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source: branches/2.2.0.1/phpgwapi/inc/adodb/drivers/adodb-odbc.inc.php @ 34

Revision 34, 19.1 KB checked in by niltonneto, 17 years ago (diff)
Versão nova do ADODB (4.5 para 4.95)
Property svn:eol-style set to `native` Property svn:executable set to ``*

Line
1	<?php
2	/*
3	V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved.
4	Released under both BSD license and Lesser GPL library license.
5	Whenever there is any discrepancy between the two licenses,
6	the BSD license will take precedence.
7	Set tabs to 4 for best viewing.
8
9	Latest version is available at http://adodb.sourceforge.net
10
11	Requires ODBC. Works on Windows and Unix.
12	*/
13	// security - hide paths
14	if (!defined('ADODB_DIR')) die();
15
16	define("_ADODB_ODBC_LAYER", 2 );
17
18	/*--------------------------------------------------------------------------------------
19	--------------------------------------------------------------------------------------*/
20
21
22	class ADODB_odbc extends ADOConnection {
23	var $databaseType = "odbc";
24	var $fmtDate = "'Y-m-d'";
25	var $fmtTimeStamp = "'Y-m-d, h:i:sA'";
26	var $replaceQuote = "''"; // string to use to replace quotes
27	var $dataProvider = "odbc";
28	var $hasAffectedRows = true;
29	var $binmode = ODBC_BINMODE_RETURN;
30	var $useFetchArray = false; // setting this to true will make array elements in FETCH_ASSOC mode case-sensitive
31	// breaking backward-compat
32	//var $longreadlen = 8000; // default number of chars to return for a Blob/Long field
33	var $_bindInputArray = false;
34	var $curmode = SQL_CUR_USE_DRIVER; // See sqlext.h, SQL_CUR_DEFAULT == SQL_CUR_USE_DRIVER == 2L
35	var $_genSeqSQL = "create table %s (id integer)";
36	var $_autocommit = true;
37	var $_haserrorfunctions = true;
38	var $_has_stupid_odbc_fetch_api_change = true;
39	var $_lastAffectedRows = 0;
40	var $uCaseTables = true; // for meta* functions, uppercase table names
41
42	function ADODB_odbc()
43	{
44	$this->_haserrorfunctions = ADODB_PHPVER >= 0x4050;
45	$this->_has_stupid_odbc_fetch_api_change = ADODB_PHPVER >= 0x4200;
46	}
47
48	// returns true or false
49	function _connect($argDSN, $argUsername, $argPassword, $argDatabasename)
50	{
51	global $php_errormsg;
52
53	if (!function_exists('odbc_connect')) return null;
54
55	if ($this->debug && $argDatabasename && $this->databaseType != 'vfp') {
56	ADOConnection::outp("For odbc Connect(), $argDatabasename is not used. Place dsn in 1st parameter.");
57	}
58	if (isset($php_errormsg)) $php_errormsg = '';
59	if ($this->curmode === false) $this->_connectionID = odbc_connect($argDSN,$argUsername,$argPassword);
60	else $this->_connectionID = odbc_connect($argDSN,$argUsername,$argPassword,$this->curmode);
61	$this->_errorMsg = isset($php_errormsg) ? $php_errormsg : '';
62	if (isset($this->connectStmt)) $this->Execute($this->connectStmt);
63
64	return $this->_connectionID != false;
65	}
66
67	// returns true or false
68	function _pconnect($argDSN, $argUsername, $argPassword, $argDatabasename)
69	{
70	global $php_errormsg;
71
72	if (!function_exists('odbc_connect')) return null;
73
74	if (isset($php_errormsg)) $php_errormsg = '';
75	$this->_errorMsg = isset($php_errormsg) ? $php_errormsg : '';
76	if ($this->debug && $argDatabasename) {
77	ADOConnection::outp("For odbc PConnect(), $argDatabasename is not used. Place dsn in 1st parameter.");
78	}
79	// print "dsn=$argDSN u=$argUsername p=$argPassword<br>"; flush();
