ext/pdo_mysql/mysql

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This source file includes following definitions.
pdo_mysql_stmt_dtor
pdo_mysql_stmt_set_row_count
pdo_mysql_fill_stmt_from_result
pdo_mysql_stmt_execute_prepared_libmysql
pdo_mysql_stmt_execute_prepared_mysqlnd
pdo_mysql_stmt_execute
pdo_mysql_stmt_next_rowset
pdo_mysql_stmt_param_hook
pdo_mysql_stmt_fetch
pdo_mysql_stmt_describe
pdo_mysql_stmt_get_col
type_to_name_native
pdo_mysql_stmt_col_meta
pdo_mysql_stmt_cursor_closer
   1 /*
   2   +----------------------------------------------------------------------+
   3   | PHP Version 7                                                        |
   4   +----------------------------------------------------------------------+
   5   | Copyright (c) 1997-2016 The PHP Group                                |
   6   +----------------------------------------------------------------------+
   7   | This source file is subject to version 3.01 of the PHP license,      |
   8   | that is bundled with this package in the file LICENSE, and is        |
   9   | available through the world-wide-web at the following url:           |
  10   | http://www.php.net/license/3_01.txt                                  |
  11   | If you did not receive a copy of the PHP license and are unable to   |
  12   | obtain it through the world-wide-web, please send a note to          |
  13   | license@php.net so we can mail you a copy immediately.               |
  14   +----------------------------------------------------------------------+
  15   | Author: George Schlossnagle <george@omniti.com>                      |
  16   |         Wez Furlong <wez@php.net>                                    |
  17   |         Johannes Schlueter <johannes@mysql.com>                      |
  18   +----------------------------------------------------------------------+
  19 */
  20 
  21 /* $Id$ */
  22 
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26 
  27 #include "php.h"
  28 #include "php_ini.h"
  29 #include "ext/standard/info.h"
  30 #include "pdo/php_pdo.h"
  31 #include "pdo/php_pdo_driver.h"
  32 #include "php_pdo_mysql.h"
  33 #include "php_pdo_mysql_int.h"
  34 
  35 #ifdef PDO_USE_MYSQLND
  36 #       define pdo_mysql_stmt_execute_prepared(stmt) pdo_mysql_stmt_execute_prepared_mysqlnd(stmt)
  37 #       define pdo_free_bound_result(res) zval_dtor(res.zv)
  38 #       define pdo_mysql_stmt_close(stmt) mysqlnd_stmt_close(stmt, 0)
  39 #else
  40 #       define pdo_mysql_stmt_execute_prepared(stmt) pdo_mysql_stmt_execute_prepared_libmysql(stmt)
  41 #       define pdo_free_bound_result(res) efree(res.buffer)
  42 #       define pdo_mysql_stmt_close(stmt) mysql_stmt_close(stmt)
  43 #endif
  44 
  45 
  46 
  47 static int pdo_mysql_stmt_dtor(pdo_stmt_t *stmt) /* {{{ */
  48 {
  49         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
  50 
  51         PDO_DBG_ENTER("pdo_mysql_stmt_dtor");
  52         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
  53         if (S->result) {
  54                 /* free the resource */
  55                 mysql_free_result(S->result);
  56                 S->result = NULL;
  57         }
  58         if (S->einfo.errmsg) {
  59                 pefree(S->einfo.errmsg, stmt->dbh->is_persistent);
  60                 S->einfo.errmsg = NULL;
  61         }
  62         if (S->stmt) {
  63                 pdo_mysql_stmt_close(S->stmt);
  64                 S->stmt = NULL;
  65         }
  66 
  67 #ifndef PDO_USE_MYSQLND
  68         if (S->params) {
  69                 efree(S->params);
  70         }
  71         if (S->in_null) {
  72                 efree(S->in_null);
  73         }
  74         if (S->in_length) {
  75                 efree(S->in_length);
  76         }
  77 
  78         if (S->bound_result)
  79         {
  80                 int i;
  81                 for (i = 0; i < stmt->column_count; i++) {
  82                         pdo_free_bound_result(S->bound_result[i]);
  83                 }
  84 
  85                 efree(S->bound_result);
  86                 efree(S->out_null);
  87                 efree(S->out_length);
  88         }
  89 #endif
  90 
  91         if (IS_OBJ_VALID(EG(objects_store).object_buckets[Z_OBJ_HANDLE(stmt->database_object_handle)])
  92                 && (!(GC_FLAGS(Z_OBJ(stmt->database_object_handle)) & IS_OBJ_FREE_CALLED))) {
  93                 while (mysql_more_results(S->H->server)) {
  94                         MYSQL_RES *res;
  95                         if (mysql_next_result(S->H->server) != 0) {
  96                                 break;
  97                         }
  98 
  99                         res = mysql_store_result(S->H->server);
 100                         if (res) {
 101                                 mysql_free_result(res);
 102                         }
 103                 }
 104         }
 105 
 106 #if PDO_USE_MYSQLND
 107         if (!S->stmt && S->current_data) {
 108                 mnd_free(S->current_data);
 109         }
 110 #endif /* PDO_USE_MYSQLND */
 111 
 112         efree(S);
 113         PDO_DBG_RETURN(1);
 114 }
 115 /* }}} */
 116 
 117 static void pdo_mysql_stmt_set_row_count(pdo_stmt_t *stmt) /* {{{ */
 118 {
 119         zend_long row_count;
 120         pdo_mysql_stmt *S = stmt->driver_data;
 121         row_count = (zend_long) mysql_stmt_affected_rows(S->stmt);
 122         if (row_count != (zend_long)-1) {
 123                 stmt->row_count = row_count;
 124         }
 125 }
 126 /* }}} */
 127 
 128 static int pdo_mysql_fill_stmt_from_result(pdo_stmt_t *stmt) /* {{{ */
 129 {
 130         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 131         pdo_mysql_db_handle *H = S->H;
 132         my_ulonglong row_count;
 133         PDO_DBG_ENTER("pdo_mysql_fill_stmt_from_result");
 134 
 135         row_count = mysql_affected_rows(H->server);
