root/ext/pdo_pgsql/pgsql_driver.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. _pdo_pgsql_trim_message
  2. _pdo_pgsql_escape_credentials
  3. _pdo_pgsql_error
  4. _pdo_pgsql_notice
  5. pdo_pgsql_fetch_error_func
  6. pgsql_lob_write
  7. pgsql_lob_read
  8. pgsql_lob_close
  9. pgsql_lob_flush
  10. pgsql_lob_seek
  11. pdo_pgsql_create_lob_stream
  12. pgsql_handle_closer
  13. pgsql_handle_preparer
  14. pgsql_handle_doer
  15. pgsql_handle_quoter
  16. pdo_pgsql_last_insert_id
  17. pdo_pgsql_get_attribute
  18. pdo_pgsql_check_liveness
  19. pgsql_handle_in_transaction
  20. pdo_pgsql_transaction_cmd
  21. pgsql_handle_begin
  22. pgsql_handle_commit
  23. pgsql_handle_rollback
  24. PHP_METHOD
  25. PHP_METHOD
  26. PHP_METHOD
  27. PHP_METHOD
  28. PHP_METHOD
  29. PHP_METHOD
  30. PHP_METHOD
  31. PHP_METHOD
  32. PHP_METHOD
  33. pdo_pgsql_get_driver_methods
  34. pdo_pgsql_set_attr
  35. pdo_pgsql_handle_factory

   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   | Authors: Edin Kadribasic <edink@emini.dk>                            |
  16   |          Ilia Alshanestsky <ilia@prohost.org>                        |
  17   |          Wez Furlong <wez@php.net>                                   |
  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 "ext/standard/php_string.h"
  31 #include "main/php_network.h"
  32 #include "pdo/php_pdo.h"
  33 #include "pdo/php_pdo_driver.h"
  34 #include "pdo/php_pdo_error.h"
  35 #include "ext/standard/file.h"
  36 
  37 #undef PACKAGE_BUGREPORT
  38 #undef PACKAGE_NAME
  39 #undef PACKAGE_STRING
  40 #undef PACKAGE_TARNAME
  41 #undef PACKAGE_VERSION
  42 #include "pg_config.h" /* needed for PG_VERSION */
  43 #include "php_pdo_pgsql.h"
  44 #include "php_pdo_pgsql_int.h"
  45 #include "zend_exceptions.h"
  46 
  47 static char * _pdo_pgsql_trim_message(const char *message, int persistent)
  48 {
  49         register int i = strlen(message)-1;
  50         char *tmp;
  51 
  52         if (i>1 && (message[i-1] == '\r' || message[i-1] == '\n') && message[i] == '.') {
  53                 --i;
  54         }
  55         while (i>0 && (message[i] == '\r' || message[i] == '\n')) {
  56                 --i;
  57         }
  58         ++i;
  59         tmp = pemalloc(i + 1, persistent);
  60         memcpy(tmp, message, i);
  61         tmp[i] = '\0';
  62 
  63         return tmp;
  64 }
  65 
  66 static char * _pdo_pgsql_escape_credentials(char *str TSRMLS_DC)
  67 {
  68         int len;
  69 
  70         if (str) {
  71                 return php_addcslashes(str, strlen(str), &len, 0, "\\'", sizeof("\\'") TSRMLS_CC);
  72         }
  73 
  74         return NULL;
  75 }
  76 
  77 int _pdo_pgsql_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt, int errcode, const char *sqlstate, const char *msg, const char *file, int line TSRMLS_DC) /* {{{ */
  78 {
  79         pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
  80         pdo_error_type *pdo_err = stmt ? &stmt->error_code : &dbh->error_code;
  81         pdo_pgsql_error_info *einfo = &H->einfo;
  82         char *errmsg = PQerrorMessage(H->server);
  83 
  84         einfo->errcode = errcode;
  85         einfo->file = file;
  86         einfo->line = line;
  87 
  88         if (einfo->errmsg) {
  89                 pefree(einfo->errmsg, dbh->is_persistent);
  90                 einfo->errmsg = NULL;
  91         }
  92 
  93         if (sqlstate == NULL || strlen(sqlstate) >= sizeof(pdo_error_type)) {
  94                 strcpy(*pdo_err, "HY000");
  95         }
  96         else {
  97                 strcpy(*pdo_err, sqlstate);
  98         }
  99 
 100         if (msg) {
 101                 einfo->errmsg = estrdup(msg);
 102         }
 103         else if (errmsg) {
 104                 einfo->errmsg = _pdo_pgsql_trim_message(errmsg, dbh->is_persistent);
 105         }
 106 
 107         if (!dbh->methods) {
 108                 zend_throw_exception_ex(php_pdo_get_exception(), einfo->errcode TSRMLS_CC, "SQLSTATE[%s] [%d] %s",
 109                                 *pdo_err, einfo->errcode, einfo->errmsg);
 110         }
 111 
 112         return errcode;
 113 }
 114 /* }}} */
 115 
 116 static void _pdo_pgsql_notice(pdo_dbh_t *dbh, const char *message) /* {{{ */
 117 {
 118 /*      pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data; */
 119 }
 120 /* }}} */
 121 
 122 static int pdo_pgsql_fetch_error_func(pdo_dbh_t *dbh, pdo_stmt_t *stmt, zval *info TSRMLS_DC) /* {{{ */
 123 {
 124         pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
 125         pdo_pgsql_error_info *einfo = &H->einfo;
 126 
 127         if (einfo->errcode) {
 128                 add_next_index_long(info, einfo->errcode);
 129                 add_next_index_string(info, einfo->errmsg, 1);
 130         }
 131 
 132         return 1;
 133 }
 134 /* }}} */
 135 
 136 /* {{{ pdo_pgsql_create_lob_stream */
 137 static size_t pgsql_lob_write(php_stream *stream, const char *buf, size_t count TSRMLS_DC)
 138 {
 139         struct pdo_pgsql_lob_self *self = (struct pdo_pgsql_lob_self*)stream->abstract;
 140         return lo_write(self->conn, self->lfd, (char*)buf, count);
 141 }
 142 
 143 static size_t pgsql_lob_read(php_stream *stream, char *buf, size_t count TSRMLS_DC)
 144 {
 145         struct pdo_pgsql_lob_self *self = (struct pdo_pgsql_lob_self*)stream->abstract;
 146         return lo_read(self->conn, self->lfd, buf, count);
 147 }
 148 
 149 static int pgsql_lob_close(php_stream *stream, int close_handle TSRMLS_DC)
 150 {
 151         struct pdo_pgsql_lob_self *self = (struct pdo_pgsql_lob_self*)stream->abstract;
 152         pdo_dbh_t *dbh = self->dbh;
 153 
 154         if (close_handle) {
 155                 lo_close(self->conn, self->lfd);
 156         }
 157         efree(self);
 158         php_pdo_dbh_delref(dbh TSRMLS_CC);
 159         return 0;
 160 }
 161 
 162 static int pgsql_lob_flush(php_stream *stream TSRMLS_DC)
 163 {
 164         return 0;
 165 }
 166 
 167 static int pgsql_lob_seek(php_stream *stream, off_t offset, int whence,
 168                 off_t *newoffset TSRMLS_DC)
 169 {
 170         struct pdo_pgsql_lob_self *self = (struct pdo_pgsql_lob_self*)stream->abstract;
 171         int pos = lo_lseek(self->conn, self->lfd, offset, whence);
 172         *newoffset = pos;
 173         return pos >= 0 ? 0 : -1;
 174 }
 175 
 176 php_stream_ops pdo_pgsql_lob_stream_ops = {
 177         pgsql_lob_write,
 178         pgsql_lob_read,
 179         pgsql_lob_close,
 180         pgsql_lob_flush,
 181         "pdo_pgsql lob stream",
 182         pgsql_lob_seek,
 183         NULL,
 184         NULL,
 185         NULL
 186 };
 187 