80	if ($this->curmode === false) $this->_connectionID = odbc_connect($argDSN,$argUsername,$argPassword);
81	else $this->_connectionID = odbc_pconnect($argDSN,$argUsername,$argPassword,$this->curmode);
82
83	$this->_errorMsg = isset($php_errormsg) ? $php_errormsg : '';
84	if ($this->_connectionID && $this->autoRollback) @odbc_rollback($this->_connectionID);
85	if (isset($this->connectStmt)) $this->Execute($this->connectStmt);
86
87	return $this->_connectionID != false;
88	}
89
90
91	function ServerInfo()
92	{
93
94	if (!empty($this->host) && ADODB_PHPVER >= 0x4300) {
95	$dsn = strtoupper($this->host);
96	$first = true;
97	$found = false;
98
99	if (!function_exists('odbc_data_source')) return false;
100
101	while(true) {
102
103	$rez = @odbc_data_source($this->_connectionID,
104	$first ? SQL_FETCH_FIRST : SQL_FETCH_NEXT);
105	$first = false;
106	if (!is_array($rez)) break;
107	if (strtoupper($rez['server']) == $dsn) {
108	$found = true;
109	break;
110	}
111	}
112	if (!$found) return ADOConnection::ServerInfo();
113	if (!isset($rez['version'])) $rez['version'] = '';
114	return $rez;
115	} else {
116	return ADOConnection::ServerInfo();
117	}
118	}
119
120
121	function CreateSequence($seqname='adodbseq',$start=1)
122	{
123	if (empty($this->_genSeqSQL)) return false;
124	$ok = $this->Execute(sprintf($this->_genSeqSQL,$seqname));
125	if (!$ok) return false;
126	$start -= 1;
127	return $this->Execute("insert into $seqname values($start)");
128	}
129
130	var $_dropSeqSQL = 'drop table %s';
131	function DropSequence($seqname)
132	{
133	if (empty($this->_dropSeqSQL)) return false;
134	return $this->Execute(sprintf($this->_dropSeqSQL,$seqname));
135	}
136
137	/*
138	This algorithm is not very efficient, but works even if table locking
139	is not available.
140
141	Will return false if unable to generate an ID after $MAXLOOPS attempts.
142	*/
143	function GenID($seq='adodbseq',$start=1)
144	{
145	// if you have to modify the parameter below, your database is overloaded,
146	// or you need to implement generation of id's yourself!
147	$MAXLOOPS = 100;
148	//$this->debug=1;
149	while (--$MAXLOOPS>=0) {
150	$num = $this->GetOne("select id from $seq");
151	if ($num === false) {
152	$this->Execute(sprintf($this->_genSeqSQL ,$seq));
153	$start -= 1;
154	$num = '0';
155	$ok = $this->Execute("insert into $seq values($start)");
156	if (!$ok) return false;
157	}
158	$this->Execute("update $seq set id=id+1 where id=$num");
159
160	if ($this->affected_rows() > 0) {
161	$num += 1;
162	$this->genID = $num;
163	return $num;
164	}
165	}
166	if ($fn = $this->raiseErrorFn) {
167	$fn($this->databaseType,'GENID',-32000,"Unable to generate unique id after $MAXLOOPS attempts",$seq,$num);
168	}
169	return false;
170	}
171
172
173	function ErrorMsg()
174	{
175	if ($this->_haserrorfunctions) {
176	if ($this->_errorMsg !== false) return $this->_errorMsg;
177	if (empty($this->_connectionID)) return @odbc_errormsg();
178	return @odbc_errormsg($this->_connectionID);
179	} else return ADOConnection::ErrorMsg();
180	}
181
182	function ErrorNo()
183	{
184
185	if ($this->_haserrorfunctions) {
186	if ($this->_errorCode !== false) {
187	// bug in 4.0.6, error number can be corrupted string (should be 6 digits)
188	return (strlen($this->_errorCode)<=2) ? 0 : $this->_errorCode;
189	}
190
191	if (empty($this->_connectionID)) $e = @odbc_error();
192	else $e = @odbc_error($this->_connectionID);
193
194	// bug in 4.0.6, error number can be corrupted string (should be 6 digits)
195	// so we check and patch