 136         if (row_count == (my_ulonglong)-1) {
 137                 /* we either have a query that returned a result set or an error occurred
 138                    lets see if we have access to a result set */
 139                 if (!H->buffered) {
 140                         S->result = mysql_use_result(H->server);
 141                 } else {
 142                         S->result = mysql_store_result(H->server);
 143                 }
 144                 if (NULL == S->result) {
 145                         pdo_mysql_error_stmt(stmt);
 146                         PDO_DBG_RETURN(0);
 147                 }
 148 
 149                 stmt->row_count = (zend_long) mysql_num_rows(S->result);
 150                 stmt->column_count = (int) mysql_num_fields(S->result);
 151                 S->fields = mysql_fetch_fields(S->result);
 152         } else {
 153                 /* this was a DML or DDL query (INSERT, UPDATE, DELETE, ... */
 154                 stmt->row_count = (zend_long) row_count;
 155         }
 156 
 157         PDO_DBG_RETURN(1);
 158 }
 159 /* }}} */
 160 
 161 #ifndef PDO_USE_MYSQLND
 162 static int pdo_mysql_stmt_execute_prepared_libmysql(pdo_stmt_t *stmt) /* {{{ */
 163 {
 164         pdo_mysql_stmt *S = stmt->driver_data;
 165         pdo_mysql_db_handle *H = S->H;
 166 
 167         PDO_DBG_ENTER("pdo_mysql_stmt_execute_prepared_libmysql");
 168 
 169         /* (re)bind the parameters */
 170         if (mysql_stmt_bind_param(S->stmt, S->params) || mysql_stmt_execute(S->stmt)) {
 171                 if (S->params) {
 172                         memset(S->params, 0, S->num_params * sizeof(MYSQL_BIND));
 173                 }
 174                 pdo_mysql_error_stmt(stmt);
 175                 if (mysql_stmt_errno(S->stmt) == 2057) {
 176                         /* CR_NEW_STMT_METADATA makes the statement unusable */
 177                         S->stmt = NULL;
 178                 }
 179                 PDO_DBG_RETURN(0);
 180         }
 181 
 182         if (!S->result) {
 183                 int i;
 184 
 185                 /* figure out the result set format, if any */
 186                 S->result = mysql_stmt_result_metadata(S->stmt);
 187                 if (S->result) {
 188                         int calc_max_length = H->buffered && S->max_length == 1;
 189                         S->fields = mysql_fetch_fields(S->result);
 190                         if (S->bound_result) {
 191                                 int i;
 192                                 for (i = 0; i < stmt->column_count; i++) {
 193                                         efree(S->bound_result[i].buffer);
 194                                 }
 195                                 efree(S->bound_result);
 196                                 efree(S->out_null);
 197                                 efree(S->out_length);
 198                         }
 199 
 200                         stmt->column_count = (int)mysql_num_fields(S->result);
 201                         S->bound_result = ecalloc(stmt->column_count, sizeof(MYSQL_BIND));
 202                         S->out_null = ecalloc(stmt->column_count, sizeof(my_bool));
 203                         S->out_length = ecalloc(stmt->column_count, sizeof(zend_ulong));
 204 
 205                         /* summon memory to hold the row */
 206                         for (i = 0; i < stmt->column_count; i++) {
 207                                 if (calc_max_length && S->fields[i].type == FIELD_TYPE_BLOB) {
 208                                         my_bool on = 1;
 209                                         mysql_stmt_attr_set(S->stmt, STMT_ATTR_UPDATE_MAX_LENGTH, &on);
 210                                         calc_max_length = 0;
 211                                 }
 212                                 switch (S->fields[i].type) {
 213                                         case FIELD_TYPE_INT24:
 214                                                 S->bound_result[i].buffer_length = MAX_MEDIUMINT_WIDTH + 1;
 215                                                 break;
 216                                         case FIELD_TYPE_LONG:
 217                                                 S->bound_result[i].buffer_length = MAX_INT_WIDTH + 1;
 218                                                 break;
 219                                         case FIELD_TYPE_LONGLONG:
 220                                                 S->bound_result[i].buffer_length = MAX_BIGINT_WIDTH + 1;
 221                                                 break;
 222                                         case FIELD_TYPE_TINY:
 223                                                 S->bound_result[i].buffer_length = MAX_TINYINT_WIDTH + 1;
 224                                                 break;
 225                                         case FIELD_TYPE_SHORT:
 226                                                 S->bound_result[i].buffer_length = MAX_SMALLINT_WIDTH + 1;
 227                                                 break;
 228                                         default:
 229                                                 S->bound_result[i].buffer_length =
 230                                                         S->fields[i].max_length? S->fields[i].max_length:
 231                                                         S->fields[i].length;
 232                                                 /* work-around for longtext and alike */
 233                                                 if (S->bound_result[i].buffer_length > H->max_buffer_size) {
 234                                                         S->bound_result[i].buffer_length = H->max_buffer_size;
 235                                                 }
 236                                 }
 237 
 238                                 /* there are cases where the length reported by mysql is too short.
