See Release Notes
Long Term Support Release
Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401] [Versions 401 and 403]
1 <?php 2 /** 3 * Base ODBC driver 4 * 5 * This file is part of ADOdb, a Database Abstraction Layer library for PHP. 6 * 7 * @package ADOdb 8 * @link https://adodb.org Project's web site and documentation 9 * @link https://github.com/ADOdb/ADOdb Source code and issue tracker 10 * 11 * The ADOdb Library is dual-licensed, released under both the BSD 3-Clause 12 * and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option, 13 * any later version. This means you can use it in proprietary products. 14 * See the LICENSE.md file distributed with this source code for details. 15 * @license BSD-3-Clause 16 * @license LGPL-2.1-or-later 17 * 18 * @copyright 2000-2013 John Lim 19 * @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community 20 */ 21 22 // security - hide paths 23 if (!defined('ADODB_DIR')) die(); 24 25 define("_ADODB_ODBC_LAYER", 2 ); 26 27 /* 28 * These constants are used to set define MetaColumns() method's behavior. 29 * - METACOLUMNS_RETURNS_ACTUAL makes the driver return the actual type, 30 * like all other drivers do (default) 31 * - METACOLUMNS_RETURNS_META is provided for legacy compatibility (makes 32 * driver behave as it did prior to v5.21) 33 * 34 * @see $metaColumnsReturnType 35 */ 36 DEFINE('METACOLUMNS_RETURNS_ACTUAL', 0); 37 DEFINE('METACOLUMNS_RETURNS_META', 1); 38 39 /*-------------------------------------------------------------------------------------- 40 --------------------------------------------------------------------------------------*/ 41 42 43 class ADODB_odbc extends ADOConnection { 44 var $databaseType = "odbc"; 45 var $fmtDate = "'Y-m-d'"; 46 var $fmtTimeStamp = "'Y-m-d, h:i:sA'"; 47 var $replaceQuote = "''"; // string to use to replace quotes 48 var $dataProvider = "odbc"; 49 var $hasAffectedRows = true; 50 var $binmode = ODBC_BINMODE_RETURN; 51 var $useFetchArray = false; // setting this to true will make array elements in FETCH_ASSOC mode case-sensitive 52 // breaking backward-compat 53 //var $longreadlen = 8000; // default number of chars to return for a Blob/Long field 54 var $_bindInputArray = false; 55 var $curmode = SQL_CUR_USE_DRIVER; // See sqlext.h, SQL_CUR_DEFAULT == SQL_CUR_USE_DRIVER == 2L 56 var $_genSeqSQL = "create table %s (id integer)"; 57 var $_autocommit = true; 58 var $_lastAffectedRows = 0; 59 var $uCaseTables = true; // for meta* functions, uppercase table names 60 61 /* 62 * Tells the metaColumns feature whether to return actual or meta type 63 */ 64 public $metaColumnsReturnType = METACOLUMNS_RETURNS_ACTUAL; 65 66 function __construct() {} 67 68 // returns true or false 69 function _connect($argDSN, $argUsername, $argPassword, $argDatabasename) 70 { 71 if (!function_exists('odbc_connect')) return null; 72 73 if (!empty($argDatabasename) && stristr($argDSN, 'Database=') === false) { 74 $argDSN = trim($argDSN); 75 $endDSN = substr($argDSN, strlen($argDSN) - 1); 76 if ($endDSN != ';') $argDSN .= ';'; 77 $argDSN .= 'Database='.