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" |
| 27 | #include "sqlitecompat.h" |
| 28 | |
Christian Heimes | 217cfd1 | 2007-12-02 14:31:20 +0000 | [diff] [blame] | 29 | /* used to decide wether to call PyLong_FromLong or PyLong_FromLongLong */ |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 30 | #ifndef INT32_MIN |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 31 | #define INT32_MIN (-2147483647 - 1) |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 32 | #endif |
| 33 | #ifndef INT32_MAX |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 34 | #define INT32_MAX 2147483647 |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 35 | #endif |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 36 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 37 | PyObject* pysqlite_cursor_iternext(pysqlite_Cursor* self); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 38 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 39 | static char* errmsg_fetch_across_rollback = "Cursor needed to be reset because of commit/rollback and can no longer be fetched from."; |
| 40 | |
Guido van Rossum | 6374bb5 | 2007-06-13 16:28:25 +0000 | [diff] [blame] | 41 | static pysqlite_StatementKind detect_statement_type(const char* statement) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 42 | { |
| 43 | char buf[20]; |
Guido van Rossum | 6374bb5 | 2007-06-13 16:28:25 +0000 | [diff] [blame] | 44 | const char* src; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 45 | char* dst; |
| 46 | |
| 47 | src = statement; |
| 48 | /* skip over whitepace */ |
| 49 | while (*src == '\r' || *src == '\n' || *src == ' ' || *src == '\t') { |
| 50 | src++; |
| 51 | } |
| 52 | |
| 53 | if (*src == 0) |
| 54 | return STATEMENT_INVALID; |
| 55 | |
| 56 | dst = buf; |
| 57 | *dst = 0; |
| 58 | while (isalpha(*src) && dst - buf < sizeof(buf) - 2) { |
| 59 | *dst++ = tolower(*src++); |
| 60 | } |
| 61 | |
| 62 | *dst = 0; |
| 63 | |
| 64 | if (!strcmp(buf, "select")) { |
| 65 | return STATEMENT_SELECT; |
| 66 | } else if (!strcmp(buf, "insert")) { |
| 67 | return STATEMENT_INSERT; |
| 68 | } else if (!strcmp(buf, "update")) { |
| 69 | return STATEMENT_UPDATE; |
| 70 | } else if (!strcmp(buf, "delete")) { |
| 71 | return STATEMENT_DELETE; |
| 72 | } else if (!strcmp(buf, "replace")) { |
| 73 | return STATEMENT_REPLACE; |
| 74 | } else { |
| 75 | return STATEMENT_OTHER; |
| 76 | } |
| 77 | } |
| 78 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 79 | static int pysqlite_cursor_init(pysqlite_Cursor* self, PyObject* args, PyObject* kwargs) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 80 | { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 81 | pysqlite_Connection* connection; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 82 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 83 | if (!PyArg_ParseTuple(args, "O!", &pysqlite_ConnectionType, &connection)) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 84 | { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 85 | return -1; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | Py_INCREF(connection); |
| 89 | self->connection = connection; |
| 90 | self->statement = NULL; |
| 91 | self->next_row = NULL; |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 92 | self->in_weakreflist = NULL; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 93 | |
| 94 | self->row_cast_map = PyList_New(0); |
| 95 | if (!self->row_cast_map) { |
| 96 | return -1; |
| 97 | } |
| 98 | |
| 99 | Py_INCREF(Py_None); |
| 100 | self->description = Py_None; |
| 101 | |
| 102 | Py_INCREF(Py_None); |
| 103 | self->lastrowid= Py_None; |
| 104 | |
| 105 | self->arraysize = 1; |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 106 | self->closed = 0; |
| 107 | self->reset = 0; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 108 | |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 109 | self->rowcount = -1L; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 110 | |
| 111 | Py_INCREF(Py_None); |
| 112 | self->row_factory = Py_None; |
| 113 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 114 | if (!pysqlite_check_thread(self->connection)) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 115 | return -1; |
| 116 | } |
| 117 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 118 | if (!pysqlite_connection_register_cursor(connection, (PyObject*)self)) { |
| 119 | return -1; |
| 120 | } |
| 121 | |
| 122 | self->initialized = 1; |
| 123 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 124 | return 0; |
| 125 | } |
| 126 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 127 | static void pysqlite_cursor_dealloc(pysqlite_Cursor* self) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 128 | { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 129 | /* Reset the statement if the user has not closed the cursor */ |
| 130 | if (self->statement) { |
Brett Cannon | b94767f | 2011-02-22 20:15:44 +0000 | [diff] [blame] | 131 | pysqlite_statement_reset(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 132 | Py_DECREF(self->statement); |
| 133 | } |
| 134 | |
| 135 | Py_XDECREF(self->connection); |
| 136 | Py_XDECREF(self->row_cast_map); |
| 137 | Py_XDECREF(self->description); |
| 138 | Py_XDECREF(self->lastrowid); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 139 | Py_XDECREF(self->row_factory); |
| 140 | Py_XDECREF(self->next_row); |
| 141 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 142 | if (self->in_weakreflist != NULL) { |
| 143 | PyObject_ClearWeakRefs((PyObject*)self); |
| 144 | } |
| 145 | |
Christian Heimes | 90aa764 | 2007-12-19 02:45:37 +0000 | [diff] [blame] | 146 | Py_TYPE(self)->tp_free((PyObject*)self); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 147 | } |
| 148 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 149 | PyObject* _pysqlite_get_converter(PyObject* key) |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 150 | { |
| 151 | PyObject* upcase_key; |
| 152 | PyObject* retval; |
| 153 | |
| 154 | upcase_key = PyObject_CallMethod(key, "upper", ""); |
| 155 | if (!upcase_key) { |
| 156 | return NULL; |
| 157 | } |
| 158 | |
| 159 | retval = PyDict_GetItem(converters, upcase_key); |
| 160 | Py_DECREF(upcase_key); |
| 161 | |
| 162 | return retval; |
| 163 | } |
| 164 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 165 | int pysqlite_build_row_cast_map(pysqlite_Cursor* self) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 166 | { |
| 167 | int i; |
| 168 | const char* type_start = (const char*)-1; |
| 169 | const char* pos; |
| 170 | |
| 171 | const char* colname; |
