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 5                                                        |
   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 TSRMLS_CC)
  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 TSRMLS_CC)
  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 TSRMLS_DC) /* {{{ */
  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 
  92         if (S->H->server) {
  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 TSRMLS_DC) /* {{{ */
 118 {
 119         long row_count;
 120         pdo_mysql_stmt *S = stmt->driver_data;
 121         row_count = (long) mysql_stmt_affected_rows(S->stmt);
 122         if (row_count != (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 TSRMLS_DC) /* {{{ */
 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 = (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 = (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 TSRMLS_DC) /* {{{ */
 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(unsigned long));
 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 TSRMLS_CC);
 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 TSRMLS_DC) /* {{{ */
 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 TSRMLS_CC);
 310         PDO_DBG_RETURN(1);
 311 }
 312 /* }}} */
 313 #endif
 314 
 315 static int pdo_mysql_stmt_execute(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
 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 TSRMLS_CC));
 338 }
 339 /* }}} */
 340 
 341 static int pdo_mysql_stmt_next_rowset(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
 342 {
 343         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 344         pdo_mysql_db_handle *H = S->H;
 345         long row_count;
 346         PDO_DBG_ENTER("pdo_mysql_stmt_next_rowset");
 347         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 348 
 349 #if PDO_USE_MYSQLND
 350         if (!H->emulate_prepare) {
 351                 if (!mysqlnd_stmt_more_results(S->stmt)) {
 352                         PDO_DBG_RETURN(0);
 353                 }
 354                 if (mysqlnd_stmt_next_result(S->stmt)) {
 355                         PDO_DBG_RETURN(0);
 356                 }
 357 
 358                 if (!mysqlnd_stmt_more_results(S->stmt)) {
 359                         /*
 360                         MySQL gives us n + 1 result sets for
 361                         CALL proc() and n result sets returned by the proc itself.
 362                         Result set n + 1 is about the procedure call itself.
 363                         As the PDO emulation does not return it, we skip it as well
 364                         */
 365                         PDO_DBG_RETURN(0);
 366                 }
 367 
 368                 /* TODO - this code is stolen from execute() - see above */
 369                 if (S->result) {
 370                         mysql_free_result(S->result);
 371                         S->result = NULL;
 372                 }
 373                 {
 374                         /* for SHOW/DESCRIBE and others the column/field count is not available before execute */
 375                         int i;
 376 
 377                         stmt->column_count = mysql_stmt_field_count(S->stmt);
 378                         for (i = 0; i < stmt->column_count; i++) {
 379                                 mysqlnd_stmt_bind_one_result(S->stmt, i);
 380                         }
 381                 }
 382 
 383                 S->result = mysqlnd_stmt_result_metadata(S->stmt);
 384                 if (S->result) {
 385                         S->fields = mysql_fetch_fields(S->result);
 386 
 387                         /* if buffered, pre-fetch all the data */
 388                         if (H->buffered) {
 389                                 if (mysql_stmt_store_result(S->stmt)) {
 390                                         PDO_DBG_RETURN(1);
 391                                 }
 392                         }
 393                 }
 394                 row_count = (long) mysql_stmt_affected_rows(S->stmt);
 395                 if (row_count != (long)-1) {
 396                         stmt->row_count = row_count;
 397                 }
 398                 PDO_DBG_RETURN(1);
 399         }
 400 #endif
 401 
 402 /* ensure that we free any previous unfetched results */
 403 #ifndef PDO_USE_MYSQLND
 404         if (S->stmt) {
 405                 stmt->column_count = (int)mysql_num_fields(S->result);
 406                 mysql_stmt_free_result(S->stmt);
 407         }