$argDatabasename; 78 } 79 80 $last_php_error = $this->resetLastError(); 81 if ($this->curmode === false) $this->_connectionID = odbc_connect($argDSN,$argUsername,$argPassword); 82 else $this->_connectionID = odbc_connect($argDSN,$argUsername,$argPassword,$this->curmode); 83 $this->_errorMsg = $this->getChangedErrorMsg($last_php_error); 84 if (isset($this->connectStmt)) $this->Execute($this->connectStmt); 85 86 return $this->_connectionID != false; 87 } 88 89 // returns true or false 90 function _pconnect($argDSN, $argUsername, $argPassword, $argDatabasename) 91 { 92 if (!function_exists('odbc_connect')) return null; 93 94 $last_php_error = $this->resetLastError(); 95 $this->_errorMsg = ''; 96 if ($this->debug && $argDatabasename) { 97 ADOConnection::outp("For odbc PConnect(), $argDatabasename is not used. Place dsn in 1st parameter."); 98 } 99 // print "dsn=$argDSN u=$argUsername p=$argPassword<br>"; flush(); 100 if ($this->curmode === false) $this->_connectionID = odbc_connect($argDSN,$argUsername,$argPassword); 101 else $this->_connectionID = odbc_pconnect($argDSN,$argUsername,$argPassword,$this->curmode); 102 103 $this->_errorMsg = $this->getChangedErrorMsg($last_php_error); 104 if ($this->_connectionID && $this->autoRollback) @odbc_rollback($this->_connectionID); 105 if (isset($this->connectStmt)) $this->Execute($this->connectStmt); 106 107 return $this->_connectionID != false; 108 } 109 110 111 function ServerInfo() 112 { 113 114 if (!empty($this->host)) { 115 $dsn = strtoupper($this->host); 116 $first = true; 117 $found = false; 118 119 if (!function_exists('odbc_data_source')) return false; 120 121 while(true) { 122 123 $rez = @odbc_data_source($this->_connectionID, 124 $first ? SQL_FETCH_FIRST : SQL_FETCH_NEXT); 125 $first = false; 126 if (!is_array($rez)) break; 127 if (strtoupper($rez['server']) == $dsn) { 128 $found = true; 129 break; 130 } 131 } 132 if (!$found) return ADOConnection::ServerInfo(); 133 if (!isset($rez['version'])) $rez['version'] = ''; 134 return $rez; 135 } else { 136 return ADOConnection::ServerInfo(); 137 } 138 } 139 140 141 function CreateSequence($seqname='adodbseq',$start=1) 142 { 143 if (empty($this->_genSeqSQL)) return false; 144 $ok = $this->Execute(sprintf($this->_genSeqSQL,$seqname)); 145 if (!$ok) return false; 146 $start -= 1; 147 return $this->Execute("insert into $seqname values($start)"); 148 } 149 150 var $_dropSeqSQL = 'drop table %s'; 151 function DropSequence($seqname = 'adodbseq') 152 { 153 if (empty($this->_dropSeqSQL)) return false; 154 return $this->Execute(sprintf($this->_dropSeqSQL,$seqname)); 155 } 156 157 /* 158 This algorithm is not very efficient, but works even if table locking 159 is not available. 160 161 Will return false if unable to generate an ID after $MAXLOOPS attempts. 162 */ 163 function GenID($seq='adodbseq',$start=1) 164 { 165 // if you have to modify the parameter below, your database is overloaded, 166 // or you need to implement generation of id's yourself! 167 $MAXLOOPS = 100; 168 //$this->debug=1; 169 while (--$MAXLOOPS>=0) { 170 $num = $this->GetOne("select id from $seq"); 171 if ($num === false) { 172 $this->Execute(sprintf($this->_genSeqSQL ,$seq)); 173 $start -= 1; 174 $num = '0'; 175 $ok = $this->Execute("insert into $seq values($start)"); 176 if (!$ok) return false; 177 } 178 $this->Execute("update $seq set id=id+1 where id=$num"); 179 180 if ($this->affected_rows() > 0) { 181 $num += 1; 182 $this->genID = $num; 183 return $num; 184 } elseif ($this->affected_rows() == 0) { 185 // some drivers do not return a valid value => try with another method 186 $value = $this->GetOne("select id from $seq"); 187 if ($value == $num + 1) { 188 return $value; 189 } 190 } 191 } 192 if ($fn = $this->raiseErrorFn) { 193 $fn($this->databaseType,'GENID',-32000,"Unable to generate unique id after $MAXLOOPS attempts",$seq,$num); 194 } 195 return false; 196 } 197 198 199 function ErrorMsg() 200 { 201 if ($this->_errorMsg !