c4 | 2007-08-11 15:32:55 +0000 | [diff] [blame] | 1047 | {"lastrowid", T_OBJECT, offsetof(pysqlite_Cursor, lastrowid), READONLY}, |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 1048 | {"rowcount", T_LONG, offsetof(pysqlite_Cursor, rowcount), READONLY}, |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1049 | {"row_factory", T_OBJECT, offsetof(pysqlite_Cursor, row_factory), 0}, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1050 | {NULL} |
| 1051 | }; |
| 1052 | |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 1053 | static char cursor_doc[] = |
| 1054 | PyDoc_STR("SQLite database cursor class."); |
| 1055 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1056 | PyTypeObject pysqlite_CursorType = { |
Martin v. Löwis | 9f2e346 | 2007-07-21 17:22:18 +0000 | [diff] [blame] | 1057 | PyVarObject_HEAD_INIT(NULL, 0) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1058 | MODULE_NAME ".Cursor", /* tp_name */ |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1059 | sizeof(pysqlite_Cursor), /* tp_basicsize */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1060 | 0, /* tp_itemsize */ |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1061 | (destructor)pysqlite_cursor_dealloc, /* tp_dealloc */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1062 | 0, /* tp_print */ |
| 1063 | 0, /* tp_getattr */ |
| 1064 | 0, /* tp_setattr */ |
Mark Dickinson | e94c679 | 2009-02-02 20:36:42 +0000 | [diff] [blame] | 1065 | 0, /* tp_reserved */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1066 | 0, /* tp_repr */ |
| 1067 | 0, /* tp_as_number */ |
| 1068 | 0, /* tp_as_sequence */ |
| 1069 | 0, /* tp_as_mapping */ |
| 1070 | 0, /* tp_hash */ |
| 1071 | 0, /* tp_call */ |
| 1072 | 0, /* tp_str */ |
| 1073 | 0, /* tp_getattro */ |
| 1074 | 0, /* tp_setattro */ |
| 1075 | 0, /* tp_as_buffer */ |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 1076 | Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /* tp_flags */ |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 1077 | cursor_doc, /* tp_doc */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1078 | 0, /* tp_traverse */ |
| 1079 | 0, /* tp_clear */ |
| 1080 | 0, /* tp_richcompare */ |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 1081 | offsetof(pysqlite_Cursor, in_weakreflist), /* tp_weaklistoffset */ |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1082 | (getiterfunc)pysqlite_cursor_getiter, /* tp_iter */ |
| 1083 | (iternextfunc)pysqlite_cursor_iternext, /* tp_iternext */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1084 | cursor_methods, /* tp_methods */ |
| 1085 | cursor_members, /* tp_members */ |
| 1086 | 0, /* tp_getset */ |
| 1087 | 0, /* tp_base */ |
| 1088 | 0, /* tp_dict */ |
| 1089 | 0, /* tp_descr_get */ |
| 1090 | 0, /* tp_descr_set */ |
| 1091 | 0, /* tp_dictoffset */ |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1092 | (initproc)pysqlite_cursor_init, /* tp_init */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1093 | 0, /* tp_alloc */ |
| 1094 | 0, /* tp_new */ |
| 1095 | 0 /* tp_free */ |
| 1096 | }; |
| 1097 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1098 | extern int pysqlite_cursor_setup_types(void) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1099 | { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1100 | pysqlite_CursorType.tp_new = PyType_GenericNew; |
| 1101 | return PyType_Ready(&pysqlite_CursorType); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1102 | } |