[Summary view] [Print] [Text view]

   1  <?php
   2  /*
   3  @version   v5.20.3  01-Jan-2016
   4  @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
   5  @copyright (c) 2014      Damien Regad, Mark Newnham and the ADOdb community
   6    Released under both BSD license and Lesser GPL library license.
   7    Whenever there is any discrepancy between the two licenses,
   8    the BSD license will take precedence.
   9  Set tabs to 4 for best viewing.
  10  
  11    Latest version is available at http://adodb.sourceforge.net
  12  
  13    MSSQL support via ODBC. Requires ODBC. Works on Windows and Unix.
  14    For Unix configuration, see http://phpbuilder.com/columns/alberto20000919.php3
  15  */
  16  
  17  // security - hide paths
  18  if (!defined('ADODB_DIR')) die();
  19  
  20  if (!defined('_ADODB_ODBC_LAYER')) {
  21      include(ADODB_DIR."/drivers/adodb-odbc.inc.php");
  22  }
  23  
  24  
  25  class  ADODB_odbc_mssql extends ADODB_odbc {
  26      var $databaseType = 'odbc_mssql';
  27      var $fmtDate = "'Y-m-d'";
  28      var $fmtTimeStamp = "'Y-m-d\TH:i:s'";
  29      var $_bindInputArray = true;
  30      var $metaDatabasesSQL = "select name from sysdatabases where name <> 'master'";
  31      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'))";
  32      var $metaColumnsSQL = # xtype==61 is datetime
  33      "select c.name,t.name,c.length,c.isnullable, c.status,
  34          (case when c.xusertype=61 then 0 else c.xprec end),
  35          (case when c.xusertype=61 then 0 else c.xscale end)
  36          from syscolumns c join systypes t on t.xusertype=c.xusertype join sysobjects o on o.id=c.id where o.name='%s'";
  37      var $hasTop = 'top';        // support mssql/interbase SELECT TOP 10 * FROM TABLE
  38      var $sysDate = 'GetDate()';
  39      var $sysTimeStamp = 'GetDate()';
  40      var $leftOuter = '*=';
  41      var $rightOuter = '=*';
  42      var $substr = 'substring';
  43      var $length = 'len';
  44      var $ansiOuter = true; // for mssql7 or later
  45      var $identitySQL = 'select SCOPE_IDENTITY()'; // 'select SCOPE_IDENTITY'; # for mssql 2000
  46      var $hasInsertID = true;
  47      var $connectStmt = 'SET CONCAT_NULL_YIELDS_NULL OFF'; # When SET CONCAT_NULL_YIELDS_NULL is ON,
  48                                                            # concatenating a null value with a string yields a NULL result
  49  
  50  	function __construct()
  51      {
  52          parent::__construct();
  53          //$this->curmode = SQL_CUR_USE_ODBC;
  54      }
  55  
  56      // crashes php...
  57  	function ServerInfo()
  58      {
  59      global $ADODB_FETCH_MODE;
  60          $save = $ADODB_FETCH_MODE;
  61          $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
  62          $row = $this->GetRow("execute sp_server_info 2");
  63          $ADODB_FETCH_MODE = $save;
  64          if (!is_array($row)) return false;
  65          $arr['description'] = $row[2];
  66          $arr['version'] = ADOConnection::_findvers($arr['description']);
  67          return $arr;
  68      }
  69  
  70  	function IfNull( $field, $ifNull )
  71      {
  72          return " ISNULL($field, $ifNull) "; // if MS SQL Server
  73      }
  74  
  75  	function _insertid()
  76      {
  77      // SCOPE_IDENTITY()
  78      // Returns the last IDENTITY value inserted into an IDENTITY column in
  79      // the same scope. A scope is a module -- a stored procedure, trigger,
  80      // function, or batch. Thus, two statements are in the same scope if
  81      // they are in the same stored procedure, function, or batch.