== false) return $this->_errorMsg; 202 if (empty($this->_connectionID)) return @odbc_errormsg(); 203 return @odbc_errormsg($this->_connectionID); 204 } 205 206 function ErrorNo() 207 { 208 if ($this->_errorCode !== false) { 209 // bug in 4.0.6, error number can be corrupted string (should be 6 digits) 210 return (strlen($this->_errorCode)<=2) ? 0 : $this->_errorCode; 211 } 212 213 if (empty($this->_connectionID)) $e = @odbc_error(); 214 else $e = @odbc_error($this->_connectionID); 215 216 // bug in 4.0.6, error number can be corrupted string (should be 6 digits) 217 // so we check and patch 218 if (strlen($e)<=2) return 0; 219 return $e; 220 } 221 222 223 224 function BeginTrans() 225 { 226 if (!$this->hasTransactions) return false; 227 if ($this->transOff) return true; 228 $this->transCnt += 1; 229 $this->_autocommit = false; 230 return odbc_autocommit($this->_connectionID,false); 231 } 232 233 function CommitTrans($ok=true) 234 { 235 if ($this->transOff) return true; 236 if (!$ok) return $this->RollbackTrans(); 237 if ($this->transCnt) $this->transCnt -= 1; 238 $this->_autocommit = true; 239 $ret = odbc_commit($this->_connectionID); 240 odbc_autocommit($this->_connectionID,true); 241 return $ret; 242 } 243 244 function RollbackTrans() 245 { 246 if ($this->transOff) return true; 247 if ($this->transCnt) $this->transCnt -= 1; 248 $this->_autocommit = true; 249 $ret = odbc_rollback($this->_connectionID); 250 odbc_autocommit($this->_connectionID,true); 251 return $ret; 252 } 253 254 function MetaPrimaryKeys($table,$owner=false) 255 { 256 global $ADODB_FETCH_MODE; 257 258 if ($this->uCaseTables) $table = strtoupper($table); 259 $schema = ''; 260 $this->_findschema($table,$schema); 261 262 $savem = $ADODB_FETCH_MODE; 263 $ADODB_FETCH_MODE = ADODB_FETCH_NUM; 264 $qid = @odbc_primarykeys($this->_connectionID,'',$schema,$table); 265 266 if (!$qid) { 267 $ADODB_FETCH_MODE = $savem; 268 return false; 269 } 270 $rs = new ADORecordSet_odbc($qid); 271 $ADODB_FETCH_MODE = $savem; 272 273 if (!$rs) return false; 274 275 $arr = $rs->GetArray(); 276 $rs->Close(); 277 //print_r($arr); 278 $arr2 = array(); 279 for ($i=0; $i < sizeof($arr); $i++) { 280 if ($arr[$i][3]) $arr2[] = $arr[$i][3]; 281 } 282 return $arr2; 283 } 284 285 286 287 function MetaTables($ttype=false,$showSchema=false,$mask=false) 288 { 289 global $ADODB_FETCH_MODE; 290 291 $savem = $ADODB_FETCH_MODE; 292 $ADODB_FETCH_MODE = ADODB_FETCH_NUM; 293 $qid = odbc_tables($this->_connectionID); 294 295 $rs = new ADORecordSet_odbc($qid); 296 297 $ADODB_FETCH_MODE = $savem; 298 if (!$rs) { 299 $false = false; 300 return $false; 301 } 302 303 $arr = $rs->GetArray(); 304 //print_r($arr); 305 306 $rs->Close(); 307 $arr2 = array(); 308 309 if ($ttype) { 310 $isview = strncmp($ttype,'V',1) === 0; 311 } 312 for ($i=0; $i < sizeof($arr); $i++) { 313 if (!$arr[$i][2]) continue; 314 $type = $arr[$i][3]; 315 if ($ttype) { 316 if ($isview) { 317 if (strncmp($type,'V',1) === 0) $arr2[] = $arr[$i][2]; 318 } else if (strncmp($type,'SYS',3) !== 0) $arr2[] = $arr[$i][2]; 319 } else if (strncmp($type,'SYS',3) !