| 172 | const char* decltype; |
| 173 | PyObject* py_decltype; |
| 174 | PyObject* converter; |
| 175 | PyObject* key; |
| 176 | |
| 177 | if (!self->connection->detect_types) { |
| 178 | return 0; |
| 179 | } |
| 180 | |
| 181 | Py_XDECREF(self->row_cast_map); |
| 182 | self->row_cast_map = PyList_New(0); |
| 183 | |
| 184 | for (i = 0; i < sqlite3_column_count(self->statement->st); i++) { |
| 185 | converter = NULL; |
| 186 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 187 | if (self->connection->detect_types & PARSE_COLNAMES) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 188 | colname = sqlite3_column_name(self->statement->st, i); |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 189 | if (colname) { |
| 190 | for (pos = colname; *pos != 0; pos++) { |
| 191 | if (*pos == '[') { |
| 192 | type_start = pos + 1; |
| 193 | } else if (*pos == ']' && type_start != (const char*)-1) { |
Brett Cannon | 4043001 | 2007-10-22 20:24:51 +0000 | [diff] [blame] | 194 | key = PyUnicode_FromStringAndSize(type_start, pos - type_start); |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 195 | if (!key) { |
| 196 | /* creating a string failed, but it is too complicated |
| 197 | * to propagate the error here, we just assume there is |
| 198 | * no converter and proceed */ |
| 199 | break; |
| 200 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 201 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 202 | converter = _pysqlite_get_converter(key); |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 203 | Py_DECREF(key); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 204 | break; |
| 205 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 206 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 207 | } |
| 208 | } |
| 209 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 210 | if (!converter && self->connection->detect_types & PARSE_DECLTYPES) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 211 | decltype = sqlite3_column_decltype(self->statement->st, i); |
| 212 | if (decltype) { |
| 213 | for (pos = decltype;;pos++) { |
Christian Heimes | 81ee3ef | 2008-05-04 22:42:01 +0000 | [diff] [blame] | 214 | /* Converter names are split at '(' and blanks. |
| 215 | * This allows 'INTEGER NOT NULL' to be treated as 'INTEGER' and |
| 216 | * 'NUMBER(10)' to be treated as 'NUMBER', for example. |
| 217 | * In other words, it will work as people expect it to work.*/ |
| 218 | if (*pos == ' ' || *pos == '(' || *pos == 0) { |
Brett Cannon | 4043001 | 2007-10-22 20:24:51 +0000 | [diff] [blame] | 219 | py_decltype = PyUnicode_FromStringAndSize(decltype, pos - decltype); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 220 | if (!py_decltype) { |
| 221 | return -1; |
| 222 | } |
| 223 | break; |
| 224 | } |
| 225 | } |
| 226 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 227 | converter = _pysqlite_get_converter(py_decltype); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 228 | Py_DECREF(py_decltype); |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | if (!converter) { |
| 233 | converter = Py_None; |
| 234 | } |
| 235 | |
| 236 | if (PyList_Append(self->row_cast_map, converter) != 0) { |
| 237 | if (converter != Py_None) { |
| 238 | Py_DECREF(converter); |
| 239 | } |
| 240 | Py_XDECREF(self->row_cast_map); |
| 241 | self->row_cast_map = NULL; |
| 242 | |
| 243 | return -1; |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | return 0; |
| 248 | } |
| 249 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 250 | PyObject* _pysqlite_build_column_name(const char* colname) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 251 | { |
| 252 | const char* pos; |
| 253 | |
| 254 | if (!colname) { |
| 255 | Py_INCREF(Py_None); |
| 256 | return Py_None; |
| 257 | } |
| 258 | |
| 259 | for (pos = colname;; pos++) { |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 260 | if (*pos == 0 || *pos == '[') { |
| 261 | if ((*pos == '[') && (pos > colname) && (*(pos-1) == ' ')) { |
| 262 | pos--; |
| 263 | } |
Gerhard Häring | 6d21456 | 2007-08-10 18:15:11 +0000 | [diff] [blame] | 264 | return PyUnicode_FromStringAndSize(colname, pos - colname); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 265 | } |
| 266 | } |
| 267 | } |
| 268 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 269 | PyObject* pysqlite_unicode_from_string(const char* val_str, int optimize) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 270 | { |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 271 | return PyUnicode_FromString(val_str); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 272 | } |
| 273 | |
| 274 | /* |
| 275 | * Returns a row from the currently active SQLite statement |
| 276 | * |
| 277 | * Precondidition: |
| 278 | * - sqlite3_step() has been called before and it returned SQLITE_ROW. |
| 279 | */ |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 280 | PyObject* _pysqlite_fetch_one_row(pysqlite_Cursor* self) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 281 | { |
| 282 | int i, numcols; |
| 283 | PyObject* row; |
| 284 | PyObject* item = NULL; |
| 285 | int coltype; |
| 286 | PY_LONG_LONG intval; |
| 287 | PyObject* converter; |
| 288 | PyObject* converted; |
| 289 | Py_ssize_t nbytes; |
| 290 | PyObject* buffer; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 291 | const char* val_str; |
| 292 | char buf[200]; |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 293 | const char* colname; |
Gerhard Häring | 873d9ff | 2008-02-29 22:22:09 +0000 | [diff] [blame] | 294 | PyObject* buf_bytes; |
| 295 | PyObject* error_obj; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 296 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 297 | if (self->reset) { |
| 298 | PyErr_SetString(pysqlite_InterfaceError, errmsg_fetch_across_rollback); |
| 299 | return NULL; |
| 300 | } |
| 301 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 302 | Py_BEGIN_ALLOW_THREADS |
| 303 | numcols = sqlite3_data_count(self->statement->st); |
| 304 | Py_END_ALLOW_THREADS |
| 305 | |
| 306 | row = PyTuple_New(numcols); |
| 307 | if (!row) { |
| 308 | return NULL; |
| 309 | } |
| 310 | |
| 311 | for (i = 0; i < numcols; i++) { |
| 312 | if (self->connection->detect_types) { |
| 313 | converter = PyList_GetItem(self->row_cast_map, i); |
| 314 | if (!converter) { |
| 315 | converter = Py_None; |
| 316 | } |
| 317 | } else { |
| 318 | converter = Py_None; |
| 319 | } |
| 320 | |
| 321 | if (converter != Py_None) { |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 322 | nbytes = sqlite3_column_bytes(self->statement->st, i); |