 239                                  * eg: when describing a table that contains an enum column. Since
 240                                  * we have no way of knowing the true length either, we'll bump up
 241                                  * our buffer size to a reasonable size, just in case */
 242                                 if (S->fields[i].max_length == 0 && S->bound_result[i].buffer_length < 128 && MYSQL_TYPE_VAR_STRING) {
 243                                         S->bound_result[i].buffer_length = 128;
 244                                 }
 245 
 246                                 S->out_length[i] = 0;
 247 
 248                                 S->bound_result[i].buffer = emalloc(S->bound_result[i].buffer_length);
 249                                 S->bound_result[i].is_null = &S->out_null[i];
 250                                 S->bound_result[i].length = &S->out_length[i];
 251                                 S->bound_result[i].buffer_type = MYSQL_TYPE_STRING;
 252                         }
 253 
 254                         if (mysql_stmt_bind_result(S->stmt, S->bound_result)) {
 255                                 pdo_mysql_error_stmt(stmt);
 256                                 PDO_DBG_RETURN(0);
 257                         }
 258 
 259                         /* if buffered, pre-fetch all the data */
 260                         if (H->buffered) {
 261                                 mysql_stmt_store_result(S->stmt);
 262                         }
 263                 }
 264         }
 265 
 266         pdo_mysql_stmt_set_row_count(stmt);
 267         PDO_DBG_RETURN(1);
 268 }
 269 /* }}} */
 270 #endif
 271 
 272 #ifdef PDO_USE_MYSQLND
 273 static int pdo_mysql_stmt_execute_prepared_mysqlnd(pdo_stmt_t *stmt) /* {{{ */
 274 {
 275         pdo_mysql_stmt *S = stmt->driver_data;
 276         pdo_mysql_db_handle *H = S->H;
 277         int i;
 278 
 279         PDO_DBG_ENTER("pdo_mysql_stmt_execute_prepared_mysqlnd");
 280 
 281         if (mysql_stmt_execute(S->stmt)) {
 282                 pdo_mysql_error_stmt(stmt);
 283                 PDO_DBG_RETURN(0);
 284         }
 285 
 286         if (S->result) {
 287                 /* TODO: add a test to check if we really have zvals here... */
 288                 mysql_free_result(S->result);
 289                 S->result = NULL;
 290         }
 291 
 292         /* for SHOW/DESCRIBE and others the column/field count is not available before execute */
 293         stmt->column_count = mysql_stmt_field_count(S->stmt);
 294         for (i = 0; i < stmt->column_count; i++) {
 295                 mysqlnd_stmt_bind_one_result(S->stmt, i);
 296         }
 297 
 298         S->result = mysqlnd_stmt_result_metadata(S->stmt);
 299         if (S->result) {
 300                 S->fields = mysql_fetch_fields(S->result);
 301                 /* if buffered, pre-fetch all the data */
 302                 if (H->buffered) {
 303                         if (mysql_stmt_store_result(S->stmt)) {
 304                                 PDO_DBG_RETURN(0);
 305                         }
 306                 }
 307         }
 308 
 309         pdo_mysql_stmt_set_row_count(stmt);
 310         PDO_DBG_RETURN(1);
 311 }
 312 /* }}} */
 313 #endif
 314 
 315 static int pdo_mysql_stmt_execute(pdo_stmt_t *stmt) /* {{{ */
 316 {
 317         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 318         pdo_mysql_db_handle *H = S->H;
 319         PDO_DBG_ENTER("pdo_mysql_stmt_execute");
 320         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 321 
 322         if (S->stmt) {
 323                 PDO_DBG_RETURN(pdo_mysql_stmt_execute_prepared(stmt));
 324         }
 325 
 326         /* ensure that we free any previous unfetched results */
 327         if (S->result) {
 328                 mysql_free_result(S->result);
 329                 S->result = NULL;
 330         }
 331 
 332         if (mysql_real_query(H->server, stmt->active_query_string, stmt->active_query_stringlen) != 0) {
 333                 pdo_mysql_error_stmt(stmt);
 334                 PDO_DBG_RETURN(0);
 335         }
 336 
 337         PDO_DBG_RETURN(pdo_mysql_fill_stmt_from_result(stmt));
 338 }
 339 /* }}} */
 340 
 341 static int pdo_mysql_stmt_next_rowset(pdo_stmt_t *stmt) /* {{{ */
 342 {
 343         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 344         pdo_mysql_db_handle *H = S->H;
 345 #if PDO_USE_MYSQLND
 346         zend_long row_count;