 188 php_stream *pdo_pgsql_create_lob_stream(pdo_dbh_t *dbh, int lfd, Oid oid TSRMLS_DC)
 189 {
 190         php_stream *stm;
 191         struct pdo_pgsql_lob_self *self = ecalloc(1, sizeof(*self));
 192         pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
 193 
 194         self->dbh = dbh;
 195         self->lfd = lfd;
 196         self->oid = oid;
 197         self->conn = H->server;
 198 
 199         stm = php_stream_alloc(&pdo_pgsql_lob_stream_ops, self, 0, "r+b");
 200 
 201         if (stm) {
 202                 php_pdo_dbh_addref(dbh TSRMLS_CC);
 203                 return stm;
 204         }
 205 
 206         efree(self);
 207         return NULL;
 208 }
 209 /* }}} */
 210 
 211 static int pgsql_handle_closer(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
 212 {
 213         pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
 214         if (H) {
 215                 if (H->server) {
 216                         PQfinish(H->server);
 217                         H->server = NULL;
 218                 }
 219                 if (H->einfo.errmsg) {
 220                         pefree(H->einfo.errmsg, dbh->is_persistent);
 221                         H->einfo.errmsg = NULL;
 222                 }
 223                 pefree(H, dbh->is_persistent);
 224                 dbh->driver_data = NULL;
 225         }
 226         return 0;
 227 }
 228 /* }}} */
 229 
 230 static int pgsql_handle_preparer(pdo_dbh_t *dbh, const char *sql, long sql_len, pdo_stmt_t *stmt, zval *driver_options TSRMLS_DC)
 231 {
 232         pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
 233         pdo_pgsql_stmt *S = ecalloc(1, sizeof(pdo_pgsql_stmt));
 234         int scrollable;
 235         int ret;
 236         char *nsql = NULL;
 237         int nsql_len = 0;
 238         int emulate = 0;
 239         int execute_only = 0;
 240 
 241         S->H = H;
 242         stmt->driver_data = S;
 243         stmt->methods = &pgsql_stmt_methods;
 244 
 245         scrollable = pdo_attr_lval(driver_options, PDO_ATTR_CURSOR,
 246                 PDO_CURSOR_FWDONLY TSRMLS_CC) == PDO_CURSOR_SCROLL;
 247 
 248         if (scrollable) {
 249                 if (S->cursor_name) {
 250                         efree(S->cursor_name);
 251                 }
 252                 spprintf(&S->cursor_name, 0, "pdo_crsr_%08x", ++H->stmt_counter);
 253                 emulate = 1;
 254         } else if (driver_options) {
 255                 if (pdo_attr_lval(driver_options, PDO_PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT, H->disable_native_prepares TSRMLS_CC) == 1) {
 256                         php_error_docref(NULL TSRMLS_CC, E_DEPRECATED, "PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT is deprecated, use PDO::ATTR_EMULATE_PREPARES instead");
 257                         emulate = 1;
 258                 }
 259                 if (pdo_attr_lval(driver_options, PDO_ATTR_EMULATE_PREPARES, H->emulate_prepares TSRMLS_CC) == 1) {
 260                         emulate = 1;
 261                 }
 262                 if (pdo_attr_lval(driver_options, PDO_PGSQL_ATTR_DISABLE_PREPARES, H->disable_prepares TSRMLS_CC) == 1) {
 263                         execute_only = 1;
 264                 }
 265         } else {
 266                 emulate = H->disable_native_prepares || H->emulate_prepares;
 267                 execute_only = H->disable_prepares;
 268         }
 269 
 270         if (!emulate && PQprotocolVersion(H->server) > 2) {
 271                 stmt->supports_placeholders = PDO_PLACEHOLDER_NAMED;
 272                 stmt->named_rewrite_template = "$%d";
 273                 ret = pdo_parse_params(stmt, (char*)sql, sql_len, &nsql, &nsql_len TSRMLS_CC);
 274 
 275                 if (ret == 1) {
 276                         /* query was re-written */
 277                         sql = nsql;
 278                 } else if (ret == -1) {
 279                         /* couldn't grok it */
 280                         strcpy(dbh->error_code, stmt->error_code);
 281                         return 0;
 282                 }
 283 
 284                 if (!execute_only) {
 285                         /* prepared query: set the query name and defer the
 286                            actual prepare until the first execute call */
 287                         spprintf(&S->stmt_name, 0, "pdo_stmt_%08x", ++H->stmt_counter);
 288                 }
 289 
 290                 if (nsql) {
 291                         S->query = nsql;
 292                 } else {
 293                         S->query = estrdup(sql);
 294                 }
 295 
 296                 return 1;
 297         }
 298 
 299         stmt->supports_placeholders = PDO_PLACEHOLDER_NONE;
 300         return 1;
 301 }
 302 
 303 static long pgsql_handle_doer(pdo_dbh_t *dbh, const char *sql, long sql_len TSRMLS_DC)
 304 {
 305         pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
 306         PGresult *res;
 307         long ret = 1;
 308         ExecStatusType qs;
 309 
 310         if (!(res = PQexec(H->server, sql))) {
 311                 /* fatal error */
 312                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, NULL);
 313                 return -1;
 314         }
 315         qs = PQresultStatus(res);
 316         if (qs != PGRES_COMMAND_OK && qs != PGRES_TUPLES_OK) {
 317                 pdo_pgsql_error(dbh, qs, pdo_pgsql_sqlstate(res));
 318                 PQclear(res);
 319                 return -1;
 320         }
 321         H->pgoid = PQoidValue(res);
 322         ret = (qs == PGRES_COMMAND_OK) ? atol(PQcmdTuples(res)) : 0L;
 323         PQclear(res);
 324 
 325         return ret;
 326 }
 327 
 328 static int pgsql_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, int unquotedlen, char **quoted, int *quotedlen, enum pdo_param_type paramtype TSRMLS_DC)
 329 {
 330         unsigned char *escaped;
 331         pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
 332         size_t tmp_len;
 333 
 334         switch (paramtype) {
 335                 case PDO_PARAM_LOB:
 336                         /* escapedlen returned by PQescapeBytea() accounts for trailing 0 */
 337                         escaped = PQescapeByteaConn(H->server, (unsigned char *)unquoted, (size_t)unquotedlen, &tmp_len);
 338                         *quotedlen = (int)tmp_len + 1;
 339                         *quoted = emalloc(*quotedlen + 1);
 340                         memcpy((*quoted)+1, escaped, *quotedlen-2);
 341                         (*quoted)[0] = '\'';
 342                         (*quoted)[*quotedlen-1] = '\'';
 343                         (*quoted)[*quotedlen] = '\0';
 344                         PQfreemem(escaped);