| 323 | val_str = (const char*)sqlite3_column_blob(self->statement->st, i); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 324 | if (!val_str) { |
| 325 | Py_INCREF(Py_None); |
| 326 | converted = Py_None; |
| 327 | } else { |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 328 | item = PyBytes_FromStringAndSize(val_str, nbytes); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 329 | if (!item) { |
| 330 | return NULL; |
| 331 | } |
| 332 | converted = PyObject_CallFunction(converter, "O", item); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 333 | Py_DECREF(item); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 334 | if (!converted) { |
| 335 | break; |
| 336 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 337 | } |
| 338 | } else { |
| 339 | Py_BEGIN_ALLOW_THREADS |
| 340 | coltype = sqlite3_column_type(self->statement->st, i); |
| 341 | Py_END_ALLOW_THREADS |
| 342 | if (coltype == SQLITE_NULL) { |
| 343 | Py_INCREF(Py_None); |
| 344 | converted = Py_None; |
| 345 | } else if (coltype == SQLITE_INTEGER) { |
| 346 | intval = sqlite3_column_int64(self->statement->st, i); |
| 347 | if (intval < INT32_MIN || intval > INT32_MAX) { |
| 348 | converted = PyLong_FromLongLong(intval); |
| 349 | } else { |
Christian Heimes | 217cfd1 | 2007-12-02 14:31:20 +0000 | [diff] [blame] | 350 | converted = PyLong_FromLong((long)intval); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 351 | } |
| 352 | } else if (coltype == SQLITE_FLOAT) { |
| 353 | converted = PyFloat_FromDouble(sqlite3_column_double(self->statement->st, i)); |
| 354 | } else if (coltype == SQLITE_TEXT) { |
| 355 | val_str = (const char*)sqlite3_column_text(self->statement->st, i); |
| 356 | if ((self->connection->text_factory == (PyObject*)&PyUnicode_Type) |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 357 | || (self->connection->text_factory == pysqlite_OptimizedUnicode)) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 358 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 359 | converted = pysqlite_unicode_from_string(val_str, |
| 360 | self->connection->text_factory == pysqlite_OptimizedUnicode ? 1 : 0); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 361 | |
| 362 | if (!converted) { |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 363 | colname = sqlite3_column_name(self->statement->st, i); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 364 | if (!colname) { |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 365 | colname = "<unknown column name>"; |
| 366 | } |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 367 | 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] | 368 | colname , val_str); |
Victor Stinner | 8699950 | 2010-05-19 01:27:23 +0000 | [diff] [blame] | 369 | buf_bytes = PyByteArray_FromStringAndSize(buf, strlen(buf)); |
Gerhard Häring | 873d9ff | 2008-02-29 22:22:09 +0000 | [diff] [blame] | 370 | if (!buf_bytes) { |
| 371 | PyErr_SetString(pysqlite_OperationalError, "Could not decode to UTF-8"); |
| 372 | } else { |
| 373 | error_obj = PyUnicode_FromEncodedObject(buf_bytes, "ascii", "replace"); |
| 374 | if (!error_obj) { |
| 375 | PyErr_SetString(pysqlite_OperationalError, "Could not decode to UTF-8"); |
Gerhard Häring | 873d9ff | 2008-02-29 22:22:09 +0000 | [diff] [blame] | 376 | } else { |
| 377 | PyErr_SetObject(pysqlite_OperationalError, error_obj); |
Gerhard Häring | e871ad59 | 2008-03-29 14:11:55 +0000 | [diff] [blame] | 378 | Py_DECREF(error_obj); |
Gerhard Häring | 873d9ff | 2008-02-29 22:22:09 +0000 | [diff] [blame] | 379 | } |
| 380 | Py_DECREF(buf_bytes); |
| 381 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 382 | } |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 383 | } else if (self->connection->text_factory == (PyObject*)&PyBytes_Type) { |
| 384 | converted = PyBytes_FromString(val_str); |
Christian Heimes | 9c4756e | 2008-05-26 13:22:05 +0000 | [diff] [blame] | 385 | } else if (self->connection->text_factory == (PyObject*)&PyByteArray_Type) { |
| 386 | converted = PyByteArray_FromStringAndSize(val_str, strlen(val_str)); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 387 | } else { |
Gerhard Häring | 6d21456 | 2007-08-10 18:15:11 +0000 | [diff] [blame] | 388 | converted = PyObject_CallFunction(self->connection->text_factory, "y", val_str); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 389 | } |
| 390 | } else { |
| 391 | /* coltype == SQLITE_BLOB */ |
| 392 | nbytes = sqlite3_column_bytes(self->statement->st, i); |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 393 | buffer = PyBytes_FromStringAndSize( |
Guido van Rossum | bae07c9 | 2007-10-08 02:46:15 +0000 | [diff] [blame] | 394 | sqlite3_column_blob(self->statement->st, i), nbytes); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 395 | if (!buffer) { |
| 396 | break; |
| 397 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 398 | converted = buffer; |
| 399 | } |
| 400 | } |
| 401 | |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 402 | if (converted) { |
| 403 | PyTuple_SetItem(row, i, converted); |
| 404 | } else { |
| 405 | Py_INCREF(Py_None); |
| 406 | PyTuple_SetItem(row, i, Py_None); |
| 407 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | if (PyErr_Occurred()) { |
| 411 | Py_DECREF(row); |
| 412 | row = NULL; |
| 413 | } |
| 414 | |
| 415 | return row; |
| 416 | } |
| 417 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 418 | /* |
| 419 | * Checks if a cursor object is usable. |
| 420 | * |
| 421 | * 0 => error; 1 => ok |
| 422 | */ |
| 423 | static int check_cursor(pysqlite_Cursor* cur) |
| 424 | { |
| 425 | if (!cur->initialized) { |
| 426 | PyErr_SetString(pysqlite_ProgrammingError, "Base Cursor.__init__ not called."); |
| 427 | return 0; |
| 428 | } |
| 429 | |
| 430 | if (cur->closed) { |
| 431 | PyErr_SetString(pysqlite_ProgrammingError, "Cannot operate on a closed cursor."); |
| 432 | return 0; |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 433 | } |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 434 | |
| 435 | if (cur->locked) { |
| 436 | PyErr_SetString(pysqlite_ProgrammingError, "Recursive use of cursors not allowed."); |
| 437 | return 0; |
| 438 | } |
| 439 | |
| 440 | return pysqlite_check_thread(cur->connection) && pysqlite_check_connection(cur->connection); |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 441 | } |
| 442 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 443 | PyObject* _pysqlite_query_execute(pysqlite_Cursor* self, int multiple, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 444 | { |
| 445 | PyObject* operation; |
Guido van Rossum | 83857e3 | 2007-05-09 23:37:01 +0000 | [diff] [blame] | 446 | const char* operation_cstr; |