 408 #endif
 409         if (S->result) {
 410                 mysql_free_result(S->result);
 411                 S->result = NULL;
 412         }
 413 
 414         if (!mysql_more_results(H->server)) {
 415                 /* No more results */
 416                 PDO_DBG_RETURN(0);      
 417         }
 418 #if PDO_USE_MYSQLND
 419         if (mysql_next_result(H->server) == FAIL) {
 420                 pdo_mysql_error_stmt(stmt);
 421                 PDO_DBG_RETURN(0);
 422         } else {
 423                 PDO_DBG_RETURN(pdo_mysql_fill_stmt_from_result(stmt TSRMLS_CC));
 424         }
 425 #else
 426         if (mysql_next_result(H->server) > 0) {
 427                 pdo_mysql_error_stmt(stmt);
 428                 PDO_DBG_RETURN(0);
 429         } else {
 430                 PDO_DBG_RETURN(pdo_mysql_fill_stmt_from_result(stmt TSRMLS_CC));
 431         }
 432 #endif
 433 }
 434 /* }}} */
 435 
 436 
 437 static const char * const pdo_param_event_names[] =
 438 {
 439         "PDO_PARAM_EVT_ALLOC",
 440         "PDO_PARAM_EVT_FREE",
 441         "PDO_PARAM_EVT_EXEC_PRE",
 442         "PDO_PARAM_EVT_EXEC_POST",
 443         "PDO_PARAM_EVT_FETCH_PRE",
 444         "PDO_PARAM_EVT_FETCH_POST",
 445         "PDO_PARAM_EVT_NORMALIZE",
 446 };
 447 
 448 
 449 static int pdo_mysql_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_data *param, enum pdo_param_event event_type TSRMLS_DC) /* {{{ */
 450 {
 451 #ifndef PDO_USE_MYSQLND
 452         PDO_MYSQL_PARAM_BIND *b;
 453 #endif
 454         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 455 
 456         PDO_DBG_ENTER("pdo_mysql_stmt_param_hook");
 457         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 458         PDO_DBG_INF_FMT("event = %s", pdo_param_event_names[event_type]);
 459         if (S->stmt && param->is_param) {
 460                 switch (event_type) {
 461                         case PDO_PARAM_EVT_ALLOC:
 462                                 /* sanity check parameter number range */
 463                                 if (param->paramno < 0 || param->paramno >= S->num_params) {
 464                                         strcpy(stmt->error_code, "HY093");
 465                                         PDO_DBG_RETURN(0);
 466                                 }
 467                                 S->params_given++;
 468 
 469 #ifndef PDO_USE_MYSQLND
 470                                 b = &S->params[param->paramno];
 471                                 param->driver_data = b;
 472                                 b->is_null = &S->in_null[param->paramno];
 473                                 b->length = &S->in_length[param->paramno];
 474                                 /* recall how many parameters have been provided */
 475 #endif
 476                                 PDO_DBG_RETURN(1);
 477 
 478                         case PDO_PARAM_EVT_EXEC_PRE:
 479                                 if (S->params_given < (unsigned int) S->num_params) {
 480                                         /* too few parameter bound */
 481                                         PDO_DBG_ERR("too few parameters bound");
 482                                         strcpy(stmt->error_code, "HY093");
 483                                         PDO_DBG_RETURN(0);
 484                                 }
 485 
 486 #if PDO_USE_MYSQLND
 487                                 if (PDO_PARAM_TYPE(param->param_type) == PDO_PARAM_NULL ||
 488                                                 Z_TYPE_P(param->parameter) == IS_NULL) {
 489                                         mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, param->parameter, MYSQL_TYPE_NULL);
 490                                         PDO_DBG_RETURN(1);
 491                                 }
 492 #else
 493                                 b = (PDO_MYSQL_PARAM_BIND*)param->driver_data;
 494                                 *b->is_null = 0;
 495                                 if (PDO_PARAM_TYPE(param->param_type) == PDO_PARAM_NULL ||
 496                                                 Z_TYPE_P(param->parameter) == IS_NULL) {
 497                                         *b->is_null = 1;
 498                                         b->buffer_type = MYSQL_TYPE_STRING;
 499                                         b->buffer = NULL;
 500                                         b->buffer_length = 0;
 501                                         *b->length = 0;
 502                                         PDO_DBG_RETURN(1);
