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adodb-odbc_mssql.inc.php
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1 <?php
2 /*
3 V5.19 23-Apr-2014 (c) 2000-2014 John Lim (jlim#natsoft.com). 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\TH:i:s'";
27  var $_bindInputArray = true;
28  var $metaDatabasesSQL = "select name from sysdatabases where name <> 'master'";
29  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'))";
30  var $metaColumnsSQL = # xtype==61 is datetime
31  "select c.name,t.name,c.length,c.isnullable, c.status,
32  (case when c.xusertype=61 then 0 else c.xprec end),
33  (case when c.xusertype=61 then 0 else c.xscale end)
34  from syscolumns c join systypes t on t.xusertype=c.xusertype join sysobjects o on o.id=c.id where o.name='%s'";
35  var $hasTop = 'top'; // support mssql/interbase SELECT TOP 10 * FROM TABLE
36  var $sysDate = 'GetDate()';
37  var $sysTimeStamp = 'GetDate()';
38  var $leftOuter = '*=';
39  var $rightOuter = '=*';
40  var $substr = 'substring';
41  var $length = 'len';
42  var $ansiOuter = true; // for mssql7 or later
43  var $identitySQL = 'select SCOPE_IDENTITY()'; // 'select SCOPE_IDENTITY'; # for mssql 2000
44  var $hasInsertID = true;
45  var $connectStmt = 'SET CONCAT_NULL_YIELDS_NULL OFF'; # When SET CONCAT_NULL_YIELDS_NULL is ON,
46  # concatenating a null value with a string yields a NULL result
47 
48  function ADODB_odbc_mssql()
49  {
50  $this->ADODB_odbc();
51  //$this->curmode = SQL_CUR_USE_ODBC;
52  }
53 
54  // crashes php...
55  function ServerInfo()
56  {
57  global $ADODB_FETCH_MODE;
58  $save = $ADODB_FETCH_MODE;
59  $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
60  $row = $this->GetRow("execute sp_server_info 2");
61  $ADODB_FETCH_MODE = $save;
62  if (!is_array($row)) return false;
63  $arr['description'] = $row[2];
64  $arr['version'] = ADOConnection::_findvers($arr['description']);
65  return $arr;
66  }
67 
68  function IfNull( $field, $ifNull )
69  {
70  return " ISNULL($field, $ifNull) "; // if MS SQL Server
71  }
72 
73  function _insertid()
74  {
75  // SCOPE_IDENTITY()
76  // Returns the last IDENTITY value inserted into an IDENTITY column in
77  // the same scope. A scope is a module -- a stored procedure, trigger,
78  // function, or batch. Thus, two statements are in the same scope if
79  // they are in the same stored procedure, function, or batch.
80  return $this->GetOne($this->identitySQL);
81  }
82 
83 
84  function MetaForeignKeys($table, $owner=false, $upper=false)
85  {
86  global $ADODB_FETCH_MODE;
87 
88  $save = $ADODB_FETCH_MODE;
89  $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
90  $table = $this->qstr(strtoupper($table));
91 
92  $sql =
93 "select object_name(constid) as constraint_name,
94  col_name(fkeyid, fkey) as column_name,
95  object_name(rkeyid) as referenced_table_name,
96  col_name(rkeyid, rkey) as referenced_column_name
97 from sysforeignkeys
98 where upper(object_name(fkeyid)) = $table
99 order by constraint_name, referenced_table_name, keyno";
100 
101  $constraints = $this->GetArray($sql);
102 
103  $ADODB_FETCH_MODE = $save;
104 
105  $arr = false;
106  foreach($constraints as $constr) {
107  //print_r($constr);
108  $arr[$constr[0]][$constr[2]][] = $constr[1].'='.$constr[3];
109  }
110  if (!$arr) return false;
111 
112  $arr2 = false;
113 
114  foreach($arr as $k => $v) {
115  foreach($v as $a => $b) {