| 447 | Py_ssize_t operation_len; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 448 | PyObject* parameters_list = NULL; |
| 449 | PyObject* parameters_iter = NULL; |
| 450 | PyObject* parameters = NULL; |
| 451 | int i; |
| 452 | int rc; |
| 453 | PyObject* func_args; |
| 454 | PyObject* result; |
| 455 | int numcols; |
| 456 | PY_LONG_LONG lastrowid; |
| 457 | int statement_type; |
| 458 | PyObject* descriptor; |
| 459 | PyObject* second_argument = NULL; |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 460 | int allow_8bit_chars; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 461 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 462 | if (!check_cursor(self)) { |
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 | } |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 465 | |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 466 | self->locked = 1; |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 467 | self->reset = 0; |
| 468 | |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 469 | /* Make shooting yourself in the foot with not utf-8 decodable 8-bit-strings harder */ |
| 470 | allow_8bit_chars = ((self->connection->text_factory != (PyObject*)&PyUnicode_Type) && |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 471 | (self->connection->text_factory != pysqlite_OptimizedUnicode)); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 472 | |
| 473 | Py_XDECREF(self->next_row); |
| 474 | self->next_row = NULL; |
| 475 | |
| 476 | if (multiple) { |
| 477 | /* executemany() */ |
| 478 | if (!PyArg_ParseTuple(args, "OO", &operation, &second_argument)) { |
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 | |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 482 | if (!PyUnicode_Check(operation)) { |
| 483 | PyErr_SetString(PyExc_ValueError, "operation parameter must be str"); |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 484 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 485 | } |
| 486 | |
| 487 | if (PyIter_Check(second_argument)) { |
| 488 | /* iterator */ |
| 489 | Py_INCREF(second_argument); |
| 490 | parameters_iter = second_argument; |
| 491 | } else { |
| 492 | /* sequence */ |
| 493 | parameters_iter = PyObject_GetIter(second_argument); |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 494 | if (!parameters_iter) { |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 495 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 496 | } |
| 497 | } |
| 498 | } else { |
| 499 | /* execute() */ |
| 500 | if (!PyArg_ParseTuple(args, "O|O", &operation, &second_argument)) { |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 501 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 502 | } |
| 503 | |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 504 | if (!PyUnicode_Check(operation)) { |
| 505 | PyErr_SetString(PyExc_ValueError, "operation parameter must be str"); |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 506 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 507 | } |
| 508 | |
| 509 | parameters_list = PyList_New(0); |
| 510 | if (!parameters_list) { |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 511 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 512 | } |
| 513 | |
| 514 | if (second_argument == NULL) { |
| 515 | second_argument = PyTuple_New(0); |
| 516 | if (!second_argument) { |
| 517 | goto error; |
| 518 | } |
| 519 | } else { |
| 520 | Py_INCREF(second_argument); |
| 521 | } |
| 522 | if (PyList_Append(parameters_list, second_argument) != 0) { |
| 523 | Py_DECREF(second_argument); |
| 524 | goto error; |
| 525 | } |
| 526 | Py_DECREF(second_argument); |
| 527 | |
| 528 | parameters_iter = PyObject_GetIter(parameters_list); |
| 529 | if (!parameters_iter) { |
| 530 | goto error; |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | if (self->statement != NULL) { |
| 535 | /* There is an active statement */ |
Brett Cannon | b94767f | 2011-02-22 20:15:44 +0000 | [diff] [blame] | 536 | pysqlite_statement_reset(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 537 | } |
| 538 | |
Marc-André Lemburg | 4cc0f24 | 2008-08-07 18:54:33 +0000 | [diff] [blame] | 539 | operation_cstr = _PyUnicode_AsStringAndSize(operation, &operation_len); |
Victor Stinner | 8699950 | 2010-05-19 01:27:23 +0000 | [diff] [blame] | 540 | if (operation_cstr == NULL) |
Guido van Rossum | 83857e3 | 2007-05-09 23:37:01 +0000 | [diff] [blame] | 541 | goto error; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 542 | |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 543 | /* reset description and rowcount */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 544 | Py_DECREF(self->description); |
| 545 | Py_INCREF(Py_None); |
| 546 | self->description = Py_None; |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 547 | self->rowcount = -1L; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 548 | |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 549 | func_args = PyTuple_New(1); |
| 550 | if (!func_args) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 551 | goto error; |
| 552 | } |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 553 | Py_INCREF(operation); |
| 554 | if (PyTuple_SetItem(func_args, 0, operation) != 0) { |
| 555 | goto error; |
| 556 | } |
| 557 | |
| 558 | if (self->statement) { |
| 559 | (void)pysqlite_statement_reset(self->statement); |
| 560 | Py_DECREF(self->statement); |
| 561 | } |
| 562 | |
| 563 | self->statement = (pysqlite_Statement*)pysqlite_cache_get(self->connection->statement_cache, func_args); |
| 564 | Py_DECREF(func_args); |
| 565 | |
| 566 | if (!self->statement) { |
| 567 | goto error; |
| 568 | } |
| 569 | |
| 570 | if (self->statement->in_use) { |
| 571 | Py_DECREF(self->statement); |
| 572 | self->statement = PyObject_New(pysqlite_Statement, &pysqlite_StatementType); |
| 573 | if (!self->statement) { |
| 574 | goto error; |
| 575 | } |
| 576 | rc = pysqlite_statement_create(self->statement, self->connection, operation); |
| 577 | if (rc != SQLITE_OK) { |
Alexandre Vassalotti | 1839bac | 2008-07-13 21:57:48 +0000 | [diff] [blame] | 578 | Py_CLEAR(self->statement); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 579 | goto error; |
| 580 | } |
| 581 | } |
| 582 | |
| 583 | pysqlite_statement_reset(self->statement); |
| 584 | pysqlite_statement_mark_dirty(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 585 | |
| 586 | statement_type = detect_statement_type(operation_cstr); |
| 587 | if (self->connection->begin_statement) { |
| 588 | switch (statement_type) { |
| 589 | case STATEMENT_UPDATE: |
| 590 | case STATEMENT_DELETE: |