196	if (strlen($e)<=2) return 0;
197	return $e;
198	} else return ADOConnection::ErrorNo();
199	}
200
201
202
203	function BeginTrans()
204	{
205	if (!$this->hasTransactions) return false;
206	if ($this->transOff) return true;
207	$this->transCnt += 1;
208	$this->_autocommit = false;
209	return odbc_autocommit($this->_connectionID,false);
210	}
211
212	function CommitTrans($ok=true)
213	{
214	if ($this->transOff) return true;
215	if (!$ok) return $this->RollbackTrans();
216	if ($this->transCnt) $this->transCnt -= 1;
217	$this->_autocommit = true;
218	$ret = odbc_commit($this->_connectionID);
219	odbc_autocommit($this->_connectionID,true);
220	return $ret;
221	}
222
223	function RollbackTrans()
224	{
225	if ($this->transOff) return true;
226	if ($this->transCnt) $this->transCnt -= 1;
227	$this->_autocommit = true;
228	$ret = odbc_rollback($this->_connectionID);
229	odbc_autocommit($this->_connectionID,true);
230	return $ret;
231	}
232
233	function MetaPrimaryKeys($table)
234	{
235	global $ADODB_FETCH_MODE;
236
237	if ($this->uCaseTables) $table = strtoupper($table);
238	$schema = '';
239	$this->_findschema($table,$schema);
240
241	$savem = $ADODB_FETCH_MODE;
242	$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
243	$qid = @odbc_primarykeys($this->_connectionID,'',$schema,$table);
244
245	if (!$qid) {
246	$ADODB_FETCH_MODE = $savem;
247	return false;
248	}
249	$rs = new ADORecordSet_odbc($qid);
250	$ADODB_FETCH_MODE = $savem;
251
252	if (!$rs) return false;
253	$rs->_has_stupid_odbc_fetch_api_change = $this->_has_stupid_odbc_fetch_api_change;
254
255	$arr =& $rs->GetArray();
256	$rs->Close();
257	//print_r($arr);
258	$arr2 = array();
259	for ($i=0; $i < sizeof($arr); $i++) {
260	if ($arr[$i][3]) $arr2[] = $arr[$i][3];
261	}
262	return $arr2;
263	}
264
265
266
267	function &MetaTables($ttype=false)
268	{
269	global $ADODB_FETCH_MODE;
270
271	$savem = $ADODB_FETCH_MODE;
272	$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
273	$qid = odbc_tables($this->_connectionID);
274
275	$rs = new ADORecordSet_odbc($qid);
276
277	$ADODB_FETCH_MODE = $savem;
278	if (!$rs) {
279	$false = false;
280	return $false;
281	}
282	$rs->_has_stupid_odbc_fetch_api_change = $this->_has_stupid_odbc_fetch_api_change;
283
284	$arr =& $rs->GetArray();
285	//print_r($arr);
286
287	$rs->Close();
288	$arr2 = array();
289
290	if ($ttype) {
291	$isview = strncmp($ttype,'V',1) === 0;
292	}
293	for ($i=0; $i < sizeof($arr); $i++) {
294	if (!$arr[$i][2]) continue;
295	$type = $arr[$i][3];
296	if ($ttype) {
297	if ($isview) {
298	if (strncmp($type,'V',1) === 0) $arr2[] = $arr[$i][2];
299	} else if (strncmp($type,'SYS',3) !== 0) $arr2[] = $arr[$i][2];
300	} else if (strncmp($type,'SYS',3) !== 0) $arr2[] = $arr[$i][2];
301	}
302	return $arr2;
303	}
304
305	/*
306	See http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odbc/htm/odbcdatetime_data_type_changes.asp
307	/ SQL data type codes /
308	#define SQL_UNKNOWN_TYPE 0
309	#define SQL_CHAR 1
310	#define SQL_NUMERIC 2
311	#define SQL_DECIMAL 3
312	#define SQL_INTEGER 4
313	#define SQL_SMALLINT 5
314	#define SQL_FLOAT 6
315	#define SQL_REAL 7
316	#define SQL_DOUBLE 8
317	#if (ODBCVER >= 0x0300)
318	#define SQL_DATETIME 9
319	#endif
320	#define SQL_VARCHAR 12
321
322
323	/ One-parameter shortcuts for date/time data types /
324	#if (ODBCVER >= 0x0300)
325	#define SQL_TYPE_DATE 91
326	#define SQL_TYPE_TIME 92
327	#define SQL_TYPE_TIMESTAMP 93
328
329	#define SQL_UNICODE (-95)
330	#define SQL_UNICODE_VARCHAR (-96)