 503                                 }
 504 #endif /* PDO_USE_MYSQLND */
 505 
 506                                 switch (PDO_PARAM_TYPE(param->param_type)) {
 507                                         case PDO_PARAM_STMT:
 508                                                 PDO_DBG_RETURN(0);
 509                                         case PDO_PARAM_LOB:
 510                                                 PDO_DBG_INF("PDO_PARAM_LOB");
 511                                                 if (Z_TYPE_P(param->parameter) == IS_RESOURCE) {
 512                                                         php_stream *stm;
 513                                                         php_stream_from_zval_no_verify(stm, &param->parameter);
 514                                                         if (stm) {
 515                                                                 SEPARATE_ZVAL_IF_NOT_REF(&param->parameter);
 516                                                                 Z_TYPE_P(param->parameter) = IS_STRING;
 517                                                                 Z_STRLEN_P(param->parameter) = php_stream_copy_to_mem(stm,
 518                                                                         &Z_STRVAL_P(param->parameter), PHP_STREAM_COPY_ALL, 0);
 519                                                         } else {
 520                                                                 pdo_raise_impl_error(stmt->dbh, stmt, "HY105", "Expected a stream resource" TSRMLS_CC);
 521                                                                 return 0;
 522                                                         }
 523                                                 }
 524                                                 /* fall through */
 525 
 526                                         default:
 527                                                 ;
 528                                 }
 529 
 530 #if PDO_USE_MYSQLND
 531                                 /* Is it really correct to check the zval's type? - But well, that's what the old code below does, too */
 532                                 PDO_DBG_INF_FMT("param->parameter->type=%d", Z_TYPE_P(param->parameter));
 533                                 switch (Z_TYPE_P(param->parameter)) {
 534                                         case IS_STRING:
 535                                                 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, param->parameter, MYSQL_TYPE_VAR_STRING);
 536                                                 break;
 537                                         case IS_LONG:
 538 #if SIZEOF_LONG==8
 539                                                 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, param->parameter, MYSQL_TYPE_LONGLONG);
 540 #elif SIZEOF_LONG==4
 541                                                 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, param->parameter, MYSQL_TYPE_LONG);
 542 #endif /* SIZEOF_LONG */
 543                                                 break;
 544                                         case IS_DOUBLE:
 545                                                 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, param->parameter, MYSQL_TYPE_DOUBLE);
 546                                                 break;
 547                                         default:
 548                                                 PDO_DBG_RETURN(0);
 549                                 }
 550 
 551                                 PDO_DBG_RETURN(1);
 552 #else
 553                                 PDO_DBG_INF_FMT("param->parameter->type=%d", Z_TYPE_P(param->parameter));
 554                                 switch (Z_TYPE_P(param->parameter)) {
 555                                         case IS_STRING:
 556                                                 b->buffer_type = MYSQL_TYPE_STRING;
 557                                                 b->buffer = Z_STRVAL_P(param->parameter);
 558                                                 b->buffer_length = Z_STRLEN_P(param->parameter);
 559                                                 *b->length = Z_STRLEN_P(param->parameter);
 560                                                 PDO_DBG_RETURN(1);
 561 
 562                                         case IS_LONG:
 563                                                 b->buffer_type = MYSQL_TYPE_LONG;
 564                                                 b->buffer = &Z_LVAL_P(param->parameter);