| 591 | case STATEMENT_INSERT: |
| 592 | case STATEMENT_REPLACE: |
| 593 | if (!self->connection->inTransaction) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 594 | result = _pysqlite_connection_begin(self->connection); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 595 | if (!result) { |
| 596 | goto error; |
| 597 | } |
| 598 | Py_DECREF(result); |
| 599 | } |
| 600 | break; |
| 601 | case STATEMENT_OTHER: |
| 602 | /* it's a DDL statement or something similar |
| 603 | - we better COMMIT first so it works for all cases */ |
| 604 | if (self->connection->inTransaction) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 605 | result = pysqlite_connection_commit(self->connection, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 606 | if (!result) { |
| 607 | goto error; |
| 608 | } |
| 609 | Py_DECREF(result); |
| 610 | } |
| 611 | break; |
| 612 | case STATEMENT_SELECT: |
| 613 | if (multiple) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 614 | PyErr_SetString(pysqlite_ProgrammingError, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 615 | "You cannot execute SELECT statements in executemany()."); |
| 616 | goto error; |
| 617 | } |
| 618 | break; |
| 619 | } |
| 620 | } |
| 621 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 622 | |
| 623 | while (1) { |
| 624 | parameters = PyIter_Next(parameters_iter); |
| 625 | if (!parameters) { |
| 626 | break; |
| 627 | } |
| 628 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 629 | pysqlite_statement_mark_dirty(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 630 | |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 631 | pysqlite_statement_bind_parameters(self->statement, parameters, allow_8bit_chars); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 632 | if (PyErr_Occurred()) { |
| 633 | goto error; |
| 634 | } |
| 635 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 636 | /* Keep trying the SQL statement until the schema stops changing. */ |
| 637 | while (1) { |
| 638 | /* Actually execute the SQL statement. */ |
Benjamin Peterson | d7b0328 | 2008-09-13 15:58:53 +0000 | [diff] [blame] | 639 | rc = pysqlite_step(self->statement->st, self->connection); |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 640 | if (rc == SQLITE_DONE || rc == SQLITE_ROW) { |
| 641 | /* If it worked, let's get out of the loop */ |
| 642 | break; |
| 643 | } |
| 644 | /* Something went wrong. Re-set the statement and try again. */ |
| 645 | rc = pysqlite_statement_reset(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 646 | if (rc == SQLITE_SCHEMA) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 647 | /* If this was a result of the schema changing, let's try |
| 648 | again. */ |
| 649 | rc = pysqlite_statement_recompile(self->statement, parameters); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 650 | if (rc == SQLITE_OK) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 651 | continue; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 652 | } else { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 653 | /* If the database gave us an error, promote it to Python. */ |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 654 | (void)pysqlite_statement_reset(self->statement); |
| 655 | _pysqlite_seterror(self->connection->db, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 656 | goto error; |
| 657 | } |
| 658 | } else { |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 659 | if (PyErr_Occurred()) { |
| 660 | /* there was an error that occurred in a user-defined callback */ |
| 661 | if (_enable_callback_tracebacks) { |
| 662 | PyErr_Print(); |
| 663 | } else { |
| 664 | PyErr_Clear(); |
| 665 | } |
| 666 | } |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 667 | (void)pysqlite_statement_reset(self->statement); |
| 668 | _pysqlite_seterror(self->connection->db, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 669 | goto error; |
| 670 | } |
| 671 | } |
| 672 | |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 673 | if (pysqlite_build_row_cast_map(self) != 0) { |
| 674 | PyErr_SetString(pysqlite_OperationalError, "Error while building row_cast_map"); |
| 675 | goto error; |
| 676 | } |
| 677 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 678 | if (rc == SQLITE_ROW || (rc == SQLITE_DONE && statement_type == STATEMENT_SELECT)) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 679 | if (self->description == Py_None) { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 680 | Py_BEGIN_ALLOW_THREADS |
| 681 | numcols = sqlite3_column_count(self->statement->st); |
| 682 | Py_END_ALLOW_THREADS |
| 683 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 684 | Py_DECREF(self->description); |
| 685 | self->description = PyTuple_New(numcols); |
| 686 | if (!self->description) { |
| 687 | goto error; |
| 688 | } |
| 689 | for (i = 0; i < numcols; i++) { |
| 690 | descriptor = PyTuple_New(7); |
| 691 | if (!descriptor) { |
| 692 | goto error; |
| 693 | } |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 694 | 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] | 695 | Py_INCREF(Py_None); PyTuple_SetItem(descriptor, 1, Py_None); |
| 696 | Py_INCREF(Py_None); PyTuple_SetItem(descriptor, 2, Py_None); |
| 697 | Py_INCREF(Py_None); PyTuple_SetItem(descriptor, 3, Py_None); |
| 698 | Py_INCREF(Py_None); PyTuple_SetItem(descriptor, 4, Py_None); |
| 699 | Py_INCREF(Py_None); PyTuple_SetItem(descriptor, 5, Py_None); |
| 700 | Py_INCREF(Py_None); PyTuple_SetItem(descriptor, 6, Py_None); |
| 701 | PyTuple_SetItem(self->description, i, descriptor); |
| 702 | } |
| 703 | } |
| 704 | } |
| 705 | |
| 706 | if (rc == SQLITE_ROW) { |
| 707 | if (multiple) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 708 | PyErr_SetString(pysqlite_ProgrammingError, "executemany() can only execute DML statements."); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 709 | goto error; |
| 710 | } |
| 711 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 712 | self->next_row = _pysqlite_fetch_one_row(self); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 713 | } else if (rc == SQLITE_DONE && !multiple) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 714 | pysqlite_statement_reset(self->statement); |
Alexandre Vassalotti | 1839bac | 2008-07-13 21:57:48 +0000 | [diff] [blame] | 715 | Py_CLEAR(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 716 | } |
| 717 | |
| 718 | switch (statement_type) { |
| 719 | case STATEMENT_UPDATE: |
| 720 | case STATEMENT_DELETE: |
| 721 | case STATEMENT_INSERT: |
| 722 | case STATEMENT_REPLACE: |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 723 | if (self->rowcount == -1L) { |
