3b57bc5a819bfd5825ee66e1ade92928d11cbda1
[Packages/TYPO3.CMS.git] / typo3 / sysext / adodb / adodb / drivers / adodb-odbc_mssql.inc.php
1 <?php
2 /*
3 V4.93 10 Oct 2006 (c) 2000-2006 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 MSSQL support via ODBC. Requires ODBC. Works on Windows and Unix.
12 For Unix configuration, see http://phpbuilder.com/columns/alberto20000919.php3
13 */
14
15 // security - hide paths
16 if (!defined('ADODB_DIR')) die();
17
18 if (!defined('_ADODB_ODBC_LAYER')) {
19 include(ADODB_DIR."/drivers/adodb-odbc.inc.php");
20 }
21
22
23 class ADODB_odbc_mssql extends ADODB_odbc {
24 var $databaseType = 'odbc_mssql';
25 var $fmtDate = "'Y-m-d'";
26 var $fmtTimeStamp = "'Y-m-d H:i:s'";
27 var $_bindInputArray = true;
28 var $metaTablesSQL="select name,case when type='U' then 'T' else 'V' end from sysobjects where (type='U' or type='V') and (name not in ('sysallocations','syscolumns','syscomments','sysdepends','sysfilegroups','sysfiles','sysfiles1','sysforeignkeys','sysfulltextcatalogs','sysindexes','sysindexkeys','sysmembers','sysobjects','syspermissions','sysprotects','sysreferences','systypes','sysusers','sysalternates','sysconstraints','syssegments','REFERENTIAL_CONSTRAINTS','CHECK_CONSTRAINTS','CONSTRAINT_TABLE_USAGE','CONSTRAINT_COLUMN_USAGE','VIEWS','VIEW_TABLE_USAGE','VIEW_COLUMN_USAGE','SCHEMATA','TABLES','TABLE_CONSTRAINTS','TABLE_PRIVILEGES','COLUMNS','COLUMN_DOMAIN_USAGE','COLUMN_PRIVILEGES','DOMAINS','DOMAIN_CONSTRAINTS','KEY_COLUMN_USAGE'))";
29 var $metaColumnsSQL = "select c.name,t.name,c.length from syscolumns c join systypes t on t.xusertype=c.xusertype join sysobjects o on o.id=c.id where o.name='%s'";
30 var $hasTop = 'top'; // support mssql/interbase SELECT TOP 10 * FROM TABLE
31 var $sysDate = 'GetDate()';
32 var $sysTimeStamp = 'GetDate()';
33 var $leftOuter = '*=';
34 var $rightOuter = '=*';
35 var $substr = 'substring';
36 var $length = 'len';
37 var $ansiOuter = true; // for mssql7 or later
38 var $identitySQL = 'select @@IDENTITY'; // 'select SCOPE_IDENTITY'; # for mssql 2000
39 var $hasInsertID = true;
40 var $connectStmt = 'SET CONCAT_NULL_YIELDS_NULL OFF'; # When SET CONCAT_NULL_YIELDS_NULL is ON,
41 # concatenating a null value with a string yields a NULL result
42
43 function ADODB_odbc_mssql()
44 {
45 $this->ADODB_odbc();
46 //$this->curmode = SQL_CUR_USE_ODBC;
47 }
48
49 // crashes php...
50 function ServerInfo()
51 {
52 global $ADODB_FETCH_MODE;
53 $save = $ADODB_FETCH_MODE;
54 $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
55 $row = $this->GetRow("execute sp_server_info 2");
56 $ADODB_FETCH_MODE = $save;
57 if (!is_array($row)) return false;
58 $arr['description'] = $row[2];
59 $arr['version'] = ADOConnection::_findvers($arr['description']);
60 return $arr;
61 }
62
63 function IfNull( $field, $ifNull )
64 {
65 return " ISNULL($field, $ifNull) "; // if MS SQL Server
66 }
67
68 function _insertid()
69 {
70 // SCOPE_IDENTITY()
71 // Returns the last IDENTITY value inserted into an IDENTITY column in
72 // the same scope. A scope is a module -- a stored procedure, trigger,
73 // function, or batch. Thus, two statements are in the same scope if
74 // they are in the same stored procedure, function, or batch.