 347 #endif
 348         PDO_DBG_ENTER("pdo_mysql_stmt_next_rowset");
 349         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 350 
 351 #if PDO_USE_MYSQLND
 352         if (!H->emulate_prepare) {
 353                 if (!mysqlnd_stmt_more_results(S->stmt)) {
 354                         PDO_DBG_RETURN(0);
 355                 }
 356                 if (mysqlnd_stmt_next_result(S->stmt)) {
 357                         PDO_DBG_RETURN(0);
 358                 }
 359 
 360                 if (!mysqlnd_stmt_more_results(S->stmt)) {
 361                         /*
 362                         MySQL gives us n + 1 result sets for
 363                         CALL proc() and n result sets returned by the proc itself.
 364                         Result set n + 1 is about the procedure call itself.
 365                         As the PDO emulation does not return it, we skip it as well
 366                         */
 367                         PDO_DBG_RETURN(0);
 368                 }
 369 
 370                 /* TODO - this code is stolen from execute() - see above */
 371                 if (S->result) {
 372                         mysql_free_result(S->result);
 373                         S->result = NULL;
 374                 }
 375                 {
 376                         /* for SHOW/DESCRIBE and others the column/field count is not available before execute */
 377                         int i;
 378 
 379                         stmt->column_count = mysql_stmt_field_count(S->stmt);
 380                         for (i = 0; i < stmt->column_count; i++) {
 381                                 mysqlnd_stmt_bind_one_result(S->stmt, i);
 382                         }
 383                 }
 384 
 385                 S->result = mysqlnd_stmt_result_metadata(S->stmt);
 386                 if (S->result) {
 387                         S->fields = mysql_fetch_fields(S->result);
 388 
 389                         /* if buffered, pre-fetch all the data */
 390                         if (H->buffered) {
 391                                 if (mysql_stmt_store_result(S->stmt)) {
 392                                         PDO_DBG_RETURN(1);
 393                                 }
 394                         }
 395                 }
 396                 row_count = (zend_long) mysql_stmt_affected_rows(S->stmt);
 397                 if (row_count != (zend_long)-1) {
 398                         stmt->row_count = row_count;
 399                 }
 400                 PDO_DBG_RETURN(1);
 401         }
 402 #endif
 403 
 404 /* ensure that we free any previous unfetched results */
 405 #ifndef PDO_USE_MYSQLND
 406         if (S->stmt) {
 407                 if (S->result) {
 408                         stmt->column_count = (int)mysql_num_fields(S->result);
 409                 }
 410                 mysql_stmt_free_result(S->stmt);
 411         }
 412 #endif
 413         if (S->result) {
 414                 mysql_free_result(S->result);
 415                 S->result = NULL;
 416         }
 417 
 418         if (!mysql_more_results(H->server)) {
 419                 /* No more results */
 420                 PDO_DBG_RETURN(0);
 421         }
 422 #if PDO_USE_MYSQLND
 423         if (mysql_next_result(H->server) == FAIL) {
 424                 pdo_mysql_error_stmt(stmt);
 425                 PDO_DBG_RETURN(0);
 426         } else {
 427                 PDO_DBG_RETURN(pdo_mysql_fill_stmt_from_result(stmt));
 428         }
 429 #else
 430         if (mysql_next_result(H->server) > 0) {
 431                 pdo_mysql_error_stmt(stmt);
 432                 PDO_DBG_RETURN(0);
 433         } else {
 434                 PDO_DBG_RETURN(pdo_mysql_fill_stmt_from_result(stmt));
 435         }
 436 #endif
 437 }
 438 /* }}} */
 439 
 440 
 441 static const char * const pdo_param_event_names[] =
 442 {
 443         "PDO_PARAM_EVT_ALLOC",
 444         "PDO_PARAM_EVT_FREE",
 445         "PDO_PARAM_EVT_EXEC_PRE",
 446         "PDO_PARAM_EVT_EXEC_POST",
 447         "PDO_PARAM_EVT_FETCH_PRE",
 448         "PDO_PARAM_EVT_FETCH_POST",
 449         "PDO_PARAM_EVT_NORMALIZE",
 450 };
 451 
 452 
 453 static int pdo_mysql_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_data *param, enum pdo_param_event event_type) /* {{{ */
 454 {
 455         zval *parameter;
 456 #ifndef PDO_USE_MYSQLND
 457         PDO_MYSQL_PARAM_BIND *b;
 458 #endif
 459         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 460 
 461         PDO_DBG_ENTER("pdo_mysql_stmt_param_hook");
 462         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 463         PDO_DBG_INF_FMT("event = %s", pdo_param_event_names[event_type]);
 464         if (S->stmt && param->is_param) {
 465                 switch (event_type) {
 466                         case PDO_PARAM_EVT_ALLOC:
 467                                 /* sanity check parameter number range */
 468                                 if (param->paramno < 0 || param->paramno >= S->num_params) {
 469                                         strcpy(stmt->error_code, "HY093");
 470                                         PDO_DBG_RETURN(0);
 471                                 }
 472                                 S->params_given++;
 473 