| 724 | self->rowcount = 0L; |
| 725 | } |
| 726 | self->rowcount += (long)sqlite3_changes(self->connection->db); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 727 | } |
| 728 | |
| 729 | Py_DECREF(self->lastrowid); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 730 | if (!multiple && statement_type == STATEMENT_INSERT) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 731 | Py_BEGIN_ALLOW_THREADS |
| 732 | lastrowid = sqlite3_last_insert_rowid(self->connection->db); |
| 733 | Py_END_ALLOW_THREADS |
Christian Heimes | 217cfd1 | 2007-12-02 14:31:20 +0000 | [diff] [blame] | 734 | self->lastrowid = PyLong_FromLong((long)lastrowid); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 735 | } else { |
| 736 | Py_INCREF(Py_None); |
| 737 | self->lastrowid = Py_None; |
| 738 | } |
| 739 | |
| 740 | if (multiple) { |
Brett Cannon | b94767f | 2011-02-22 20:15:44 +0000 | [diff] [blame] | 741 | pysqlite_statement_reset(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 742 | } |
| 743 | Py_XDECREF(parameters); |
| 744 | } |
| 745 | |
| 746 | error: |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 747 | /* just to be sure (implicit ROLLBACKs with ON CONFLICT ROLLBACK/OR |
| 748 | * ROLLBACK could have happened */ |
| 749 | #ifdef SQLITE_VERSION_NUMBER |
| 750 | #if SQLITE_VERSION_NUMBER >= 3002002 |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 751 | if (self->connection && self->connection->db) |
| 752 | self->connection->inTransaction = !sqlite3_get_autocommit(self->connection->db); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 753 | #endif |
| 754 | #endif |
| 755 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 756 | Py_XDECREF(parameters); |
| 757 | Py_XDECREF(parameters_iter); |
| 758 | Py_XDECREF(parameters_list); |
| 759 | |
Gerhard Haering | 936d518 | 2011-05-09 12:24:09 +0200 | [diff] [blame] | 760 | self->locked = 0; |
| 761 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 762 | if (PyErr_Occurred()) { |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 763 | self->rowcount = -1L; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 764 | return NULL; |
| 765 | } else { |
| 766 | Py_INCREF(self); |
| 767 | return (PyObject*)self; |
| 768 | } |
| 769 | } |
| 770 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 771 | PyObject* pysqlite_cursor_execute(pysqlite_Cursor* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 772 | { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 773 | return _pysqlite_query_execute(self, 0, args); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 774 | } |
| 775 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 776 | PyObject* pysqlite_cursor_executemany(pysqlite_Cursor* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 777 | { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 778 | return _pysqlite_query_execute(self, 1, args); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 779 | } |
| 780 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 781 | PyObject* pysqlite_cursor_executescript(pysqlite_Cursor* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 782 | { |
| 783 | PyObject* script_obj; |
| 784 | PyObject* script_str = NULL; |
| 785 | const char* script_cstr; |
| 786 | sqlite3_stmt* statement; |
| 787 | int rc; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 788 | PyObject* result; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 789 | |
| 790 | if (!PyArg_ParseTuple(args, "O", &script_obj)) { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 791 | return NULL; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 792 | } |
| 793 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 794 | if (!check_cursor(self)) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 795 | return NULL; |
| 796 | } |
| 797 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 798 | self->reset = 0; |
| 799 | |
Gerhard Häring | 6d21456 | 2007-08-10 18:15:11 +0000 | [diff] [blame] | 800 | if (PyUnicode_Check(script_obj)) { |
Marc-André Lemburg | 4cc0f24 | 2008-08-07 18:54:33 +0000 | [diff] [blame] | 801 | script_cstr = _PyUnicode_AsString(script_obj); |
Gerhard Häring | 6d21456 | 2007-08-10 18:15:11 +0000 | [diff] [blame] | 802 | if (!script_cstr) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 803 | return NULL; |
| 804 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 805 | } else { |
Gerhard Häring | 6d21456 | 2007-08-10 18:15:11 +0000 | [diff] [blame] | 806 | PyErr_SetString(PyExc_ValueError, "script argument must be unicode."); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 807 | return NULL; |
| 808 | } |
| 809 | |
| 810 | /* commit first */ |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 811 | result = pysqlite_connection_commit(self->connection, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 812 | if (!result) { |
| 813 | goto error; |
| 814 | } |
| 815 | Py_DECREF(result); |
| 816 | |
| 817 | while (1) { |
Benjamin Peterson | d7b0328 | 2008-09-13 15:58:53 +0000 | [diff] [blame] | 818 | Py_BEGIN_ALLOW_THREADS |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 819 | rc = sqlite3_prepare(self->connection->db, |
| 820 | script_cstr, |
| 821 | -1, |
| 822 | &statement, |
| 823 | &script_cstr); |
Benjamin Peterson | d7b0328 | 2008-09-13 15:58:53 +0000 | [diff] [blame] | 824 | Py_END_ALLOW_THREADS |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 825 | if (rc != SQLITE_OK) { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 826 | _pysqlite_seterror(self->connection->db, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 827 | goto error; |
| 828 | } |
| 829 | |
| 830 | /* execute statement, and ignore results of SELECT statements */ |
| 831 | rc = SQLITE_ROW; |
| 832 | while (rc == SQLITE_ROW) { |
Benjamin Peterson | d7b0328 | 2008-09-13 15:58:53 +0000 | [diff] [blame] | 833 | rc = pysqlite_step(statement, self->connection); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 834 | /* TODO: we probably need more error handling here */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 835 | } |
| 836 | |
| 837 | if (rc != SQLITE_DONE) { |
| 838 | (void)sqlite3_finalize(statement); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 839 | _pysqlite_seterror(self->connection->db, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 840 | goto error; |
| 841 | } |
| 842 | |
| 843 | rc = sqlite3_finalize(statement); |
| 844 | if (rc != SQLITE_OK) { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 845 | _pysqlite_seterror(self->connection->db, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 846 | goto error; |