 565                                                 PDO_DBG_RETURN(1);
 566 
 567                                         case IS_DOUBLE:
 568                                                 b->buffer_type = MYSQL_TYPE_DOUBLE;
 569                                                 b->buffer = &Z_DVAL_P(param->parameter);
 570                                                 PDO_DBG_RETURN(1);
 571 
 572                                         default:
 573                                                 PDO_DBG_RETURN(0);
 574                                 }
 575 #endif /* PDO_USE_MYSQLND */
 576                 case PDO_PARAM_EVT_FREE:
 577                 case PDO_PARAM_EVT_EXEC_POST:
 578                 case PDO_PARAM_EVT_FETCH_PRE:
 579                 case PDO_PARAM_EVT_FETCH_POST:
 580                 case PDO_PARAM_EVT_NORMALIZE:
 581                         /* do nothing */
 582                         break;
 583                 }
 584         }
 585 
 586         PDO_DBG_RETURN(1);
 587 }
 588 /* }}} */
 589 
 590 static int pdo_mysql_stmt_fetch(pdo_stmt_t *stmt, enum pdo_fetch_orientation ori, long offset TSRMLS_DC) /* {{{ */
 591 {
 592         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 593 #if PDO_USE_MYSQLND
 594         zend_bool fetched_anything;
 595 
 596         PDO_DBG_ENTER("pdo_mysql_stmt_fetch");
 597         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 598         if (S->stmt) {
 599                 if (FAIL == mysqlnd_stmt_fetch(S->stmt, &fetched_anything) || fetched_anything == FALSE) {
 600                         PDO_DBG_RETURN(0);
 601                 }
 602 
 603                 PDO_DBG_RETURN(1);
 604         }
 605 #else
 606         int ret;
 607 
 608         if (S->stmt) {
 609                 ret = mysql_stmt_fetch(S->stmt);
 610 
 611 #               ifdef MYSQL_DATA_TRUNCATED
 612                 if (ret == MYSQL_DATA_TRUNCATED) {
 613                         ret = 0;
 614                 }
 615 #               endif
 616 
 617                 if (ret) {
 618                         if (ret != MYSQL_NO_DATA) {
 619                                 pdo_mysql_error_stmt(stmt);
 620                         }
 621                         PDO_DBG_RETURN(0);
 622                 }
 623 
 624                 PDO_DBG_RETURN(1);
 625         }
 626 #endif /* PDO_USE_MYSQLND */
 627 
 628         if (!S->result) {
 629                 strcpy(stmt->error_code, "HY000");
 630                 PDO_DBG_RETURN(0);
 631         }
 632 #if PDO_USE_MYSQLND
 633         if (!S->stmt && S->current_data) {
 634                 mnd_free(S->current_data);
 635         }
 636 #endif /* PDO_USE_MYSQLND */
 637 
 638         if ((S->current_data = mysql_fetch_row(S->result)) == NULL) {
 639 #if PDO_USE_MYSQLND
 640                 if (S->result->unbuf && !S->result->unbuf->eof_reached && mysql_errno(S->H->server)) {
 641 #else
 642                 if (!S->result->eof && mysql_errno(S->H->server)) {
 643 #endif
 644                         pdo_mysql_error_stmt(stmt);
 645                 }
 646                 PDO_DBG_RETURN(0);
 647         }
 648 
 649         S->current_lengths = mysql_fetch_lengths(S->result);
 650         PDO_DBG_RETURN(1);
 651 }
 652 /* }}} */
 653 
 654 static int pdo_mysql_stmt_describe(pdo_stmt_t *stmt, int colno TSRMLS_DC) /* {{{ */
 655 {
 656         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 657         struct pdo_column_data *cols = stmt->columns;
 658         int i;
 659 
 660         PDO_DBG_ENTER("pdo_mysql_stmt_describe");
 661         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 662         if (!S->result) {
 663                 PDO_DBG_RETURN(0);
 664         }
 665 
 666         if (colno >= stmt->column_count) {
 667                 /* error invalid column */
 668                 PDO_DBG_RETURN(0);
 669         }
 670 
 671         /* fetch all on demand, this seems easiest
 672         ** if we've been here before bail out
 673         */
 674         if (cols[0].name) {
 675                 PDO_DBG_RETURN(1);
 676         }
 677         for (i = 0; i < stmt->column_count; i++) {
 678                 int namelen;
 679 
 680                 if (S->H->fetch_table_names) {
 681                         namelen = spprintf(&cols[i].name, 0, "%s.%s", S->fields[i].table, S->fields[i].name);
 682                         cols[i].namelen = namelen;
 683                 } else {
 684                         namelen = strlen(S->fields[i].name);
 685                         cols[i].namelen = namelen;