 474 #ifndef PDO_USE_MYSQLND
 475                                 b = &S->params[param->paramno];
 476                                 param->driver_data = b;
 477                                 b->is_null = &S->in_null[param->paramno];
 478                                 b->length = &S->in_length[param->paramno];
 479                                 /* recall how many parameters have been provided */
 480 #endif
 481                                 PDO_DBG_RETURN(1);
 482 
 483                         case PDO_PARAM_EVT_EXEC_PRE:
 484                                 if (S->params_given < (unsigned int) S->num_params) {
 485                                         /* too few parameter bound */
 486                                         PDO_DBG_ERR("too few parameters bound");
 487                                         strcpy(stmt->error_code, "HY093");
 488                                         PDO_DBG_RETURN(0);
 489                                 }
 490 
 491                                 if (!Z_ISREF(param->parameter)) {
 492                                         parameter = &param->parameter;
 493                                 } else {
 494                                         parameter = Z_REFVAL(param->parameter);
 495                                 }
 496 
 497 #if PDO_USE_MYSQLND
 498                                 if (PDO_PARAM_TYPE(param->param_type) == PDO_PARAM_NULL || (Z_TYPE_P(parameter) == IS_NULL)) {
 499                                         mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, parameter, MYSQL_TYPE_NULL);
 500                                         PDO_DBG_RETURN(1);
 501                                 }
 502 #else
 503                                 b = (PDO_MYSQL_PARAM_BIND*)param->driver_data;
 504                                 *b->is_null = 0;
 505                                 if (PDO_PARAM_TYPE(param->param_type) == PDO_PARAM_NULL || Z_TYPE_P(parameter) == IS_NULL) {
 506                                         *b->is_null = 1;
 507                                         b->buffer_type = MYSQL_TYPE_STRING;
 508                                         b->buffer = NULL;
 509                                         b->buffer_length = 0;
 510                                         *b->length = 0;
 511                                         PDO_DBG_RETURN(1);
 512                                 }
 513 #endif /* PDO_USE_MYSQLND */
 514 
 515                                 switch (PDO_PARAM_TYPE(param->param_type)) {
 516                                         case PDO_PARAM_STMT:
 517                                                 PDO_DBG_RETURN(0);
 518                                         case PDO_PARAM_LOB:
 519                                                 PDO_DBG_INF("PDO_PARAM_LOB");
 520                                                 if (!Z_ISREF(param->parameter)) {
 521                                                         parameter = &param->parameter;
 522                                                 } else {
 523                                                         parameter = Z_REFVAL(param->parameter);
 524                                                 }
 525                                                 if (Z_TYPE_P(parameter) == IS_RESOURCE) {
 526                                                         php_stream *stm = NULL;
 527                                                         php_stream_from_zval_no_verify(stm, parameter);
 528                                                         if (stm) {
 529                                                                 zend_string *mem = php_stream_copy_to_mem(stm, PHP_STREAM_COPY_ALL, 0);
 530                                                                 zval_ptr_dtor(parameter);
 531                                                                 ZVAL_STR(parameter, mem ? mem : ZSTR_EMPTY_ALLOC());
 532                                                         } else {
 533                                                                 pdo_raise_impl_error(stmt->dbh, stmt, "HY105", "Expected a stream resource");
 534                                                                 return 0;
 535                                                         }
 536                                                 }
 537                                                 /* fall through */
 538 
 539                                         default:
 540                                                 ;
 541                                 }
 542 
 543 #if PDO_USE_MYSQLND
 544                                 /* Is it really correct to check the zval's type? - But well, that's what the old code below does, too */
 545                                 PDO_DBG_INF_FMT("param->parameter->type=%d", Z_TYPE(param->parameter));
 546                                 if (!Z_ISREF(param->parameter)) {
 547                                         parameter = &param->parameter;
 548                                 } else {
 549                                         parameter = Z_REFVAL(param->parameter);
 550                                 }
 551                                 switch (Z_TYPE_P(parameter)) {