 345                         break;
 346                 default:
 347                         *quoted = safe_emalloc(2, unquotedlen, 3);
 348                         (*quoted)[0] = '\'';
 349                         *quotedlen = PQescapeStringConn(H->server, *quoted + 1, unquoted, (size_t)unquotedlen, NULL);
 350                         (*quoted)[*quotedlen + 1] = '\'';
 351                         (*quoted)[*quotedlen + 2] = '\0';
 352                         *quotedlen += 2;
 353         }
 354         return 1;
 355 }
 356 
 357 static char *pdo_pgsql_last_insert_id(pdo_dbh_t *dbh, const char *name, unsigned int *len TSRMLS_DC)
 358 {
 359         pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
 360         char *id = NULL;
 361 
 362         if (name == NULL) {
 363                 if (H->pgoid == InvalidOid) {
 364                         return NULL;
 365                 }
 366                 *len = spprintf(&id, 0, "%ld", (long) H->pgoid);
 367         } else {
 368                 PGresult *res;
 369                 ExecStatusType status;
 370                 const char *q[1];
 371                 q[0] = name;
 372                 res = PQexecParams(H->server, "SELECT CURRVAL($1)", 1, NULL, q, NULL, NULL, 0);
 373                 status = PQresultStatus(res);
 374 
 375                 if (res && (status == PGRES_TUPLES_OK)) {
 376                         id = estrdup((char *)PQgetvalue(res, 0, 0));
 377                         *len = PQgetlength(res, 0, 0);
 378                 } else {
 379                         pdo_pgsql_error(dbh, status, pdo_pgsql_sqlstate(res));
 380                 }
 381 
 382                 if (res) {
 383                         PQclear(res);
 384                 }
 385         }
 386         return id;
 387 }
 388 
 389 static int pdo_pgsql_get_attribute(pdo_dbh_t *dbh, long attr, zval *return_value TSRMLS_DC)
 390 {
 391         pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
 392 
 393         switch (attr) {
 394                 case PDO_ATTR_EMULATE_PREPARES:
 395                         ZVAL_BOOL(return_value, H->emulate_prepares);
 396                         break;
 397 
 398                 case PDO_PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT:
 399                         php_error_docref(NULL TSRMLS_CC, E_DEPRECATED, "PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT is deprecated, use PDO::ATTR_EMULATE_PREPARES instead");
 400                         ZVAL_BOOL(return_value, H->disable_native_prepares);
 401                         break;
 402 
 403                 case PDO_PGSQL_ATTR_DISABLE_PREPARES:
 404                         ZVAL_BOOL(return_value, H->disable_prepares);
 405                         break;
 406 
 407                 case PDO_ATTR_CLIENT_VERSION:
 408                         ZVAL_STRING(return_value, PG_VERSION, 1);
 409                         break;
 410 
 411                 case PDO_ATTR_SERVER_VERSION:
 412                         if (PQprotocolVersion(H->server) >= 3) { /* PostgreSQL 7.4 or later */
 413                                 ZVAL_STRING(return_value, (char*)PQparameterStatus(H->server, "server_version"), 1);
 414                         } else /* emulate above via a query */
 415                         {
 416                                 PGresult *res = PQexec(H->server, "SELECT VERSION()");
 417                                 if (res && PQresultStatus(res) == PGRES_TUPLES_OK) {
 418                                         ZVAL_STRING(return_value, (char *)PQgetvalue(res, 0, 0), 1);
 419                                 }
 420 
 421                                 if (res) {
 422                                         PQclear(res);
 423                                 }
 424                         }
 425                         break;
 426 
 427                 case PDO_ATTR_CONNECTION_STATUS:
 428                         switch (PQstatus(H->server)) {
 429                                 case CONNECTION_STARTED:
 430                                         ZVAL_STRINGL(return_value, "Waiting for connection to be made.", sizeof("Waiting for connection to be made.")-1, 1);
 431                                         break;
 432 
 433                                 case CONNECTION_MADE:
 434                                 case CONNECTION_OK:
 435                                         ZVAL_STRINGL(return_value, "Connection OK; waiting to send.", sizeof("Connection OK; waiting to send.")-1, 1);
 436                                         break;
 437 
 438                                 case CONNECTION_AWAITING_RESPONSE:
 439                                         ZVAL_STRINGL(return_value, "Waiting for a response from the server.", sizeof("Waiting for a response from the server.")-1, 1);
 440                                         break;
 441 
 442                                 case CONNECTION_AUTH_OK:
 443                                         ZVAL_STRINGL(return_value, "Received authentication; waiting for backend start-up to finish.", sizeof("Received authentication; waiting for backend start-up to finish.")-1, 1);
 444                                         break;
 445 #ifdef CONNECTION_SSL_STARTUP
 446                                 case CONNECTION_SSL_STARTUP:
 447                                         ZVAL_STRINGL(return_value, "Negotiating SSL encryption.", sizeof("Negotiating SSL encryption.")-1, 1);
 448                                         break;
 449 #endif
 450                                 case CONNECTION_SETENV:
 451                                         ZVAL_STRINGL(return_value, "Negotiating environment-driven parameter settings.", sizeof("Negotiating environment-driven parameter settings.")-1, 1);
 452                                         break;
 453 
 454                                 case CONNECTION_BAD:
 455                                 default:
 456                                         ZVAL_STRINGL(return_value, "Bad connection.", sizeof("Bad connection.")-1, 1);
 457                                         break;
 458                         }
 459                         break;
 460 
 461                 case PDO_ATTR_SERVER_INFO: {
 462                         int spid = PQbackendPID(H->server);
 463                         char *tmp;
 464                         spprintf(&tmp, 0,
 465                                 "PID: %d; Client Encoding: %s; Is Superuser: %s; Session Authorization: %s; Date Style: %s",
 466                                 spid,
 467                                 (char*)PQparameterStatus(H->server, "client_encoding"),
 468                                 (char*)PQparameterStatus(H->server, "is_superuser"),