331	#define SQL_UNICODE_LONGVARCHAR (-97)
332	*/
333	function ODBCTypes($t)
334	{
335	switch ((integer)$t) {
336	case 1:
337	case 12:
338	case 0:
339	case -95:
340	case -96:
341	return 'C';
342	case -97:
343	case -1: //text
344	return 'X';
345	case -4: //image
346	return 'B';
347
348	case 9:
349	case 91:
350	return 'D';
351
352	case 10:
353	case 11:
354	case 92:
355	case 93:
356	return 'T';
357
358	case 4:
359	case 5:
360	case -6:
361	return 'I';
362
363	case -11: // uniqidentifier
364	return 'R';
365	case -7: //bit
366	return 'L';
367
368	default:
369	return 'N';
370	}
371	}
372
373	function &MetaColumns($table)
374	{
375	global $ADODB_FETCH_MODE;
376
377	$false = false;
378	if ($this->uCaseTables) $table = strtoupper($table);
379	$schema = '';
380	$this->_findschema($table,$schema);
381
382	$savem = $ADODB_FETCH_MODE;
383	$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
384
385	/*if (false) { // after testing, confirmed that the following does not work becoz of a bug
386	$qid2 = odbc_tables($this->_connectionID);
387	$rs = new ADORecordSet_odbc($qid2);
388	$ADODB_FETCH_MODE = $savem;
389	if (!$rs) return false;
390	$rs->_has_stupid_odbc_fetch_api_change = $this->_has_stupid_odbc_fetch_api_change;
391	$rs->_fetch();
392
393	while (!$rs->EOF) {
394	if ($table == strtoupper($rs->fields[2])) {
395	$q = $rs->fields[0];
396	$o = $rs->fields[1];
397	break;
398	}
399	$rs->MoveNext();
400	}
401	$rs->Close();
402
403	$qid = odbc_columns($this->_connectionID,$q,$o,strtoupper($table),'%');
404	} */
405
406	switch ($this->databaseType) {
407	case 'access':
408	case 'vfp':
409	$qid = odbc_columns($this->_connectionID);#,'%','',strtoupper($table),'%');
410	break;
411
412
413	case 'db2':
414	$colname = "%";
415	$qid = odbc_columns($this->_connectionID, "", $schema, $table, $colname);
416	break;
417
418	default:
419	$qid = @odbc_columns($this->_connectionID,'%','%',strtoupper($table),'%');
420	if (empty($qid)) $qid = odbc_columns($this->_connectionID);
421	break;
422	}
423	if (empty($qid)) return $false;
424
425	$rs =& new ADORecordSet_odbc($qid);
426	$ADODB_FETCH_MODE = $savem;
427
428	if (!$rs) return $false;
429	$rs->_has_stupid_odbc_fetch_api_change = $this->_has_stupid_odbc_fetch_api_change;
430	$rs->_fetch();
431
432	$retarr = array();
433
434	/*
435	$rs->fields indices
436	0 TABLE_QUALIFIER
437	1 TABLE_SCHEM
438	2 TABLE_NAME
439	3 COLUMN_NAME
440	4 DATA_TYPE
441	5 TYPE_NAME
442	6 PRECISION
443	7 LENGTH
444	8 SCALE
445	9 RADIX
446	10 NULLABLE
447	11 REMARKS
448	*/
449	while (!$rs->EOF) {
450	// adodb_pr($rs->fields);
451	if (strtoupper(trim($rs->fields[2])) == $table && (!$schema \|\| strtoupper($rs->fields[1]) == $schema)) {
452	$fld = new ADOFieldObject();
453	$fld->name = $rs->fields[3];
454	$fld->type = $this->ODBCTypes($rs->fields[4]);
455
456	// ref: http://msdn.microsoft.com/library/default.asp?url=/archive/en-us/dnaraccgen/html/msdn_odk.asp
457	// access uses precision to store length for char/varchar
458	if ($fld->type == 'C' or $fld->type == 'X') {
459	if ($this->databaseType == 'access')
460	$fld->max_length = $rs->fields[6];
461	else if ($rs->fields[4] <= -95) // UNICODE
462	$fld->max_length = $rs->fields[7]/2;
463	else
464	$fld->max_length = $rs->fields[7];
465	} else
466	$fld->max_length = $rs->fields[7];
467	$fld->not_null = !empty($rs->fields[10]);
468	$fld->scale = $rs->fields[8];
469	$retarr[strtoupper($fld->name)] = $fld;
470	} else if (sizeof($retarr)>0)
471	break;
472	$rs->MoveNext();
473	}
474	$rs->Close(); //-- crashes 4.03pl1 -- why?