 552                                         case IS_STRING:
 553                                                 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, parameter, MYSQL_TYPE_VAR_STRING);
 554                                                 break;
 555                                         case IS_LONG:
 556 #if SIZEOF_ZEND_LONG==8
 557                                                 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, parameter, MYSQL_TYPE_LONGLONG);
 558 #elif SIZEOF_ZEND_LONG==4
 559                                                 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, parameter, MYSQL_TYPE_LONG);
 560 #endif /* SIZEOF_LONG */
 561                                                 break;
 562                                         case IS_DOUBLE:
 563                                                 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, parameter, MYSQL_TYPE_DOUBLE);
 564                                                 break;
 565                                         default:
 566                                                 PDO_DBG_RETURN(0);
 567                                 }
 568 
 569                                 PDO_DBG_RETURN(1);
 570 #else
 571                                 PDO_DBG_INF_FMT("param->parameter->type=%d", Z_TYPE(param->parameter));
 572                                 if (!Z_ISREF(param->parameter)) {
 573                                         parameter = &param->parameter;
 574                                 } else {
 575                                         parameter = Z_REFVAL(param->parameter);
 576                                 }
 577                                 switch (Z_TYPE_P(parameter)) {
 578                                         case IS_STRING:
 579                                                 b->buffer_type = MYSQL_TYPE_STRING;
 580                                                 b->buffer = Z_STRVAL_P(parameter);
 581                                                 b->buffer_length = Z_STRLEN_P(parameter);
 582                                                 *b->length = Z_STRLEN_P(parameter);
 583                                                 PDO_DBG_RETURN(1);
 584 
 585                                         case IS_LONG:
 586                                                 b->buffer_type = MYSQL_TYPE_LONG;
 587                                                 b->buffer = &Z_LVAL_P(parameter);
 588                                                 PDO_DBG_RETURN(1);
 589 
 590                                         case IS_DOUBLE:
 591                                                 b->buffer_type = MYSQL_TYPE_DOUBLE;
 592                                                 b->buffer = &Z_DVAL_P(parameter);
 593                                                 PDO_DBG_RETURN(1);
 594 
 595                                         default:
 596                                                 PDO_DBG_RETURN(0);
 597                                 }
 598 #endif /* PDO_USE_MYSQLND */
 599                 case PDO_PARAM_EVT_FREE:
 600                 case PDO_PARAM_EVT_EXEC_POST:
 601                 case PDO_PARAM_EVT_FETCH_PRE:
 602                 case PDO_PARAM_EVT_FETCH_POST:
 603                 case PDO_PARAM_EVT_NORMALIZE:
 604                         /* do nothing */
 605                         break;
 606                 }
 607         }
 608 
 609         PDO_DBG_RETURN(1);
 610 }
 611 /* }}} */
 612 
 613 static int pdo_mysql_stmt_fetch(pdo_stmt_t *stmt, enum pdo_fetch_orientation ori, zend_long offset) /* {{{ */
 614 {
 615         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 616 #if PDO_USE_MYSQLND
 617         zend_bool fetched_anything;
 618 
 619         PDO_DBG_ENTER("pdo_mysql_stmt_fetch");
 620         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 621         if (S->stmt) {
 622                 if (FAIL == mysqlnd_stmt_fetch(S->stmt, &fetched_anything) || fetched_anything == FALSE) {
 623                         PDO_DBG_RETURN(0);
 624                 }
 625 
 626                 PDO_DBG_RETURN(1);
 627         }
 628 #else
 629         int ret;
 630 
 631         if (S->stmt) {
 632                 ret = mysql_stmt_fetch(S->stmt);
 633 
 634 #               ifdef MYSQL_DATA_TRUNCATED
 635                 if (ret == MYSQL_DATA_TRUNCATED) {
 636                         ret = 0;
 637                 }
 638 #               endif
 639 
 640                 if (ret) {
 641                         if (ret != MYSQL_NO_DATA) {
 642                                 pdo_mysql_error_stmt(stmt);
 643                         }
 644                         PDO_DBG_RETURN(0);
 645                 }
 646 
 647                 PDO_DBG_RETURN(1);
 648         }
 649 #endif /* PDO_USE_MYSQLND */
 650 
 651         if (!S->result) {
 652                 strcpy(stmt->error_code, "HY000");
 653                 PDO_DBG_RETURN(0);
 654         }
 655 #if PDO_USE_MYSQLND
 656         if (!S->stmt && S->current_data) {
 657                 mnd_free(S->current_data);
 658         }
 659 #endif /* PDO_USE_MYSQLND */
 660 
 661         if ((S->current_data = mysql_fetch_row(S->result)) == NULL) {
 662 #if PDO_USE_MYSQLND