== 0) $arr2[] = $arr[$i][2]; 320 } 321 return $arr2; 322 } 323 324 /* 325 See http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odbc/htm/odbcdatetime_data_type_changes.asp 326 / SQL data type codes / 327 #define SQL_UNKNOWN_TYPE 0 328 #define SQL_CHAR 1 329 #define SQL_NUMERIC 2 330 #define SQL_DECIMAL 3 331 #define SQL_INTEGER 4 332 #define SQL_SMALLINT 5 333 #define SQL_FLOAT 6 334 #define SQL_REAL 7 335 #define SQL_DOUBLE 8 336 #if (ODBCVER >= 0x0300) 337 #define SQL_DATETIME 9 338 #endif 339 #define SQL_VARCHAR 12 340 341 342 / One-parameter shortcuts for date/time data types / 343 #if (ODBCVER >= 0x0300) 344 #define SQL_TYPE_DATE 91 345 #define SQL_TYPE_TIME 92 346 #define SQL_TYPE_TIMESTAMP 93 347 348 #define SQL_UNICODE (-95) 349 #define SQL_UNICODE_VARCHAR (-96) 350 #define SQL_UNICODE_LONGVARCHAR (-97) 351 */ 352 function ODBCTypes($t) 353 { 354 switch ((integer)$t) { 355 case 1: 356 case 12: 357 case 0: 358 case -95: 359 case -96: 360 return 'C'; 361 case -97: 362 case -1: //text 363 return 'X'; 364 case -4: //image 365 return 'B'; 366 367 case 9: 368 case 91: 369 return 'D'; 370 371 case 10: 372 case 11: 373 case 92: 374 case 93: 375 return 'T'; 376 377 case 4: 378 case 5: 379 case -6: 380 return 'I'; 381 382 case -11: // uniqidentifier 383 return 'R'; 384 case -7: //bit 385 return 'L'; 386 387 default: 388 return 'N'; 389 } 390 } 391 392 function MetaColumns($table, $normalize=true) 393 { 394 global $ADODB_FETCH_MODE; 395 396 $false = false; 397 if ($this->uCaseTables) $table = strtoupper($table); 398 $schema = ''; 399 $this->_findschema($table,$schema); 400 401 $savem = $ADODB_FETCH_MODE; 402 $ADODB_FETCH_MODE = ADODB_FETCH_NUM; 403 404 /*if (false) { // after testing, confirmed that the following does not work because of a bug 405 $qid2 = odbc_tables($this->_connectionID); 406 $rs = new ADORecordSet_odbc($qid2); 407 $ADODB_FETCH_MODE = $savem; 408 if (!$rs) return false; 409 $rs->_fetch(); 410 411 while (!$rs->EOF) { 412 if ($table == strtoupper($rs->fields[2])) { 413 $q = $rs->fields[0]; 414 $o = $rs->fields[1]; 415 break; 416 } 417 $rs->MoveNext(); 418 } 419 $rs->Close(); 420 421 $qid = odbc_columns($this->_connectionID,$q,$o,strtoupper($table),'%'); 422 } */ 423 424 switch ($this->databaseType) { 425 case 'access': 426 case 'vfp': 427 $qid = odbc_columns($this->_connectionID);#,'%','',strtoupper($table),'%'); 428 break; 429 430 431 case 'db2': 432 $colname = "%"; 433 $qid = odbc_columns($this->_connectionID, "", $schema, $table, $colname); 434 break; 435 436 default: 437 $qid = @odbc_columns($this->_connectionID,'%','%',strtoupper($table),'%'); 438 if (empty($qid)) $qid = odbc_columns($this->_connectionID); 439 break; 440 } 441 if (empty($qid)) return $false; 442 443 $rs = new ADORecordSet_odbc($qid); 444 $ADODB_FETCH_MODE = $savem; 445 446 if (!$rs) return $false; 447 $rs->_fetch(); 448 449 $retarr = array(); 450 451 /* 452 $rs->fields indices 453 0 TABLE_QUALIFIER 454 1 TABLE_SCHEM 455 2 TABLE_NAME 456 3 COLUMN_NAME 457 4 DATA_TYPE 458 5 TYPE_NAME 459 6 PRECISION 460 7 LENGTH 461 8 SCALE 462 9 RADIX 463 10 NULLABLE 464 11 REMARKS 465 */ 466 while (!$rs->EOF) { 467 // adodb_pr($rs->fields); 468 if (strtoupper(trim($rs->fields[2])) == $table && (!