| 847 | } |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 848 | |
| 849 | if (*script_cstr == (char)0) { |
| 850 | break; |
| 851 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 852 | } |
| 853 | |
| 854 | error: |
| 855 | Py_XDECREF(script_str); |
| 856 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 857 | if (PyErr_Occurred()) { |
| 858 | return NULL; |
| 859 | } else { |
| 860 | Py_INCREF(self); |
| 861 | return (PyObject*)self; |
| 862 | } |
| 863 | } |
| 864 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 865 | PyObject* pysqlite_cursor_getiter(pysqlite_Cursor *self) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 866 | { |
| 867 | Py_INCREF(self); |
| 868 | return (PyObject*)self; |
| 869 | } |
| 870 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 871 | PyObject* pysqlite_cursor_iternext(pysqlite_Cursor *self) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 872 | { |
| 873 | PyObject* next_row_tuple; |
| 874 | PyObject* next_row; |
| 875 | int rc; |
| 876 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 877 | if (!check_cursor(self)) { |
| 878 | return NULL; |
| 879 | } |
| 880 | |
| 881 | if (self->reset) { |
| 882 | PyErr_SetString(pysqlite_InterfaceError, errmsg_fetch_across_rollback); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 883 | return NULL; |
| 884 | } |
| 885 | |
| 886 | if (!self->next_row) { |
| 887 | if (self->statement) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 888 | (void)pysqlite_statement_reset(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 889 | Py_DECREF(self->statement); |
| 890 | self->statement = NULL; |
| 891 | } |
| 892 | return NULL; |
| 893 | } |
| 894 | |
| 895 | next_row_tuple = self->next_row; |
| 896 | self->next_row = NULL; |
| 897 | |
| 898 | if (self->row_factory != Py_None) { |
| 899 | next_row = PyObject_CallFunction(self->row_factory, "OO", self, next_row_tuple); |
| 900 | Py_DECREF(next_row_tuple); |
| 901 | } else { |
| 902 | next_row = next_row_tuple; |
| 903 | } |
| 904 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 905 | if (self->statement) { |
Benjamin Peterson | d7b0328 | 2008-09-13 15:58:53 +0000 | [diff] [blame] | 906 | rc = pysqlite_step(self->statement->st, self->connection); |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 907 | if (rc != SQLITE_DONE && rc != SQLITE_ROW) { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 908 | (void)pysqlite_statement_reset(self->statement); |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 909 | Py_DECREF(next_row); |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 910 | _pysqlite_seterror(self->connection->db, NULL); |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 911 | return NULL; |
| 912 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 913 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 914 | if (rc == SQLITE_ROW) { |
| 915 | self->next_row = _pysqlite_fetch_one_row(self); |
| 916 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 917 | } |
| 918 | |
| 919 | return next_row; |
| 920 | } |
| 921 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 922 | PyObject* pysqlite_cursor_fetchone(pysqlite_Cursor* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 923 | { |
| 924 | PyObject* row; |
| 925 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 926 | row = pysqlite_cursor_iternext(self); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 927 | if (!row && !PyErr_Occurred()) { |
| 928 | Py_INCREF(Py_None); |
| 929 | return Py_None; |
| 930 | } |
| 931 | |
| 932 | return row; |
| 933 | } |
| 934 | |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 935 | PyObject* pysqlite_cursor_fetchmany(pysqlite_Cursor* self, PyObject* args, PyObject* kwargs) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 936 | { |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 937 | static char *kwlist[] = {"size", NULL, NULL}; |
| 938 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 939 | PyObject* row; |
| 940 | PyObject* list; |
| 941 | int maxrows = self->arraysize; |
| 942 | int counter = 0; |
| 943 | |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 944 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i:fetchmany", kwlist, &maxrows)) { |
| 945 | return NULL; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 946 | } |
| 947 | |
| 948 | list = PyList_New(0); |
| 949 | if (!list) { |
| 950 | return NULL; |
| 951 | } |
| 952 | |
| 953 | /* just make sure we enter the loop */ |
| 954 | row = Py_None; |
| 955 | |
| 956 | while (row) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 957 | row = pysqlite_cursor_iternext(self); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 958 | if (row) { |
| 959 | PyList_Append(list, row); |
| 960 | Py_DECREF(row); |
| 961 | } else { |
| 962 | break; |
| 963 | } |
| 964 | |
| 965 | if (++counter == maxrows) { |
| 966 | break; |
| 967 | } |
| 968 | } |
| 969 | |
| 970 | if (PyErr_Occurred()) { |
| 971 | Py_DECREF(list); |
| 972 | return NULL; |
| 973 | } else { |
| 974 | return list; |
| 975 | } |
| 976 | } |
| 977 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 978 | PyObject* pysqlite_cursor_fetchall(pysqlite_Cursor* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 979 | { |
| 980 | PyObject* row; |
| 981 | PyObject* list; |
| 982 | |
| 983 | list = PyList_New(0); |
| 984 | if (!list) { |
| 985 | return NULL; |
| 986 | } |
| 987 | |
| 988 | /* just make sure we enter the loop */ |
| 989 | row = (PyObject*)Py_None; |
| 990 | |
| 991 | while (row) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 992 | row = pysqlite_cursor_iternext(self); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 993 | if (row) { |
| 994 | PyList_Append(list, row); |
| 995 | Py_DECREF(row); |
| 996 | } |
| 997 | } |
| 998 | |
| 999 | if (PyErr_Occurred()) { |
| 1000 | Py_DECREF(list); |
| 1001 | return NULL; |
| 1002 | } else { |
| 1003 | return list; |
| 1004 | } |
| 1005 | } |
| 1006 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1007 | PyObject* pysqlite_noop(pysqlite_Connection* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1008 | { |
| 1009 | /* don't care, return None */ |
| 1010 | Py_INCREF(Py_None); |
| 1011 | return Py_None; |
| 1012 | } |
| 1013 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1014 | PyObject* pysqlite_cursor_close(pysqlite_Cursor* self, PyObject* args) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1015 | { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1016 | if (!pysqlite_check_thread(self->connection) || !pysqlite_check_connection(self->connection)) { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1017 | return NULL; |