 663                 if (S->result->unbuf && !S->result->unbuf->eof_reached && mysql_errno(S->H->server)) {
 664 #else
 665                 if (!S->result->eof && mysql_errno(S->H->server)) {
 666 #endif
 667                         pdo_mysql_error_stmt(stmt);
 668                 }
 669                 PDO_DBG_RETURN(0);
 670         }
 671 
 672         S->current_lengths = mysql_fetch_lengths(S->result);
 673         PDO_DBG_RETURN(1);
 674 }
 675 /* }}} */
 676 
 677 static int pdo_mysql_stmt_describe(pdo_stmt_t *stmt, int colno) /* {{{ */
 678 {
 679         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 680         struct pdo_column_data *cols = stmt->columns;
 681         int i;
 682 
 683         PDO_DBG_ENTER("pdo_mysql_stmt_describe");
 684         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 685         if (!S->result) {
 686                 PDO_DBG_RETURN(0);
 687         }
 688 
 689         if (colno >= stmt->column_count) {
 690                 /* error invalid column */
 691                 PDO_DBG_RETURN(0);
 692         }
 693 
 694         /* fetch all on demand, this seems easiest
 695         ** if we've been here before bail out
 696         */
 697         if (cols[0].name) {
 698                 PDO_DBG_RETURN(1);
 699         }
 700         for (i = 0; i < stmt->column_count; i++) {
 701 
 702                 if (S->H->fetch_table_names) {
 703                         cols[i].name = strpprintf(0, "%s.%s", S->fields[i].table, S->fields[i].name);
 704                 } else {
 705                         cols[i].name = zend_string_init(S->fields[i].name, S->fields[i].name_length, 0);
 706                 }
 707 
 708                 cols[i].precision = S->fields[i].decimals;
 709                 cols[i].maxlen = S->fields[i].length;
 710 
 711 #ifdef PDO_USE_MYSQLND
 712                 if (S->stmt) {
 713                         cols[i].param_type = PDO_PARAM_ZVAL;
 714                 } else
 715 #endif
 716                 {
 717                         cols[i].param_type = PDO_PARAM_STR;
 718                 }
 719         }
 720         PDO_DBG_RETURN(1);
 721 }
 722 /* }}} */
 723 
 724 static int pdo_mysql_stmt_get_col(pdo_stmt_t *stmt, int colno, char **ptr, size_t *len, int *caller_frees) /* {{{ */
 725 {
 726         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 727 
 728         PDO_DBG_ENTER("pdo_mysql_stmt_get_col");
 729         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 730         if (!S->result) {
 731                 PDO_DBG_RETURN(0);
 732         }
 733 
 734         /* With mysqlnd data is stored inside mysqlnd, not S->current_data */
 735         if (!S->stmt) {
 736                 if (S->current_data == NULL || !S->result) {
 737                         PDO_DBG_RETURN(0);
 738                 }
 739         }
 740 
 741         if (colno >= stmt->column_count) {
 742                 /* error invalid column */
 743                 PDO_DBG_RETURN(0);
 744         }
 745 #if PDO_USE_MYSQLND
 746         if (S->stmt) {
 747                 Z_TRY_ADDREF(S->stmt->data->result_bind[colno].zv);
 748                 *ptr = (char*)&S->stmt->data->result_bind[colno].zv;
 749                 *len = sizeof(zval);
 750                 PDO_DBG_RETURN(1);
 751         }
 752 #else
 753         if (S->stmt) {
 754                 if (S->out_null[colno]) {
 755                         *ptr = NULL;
 756                         *len = 0;
 757                         PDO_DBG_RETURN(1);
 758                 }
 759                 *ptr = S->bound_result[colno].buffer;
 760                 if (S->out_length[colno] > S->bound_result[colno].buffer_length) {
 761                         /* mysql lied about the column width */
 762                         strcpy(stmt->error_code, "01004"); /* truncated */
 763                         S->out_length[colno] = S->bound_result[colno].buffer_length;
 764                         *len = S->out_length[colno];
 765                         PDO_DBG_RETURN(0);
 766                 }
 767                 *len = S->out_length[colno];
 768                 PDO_DBG_RETURN(1);
 769         }
 770 #endif
 771         *ptr = S->current_data[colno];
 772         *len = S->current_lengths[colno];
 773         PDO_DBG_RETURN(1);
 774 } /* }}} */
 775 
 776 static char *type_to_name_native(int type) /* {{{ */
 777 {
 778 #define PDO_MYSQL_NATIVE_TYPE_NAME(x)   case FIELD_TYPE_##x: return #x;
 779 
 780     switch (type) {
 781         PDO_MYSQL_NATIVE_TYPE_NAME(STRING)
 782         PDO_MYSQL_NATIVE_TYPE_NAME(VAR_STRING)
 783 #ifdef FIELD_TYPE_TINY
 784         PDO_MYSQL_NATIVE_TYPE_NAME(TINY)
 785 #endif
 786 #ifdef FIELD_TYPE_BIT
 787         PDO_MYSQL_NATIVE_TYPE_NAME(BIT)
 788 #endif
 789         PDO_MYSQL_NATIVE_TYPE_NAME(SHORT)
 790         PDO_MYSQL_NATIVE_TYPE_NAME(LONG)
 791         PDO_MYSQL_NATIVE_TYPE_NAME(LONGLONG)
 792         PDO_MYSQL_NATIVE_TYPE_NAME(INT24)
 793         PDO_MYSQL_NATIVE_TYPE_NAME(FLOAT)
 794         PDO_MYSQL_NATIVE_TYPE_NAME(DOUBLE)
 795         PDO_MYSQL_NATIVE_TYPE_NAME(DECIMAL)
 796 #ifdef FIELD_TYPE_NEWDECIMAL
 797         PDO_MYSQL_NATIVE_TYPE_NAME(NEWDECIMAL)
 798 #endif
 799 #ifdef FIELD_TYPE_GEOMETRY
 800         PDO_MYSQL_NATIVE_TYPE_NAME(GEOMETRY)
 801 #endif