116  if ($upper) $a = strtoupper($a);
117  $arr2[$a] = $b;
118  }
119  }
120  return $arr2;
121  }
122 
123  function MetaTables($ttype=false,$showSchema=false,$mask=false)
124  {
125  if ($mask) {//$this->debug=1;
126  $save = $this->metaTablesSQL;
127  $mask = $this->qstr($mask);
128  $this->metaTablesSQL .= " AND name like $mask";
129  }
130  $ret = ADOConnection::MetaTables($ttype,$showSchema);
131 
132  if ($mask) {
133  $this->metaTablesSQL = $save;
134  }
135  return $ret;
136  }
137 
138  function MetaColumns($table, $normalize=true)
139  {
140 
141  $this->_findschema($table,$schema);
142  if ($schema) {
143  $dbName = $this->database;
144  $this->SelectDB($schema);
145  }
146  global $ADODB_FETCH_MODE;
147  $save = $ADODB_FETCH_MODE;
148  $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
149 
150  if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
151  $rs = $this->Execute(sprintf($this->metaColumnsSQL,$table));
152 
153  if ($schema) {
154  $this->SelectDB($dbName);
155  }
156 
157  if (isset($savem)) $this->SetFetchMode($savem);
158  $ADODB_FETCH_MODE = $save;
159  if (!is_object($rs)) {
160  $false = false;
161  return $false;
162  }
163 
164  $retarr = array();
165  while (!$rs->EOF){
166  $fld = new ADOFieldObject();
167  $fld->name = $rs->fields[0];
168  $fld->type = $rs->fields[1];
169 
170  $fld->not_null = (!$rs->fields[3]);
171  $fld->auto_increment = ($rs->fields[4] == 128); // sys.syscolumns status field. 0x80 = 128 ref: http://msdn.microsoft.com/en-us/library/ms186816.aspx
172 
173 
174  if (isset($rs->fields[5]) && $rs->fields[5]) {
175  if ($rs->fields[5]>0) $fld->max_length = $rs->fields[5];
176  $fld->scale = $rs->fields[6];
177  if ($fld->scale>0) $fld->max_length += 1;
178  } else
179  $fld->max_length = $rs->fields[2];
180 
181 
182  if ($save == ADODB_FETCH_NUM) {
183  $retarr[] = $fld;
184  } else {
185  $retarr[strtoupper($fld->name)] = $fld;
186  }
187  $rs->MoveNext();
188  }
189 
190  $rs->Close();
191  return $retarr;
192 
193  }
194 
195 
196  function MetaIndexes($table,$primary=false, $owner=false)
197  {
198  $table = $this->qstr($table);
199 
200  $sql = "SELECT i.name AS ind_name, C.name AS col_name, USER_NAME(O.uid) AS Owner, c.colid, k.Keyno,
201  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,
202  CASE WHEN I.status & 2 = 2 THEN 1 ELSE 0 END AS IsUnique
203  FROM dbo.sysobjects o INNER JOIN dbo.sysindexes I ON o.id = i.id
204  INNER JOIN dbo.sysindexkeys K ON I.id = K.id AND I.Indid = K.Indid
205  INNER JOIN dbo.syscolumns c ON K.id = C.id AND K.colid = C.Colid
206  WHERE LEFT(i.name, 8) <> '_WA_Sys_' AND o.status >= 0 AND O.Name LIKE $table
207  ORDER BY O.name, I.Name, K.keyno";
208 
209  global $ADODB_FETCH_MODE;
210  $save = $ADODB_FETCH_MODE;
211  $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
212  if ($this->fetchMode !== FALSE) {
213  $savem = $this->SetFetchMode(FALSE);
214  }
215 
216  $rs = $this->Execute($sql);
217  if (isset($savem)) {
218  $this->SetFetchMode($savem);
219  }
220  $ADODB_FETCH_MODE = $save;
221 
222  if (!is_object($rs)) {
223  return FALSE;
224  }
225 
226  $indexes = array();
227  while ($row = $rs->FetchRow()) {
228  if (!$primary && $row[5]) continue;
229 
230  $indexes[$row[0]]['unique'] = $row[6];
231  $indexes[$row[0]]['columns'][] = $row[1];
232  }
233  return $indexes;
234  }
235 
236  function _query($sql,$inputarr=false)
237  {
238  if (is_string($sql)) $sql = str_replace('||','+',$sql);