 469                                 (char*)PQparameterStatus(H->server, "session_authorization"),
 470                                 (char*)PQparameterStatus(H->server, "DateStyle"));
 471                         ZVAL_STRING(return_value, tmp, 0);
 472                 }
 473                         break;
 474 
 475                 default:
 476                         return 0;
 477         }
 478 
 479         return 1;
 480 }
 481 
 482 /* {{{ */
 483 static int pdo_pgsql_check_liveness(pdo_dbh_t *dbh TSRMLS_DC)
 484 {
 485         pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
 486         if (PQstatus(H->server) == CONNECTION_BAD) {
 487                 PQreset(H->server);
 488         }
 489         return (PQstatus(H->server) == CONNECTION_OK) ? SUCCESS : FAILURE;
 490 }
 491 /* }}} */
 492 
 493 static int pgsql_handle_in_transaction(pdo_dbh_t *dbh TSRMLS_DC)
 494 {
 495         pdo_pgsql_db_handle *H;
 496 
 497         H = (pdo_pgsql_db_handle *)dbh->driver_data;
 498 
 499         return PQtransactionStatus(H->server) > PQTRANS_IDLE;
 500 }
 501 
 502 static int pdo_pgsql_transaction_cmd(const char *cmd, pdo_dbh_t *dbh TSRMLS_DC)
 503 {
 504         pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
 505         PGresult *res;
 506         int ret = 1;
 507 
 508         res = PQexec(H->server, cmd);
 509 
 510         if (PQresultStatus(res) != PGRES_COMMAND_OK) {
 511                 pdo_pgsql_error(dbh, PQresultStatus(res), pdo_pgsql_sqlstate(res));
 512                 ret = 0;
 513         }
 514 
 515         PQclear(res);
 516         return ret;
 517 }
 518 
 519 static int pgsql_handle_begin(pdo_dbh_t *dbh TSRMLS_DC)
 520 {
 521         return pdo_pgsql_transaction_cmd("BEGIN", dbh TSRMLS_CC);
 522 }
 523 
 524 static int pgsql_handle_commit(pdo_dbh_t *dbh TSRMLS_DC)
 525 {
 526         int ret = pdo_pgsql_transaction_cmd("COMMIT", dbh TSRMLS_CC);
 527 
 528         /* When deferred constraints are used the commit could
 529            fail, and a ROLLBACK implicitly ran. See bug #67462 */
 530         if (!ret) {
 531                 dbh->in_txn = pgsql_handle_in_transaction(dbh TSRMLS_CC);
 532         }
 533 
 534         return ret;
 535 }
 536 
 537 static int pgsql_handle_rollback(pdo_dbh_t *dbh TSRMLS_DC)
 538 {
 539         return pdo_pgsql_transaction_cmd("ROLLBACK", dbh TSRMLS_CC);
 540 }
 541 
 542 /* {{{ proto string PDO::pgsqlCopyFromArray(string $table_name , array $rows [, string $delimiter [, string $null_as ] [, string $fields])
 543    Returns true if the copy worked fine or false if error */
 544 static PHP_METHOD(PDO, pgsqlCopyFromArray)
 545 {
 546         pdo_dbh_t *dbh;
 547         pdo_pgsql_db_handle *H;
 548 
 549         zval *pg_rows;
 550 
 551         char *table_name, *pg_delim = NULL, *pg_null_as = NULL, *pg_fields = NULL;
 552         int table_name_len, pg_delim_len = 0, pg_null_as_len = 0, pg_fields_len;
 553         char *query;
 554 
 555         PGresult *pgsql_result;
 556         ExecStatusType status;
 557 
 558         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s/a|sss",
 559                                         &table_name, &table_name_len, &pg_rows,
 560                                         &pg_delim, &pg_delim_len, &pg_null_as, &pg_null_as_len, &pg_fields, &pg_fields_len) == FAILURE) {
 561                 return;
 562         }
 563 
 564         if (!zend_hash_num_elements(Z_ARRVAL_P(pg_rows))) {
 565                 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot copy from an empty array");
 566                 RETURN_FALSE;
 567         }
 568 
 569         dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
 570         PDO_CONSTRUCT_CHECK;
 571         PDO_DBH_CLEAR_ERR();
 572 
 573         /* using pre-9.0 syntax as PDO_pgsql is 7.4+ compatible */
 574         if (pg_fields) {
 575                 spprintf(&query, 0, "COPY %s (%s) FROM STDIN WITH DELIMITER E'%c' NULL AS E'%s'", table_name, pg_fields, (pg_delim_len ? *pg_delim : '\t'), (pg_null_as_len ? pg_null_as : "\\\\N"));
 576         } else {
 577                 spprintf(&query, 0, "COPY %s FROM STDIN WITH DELIMITER E'%c' NULL AS E'%s'", table_name, (pg_delim_len ? *pg_delim : '\t'), (pg_null_as_len ? pg_null_as : "\\\\N"));
 578         }
 579 
 580         /* Obtain db Handle */
 581         H = (pdo_pgsql_db_handle *)dbh->driver_data;
 582 
 583         while ((pgsql_result = PQgetResult(H->server))) {
 584                 PQclear(pgsql_result);
 585         }
 586         pgsql_result = PQexec(H->server, query);
 587 
 588         efree(query);
 589         query = NULL;
 590 
 591         if (pgsql_result) {
 592                 status = PQresultStatus(pgsql_result);
 593         } else {
 594                 status = (ExecStatusType) PQstatus(H->server);
 595         }
 596 
 597         if (status == PGRES_COPY_IN && pgsql_result) {
 598                 int command_failed = 0;
 599                 int buffer_len = 0;
 600                 zval **tmp;
 601                 HashPosition pos;
 602 
 603                 PQclear(pgsql_result);
 604                 zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(pg_rows), &pos);
 605                 while (zend_hash_get_current_data_ex(Z_ARRVAL_P(pg_rows), (void **) &tmp, &pos) == SUCCESS) {
 606                         int query_len;
 607                         convert_to_string_ex(tmp);
 608 
 609                         if (buffer_len < Z_STRLEN_PP(tmp)) {
 610                                 buffer_len = Z_STRLEN_PP(tmp);
 611                                 query = erealloc(query, buffer_len + 2); /* room for \n\0 */
 612                         }
 613                         memcpy(query, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
 614                         query_len = Z_STRLEN_PP(tmp);
 615                         if (query[query_len - 1] != '\n') {
 616                                 query[query_len++] = '\n';
 617                         }
 618                         query[query_len] = '\0';
 619                         if (PQputCopyData(H->server, query, query_len) != 1) {
 620                                 efree(query);
 621                                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, NULL);
 622                                 PDO_HANDLE_DBH_ERR();
 623                                 RETURN_FALSE;
 624                         }
 625                         zend_hash_move_forward_ex(Z_ARRVAL_P(pg_rows), &pos);
 626                 }
 627                 if (query) {
 628                         efree(query);
 629                 }
 630 
 631                 if (PQputCopyEnd(H->server, NULL) != 1) {