$schema || strtoupper($rs->fields[1]) == $schema)) { 469 $fld = new ADOFieldObject(); 470 $fld->name = $rs->fields[3]; 471 if ($this->metaColumnsReturnType == METACOLUMNS_RETURNS_META) 472 /* 473 * This is the broken, original value 474 */ 475 $fld->type = $this->ODBCTypes($rs->fields[4]); 476 else 477 /* 478 * This is the correct new value 479 */ 480 $fld->type = $rs->fields[4]; 481 482 // ref: http://msdn.microsoft.com/library/default.asp?url=/archive/en-us/dnaraccgen/html/msdn_odk.asp 483 // access uses precision to store length for char/varchar 484 if ($fld->type == 'C' or $fld->type == 'X') { 485 if ($this->databaseType == 'access') 486 $fld->max_length = $rs->fields[6]; 487 else if ($rs->fields[4] <= -95) // UNICODE 488 $fld->max_length = $rs->fields[7]/2; 489 else 490 $fld->max_length = $rs->fields[7]; 491 } else 492 $fld->max_length = $rs->fields[7]; 493 $fld->not_null = !empty($rs->fields[10]); 494 $fld->scale = $rs->fields[8]; 495 $retarr[strtoupper($fld->name)] = $fld; 496 } else if (sizeof($retarr)>0) 497 break; 498 $rs->MoveNext(); 499 } 500 $rs->Close(); //-- crashes 4.03pl1 -- why? 501 502 if (empty($retarr)) $retarr = false; 503 return $retarr; 504 } 505 506 function Prepare($sql) 507 { 508 if (! $this->_bindInputArray) return $sql; // no binding 509 $stmt = odbc_prepare($this->_connectionID,$sql); 510 if (!$stmt) { 511 // we don't know whether odbc driver is parsing prepared stmts, so just return sql 512 return $sql; 513 } 514 return array($sql,$stmt,false); 515 } 516 517 /* returns queryID or false */ 518 function _query($sql,$inputarr=false) 519 { 520 $last_php_error = $this->resetLastError(); 521 $this->_errorMsg = ''; 522 523 if ($inputarr) { 524 if (is_array($sql)) { 525 $stmtid = $sql[1]; 526 } else { 527 $stmtid = odbc_prepare($this->_connectionID,$sql); 528 529 if ($stmtid == false) { 530 $this->_errorMsg = $this->getChangedErrorMsg($last_php_error); 531 return false; 532 } 533 } 534 535 if (! odbc_execute($stmtid,$inputarr)) { 536 //@odbc_free_result($stmtid); 537 $this->_errorMsg = odbc_errormsg(); 538 $this->_errorCode = odbc_error(); 539 return false; 540 } 541 542 } else if (is_array($sql)) { 543 $stmtid = $sql[1]; 544 if (!odbc_execute($stmtid)) { 545 //@odbc_free_result($stmtid); 546 $this->_errorMsg = odbc_errormsg(); 547 $this->_errorCode = odbc_error(); 548 return false; 549 } 550 } else 551 $stmtid = odbc_exec($this->_connectionID,$sql); 552 553 $this->_lastAffectedRows = 0; 554 if ($stmtid) { 555 if (@odbc_num_fields($stmtid) == 0) { 556 $this->_lastAffectedRows = odbc_num_rows($stmtid); 557 $stmtid = true; 558 } else { 559 $this->_lastAffectedRows = 0; 560 odbc_binmode($stmtid,$this->binmode); 561 odbc_longreadlen($stmtid,$this->maxblobsize); 562 } 563 564 $this->_errorMsg = ''; 565 $this->_errorCode = 0; 566 } else { 567 $this->_errorMsg = odbc_errormsg(); 568 $this->_errorCode = odbc_error(); 569 } 570 return $stmtid; 571 } 572 573 /* 574 Insert a null into the blob field of the table first. 575 Then use UpdateBlob to store the blob. 576 577 Usage: 578 579 $conn->Execute('INSERT INTO blobtable (id, blobcol) VALUES (1, null)'); 580 $conn->UpdateBlob('blobtable','blobcol',$blob,'id=1'); 581 */ 582 function UpdateBlob($table,$column,$val,$where,$blobtype='BLOB') 583 { 584 return $this->Execute("UPDATE $table SET $column=? WHERE $where",array($val)) != false; 585 } 586 587 // returns true or false 588 function _close() 589 { 590 $ret = @odbc_close($this->_connectionID); 591 $this->_connectionID = false; 592 return $ret; 593 } 594 595 function _affectedrows() 596 { 597 return $this->_lastAffectedRows; 598 } 599 600 } 601 602 /*-------------------------------------------------------------------------------------- 