239  return ADODB_odbc::_query($sql,$inputarr);
240  }
241 
242  function SetTransactionMode( $transaction_mode )
243  {
244  $this->_transmode = $transaction_mode;
245  if (empty($transaction_mode)) {
246  $this->Execute('SET TRANSACTION ISOLATION LEVEL READ COMMITTED');
247  return;
248  }
249  if (!stristr($transaction_mode,'isolation')) $transaction_mode = 'ISOLATION LEVEL '.$transaction_mode;
250  $this->Execute("SET TRANSACTION ".$transaction_mode);
251  }
252 
253  // "Stein-Aksel Basma" <basma@accelero.no>
254  // tested with MSSQL 2000
255  function MetaPrimaryKeys($table)
256  {
257  global $ADODB_FETCH_MODE;
258 
259  $schema = '';
260  $this->_findschema($table,$schema);
261  //if (!$schema) $schema = $this->database;
262  if ($schema) $schema = "and k.table_catalog like '$schema%'";
263 
264  $sql = "select distinct k.column_name,ordinal_position from information_schema.key_column_usage k,
265  information_schema.table_constraints tc
266  where tc.constraint_name = k.constraint_name and tc.constraint_type =
267  'PRIMARY KEY' and k.table_name = '$table' $schema order by ordinal_position ";
268 
269  $savem = $ADODB_FETCH_MODE;
270  $ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
271  $a = $this->GetCol($sql);
272  $ADODB_FETCH_MODE = $savem;
273 
274  if ($a && sizeof($a)>0) return $a;
275  $false = false;
276  return $false;
277  }
278 
279  function SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
280  {
281  if ($nrows > 0 && $offset <= 0) {
282  $sql = preg_replace(
283  '/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql);
284  $rs = $this->Execute($sql,$inputarr);
285  } else
286  $rs = ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
287 
288  return $rs;
289  }
290 
291  // Format date column in sql string given an input format that understands Y M D
292  function SQLDate($fmt, $col=false)
293  {
294  if (!$col) $col = $this->sysTimeStamp;
295  $s = '';
296 
297  $len = strlen($fmt);
298  for ($i=0; $i < $len; $i++) {
299  if ($s) $s .= '+';
300  $ch = $fmt[$i];
301  switch($ch) {
302  case 'Y':
303  case 'y':
304  $s .= "datename(yyyy,$col)";
305  break;
306  case 'M':
307  $s .= "convert(char(3),$col,0)";
308  break;
309  case 'm':
310  $s .= "replace(str(month($col),2),' ','0')";
311  break;
312  case 'Q':
313  case 'q':
314  $s .= "datename(quarter,$col)";
315  break;
316  case 'D':
317  case 'd':
318  $s .= "replace(str(day($col),2),' ','0')";
319  break;
320  case 'h':
321  $s .= "substring(convert(char(14),$col,0),13,2)";
322  break;
323 
324  case 'H':
325  $s .= "replace(str(datepart(hh,$col),2),' ','0')";
326  break;
327 
328  case 'i':
329  $s .= "replace(str(datepart(mi,$col),2),' ','0')";
330  break;
331  case 's':
332  $s .= "replace(str(datepart(ss,$col),2),' ','0')";
333  break;
334  case 'a':
335  case 'A':
336  $s .= "substring(convert(char(19),$col,0),18,2)";
337  break;
338 
339  default:
340  if ($ch == '\\') {
341  $i++;
342  $ch = substr($fmt,$i,1);
343  }
344  $s .= $this->qstr($ch);
345  break;
346  }
347  }
348  return $s;
349  }
350 
351 }
352 
353 class ADORecordSet_odbc_mssql extends ADORecordSet_odbc {
354 
355  var $databaseType = 'odbc_mssql';
356 
357  function ADORecordSet_odbc_mssql($id,$mode=false)
358  {
359  return $this->ADORecordSet_odbc($id,$mode);
360  }
361 }
ADODB_odbc_mssql\$metaColumnsSQL
$metaColumnsSQL
Definition: adodb-odbc_mssql.inc.php:30