 632                         pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, NULL);
 633                         PDO_HANDLE_DBH_ERR();
 634                         RETURN_FALSE;
 635                 }
 636 
 637                 while ((pgsql_result = PQgetResult(H->server))) {
 638                         if (PGRES_COMMAND_OK != PQresultStatus(pgsql_result)) {
 639                                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, pdo_pgsql_sqlstate(pgsql_result));
 640                                 command_failed = 1;
 641                         }
 642                         PQclear(pgsql_result);
 643                 }
 644 
 645                 PDO_HANDLE_DBH_ERR();
 646                 RETURN_BOOL(!command_failed);
 647         } else {
 648                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, pdo_pgsql_sqlstate(pgsql_result));
 649                 PQclear(pgsql_result);
 650                 PDO_HANDLE_DBH_ERR();
 651                 RETURN_FALSE;
 652         }
 653 }
 654 /* }}} */
 655 
 656 /* {{{ proto string PDO::pgsqlCopyFromFile(string $table_name , string $filename [, string $delimiter [, string $null_as ] [, string $fields])
 657    Returns true if the copy worked fine or false if error */
 658 static PHP_METHOD(PDO, pgsqlCopyFromFile)
 659 {
 660         pdo_dbh_t *dbh;
 661         pdo_pgsql_db_handle *H;
 662 
 663         char *table_name, *filename, *pg_delim = NULL, *pg_null_as = NULL, *pg_fields = NULL;
 664         int  table_name_len, filename_len, pg_delim_len = 0, pg_null_as_len = 0, pg_fields_len;
 665         char *query;
 666         PGresult *pgsql_result;
 667         ExecStatusType status;
 668         php_stream *stream;
 669 
 670         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sp|sss",
 671                                 &table_name, &table_name_len, &filename, &filename_len,
 672                                 &pg_delim, &pg_delim_len, &pg_null_as, &pg_null_as_len, &pg_fields, &pg_fields_len) == FAILURE) {
 673                 return;
 674         }
 675 
 676         /* Obtain db Handler */
 677         dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
 678         PDO_CONSTRUCT_CHECK;
 679         PDO_DBH_CLEAR_ERR();
 680 
 681         stream = php_stream_open_wrapper_ex(filename, "rb", ENFORCE_SAFE_MODE, NULL, FG(default_context));
 682         if (!stream) {
 683                 pdo_pgsql_error_msg(dbh, PGRES_FATAL_ERROR, "Unable to open the file");
 684                 PDO_HANDLE_DBH_ERR();
 685                 RETURN_FALSE;
 686         }
 687 
 688         /* using pre-9.0 syntax as PDO_pgsql is 7.4+ compatible */
 689         if (pg_fields) {
 690                 spprintf(&query, 0, "COPY %s (%s) FROM STDIN WITH DELIMITER E'%c' NULL AS E'%s'", table_name, pg_fields, (pg_delim_len ? *pg_delim : '\t'), (pg_null_as_len ? pg_null_as : "\\\\N"));
 691         } else {
 692                 spprintf(&query, 0, "COPY %s FROM STDIN WITH DELIMITER E'%c' NULL AS E'%s'", table_name, (pg_delim_len ? *pg_delim : '\t'), (pg_null_as_len ? pg_null_as : "\\\\N"));
 693         }
 694 
 695         H = (pdo_pgsql_db_handle *)dbh->driver_data;
 696 
 697         while ((pgsql_result = PQgetResult(H->server))) {
 698                 PQclear(pgsql_result);
 699         }
 700         pgsql_result = PQexec(H->server, query);
 701 
 702         efree(query);
 703 
 704         if (pgsql_result) {
 705                 status = PQresultStatus(pgsql_result);
 706         } else {
 707                 status = (ExecStatusType) PQstatus(H->server);
 708         }
 709 
 710         if (status == PGRES_COPY_IN && pgsql_result) {
 711                 char *buf;
 712                 int command_failed = 0;
 713                 size_t line_len = 0;
 714 
 715                 PQclear(pgsql_result);
 716                 while ((buf = php_stream_get_line(stream, NULL, 0, &line_len)) != NULL) {
 717                         if (PQputCopyData(H->server, buf, line_len) != 1) {
 718                                 efree(buf);
 719                                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, NULL);
 720                                 php_stream_close(stream);
 721                                 PDO_HANDLE_DBH_ERR();
 722                                 RETURN_FALSE;
 723                         }
 724                         efree(buf);
 725                 }
 726                 php_stream_close(stream);
 727 
 728                 if (PQputCopyEnd(H->server, NULL) != 1) {
 729                         pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, NULL);
 730                         PDO_HANDLE_DBH_ERR();
 731                         RETURN_FALSE;
 732                 }
 733 
 734                 while ((pgsql_result = PQgetResult(H->server))) {
 735                         if (PGRES_COMMAND_OK != PQresultStatus(pgsql_result)) {
 736                                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, pdo_pgsql_sqlstate(pgsql_result));
 737                                 command_failed = 1;
 738                         }
 739                         PQclear(pgsql_result);
 740                 }
 741 
 742                 PDO_HANDLE_DBH_ERR();
 743                 RETURN_BOOL(!command_failed);
 744         } else {
 745                 php_stream_close(stream);
 746                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, pdo_pgsql_sqlstate(pgsql_result));
 747                 PQclear(pgsql_result);
 748                 PDO_HANDLE_DBH_ERR();
 749                 RETURN_FALSE;
 750         }
 751 }
 752 /* }}} */
 753 
 754 
 755 /* {{{ proto string PDO::pgsqlCopyToFile(string $table_name , $filename, [string $delimiter [, string $null_as [, string $fields]]])
 756    Returns true if the copy worked fine or false if error */
 757 static PHP_METHOD(PDO, pgsqlCopyToFile)
 758 {
 759         pdo_dbh_t *dbh;
 760         pdo_pgsql_db_handle *H;
 761 
 762         char *table_name, *pg_delim = NULL, *pg_null_as = NULL, *pg_fields = NULL, *filename = NULL;
 763         int table_name_len, pg_delim_len = 0, pg_null_as_len = 0, pg_fields_len, filename_len;
 764         char *query;
 765 
 766         PGresult *pgsql_result;
 767         ExecStatusType status;
 768 
 769         php_stream *stream;
 770 
 771         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sp|sss",
 772                                         &table_name, &table_name_len, &filename, &filename_len,
 773                                         &pg_delim, &pg_delim_len, &pg_null_as, &pg_null_as_len, &pg_fields, &pg_fields_len) == FAILURE) {
 774                 return;
 775         }
 776 