| 1018 | } |
| 1019 | |
| 1020 | if (self->statement) { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1021 | (void)pysqlite_statement_reset(self->statement); |
Alexandre Vassalotti | 1839bac | 2008-07-13 21:57:48 +0000 | [diff] [blame] | 1022 | Py_CLEAR(self->statement); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1023 | } |
| 1024 | |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 1025 | self->closed = 1; |
| 1026 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1027 | Py_INCREF(Py_None); |
| 1028 | return Py_None; |
| 1029 | } |
| 1030 | |
| 1031 | static PyMethodDef cursor_methods[] = { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1032 | {"execute", (PyCFunction)pysqlite_cursor_execute, METH_VARARGS, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1033 | PyDoc_STR("Executes a SQL statement.")}, |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1034 | {"executemany", (PyCFunction)pysqlite_cursor_executemany, METH_VARARGS, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1035 | PyDoc_STR("Repeatedly executes a SQL statement.")}, |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1036 | {"executescript", (PyCFunction)pysqlite_cursor_executescript, METH_VARARGS, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1037 | PyDoc_STR("Executes a multiple SQL statements at once. Non-standard.")}, |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1038 | {"fetchone", (PyCFunction)pysqlite_cursor_fetchone, METH_NOARGS, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1039 | PyDoc_STR("Fetches one row from the resultset.")}, |
Gerhard Häring | e7ea745 | 2008-03-29 00:45:29 +0000 | [diff] [blame] | 1040 | {"fetchmany", (PyCFunction)pysqlite_cursor_fetchmany, METH_VARARGS|METH_KEYWORDS, |
Christian Heimes | fdab48e | 2008-01-20 09:06:41 +0000 | [diff] [blame] | 1041 | PyDoc_STR("Fetches several rows from the resultset.")}, |
| 1042 | {"fetchall", (PyCFunction)pysqlite_cursor_fetchall, METH_NOARGS, |
| 1043 | PyDoc_STR("Fetches all rows from the resultset.")}, |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1044 | {"close", (PyCFunction)pysqlite_cursor_close, METH_NOARGS, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1045 | PyDoc_STR("Closes the cursor.")}, |
| 1046 | {"setinputsizes", (PyCFunction)pysqlite_noop, METH_VARARGS, |
| 1047 | PyDoc_STR("Required by DB-API. Does nothing in pysqlite.")}, |
| 1048 | {"setoutputsize", (PyCFunction)pysqlite_noop, METH_VARARGS, |
| 1049 | PyDoc_STR("Required by DB-API. Does nothing in pysqlite.")}, |
| 1050 | {NULL, NULL} |
| 1051 | }; |
| 1052 | |
| 1053 | static struct PyMemberDef cursor_members[] = |
| 1054 | { |
Guido van Rossum | 10f07c4 | 2007-08-11 15:32:55 +0000 | [diff] [blame] | 1055 | {"connection", T_OBJECT, offsetof(pysqlite_Cursor, connection), READONLY}, |
| 1056 | {"description", T_OBJECT, offsetof(pysqlite_Cursor, description), READONLY}, |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1057 | {"arraysize", T_INT, offsetof(pysqlite_Cursor, arraysize), 0}, |
Guido van Rossum | 10f07c4 | 2007-08-11 15:32:55 +0000 | [diff] [blame] | 1058 | {"lastrowid", T_OBJECT, offsetof(pysqlite_Cursor, lastrowid), READONLY}, |
Georg Brandl | f78e02b | 2008-06-10 17:40:04 +0000 | [diff] [blame] | 1059 | {"rowcount", T_LONG, offsetof(pysqlite_Cursor, rowcount), READONLY}, |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1060 | {"row_factory", T_OBJECT, offsetof(pysqlite_Cursor, row_factory), 0}, |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1061 | {NULL} |
| 1062 | }; |
| 1063 | |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 1064 | static char cursor_doc[] = |
| 1065 | PyDoc_STR("SQLite database cursor class."); |
| 1066 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1067 | PyTypeObject pysqlite_CursorType = { |
Martin v. Löwis | 9f2e346 | 2007-07-21 17:22:18 +0000 | [diff] [blame] | 1068 | PyVarObject_HEAD_INIT(NULL, 0) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1069 | MODULE_NAME ".Cursor", /* tp_name */ |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1070 | sizeof(pysqlite_Cursor), /* tp_basicsize */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1071 | 0, /* tp_itemsize */ |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1072 | (destructor)pysqlite_cursor_dealloc, /* tp_dealloc */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1073 | 0, /* tp_print */ |
| 1074 | 0, /* tp_getattr */ |
| 1075 | 0, /* tp_setattr */ |
Mark Dickinson | e94c679 | 2009-02-02 20:36:42 +0000 | [diff] [blame] | 1076 | 0, /* tp_reserved */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1077 | 0, /* tp_repr */ |
| 1078 | 0, /* tp_as_number */ |
| 1079 | 0, /* tp_as_sequence */ |
| 1080 | 0, /* tp_as_mapping */ |
| 1081 | 0, /* tp_hash */ |
| 1082 | 0, /* tp_call */ |
| 1083 | 0, /* tp_str */ |
| 1084 | 0, /* tp_getattro */ |
| 1085 | 0, /* tp_setattro */ |
| 1086 | 0, /* tp_as_buffer */ |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 1087 | Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /* tp_flags */ |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 1088 | cursor_doc, /* tp_doc */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1089 | 0, /* tp_traverse */ |
| 1090 | 0, /* tp_clear */ |
| 1091 | 0, /* tp_richcompare */ |
Gerhard Häring | f9cee22 | 2010-03-05 15:20:03 +0000 | [diff] [blame] | 1092 | offsetof(pysqlite_Cursor, in_weakreflist), /* tp_weaklistoffset */ |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1093 | (getiterfunc)pysqlite_cursor_getiter, /* tp_iter */ |
| 1094 | (iternextfunc)pysqlite_cursor_iternext, /* tp_iternext */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1095 | cursor_methods, /* tp_methods */ |
| 1096 | cursor_members, /* tp_members */ |
| 1097 | 0, /* tp_getset */ |
| 1098 | 0, /* tp_base */ |
| 1099 | 0, /* tp_dict */ |
| 1100 | 0, /* tp_descr_get */ |
| 1101 | 0, /* tp_descr_set */ |
| 1102 | 0, /* tp_dictoffset */ |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1103 | (initproc)pysqlite_cursor_init, /* tp_init */ |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1104 | 0, /* tp_alloc */ |
| 1105 | 0, /* tp_new */ |
| 1106 | 0 /* tp_free */ |
| 1107 | }; |
| 1108 | |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1109 | extern int pysqlite_cursor_setup_types(void) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1110 | { |
Thomas Wouters | fc7bb8c | 2007-01-15 15:49:28 +0000 | [diff] [blame] | 1111 | pysqlite_CursorType.tp_new = PyType_GenericNew; |
| 1112 | return PyType_Ready(&pysqlite_CursorType); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1113 | } |