 686                         cols[i].name = estrndup(S->fields[i].name, namelen);
 687                 }
 688 
 689                 cols[i].precision = S->fields[i].decimals;
 690                 cols[i].maxlen = S->fields[i].length;
 691 
 692 #ifdef PDO_USE_MYSQLND
 693                 if (S->stmt) {
 694                         cols[i].param_type = PDO_PARAM_ZVAL;
 695                 } else
 696 #endif
 697                 {
 698                         cols[i].param_type = PDO_PARAM_STR;
 699                 }
 700         }
 701         PDO_DBG_RETURN(1);
 702 }
 703 /* }}} */
 704 
 705 static int pdo_mysql_stmt_get_col(pdo_stmt_t *stmt, int colno, char **ptr, unsigned long *len, int *caller_frees TSRMLS_DC) /* {{{ */
 706 {
 707         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 708 
 709         PDO_DBG_ENTER("pdo_mysql_stmt_get_col");
 710         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 711         if (!S->result) {
 712                 PDO_DBG_RETURN(0);
 713         }
 714 
 715         /* With mysqlnd data is stored inside mysqlnd, not S->current_data */
 716         if (!S->stmt) {
 717                 if (S->current_data == NULL || !S->result) {
 718                         PDO_DBG_RETURN(0);
 719                 }
 720         }
 721 
 722         if (colno >= stmt->column_count) {
 723                 /* error invalid column */
 724                 PDO_DBG_RETURN(0);
 725         }
 726 #if PDO_USE_MYSQLND
 727         if (S->stmt) {
 728                 Z_ADDREF_P(S->stmt->data->result_bind[colno].zv);
 729                 *ptr = (char*)&S->stmt->data->result_bind[colno].zv;
 730                 *len = sizeof(zval);
 731                 PDO_DBG_RETURN(1);
 732         }
 733 #else
 734         if (S->stmt) {
 735                 if (S->out_null[colno]) {
 736                         *ptr = NULL;
 737                         *len = 0;
 738                         PDO_DBG_RETURN(1);
 739                 }
 740                 *ptr = S->bound_result[colno].buffer;
 741                 if (S->out_length[colno] > S->bound_result[colno].buffer_length) {
 742                         /* mysql lied about the column width */
 743                         strcpy(stmt->error_code, "01004"); /* truncated */
 744                         S->out_length[colno] = S->bound_result[colno].buffer_length;
 745                         *len = S->out_length[colno];
 746                         PDO_DBG_RETURN(0);
 747                 }
 748                 *len = S->out_length[colno];
 749                 PDO_DBG_RETURN(1);
 750         }
 751 #endif
 752         *ptr = S->current_data[colno];
 753         *len = S->current_lengths[colno];
 754         PDO_DBG_RETURN(1);
 755 } /* }}} */
 756 
 757 static char *type_to_name_native(int type) /* {{{ */
 758 {
 759 #define PDO_MYSQL_NATIVE_TYPE_NAME(x)   case FIELD_TYPE_##x: return #x;
 760 
 761     switch (type) {
 762         PDO_MYSQL_NATIVE_TYPE_NAME(STRING)
 763         PDO_MYSQL_NATIVE_TYPE_NAME(VAR_STRING)
 764 #ifdef FIELD_TYPE_TINY
 765         PDO_MYSQL_NATIVE_TYPE_NAME(TINY)
 766 #endif
 767 #ifdef FIELD_TYPE_BIT
 768         PDO_MYSQL_NATIVE_TYPE_NAME(BIT)
 769 #endif
 770         PDO_MYSQL_NATIVE_TYPE_NAME(SHORT)
 771         PDO_MYSQL_NATIVE_TYPE_NAME(LONG)
 772         PDO_MYSQL_NATIVE_TYPE_NAME(LONGLONG)
 773         PDO_MYSQL_NATIVE_TYPE_NAME(INT24)
 774         PDO_MYSQL_NATIVE_TYPE_NAME(FLOAT)
 775         PDO_MYSQL_NATIVE_TYPE_NAME(DOUBLE)
 776         PDO_MYSQL_NATIVE_TYPE_NAME(DECIMAL)
 777 #ifdef FIELD_TYPE_NEWDECIMAL
 778         PDO_MYSQL_NATIVE_TYPE_NAME(NEWDECIMAL)
 779 #endif
 780 #ifdef FIELD_TYPE_GEOMETRY
 781         PDO_MYSQL_NATIVE_TYPE_NAME(GEOMETRY)
 782 #endif
 783         PDO_MYSQL_NATIVE_TYPE_NAME(TIMESTAMP)
 784 #ifdef FIELD_TYPE_YEAR
 785         PDO_MYSQL_NATIVE_TYPE_NAME(YEAR)
 786 #endif
 787         PDO_MYSQL_NATIVE_TYPE_NAME(SET)
 788         PDO_MYSQL_NATIVE_TYPE_NAME(ENUM)
 789         PDO_MYSQL_NATIVE_TYPE_NAME(DATE)
 790 #ifdef FIELD_TYPE_NEWDATE
 791         PDO_MYSQL_NATIVE_TYPE_NAME(NEWDATE)
 792 #endif
 793         PDO_MYSQL_NATIVE_TYPE_NAME(TIME)
 794         PDO_MYSQL_NATIVE_TYPE_NAME(DATETIME)
 795         PDO_MYSQL_NATIVE_TYPE_NAME(TINY_BLOB)
 796         PDO_MYSQL_NATIVE_TYPE_NAME(MEDIUM_BLOB)
 797         PDO_MYSQL_NATIVE_TYPE_NAME(LONG_BLOB)
 798         PDO_MYSQL_NATIVE_TYPE_NAME(BLOB)
 799         PDO_MYSQL_NATIVE_TYPE_NAME(NULL)
 800         default:
 801             return NULL;
 802     }