475
476	if (empty($retarr)) $retarr = false;
477	return $retarr;
478	}
479
480	function Prepare($sql)
481	{
482	if (! $this->_bindInputArray) return $sql; // no binding
483	$stmt = odbc_prepare($this->_connectionID,$sql);
484	if (!$stmt) {
485	// we don't know whether odbc driver is parsing prepared stmts, so just return sql
486	return $sql;
487	}
488	return array($sql,$stmt,false);
489	}
490
491	/* returns queryID or false */
492	function _query($sql,$inputarr=false)
493	{
494	GLOBAL $php_errormsg;
495	if (isset($php_errormsg)) $php_errormsg = '';
496	$this->_error = '';
497
498	if ($inputarr) {
499	if (is_array($sql)) {
500	$stmtid = $sql[1];
501	} else {
502	$stmtid = odbc_prepare($this->_connectionID,$sql);
503
504	if ($stmtid == false) {
505	$this->_errorMsg = isset($php_errormsg) ? $php_errormsg : '';
506	return false;
507	}
508	}
509
510	if (! odbc_execute($stmtid,$inputarr)) {
511	//@odbc_free_result($stmtid);
512	if ($this->_haserrorfunctions) {
513	$this->_errorMsg = odbc_errormsg();
514	$this->_errorCode = odbc_error();
515	}
516	return false;
517	}
518
519	} else if (is_array($sql)) {
520	$stmtid = $sql[1];
521	if (!odbc_execute($stmtid)) {
522	//@odbc_free_result($stmtid);
523	if ($this->_haserrorfunctions) {
524	$this->_errorMsg = odbc_errormsg();
525	$this->_errorCode = odbc_error();
526	}
527	return false;
528	}
529	} else
530	$stmtid = odbc_exec($this->_connectionID,$sql);
531
532	$this->_lastAffectedRows = 0;
533	if ($stmtid) {
534	if (@odbc_num_fields($stmtid) == 0) {
535	$this->_lastAffectedRows = odbc_num_rows($stmtid);
536	$stmtid = true;
537	} else {
538	$this->_lastAffectedRows = 0;
539	odbc_binmode($stmtid,$this->binmode);
540	odbc_longreadlen($stmtid,$this->maxblobsize);
541	}
542
543	if ($this->_haserrorfunctions) {
544	$this->_errorMsg = '';
545	$this->_errorCode = 0;
546	} else
547	$this->_errorMsg = isset($php_errormsg) ? $php_errormsg : '';
548	} else {
549	if ($this->_haserrorfunctions) {
550	$this->_errorMsg = odbc_errormsg();
551	$this->_errorCode = odbc_error();
552	} else
553	$this->_errorMsg = isset($php_errormsg) ? $php_errormsg : '';
554	}
555	return $stmtid;
556	}
557
558	/*
559	Insert a null into the blob field of the table first.
560	Then use UpdateBlob to store the blob.
561
562	Usage:
563
564	$conn->Execute('INSERT INTO blobtable (id, blobcol) VALUES (1, null)');
565	$conn->UpdateBlob('blobtable','blobcol',$blob,'id=1');
566	*/
567	function UpdateBlob($table,$column,$val,$where,$blobtype='BLOB')
568	{
569	return $this->Execute("UPDATE $table SET $column=? WHERE $where",array($val)) != false;
570	}
571
572	// returns true or false
573	function _close()
574	{
575	$ret = @odbc_close($this->_connectionID);
576	$this->_connectionID = false;
577	return $ret;
578	}
579
580	function _affectedrows()
581	{
582	return $this->_lastAffectedRows;
583	}
584
585	}
586
587	/*--------------------------------------------------------------------------------------
588	Class Name: Recordset
589	--------------------------------------------------------------------------------------*/
590
591	class ADORecordSet_odbc extends ADORecordSet {
592
593	var $bind = false;
594	var $databaseType = "odbc";
595	var $dataProvider = "odbc";
596	var $useFetchArray;
597	var $_has_stupid_odbc_fetch_api_change;
598
599	function ADORecordSet_odbc($id,$mode=false)
600	{
601	if ($mode === false) {
602	global $ADODB_FETCH_MODE;
603	$mode = $ADODB_FETCH_MODE;
604	}
605	$this->fetchMode = $mode;
606
607	$this->_queryID = $id;
608
609	// the following is required for mysql odbc driver in 4.3.1 -- why?