603 Class Name: Recordset 604 --------------------------------------------------------------------------------------*/ 605 606 class ADORecordSet_odbc extends ADORecordSet { 607 608 var $bind = false; 609 var $databaseType = "odbc"; 610 var $dataProvider = "odbc"; 611 var $useFetchArray; 612 613 function __construct($id,$mode=false) 614 { 615 if ($mode === false) { 616 global $ADODB_FETCH_MODE; 617 $mode = $ADODB_FETCH_MODE; 618 } 619 $this->fetchMode = $mode; 620 621 $this->_queryID = $id; 622 623 // the following is required for mysql odbc driver in 4.3.1 -- why? 624 $this->EOF = false; 625 $this->_currentRow = -1; 626 //parent::__construct($id); 627 } 628 629 630 // returns the field object 631 function FetchField($fieldOffset = -1) 632 { 633 634 $off=$fieldOffset+1; // offsets begin at 1 635 636 $o= new ADOFieldObject(); 637 $o->name = @odbc_field_name($this->_queryID,$off); 638 $o->type = @odbc_field_type($this->_queryID,$off); 639 $o->max_length = @odbc_field_len($this->_queryID,$off); 640 if (ADODB_ASSOC_CASE == 0) $o->name = strtolower($o->name); 641 else if (ADODB_ASSOC_CASE == 1) $o->name = strtoupper($o->name); 642 return $o; 643 } 644 645 /* Use associative array to get fields array */ 646 function Fields($colname) 647 { 648 if ($this->fetchMode & ADODB_FETCH_ASSOC) return $this->fields[$colname]; 649 if (!$this->bind) { 650 $this->bind = array(); 651 for ($i=0; $i < $this->_numOfFields; $i++) { 652 $o = $this->FetchField($i); 653 $this->bind[strtoupper($o->name)] = $i; 654 } 655 } 656 657 return $this->fields[$this->bind[strtoupper($colname)]]; 658 } 659 660 661 function _initrs() 662 { 663 global $ADODB_COUNTRECS; 664 $this->_numOfRows = ($ADODB_COUNTRECS) ? @odbc_num_rows($this->_queryID) : -1; 665 $this->_numOfFields = @odbc_num_fields($this->_queryID); 666 // some silly drivers such as db2 as/400 and intersystems cache return _numOfRows = 0 667 if ($this->_numOfRows == 0) $this->_numOfRows = -1; 668 //$this->useFetchArray = $this->connection->useFetchArray; 669 } 670 671 function _seek($row) 672 { 673 return false; 674 } 675 676 // speed up SelectLimit() by switching to ADODB_FETCH_NUM as ADODB_FETCH_ASSOC is emulated 677 function GetArrayLimit($nrows,$offset=-1) 678 { 679 if ($offset <= 0) { 680 $rs = $this->GetArray($nrows); 681 return $rs; 682 } 683 $savem = $this->fetchMode; 684 $this->fetchMode = ADODB_FETCH_NUM; 685 $this->Move($offset); 686 $this->fetchMode = $savem; 687 688 if ($this->fetchMode & ADODB_FETCH_ASSOC) { 689 $this->fields = $this->GetRowAssoc(); 690 } 691 692 $results = array(); 693 $cnt = 0; 694 while (!$this->EOF && $nrows != $cnt) { 695 $results[$cnt++] = $this->fields; 696 $this->MoveNext(); 697 } 698 699 return $results; 700 } 701 702 703 function MoveNext() 704 { 705 if ($this->_numOfRows != 0 && !$this->EOF) { 706 $this->_currentRow++; 707 if( $this->_fetch() ) { 708 return true; 709 } 710 } 711 $this->fields = false; 712 $this->EOF = true; 713 return false; 714 } 715 716 function _fetch() 717 { 718 $this->fields = false; 719 $rez = @odbc_fetch_into($this->_queryID,$this->fields); 720 if ($rez) { 721 if ($this->fetchMode & ADODB_FETCH_ASSOC) { 722 $this->fields = $this->GetRowAssoc(); 723 } 724 return true; 725 } 726 return false; 727 } 728 729 function _close() 730 { 731 return @odbc_free_result($this->_queryID); 732 } 733 734 }
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