 803 #undef PDO_MYSQL_NATIVE_TYPE_NAME
 804 } /* }}} */
 805 
 806 static int pdo_mysql_stmt_col_meta(pdo_stmt_t *stmt, long colno, zval *return_value TSRMLS_DC) /* {{{ */
 807 {
 808         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 809         const MYSQL_FIELD *F;
 810         zval *flags;
 811         char *str;
 812 
 813         PDO_DBG_ENTER("pdo_mysql_stmt_col_meta");
 814         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 815         if (!S->result) {
 816                 PDO_DBG_RETURN(FAILURE);
 817         }
 818         if (colno >= stmt->column_count) {
 819                 /* error invalid column */
 820                 PDO_DBG_RETURN(FAILURE);
 821         }
 822 
 823         array_init(return_value);
 824         MAKE_STD_ZVAL(flags);
 825         array_init(flags);
 826 
 827         F = S->fields + colno;
 828 
 829         if (F->def) {
 830                 add_assoc_string(return_value, "mysql:def", F->def, 1);
 831         }
 832         if (IS_NOT_NULL(F->flags)) {
 833                 add_next_index_string(flags, "not_null", 1);
 834         }
 835         if (IS_PRI_KEY(F->flags)) {
 836                 add_next_index_string(flags, "primary_key", 1);
 837         }
 838         if (F->flags & MULTIPLE_KEY_FLAG) {
 839                 add_next_index_string(flags, "multiple_key", 1);
 840         }
 841         if (F->flags & UNIQUE_KEY_FLAG) {
 842                 add_next_index_string(flags, "unique_key", 1);
 843         }
 844         if (IS_BLOB(F->flags)) {
 845                 add_next_index_string(flags, "blob", 1);
 846         }
 847         str = type_to_name_native(F->type);
 848         if (str) {
 849                 add_assoc_string(return_value, "native_type", str, 1);
 850         }
 851 
 852 #ifdef PDO_USE_MYSQLND
 853         switch (F->type) {
 854                 case MYSQL_TYPE_BIT:
 855                 case MYSQL_TYPE_YEAR:
 856                 case MYSQL_TYPE_TINY:
 857                 case MYSQL_TYPE_SHORT:
 858                 case MYSQL_TYPE_INT24:
 859                 case MYSQL_TYPE_LONG:
 860 #if SIZEOF_LONG==8
 861                 case MYSQL_TYPE_LONGLONG:
 862 #endif
 863                         add_assoc_long(return_value, "pdo_type", PDO_PARAM_INT);
 864                         break;
 865                 default:
 866                         add_assoc_long(return_value, "pdo_type", PDO_PARAM_STR);
 867                         break;
 868         }
 869 #endif
 870 
 871         add_assoc_zval(return_value, "flags", flags);
 872         add_assoc_string(return_value, "table", (char *) (F->table?F->table:""), 1);
 873         PDO_DBG_RETURN(SUCCESS);
 874 } /* }}} */
 875 
 876 static int pdo_mysql_stmt_cursor_closer(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
 877 {
 878         pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
 879 
 880         PDO_DBG_ENTER("pdo_mysql_stmt_cursor_closer");
 881         PDO_DBG_INF_FMT("stmt=%p", S->stmt);
 882         if (S->result) {
 883                 mysql_free_result(S->result);
 884                 S->result = NULL;
 885         }
 886         if (S->stmt) {
 887                 int retval;
 888                 retval = mysql_stmt_free_result(S->stmt);
 889                 PDO_DBG_RETURN(retval ? 0 : 1);
 890         }
 891 
 892         while (mysql_more_results(S->H->server)) {
 893                 MYSQL_RES *res;
 894                 if (mysql_next_result(S->H->server) != 0) {
 895                         break;
 896                 }
 897                 res = mysql_store_result(S->H->server);
 898                 if (res) {
 899                         mysql_free_result(res);
 900                 }
 901         }
 902         PDO_DBG_RETURN(1);
 903 }
 904 /* }}} */
 905 
 906 struct pdo_stmt_methods mysql_stmt_methods = {
 907         pdo_mysql_stmt_dtor,
 908         pdo_mysql_stmt_execute,
 909         pdo_mysql_stmt_fetch,
 910         pdo_mysql_stmt_describe,
 911         pdo_mysql_stmt_get_col,
 912         pdo_mysql_stmt_param_hook,
 913         NULL, /* set_attr */
 914         NULL, /* get_attr */
 915         pdo_mysql_stmt_col_meta,
 916         pdo_mysql_stmt_next_rowset,
 917         pdo_mysql_stmt_cursor_closer
 918 };
 919 
 920 /*
 921  * Local variables:
 922  * tab-width: 4
 923  * c-basic-offset: 4
 924  * End:
 925  * vim600: noet sw=4 ts=4 fdm=marker
 926  * vim<600: noet sw=4 ts=4
 927  */
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root/ext/pdo_mysql/mysql_statement.c

DEFINITIONS