 802         PDO_MYSQL_NATIVE_TYPE_NAME(TIMESTAMP)
 803 #ifdef FIELD_TYPE_YEAR
 804         PDO_MYSQL_NATIVE_TYPE_NAME(YEAR)
 805 #endif
 806         PDO_MYSQL_NATIVE_TYPE_NAME(SET)
 807         PDO_MYSQL_NATIVE_TYPE_NAME(ENUM)
 808         PDO_MYSQL_NATIVE_TYPE_NAME(DATE)
 809 #ifdef FIELD_TYPE_NEWDATE
 810         PDO_MYSQL_NATIVE_TYPE_NAME(NEWDATE)
 811 #endif
 812         PDO_MYSQL_NATIVE_TYPE_NAME(TIME)
 813         PDO_MYSQL_NATIVE_TYPE_NAME(DATETIME)
 814         PDO_MYSQL_NATIVE_TYPE_NAME(TINY_BLOB)
 815         PDO_MYSQL_NATIVE_TYPE_NAME(MEDIUM_BLOB)
 816         PDO_MYSQL_NATIVE_TYPE_NAME(LONG_BLOB)
 817         PDO_MYSQL_NATIVE_TYPE_NAME(BLOB)
 818         PDO_MYSQL_NATIVE_TYPE_NAME(NULL)
 819         default:
 820             return NULL;
 821     }
 822 #undef PDO_MYSQL_NATIVE_TYPE_NAME
 823 } /* }}} */
 824 
 825 static int pdo_mysql_stmt_col_meta(pdo_stmt_t *stmt, zend_long colno, zval *return_value) /* {{{ */
 826 {
 827         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 828         const MYSQL_FIELD *F;
 829         zval flags;
 830         char *str;
 831 
 832         PDO_DBG_ENTER("pdo_mysql_stmt_col_meta");
 833         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 834         if (!S->result) {
 835                 PDO_DBG_RETURN(FAILURE);
 836         }
 837         if (colno >= stmt->column_count) {
 838                 /* error invalid column */
 839                 PDO_DBG_RETURN(FAILURE);
 840         }
 841 
 842         array_init(return_value);
 843         array_init(&flags);
 844 
 845         F = S->fields + colno;
 846 
 847         if (F->def) {
 848                 add_assoc_string(return_value, "mysql:def", F->def);
 849         }
 850         if (IS_NOT_NULL(F->flags)) {
 851                 add_next_index_string(&flags, "not_null");
 852         }
 853         if (IS_PRI_KEY(F->flags)) {
 854                 add_next_index_string(&flags, "primary_key");
 855         }
 856         if (F->flags & MULTIPLE_KEY_FLAG) {
 857                 add_next_index_string(&flags, "multiple_key");
 858         }
 859         if (F->flags & UNIQUE_KEY_FLAG) {
 860                 add_next_index_string(&flags, "unique_key");
 861         }
 862         if (IS_BLOB(F->flags)) {
 863                 add_next_index_string(&flags, "blob");
 864         }
 865         str = type_to_name_native(F->type);
 866         if (str) {
 867                 add_assoc_string(return_value, "native_type", str);
 868         }
 869 
 870 #ifdef PDO_USE_MYSQLND
 871         switch (F->type) {
 872                 case MYSQL_TYPE_BIT:
 873                 case MYSQL_TYPE_YEAR:
 874                 case MYSQL_TYPE_TINY:
 875                 case MYSQL_TYPE_SHORT:
 876                 case MYSQL_TYPE_INT24:
 877                 case MYSQL_TYPE_LONG:
 878 #if SIZEOF_LONG==8
 879                 case MYSQL_TYPE_LONGLONG:
 880 #endif
 881                         add_assoc_long(return_value, "pdo_type", PDO_PARAM_INT);
 882                         break;
 883                 default:
 884                         add_assoc_long(return_value, "pdo_type", PDO_PARAM_STR);
 885                         break;
 886         }
 887 #endif
 888 
 889         add_assoc_zval(return_value, "flags", &flags);
 890         add_assoc_string(return_value, "table", (char *) (F->table?F->table : ""));
 891 
 892         PDO_DBG_RETURN(SUCCESS);
 893 } /* }}} */
 894 
 895 static int pdo_mysql_stmt_cursor_closer(pdo_stmt_t *stmt) /* {{{ */
 896 {
 897         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 898 
 899         PDO_DBG_ENTER("pdo_mysql_stmt_cursor_closer");
 900         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 901         if (S->result) {
 902                 mysql_free_result(S->result);
 903                 S->result = NULL;
 904         }
 905         if (S->stmt) {
 906                 int retval;
 907                 retval = mysql_stmt_free_result(S->stmt);
 908                 PDO_DBG_RETURN(retval ? 0 : 1);
 909         }
 910 
 911         while (mysql_more_results(S->H->server)) {
 912                 MYSQL_RES *res;
 913                 if (mysql_next_result(S->H->server) != 0) {
 914                         break;
 915                 }
 916                 res = mysql_store_result(S->H->server);
 917                 if (res) {
 918                         mysql_free_result(res);
 919                 }
 920         }
 921         PDO_DBG_RETURN(1);
 922 }
 923 /* }}} */
 924 
 925 struct pdo_stmt_methods mysql_stmt_methods = {
 926         pdo_mysql_stmt_dtor,
 927         pdo_mysql_stmt_execute,
 928         pdo_mysql_stmt_fetch,
 929         pdo_mysql_stmt_describe,
 930         pdo_mysql_stmt_get_col,
 931         pdo_mysql_stmt_param_hook,
 932         NULL, /* set_attr */
 933         NULL, /* get_attr */
 934         pdo_mysql_stmt_col_meta,
 935         pdo_mysql_stmt_next_rowset,
 936         pdo_mysql_stmt_cursor_closer
 937 };
 938 
 939 /*
 940  * Local variables:
 941  * tab-width: 4
 942  * c-basic-offset: 4
 943  * End:
 944  * vim600: noet sw=4 ts=4 fdm=marker
 945  * vim<600: noet sw=4 ts=4
 946  */
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root/ext/pdo_mysql/mysql_statement.c

DEFINITIONS