 777         dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
 778         PDO_CONSTRUCT_CHECK;
 779         PDO_DBH_CLEAR_ERR();
 780 
 781         H = (pdo_pgsql_db_handle *)dbh->driver_data;
 782 
 783         stream = php_stream_open_wrapper_ex(filename, "wb", ENFORCE_SAFE_MODE, NULL, FG(default_context));
 784         if (!stream) {
 785                 pdo_pgsql_error_msg(dbh, PGRES_FATAL_ERROR, "Unable to open the file for writing");
 786                 PDO_HANDLE_DBH_ERR();
 787                 RETURN_FALSE;
 788         }
 789 
 790         while ((pgsql_result = PQgetResult(H->server))) {
 791                 PQclear(pgsql_result);
 792         }
 793 
 794         /* using pre-9.0 syntax as PDO_pgsql is 7.4+ compatible */
 795         if (pg_fields) {
 796                 spprintf(&query, 0, "COPY %s (%s) TO STDIN WITH DELIMITER E'%c' NULL AS E'%s'", table_name, pg_fields, (pg_delim_len ? *pg_delim : '\t'), (pg_null_as_len ? pg_null_as : "\\\\N"));
 797         } else {
 798                 spprintf(&query, 0, "COPY %s TO STDIN WITH DELIMITER E'%c' NULL AS E'%s'", table_name, (pg_delim_len ? *pg_delim : '\t'), (pg_null_as_len ? pg_null_as : "\\\\N"));
 799         }
 800         pgsql_result = PQexec(H->server, query);
 801         efree(query);
 802 
 803         if (pgsql_result) {
 804                 status = PQresultStatus(pgsql_result);
 805         } else {
 806                 status = (ExecStatusType) PQstatus(H->server);
 807         }
 808 
 809         if (status == PGRES_COPY_OUT && pgsql_result) {
 810                 PQclear(pgsql_result);
 811                 while (1) {
 812                         char *csv = NULL;
 813                         int ret = PQgetCopyData(H->server, &csv, 0);
 814 
 815                         if (ret == -1) {
 816                                 break; /* done */
 817                         } else if (ret > 0) {
 818                                 if (php_stream_write(stream, csv, ret) != ret) {
 819                                         pdo_pgsql_error_msg(dbh, PGRES_FATAL_ERROR, "Unable to write to file");
 820                                         PQfreemem(csv);
 821                                         php_stream_close(stream);
 822                                         PDO_HANDLE_DBH_ERR();
 823                                         RETURN_FALSE;
 824                                 } else {
 825                                         PQfreemem(csv);
 826                                 }
 827                         } else {
 828                                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, NULL);
 829                                 php_stream_close(stream);
 830                                 PDO_HANDLE_DBH_ERR();
 831                                 RETURN_FALSE;
 832                         }
 833                 }
 834                 php_stream_close(stream);
 835 
 836                 while ((pgsql_result = PQgetResult(H->server))) {
 837                         PQclear(pgsql_result);
 838                 }
 839                 RETURN_TRUE;
 840         } else {
 841                 php_stream_close(stream);
 842                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, pdo_pgsql_sqlstate(pgsql_result));
 843                 PQclear(pgsql_result);
 844                 PDO_HANDLE_DBH_ERR();
 845                 RETURN_FALSE;
 846         }
 847 }
 848 /* }}} */
 849 
 850 /* {{{ proto string PDO::pgsqlCopyToArray(string $table_name , [string $delimiter [, string $null_as [, string $fields]]])
 851    Returns true if the copy worked fine or false if error */
 852 static PHP_METHOD(PDO, pgsqlCopyToArray)
 853 {
 854         pdo_dbh_t *dbh;
 855         pdo_pgsql_db_handle *H;
 856 
 857         char *table_name, *pg_delim = NULL, *pg_null_as = NULL, *pg_fields = NULL;
 858         int table_name_len, pg_delim_len = 0, pg_null_as_len = 0, pg_fields_len;
 859         char *query;
 860 
 861         PGresult *pgsql_result;
 862         ExecStatusType status;
 863 
 864         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|sss",
 865                 &table_name, &table_name_len,
 866                 &pg_delim, &pg_delim_len, &pg_null_as, &pg_null_as_len, &pg_fields, &pg_fields_len) == FAILURE) {
 867                 return;
 868         }
 869 
 870         dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
 871         PDO_CONSTRUCT_CHECK;
 872         PDO_DBH_CLEAR_ERR();
 873 
 874         H = (pdo_pgsql_db_handle *)dbh->driver_data;
 875 
 876         while ((pgsql_result = PQgetResult(H->server))) {
 877                 PQclear(pgsql_result);
 878         }
 879 
 880         /* using pre-9.0 syntax as PDO_pgsql is 7.4+ compatible */
 881         if (pg_fields) {
 882                 spprintf(&query, 0, "COPY %s (%s) TO STDIN WITH DELIMITER E'%c' NULL AS E'%s'", table_name, pg_fields, (pg_delim_len ? *pg_delim : '\t'), (pg_null_as_len ? pg_null_as : "\\\\N"));
 883         } else {
 884                 spprintf(&query, 0, "COPY %s TO STDIN WITH DELIMITER E'%c' NULL AS E'%s'", table_name, (pg_delim_len ? *pg_delim : '\t'), (pg_null_as_len ? pg_null_as : "\\\\N"));
 885         }
 886         pgsql_result = PQexec(H->server, query);
 887         efree(query);
 888 
 889         if (pgsql_result) {
 890                 status = PQresultStatus(pgsql_result);
 891         } else {
 892                 status = (ExecStatusType) PQstatus(H->server);
 893         }
 894 
 895         if (status == PGRES_COPY_OUT && pgsql_result) {
 896                 PQclear(pgsql_result);
 897                 array_init(return_value);
 898 
 899                 while (1) {
 900                         char *csv = NULL;
 901                         int ret = PQgetCopyData(H->server, &csv, 0);
 902                         if (ret == -1) {
 903                                 break; /* copy done */
 904                         } else if (ret > 0) {
 905                                 add_next_index_stringl(return_value, csv, ret, 1);
 906                                 PQfreemem(csv);
 907                         } else {
 908                                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, NULL);
 909                                 PDO_HANDLE_DBH_ERR();
 910                                 RETURN_FALSE;
 911                         }
 912                 }
 913 
 914                 while ((pgsql_result = PQgetResult(H->server))) {
 915                         PQclear(pgsql_result);
 916                 }
 917         } else {
 918                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, pdo_pgsql_sqlstate(pgsql_result));
 919                 PQclear(pgsql_result);