75 return $this->GetOne($this->identitySQL);
76 }
77
78
79 function MetaForeignKeys($table, $owner=false, $upper=false)
80 {
81 global $ADODB_FETCH_MODE;
82
83 $save = $ADODB_FETCH_MODE;
84 $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
85 $table = $this->qstr(strtoupper($table));
86
87 $sql =
88 "select object_name(constid) as constraint_name,
89 col_name(fkeyid, fkey) as column_name,
90 object_name(rkeyid) as referenced_table_name,
91 col_name(rkeyid, rkey) as referenced_column_name
92 from sysforeignkeys
93 where upper(object_name(fkeyid)) = $table
94 order by constraint_name, referenced_table_name, keyno";
95
96 $constraints =& $this->GetArray($sql);
97
98 $ADODB_FETCH_MODE = $save;
99
100 $arr = false;
101 foreach($constraints as $constr) {
102 //print_r($constr);
103 $arr[$constr[0]][$constr[2]][] = $constr[1].'='.$constr[3];
104 }
105 if (!$arr) return false;
106
107 $arr2 = false;
108
109 foreach($arr as $k => $v) {
110 foreach($v as $a => $b) {
111 if ($upper) $a = strtoupper($a);
112 $arr2[$a] = $b;
113 }
114 }
115 return $arr2;
116 }
117
118 function &MetaTables($ttype=false,$showSchema=false,$mask=false)
119 {
120 if ($mask) {$this->debug=1;
121 $save = $this->metaTablesSQL;
122 $mask = $this->qstr($mask);
123 $this->metaTablesSQL .= " AND name like $mask";
124 }
125 $ret =& ADOConnection::MetaTables($ttype,$showSchema);
126
127 if ($mask) {
128 $this->metaTablesSQL = $save;
129 }
130 return $ret;
131 }
132
133 function &MetaColumns($table)
134 {
135 $arr = ADOConnection::MetaColumns($table);
136 return $arr;
137 }
138
139
140 function &MetaIndexes($table,$primary=false)
141 {
142 $table = $this->qstr($table);
143
144 $sql = "SELECT i.name AS ind_name, C.name AS col_name, USER_NAME(O.uid) AS Owner, c.colid, k.Keyno,
145 CASE WHEN I.indid BETWEEN 1 AND 254 AND (I.status & 2048 = 2048 OR I.Status = 16402 AND O.XType = 'V') THEN 1 ELSE 0 END AS IsPK,
146 CASE WHEN I.status & 2 = 2 THEN 1 ELSE 0 END AS IsUnique
147 FROM dbo.sysobjects o INNER JOIN dbo.sysindexes I ON o.id = i.id
148 INNER JOIN dbo.sysindexkeys K ON I.id = K.id AND I.Indid = K.Indid
149 INNER JOIN dbo.syscolumns c ON K.id = C.id AND K.colid = C.Colid
150 WHERE LEFT(i.name, 8) <> '_WA_Sys_' AND o.status >= 0 AND O.Name LIKE $table
151 ORDER BY O.name, I.Name, K.keyno";
152
153 global $ADODB_FETCH_MODE;
154 $save = $ADODB_FETCH_MODE;
155 $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
156 if ($this->fetchMode !== FALSE) {
157 $savem = $this->SetFetchMode(FALSE);
158 }
159
160 $rs = $this->Execute($sql);
161 if (isset($savem)) {
162 $this->SetFetchMode($savem);
163 }
164 $ADODB_FETCH_MODE = $save;
165
166 if (!is_object($rs)) {
167 return FALSE;
168 }
169
170 $indexes = array();
171 while ($row = $rs->FetchRow()) {
172 if (!$primary && $row[5]) continue;
173
174 $indexes[$row[0]]['unique'] = $row[6];
175 $indexes[$row[0]]['columns'][] = $row[1];
176 }
177 return $indexes;
178 }
179
180 function _query($sql,$inputarr)
181 {
182 if (is_string($sql)) $sql = str_replace('||','+',$sql);
183 return ADODB_odbc::_query($sql,$inputarr);
184 }
185
186 function SetTransactionMode( $transaction_mode )