610	$this->EOF = false;
611	$this->_currentRow = -1;
612	//$this->ADORecordSet($id);
613	}
614
615
616	// returns the field object
617	function &FetchField($fieldOffset = -1)
618	{
619
620	$off=$fieldOffset+1; // offsets begin at 1
621
622	$o= new ADOFieldObject();
623	$o->name = @odbc_field_name($this->_queryID,$off);
624	$o->type = @odbc_field_type($this->_queryID,$off);
625	$o->max_length = @odbc_field_len($this->_queryID,$off);
626	if (ADODB_ASSOC_CASE == 0) $o->name = strtolower($o->name);
627	else if (ADODB_ASSOC_CASE == 1) $o->name = strtoupper($o->name);
628	return $o;
629	}
630
631	/* Use associative array to get fields array */
632	function Fields($colname)
633	{
634	if ($this->fetchMode & ADODB_FETCH_ASSOC) return $this->fields[$colname];
635	if (!$this->bind) {
636	$this->bind = array();
637	for ($i=0; $i < $this->_numOfFields; $i++) {
638	$o = $this->FetchField($i);
639	$this->bind[strtoupper($o->name)] = $i;
640	}
641	}
642
643	return $this->fields[$this->bind[strtoupper($colname)]];
644	}
645
646
647	function _initrs()
648	{
649	global $ADODB_COUNTRECS;
650	$this->_numOfRows = ($ADODB_COUNTRECS) ? @odbc_num_rows($this->_queryID) : -1;
651	$this->_numOfFields = @odbc_num_fields($this->_queryID);
652	// some silly drivers such as db2 as/400 and intersystems cache return _numOfRows = 0
653	if ($this->_numOfRows == 0) $this->_numOfRows = -1;
654	//$this->useFetchArray = $this->connection->useFetchArray;
655	$this->_has_stupid_odbc_fetch_api_change = ADODB_PHPVER >= 0x4200;
656	}
657
658	function _seek($row)
659	{
660	return false;
661	}
662
663	// speed up SelectLimit() by switching to ADODB_FETCH_NUM as ADODB_FETCH_ASSOC is emulated
664	function &GetArrayLimit($nrows,$offset=-1)
665	{
666	if ($offset <= 0) {
667	$rs =& $this->GetArray($nrows);
668	return $rs;
669	}
670	$savem = $this->fetchMode;
671	$this->fetchMode = ADODB_FETCH_NUM;
672	$this->Move($offset);
673	$this->fetchMode = $savem;
674
675	if ($this->fetchMode & ADODB_FETCH_ASSOC) {
676	$this->fields =& $this->GetRowAssoc(ADODB_ASSOC_CASE);
677	}
678
679	$results = array();
680	$cnt = 0;
681	while (!$this->EOF && $nrows != $cnt) {
682	$results[$cnt++] = $this->fields;
683	$this->MoveNext();
684	}
685
686	return $results;
687	}
688
689
690	function MoveNext()
691	{
692	if ($this->_numOfRows != 0 && !$this->EOF) {
693	$this->_currentRow++;
694
695	if ($this->_has_stupid_odbc_fetch_api_change)
696	$rez = @odbc_fetch_into($this->_queryID,$this->fields);
697	else {
698	$row = 0;
699	$rez = @odbc_fetch_into($this->_queryID,$row,$this->fields);
700	}
701	if ($rez) {
702	if ($this->fetchMode & ADODB_FETCH_ASSOC) {
703	$this->fields =& $this->GetRowAssoc(ADODB_ASSOC_CASE);
704	}
705	return true;
706	}
707	}
708	$this->fields = false;
709	$this->EOF = true;
710	return false;
711	}
712
713	function _fetch()
714	{
715
716	if ($this->_has_stupid_odbc_fetch_api_change)
717	$rez = @odbc_fetch_into($this->_queryID,$this->fields);
718	else {
719	$row = 0;
720	$rez = @odbc_fetch_into($this->_queryID,$row,$this->fields);
721	}
722	if ($rez) {
723	if ($this->fetchMode & ADODB_FETCH_ASSOC) {
724	$this->fields =& $this->GetRowAssoc(ADODB_ASSOC_CASE);
725	}
726	return true;
727	}
728	$this->fields = false;
729	return false;
730	}
731
732	function _close()
733	{
734	return @odbc_free_result($this->_queryID);
735	}
736
737	}
738	?>

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