 920                 PDO_HANDLE_DBH_ERR();
 921                 RETURN_FALSE;
 922         }
 923 }
 924 /* }}} */
 925 
 926 
 927 /* {{{ proto string PDO::pgsqlLOBCreate()
 928    Creates a new large object, returning its identifier.  Must be called inside a transaction. */
 929 static PHP_METHOD(PDO, pgsqlLOBCreate)
 930 {
 931         pdo_dbh_t *dbh;
 932         pdo_pgsql_db_handle *H;
 933         Oid lfd;
 934 
 935         dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
 936         PDO_CONSTRUCT_CHECK;
 937         PDO_DBH_CLEAR_ERR();
 938 
 939         H = (pdo_pgsql_db_handle *)dbh->driver_data;
 940         lfd = lo_creat(H->server, INV_READ|INV_WRITE);
 941 
 942         if (lfd != InvalidOid) {
 943                 char *buf;
 944                 spprintf(&buf, 0, "%lu", (long) lfd);
 945                 RETURN_STRING(buf, 0);
 946         }
 947 
 948         pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, NULL);
 949         PDO_HANDLE_DBH_ERR();
 950         RETURN_FALSE;
 951 }
 952 /* }}} */
 953 
 954 /* {{{ proto resource PDO::pgsqlLOBOpen(string oid [, string mode = 'rb'])
 955    Opens an existing large object stream.  Must be called inside a transaction. */
 956 static PHP_METHOD(PDO, pgsqlLOBOpen)
 957 {
 958         pdo_dbh_t *dbh;
 959         pdo_pgsql_db_handle *H;
 960         Oid oid;
 961         int lfd;
 962         char *oidstr;
 963         int oidstrlen;
 964         char *modestr = "rb";
 965         int modestrlen;
 966         int mode = INV_READ;
 967         char *end_ptr;
 968 
 969         if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|s",
 970                                 &oidstr, &oidstrlen, &modestr, &modestrlen)) {
 971                 RETURN_FALSE;
 972         }
 973 
 974         oid = (Oid)strtoul(oidstr, &end_ptr, 10);
 975         if (oid == 0 && (errno == ERANGE || errno == EINVAL)) {
 976                 RETURN_FALSE;
 977         }
 978 
 979         if (strpbrk(modestr, "+w")) {
 980                 mode = INV_READ|INV_WRITE;
 981         }
 982 
 983         dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
 984         PDO_CONSTRUCT_CHECK;
 985         PDO_DBH_CLEAR_ERR();
 986 
 987         H = (pdo_pgsql_db_handle *)dbh->driver_data;
 988 
 989         lfd = lo_open(H->server, oid, mode);
 990 
 991         if (lfd >= 0) {
 992                 php_stream *stream = pdo_pgsql_create_lob_stream(dbh, lfd, oid TSRMLS_CC);
 993                 if (stream) {
 994                         php_stream_to_zval(stream, return_value);
 995                         return;
 996                 }
 997         } else {
 998                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, NULL);
 999         }
1000 
1001         PDO_HANDLE_DBH_ERR();
1002         RETURN_FALSE;
1003 }
1004 /* }}} */
1005 
1006 /* {{{ proto bool PDO::pgsqlLOBUnlink(string oid)
1007    Deletes the large object identified by oid.  Must be called inside a transaction. */
1008 static PHP_METHOD(PDO, pgsqlLOBUnlink)
1009 {
1010         pdo_dbh_t *dbh;
1011         pdo_pgsql_db_handle *H;
1012         Oid oid;
1013         char *oidstr, *end_ptr;
1014         int oidlen;
1015 
1016         if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s",
1017                                 &oidstr, &oidlen)) {
1018                 RETURN_FALSE;
1019         }
1020 
1021         oid = (Oid)strtoul(oidstr, &end_ptr, 10);
1022         if (oid == 0 && (errno == ERANGE || errno == EINVAL)) {
1023                 RETURN_FALSE;
1024         }
1025 
1026         dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
1027         PDO_CONSTRUCT_CHECK;
1028         PDO_DBH_CLEAR_ERR();
1029 
1030         H = (pdo_pgsql_db_handle *)dbh->driver_data;
1031 
1032         if (1 == lo_unlink(H->server, oid)) {
1033                 RETURN_TRUE;
1034         }
1035 
1036         pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, NULL);
1037         PDO_HANDLE_DBH_ERR();
1038         RETURN_FALSE;
1039 }
1040 /* }}} */
1041 
1042 /* {{{ proto mixed PDO::pgsqlGetNotify([ int $result_type = PDO::FETCH_USE_DEFAULT] [, int $ms_timeout = 0 ]])
1043    Get asyncronous notification */
1044 static PHP_METHOD(PDO, pgsqlGetNotify)
1045 {
1046         pdo_dbh_t *dbh;
1047         pdo_pgsql_db_handle *H;
1048         long result_type = PDO_FETCH_USE_DEFAULT;
1049         long ms_timeout = 0;
1050         PGnotify *pgsql_notify;
1051 
1052         if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ll",
1053                                 &result_type, &ms_timeout)) {
1054                 RETURN_FALSE;
1055         }
1056 
1057         dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
1058         PDO_CONSTRUCT_CHECK;
1059 
1060         if (result_type == PDO_FETCH_USE_DEFAULT) {
1061                 result_type = dbh->default_fetch_type;
1062         }
1063 
1064         if (result_type != PDO_FETCH_BOTH && result_type != PDO_FETCH_ASSOC && result_type != PDO_FETCH_NUM) {
1065                 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid result type");
1066                 RETURN_FALSE;
1067         }
1068 
1069         if (ms_timeout < 0) {
1070                 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid timeout");
1071                 RETURN_FALSE;
1072         }
1073 
1074         H = (pdo_pgsql_db_handle *)dbh->driver_data;
1075 
1076         PQconsumeInput(H->server);
1077         pgsql_notify = PQnotifies(H->server);
1078 
1079         if (ms_timeout && !pgsql_notify) {
1080                 php_pollfd_for_ms(PQsocket(H->server), PHP_POLLREADABLE, ms_timeout);
1081 
1082                 PQconsumeInput(H->server);
1083                 pgsql_notify = PQnotifies(H->server);
1084         }
1085 
1086         if (!pgsql_notify) {
1087                 RETURN_FALSE;
1088         }
1089 
1090         array_init(return_value);
1091         if (result_type == PDO_FETCH_NUM || result_type == PDO_FETCH_BOTH) {
1092                 add_index_string(return_value, 0, pgsql_notify->relname, 1);
1093                 add_index_long(return_value, 1, pgsql_notify->be_pid);
1094                 if (pgsql_notify->extra && pgsql_notify->extra[0]) {
1095                         add_index_string(return_value, 2, pgsql_notify->extra, 1);
1096                 }
1097         }
1098         if (result_type == PDO_FETCH_ASSOC || result_type == PDO_FETCH_BOTH) {
1099                 add_assoc_string(return_value, "message", pgsql_notify->relname, 1);
1100                 add_assoc_long(return_value, "pid", pgsql_notify->be_pid);
1101                 if (pgsql_notify->extra && pgsql_notify->extra[0]) {
1102                         add_assoc_string(return_value, "payload", pgsql_notify->extra, 1);