187 {
188 $this->_transmode = $transaction_mode;
189 if (empty($transaction_mode)) {
190 $this->Execute('SET TRANSACTION ISOLATION LEVEL READ COMMITTED');
191 return;
192 }
193 if (!stristr($transaction_mode,'isolation')) $transaction_mode = 'ISOLATION LEVEL '.$transaction_mode;
194 $this->Execute("SET TRANSACTION ".$transaction_mode);
195 }
196
197 // "Stein-Aksel Basma" <basma@accelero.no>
198 // tested with MSSQL 2000
199 function &MetaPrimaryKeys($table)
200 {
201 global $ADODB_FETCH_MODE;
202
203 $schema = '';
204 $this->_findschema($table,$schema);
205 //if (!$schema) $schema = $this->database;
206 if ($schema) $schema = "and k.table_catalog like '$schema%'";
207
208 $sql = "select distinct k.column_name,ordinal_position from information_schema.key_column_usage k,
209 information_schema.table_constraints tc
210 where tc.constraint_name = k.constraint_name and tc.constraint_type =
211 'PRIMARY KEY' and k.table_name = '$table' $schema order by ordinal_position ";
212
213 $savem = $ADODB_FETCH_MODE;
214 $ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
215 $a = $this->GetCol($sql);
216 $ADODB_FETCH_MODE = $savem;
217
218 if ($a && sizeof($a)>0) return $a;
219 $false = false;
220 return $false;
221 }
222
223 function &SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
224 {
225 if ($nrows > 0 && $offset <= 0) {
226 $sql = preg_replace(
227 '/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql);
228 $rs =& $this->Execute($sql,$inputarr);
229 } else
230 $rs =& ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
231
232 return $rs;
233 }
234
235 // Format date column in sql string given an input format that understands Y M D
236 function SQLDate($fmt, $col=false)
237 {
238 if (!$col) $col = $this->sysTimeStamp;
239 $s = '';
240
241 $len = strlen($fmt);
242 for ($i=0; $i < $len; $i++) {
243 if ($s) $s .= '+';
244 $ch = $fmt[$i];
245 switch($ch) {
246 case 'Y':
247 case 'y':
248 $s .= "datename(yyyy,$col)";
249 break;
250 case 'M':
251 $s .= "convert(char(3),$col,0)";
252 break;
253 case 'm':
254 $s .= "replace(str(month($col),2),' ','0')";
255 break;
256 case 'Q':
257 case 'q':
258 $s .= "datename(quarter,$col)";
259 break;
260 case 'D':
261 case 'd':
262 $s .= "replace(str(day($col),2),' ','0')";
263 break;
264 case 'h':
265 $s .= "substring(convert(char(14),$col,0),13,2)";
266 break;
267
268 case 'H':
269 $s .= "replace(str(datepart(hh,$col),2),' ','0')";
270 break;
271
272 case 'i':
273 $s .= "replace(str(datepart(mi,$col),2),' ','0')";
274 break;
275 case 's':
276 $s .= "replace(str(datepart(ss,$col),2),' ','0')";
277 break;
278 case 'a':
279 case 'A':
280 $s .= "substring(convert(char(19),$col,0),18,2)";
281 break;
282
283 default:
284 if ($ch == '\\') {
285 $i++;
286 $ch = substr($fmt,$i,1);
287 }
288 $s .= $this->qstr($ch);
289 break;
290 }
291 }
292 return $s;
293 }
294
295 }
296
297 class ADORecordSet_odbc_mssql extends ADORecordSet_odbc {
298
299 var $databaseType = 'odbc_mssql';
300
301 function ADORecordSet_odbc_mssql($id,$mode=false)
302 {
303 return $this->ADORecordSet_odbc($id,$mode);
304 }
305 }
306 ?>