ADODB_odbc\ADODB_odbc
ADODB_odbc()
Definition: adodb-odbc.inc.php:42
ADODB_odbc_mssql\$connectStmt
$connectStmt
Definition: adodb-odbc_mssql.inc.php:45
ADODB_odbc_mssql\$sysDate
$sysDate
Definition: adodb-odbc_mssql.inc.php:36
ADODB_odbc_mssql\$fmtDate
$fmtDate
Definition: adodb-odbc_mssql.inc.php:25
$sql
$sql
Definition: server.php:82
ADODB_odbc_mssql\$ansiOuter
$ansiOuter
Definition: adodb-odbc_mssql.inc.php:42
ADODB_odbc_mssql\$_bindInputArray
$_bindInputArray
Definition: adodb-odbc_mssql.inc.php:27
ADORecordSet_odbc
Definition: adodb-odbc.inc.php:601
ADORecordSet_odbc_mssql
Definition: adodb-odbc_mssql.inc.php:353
ADODB_odbc_mssql\$metaTablesSQL
$metaTablesSQL
Definition: adodb-odbc_mssql.inc.php:29
ADODB_odbc_mssql\ServerInfo
ServerInfo()
Definition: adodb-odbc_mssql.inc.php:55
$rs
if(isset($_REQUEST['nrows'])) else $rs
Definition: server.php:92
ADODB_odbc_mssql\$hasInsertID
$hasInsertID
Definition: adodb-odbc_mssql.inc.php:44
ADODB_odbc_mssql\MetaPrimaryKeys
MetaPrimaryKeys($table)
Definition: adodb-odbc_mssql.inc.php:255
ADODB_odbc_mssql\MetaIndexes
MetaIndexes($table, $primary=false, $owner=false)
Definition: adodb-odbc_mssql.inc.php:196
ADODB_odbc_mssql\$length
$length
Definition: adodb-odbc_mssql.inc.php:41
ADODB_odbc_mssql\SQLDate
SQLDate($fmt, $col=false)
Definition: adodb-odbc_mssql.inc.php:292
ADODB_odbc_mssql\ADODB_odbc_mssql
ADODB_odbc_mssql()
Definition: adodb-odbc_mssql.inc.php:48
die
die
Definition: index.php:6
ADODB_odbc_mssql\IfNull
IfNull( $field, $ifNull)
Definition: adodb-odbc_mssql.inc.php:68
ADORecordSet_odbc_mssql\ADORecordSet_odbc_mssql
ADORecordSet_odbc_mssql($id, $mode=false)
Definition: adodb-odbc_mssql.inc.php:357
ADODB_odbc_mssql\$identitySQL
$identitySQL
Definition: adodb-odbc_mssql.inc.php:43
ADODB_odbc_mssql
Definition: adodb-odbc_mssql.inc.php:23
ADODB_odbc_mssql\MetaForeignKeys
MetaForeignKeys($table, $owner=false, $upper=false)
Definition: adodb-odbc_mssql.inc.php:84
ADODB_odbc_mssql\SetTransactionMode
SetTransactionMode( $transaction_mode)
Definition: adodb-odbc_mssql.inc.php:242
ADODB_odbc_mssql\$metaDatabasesSQL
$metaDatabasesSQL
Definition: adodb-odbc_mssql.inc.php:28
ADODB_odbc_mssql\$hasTop
$hasTop
Definition: adodb-odbc_mssql.inc.php:35
ADODB_odbc_mssql\$fmtTimeStamp
$fmtTimeStamp
Definition: adodb-odbc_mssql.inc.php:26
ADODB_odbc\_query
_query($sql, $inputarr=false)
Definition: adodb-odbc.inc.php:502
ADODB_odbc_mssql\$substr
$substr
Definition: adodb-odbc_mssql.inc.php:40
$database
$database
Definition: server.php:38
ADODB_odbc_mssql\$sysTimeStamp
$sysTimeStamp
Definition: adodb-odbc_mssql.inc.php:37
ADODB_odbc_mssql\SelectLimit
SelectLimit($sql, $nrows=-1, $offset=-1, $inputarr=false, $secs2cache=0)
Definition: adodb-odbc_mssql.inc.php:279
ADODB_odbc_mssql\_insertid
_insertid()
Definition: adodb-odbc_mssql.inc.php:73
ADODB_odbc_mssql\$rightOuter
$rightOuter
Definition: adodb-odbc_mssql.inc.php:39
ADODB_odbc_mssql\$databaseType
$databaseType
Definition: adodb-odbc_mssql.inc.php:24
ADODB_odbc_mssql\_query
_query($sql, $inputarr=false)
Definition: adodb-odbc_mssql.inc.php:236
ADODB_odbc_mssql\MetaColumns
MetaColumns($table, $normalize=true)
Definition: adodb-odbc_mssql.inc.php:138
ADODB_odbc_mssql\$leftOuter
$leftOuter
Definition: adodb-odbc_mssql.inc.php:38
ADODB_odbc_mssql\MetaTables
MetaTables($ttype=false, $showSchema=false, $mask=false)
Definition: adodb-odbc_mssql.inc.php:123
ADODB_odbc
Definition: adodb-odbc.inc.php:22