1103                 }
1104         }
1105 
1106         PQfreemem(pgsql_notify);
1107 }
1108 /* }}} */
1109 
1110 /* {{{ proto int PDO::pgsqlGetPid()
1111    Get backend(server) pid */
1112 static PHP_METHOD(PDO, pgsqlGetPid)
1113 {
1114         pdo_dbh_t *dbh;
1115         pdo_pgsql_db_handle *H;
1116 
1117         dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
1118         PDO_CONSTRUCT_CHECK;
1119 
1120         H = (pdo_pgsql_db_handle *)dbh->driver_data;
1121 
1122         RETURN_LONG(PQbackendPID(H->server));
1123 }
1124 /* }}} */
1125 
1126 
1127 static const zend_function_entry dbh_methods[] = {
1128         PHP_ME(PDO, pgsqlLOBCreate, NULL, ZEND_ACC_PUBLIC)
1129         PHP_ME(PDO, pgsqlLOBOpen, NULL, ZEND_ACC_PUBLIC)
1130         PHP_ME(PDO, pgsqlLOBUnlink, NULL, ZEND_ACC_PUBLIC)
1131         PHP_ME(PDO, pgsqlCopyFromArray, NULL, ZEND_ACC_PUBLIC)
1132         PHP_ME(PDO, pgsqlCopyFromFile, NULL, ZEND_ACC_PUBLIC)
1133         PHP_ME(PDO, pgsqlCopyToArray, NULL, ZEND_ACC_PUBLIC)
1134         PHP_ME(PDO, pgsqlCopyToFile, NULL, ZEND_ACC_PUBLIC)
1135         PHP_ME(PDO, pgsqlGetNotify, NULL, ZEND_ACC_PUBLIC)
1136         PHP_ME(PDO, pgsqlGetPid, NULL, ZEND_ACC_PUBLIC)
1137         PHP_FE_END
1138 };
1139 
1140 static const zend_function_entry *pdo_pgsql_get_driver_methods(pdo_dbh_t *dbh, int kind TSRMLS_DC)
1141 {
1142         switch (kind) {
1143                 case PDO_DBH_DRIVER_METHOD_KIND_DBH:
1144                         return dbh_methods;
1145                 default:
1146                         return NULL;
1147         }
1148 }
1149 
1150 static int pdo_pgsql_set_attr(pdo_dbh_t *dbh, long attr, zval *val TSRMLS_DC)
1151 {
1152         pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
1153 
1154         switch (attr) {
1155                 case PDO_ATTR_EMULATE_PREPARES:
1156                         H->emulate_prepares = Z_LVAL_P(val);
1157                         return 1;
1158                 case PDO_PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT:
1159                         php_error_docref(NULL TSRMLS_CC, E_DEPRECATED, "PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT is deprecated, use PDO::ATTR_EMULATE_PREPARES instead");
1160                         H->disable_native_prepares = Z_LVAL_P(val);
1161                         return 1;
1162                 case PDO_PGSQL_ATTR_DISABLE_PREPARES:
1163                         H->disable_prepares = Z_LVAL_P(val);
1164                         return 1;
1165                 default:
1166                         return 0;
1167         }
1168 }
1169 
1170 static struct pdo_dbh_methods pgsql_methods = {
1171         pgsql_handle_closer,
1172         pgsql_handle_preparer,
1173         pgsql_handle_doer,
1174         pgsql_handle_quoter,
1175         pgsql_handle_begin,
1176         pgsql_handle_commit,
1177         pgsql_handle_rollback,
1178         pdo_pgsql_set_attr,
1179         pdo_pgsql_last_insert_id,
1180         pdo_pgsql_fetch_error_func,
1181         pdo_pgsql_get_attribute,
1182         pdo_pgsql_check_liveness,       /* check_liveness */
1183         pdo_pgsql_get_driver_methods,  /* get_driver_methods */
1184         NULL,
1185         pgsql_handle_in_transaction,
1186 };
1187 
1188 static int pdo_pgsql_handle_factory(pdo_dbh_t *dbh, zval *driver_options TSRMLS_DC) /* {{{ */
1189 {
1190         pdo_pgsql_db_handle *H;
1191         int ret = 0;
1192         char *conn_str, *p, *e;
1193         char *tmp_user, *tmp_pass;
1194         long connect_timeout = 30;
1195 
1196         H = pecalloc(1, sizeof(pdo_pgsql_db_handle), dbh->is_persistent);
1197         dbh->driver_data = H;
1198 
1199         H->einfo.errcode = 0;
1200         H->einfo.errmsg = NULL;
1201 
1202         /* PostgreSQL wants params in the connect string to be separated by spaces,
1203          * if the PDO standard semicolons are used, we convert them to spaces
1204          */
1205         e = (char *) dbh->data_source + strlen(dbh->data_source);
1206         p = (char *) dbh->data_source;
1207         while ((p = memchr(p, ';', (e - p)))) {
1208                 *p = ' ';
1209         }
1210 
1211         if (driver_options) {
1212                 connect_timeout = pdo_attr_lval(driver_options, PDO_ATTR_TIMEOUT, 30 TSRMLS_CC);
1213         }
1214 
1215         /* escape username and password, if provided */
1216         tmp_user = _pdo_pgsql_escape_credentials(dbh->username TSRMLS_CC);
1217         tmp_pass = _pdo_pgsql_escape_credentials(dbh->password TSRMLS_CC);
1218 
1219         /* support both full connection string & connection string + login and/or password */
1220         if (tmp_user && tmp_pass) {
1221                 spprintf(&conn_str, 0, "%s user='%s' password='%s' connect_timeout=%ld", dbh->data_source, tmp_user, tmp_pass, connect_timeout);
1222         } else if (tmp_user) {
1223                 spprintf(&conn_str, 0, "%s user='%s' connect_timeout=%ld", dbh->data_source, tmp_user, connect_timeout);
1224         } else if (tmp_pass) {
1225                 spprintf(&conn_str, 0, "%s password='%s' connect_timeout=%ld", dbh->data_source, tmp_pass, connect_timeout);
1226         } else {
1227                 spprintf(&conn_str, 0, "%s connect_timeout=%ld", (char *) dbh->data_source, connect_timeout);
1228         }
1229 
1230         H->server = PQconnectdb(conn_str);
1231 
1232         if (tmp_user) {
1233                 efree(tmp_user);
1234         }
1235         if (tmp_pass) {
1236                 efree(tmp_pass);
1237         }
1238 
1239         efree(conn_str);
1240 
1241         if (PQstatus(H->server) != CONNECTION_OK) {
1242                 pdo_pgsql_error(dbh, PGRES_FATAL_ERROR, PHP_PDO_PGSQL_CONNECTION_FAILURE_SQLSTATE);
1243                 goto cleanup;
1244         }
1245 
1246         PQsetNoticeProcessor(H->server, (void(*)(void*,const char*))_pdo_pgsql_notice, (void *)&dbh);
1247 
1248         H->attached = 1;
1249         H->pgoid = -1;
1250 
1251         dbh->methods = &pgsql_methods;
1252         dbh->alloc_own_columns = 1;
1253         dbh->max_escaped_char_length = 2;
1254 
1255         ret = 1;
1256 
1257 cleanup:
1258         dbh->methods = &pgsql_methods;
1259         if (!ret) {
1260                 pgsql_handle_closer(dbh TSRMLS_CC);
1261         }
1262 
1263         return ret;
1264 }
1265 /* }}} */
1266 
1267 pdo_driver_t pdo_pgsql_driver = {
1268         PDO_DRIVER_HEADER(pgsql),
1269         pdo_pgsql_handle_factory
1270 };
1271 
1272 /*
1273  * Local variables:
1274  * tab-width: 4
1275  * c-basic-offset: 4
1276  * End:
1277  * vim600: noet sw=4 ts=4 fdm=marker
1278  * vim<600: noet sw=4 ts=4
1279  */

/* [<][>][^][v][top][bottom][index][help] */