  82              return $this->GetOne($this->identitySQL);
  83      }
  84  
  85  
  86  	function MetaForeignKeys($table, $owner=false, $upper=false)
  87      {
  88      global $ADODB_FETCH_MODE;
  89  
  90          $save = $ADODB_FETCH_MODE;
  91          $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
  92          $table = $this->qstr(strtoupper($table));
  93  
  94          $sql =
  95  "select object_name(constid) as constraint_name,
  96      col_name(fkeyid, fkey) as column_name,
  97      object_name(rkeyid) as referenced_table_name,
  98         col_name(rkeyid, rkey) as referenced_column_name
  99  from sysforeignkeys
 100  where upper(object_name(fkeyid)) = $table
 101  order by constraint_name, referenced_table_name, keyno";
 102  
 103          $constraints = $this->GetArray($sql);
 104  
 105          $ADODB_FETCH_MODE = $save;
 106  
 107          $arr = false;
 108          foreach($constraints as $constr) {
 109              //print_r($constr);
 110              $arr[$constr[0]][$constr[2]][] = $constr[1].'='.$constr[3];
 111          }
 112          if (!$arr) return false;
 113  
 114          $arr2 = false;
 115  
 116          foreach($arr as $k => $v) {
 117              foreach($v as $a => $b) {
 118                  if ($upper) $a = strtoupper($a);
 119                  $arr2[$a] = $b;
 120              }
 121          }
 122          return $arr2;
 123      }
 124  
 125  	function MetaTables($ttype=false,$showSchema=false,$mask=false)
 126      {
 127          if ($mask) {//$this->debug=1;
 128              $save = $this->metaTablesSQL;
 129              $mask = $this->qstr($mask);
 130              $this->metaTablesSQL .= " AND name like $mask";
 131          }
 132          $ret = ADOConnection::MetaTables($ttype,$showSchema);
 133  
 134          if ($mask) {
 135              $this->metaTablesSQL = $save;
 136          }
 137          return $ret;
 138      }
 139  
 140  	function MetaColumns($table, $normalize=true)
 141      {
 142  
 143          $this->_findschema($table,$schema);
 144          if ($schema) {
 145              $dbName = $this->database;
 146              $this->SelectDB($schema);
 147          }
 148          global $ADODB_FETCH_MODE;
 149          $save = $ADODB_FETCH_MODE;
 150          $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
 151  
 152          if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
 153          $rs = $this->Execute(sprintf($this->metaColumnsSQL,$table));
 154  
 155          if ($schema) {
 156              $this->SelectDB($dbName);
 157          }
 158  
 159          if (isset($savem)) $this->SetFetchMode($savem);
 160          $ADODB_FETCH_MODE = $save;
 161          if (!is_object($rs)) {
 162              $false = false;
 163              return $false;
 164          }
 165  
 166          $retarr = array();
 167          while (!$rs->EOF){
 168              $fld = new ADOFieldObject();
 169              $fld->name = $rs->fields[0];
 170              $fld->type = $rs->fields[1];
 171  
 172              $fld->not_null = (!$rs->fields[3]);
 173              $fld->auto_increment = ($rs->fields[4] == 128);        // sys.syscolumns status field. 0x80 = 128 ref: http://msdn.microsoft.com/en-us/library/ms186816.aspx
 174  
 175  
 176              if (isset($rs->fields[5]) && $rs->fields[5]) {
 177                  if ($rs->fields[5]>0) $fld->max_length = $rs->fields[5];
 178                  $fld->scale = $rs->fields[6];
 179                  if ($fld->scale>0) $fld->max_length += 1;
 180              } else
 181                  $fld->max_length = $rs->fields[2];
 182  
 183  
 184              if ($save == ADODB_FETCH_NUM) {
 185                  $retarr[] = $fld;
 186              } else {
 187                  $retarr[strtoupper($fld->name)] = $fld;
 188              }
 189                  $rs->MoveNext();
 190              }
 191  
 192              $rs->Close();
 193              return $retarr;
 194  
 195      }
 196  
 197  
 198  	function MetaIndexes($table,$primary=false, $owner=false)
 199      {
 200          $table = $this->qstr($table);
 201  
 202          $sql = "SELECT i.name AS ind_name, C.name AS col_name, USER_NAME(O.uid) AS Owner, c.colid, k.Keyno,
 203              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,
 204              CASE WHEN I.status & 2 = 2 THEN 1 ELSE 0 END AS IsUnique
 205              FROM dbo.sysobjects o INNER JOIN dbo.sysindexes I ON o.id = i.id
 206              INNER JOIN dbo.sysindexkeys K ON I.id = K.id AND I.Indid = K.Indid
 207              INNER JOIN dbo.syscolumns c ON K.id = C.id AND K.colid = C.Colid
 208              WHERE LEFT(i.name, 8) <> '_WA_Sys_' AND o.status >= 0 AND O.Name LIKE $table
 209              ORDER BY O.name, I.Name, K.keyno";
 210  
 211          global $ADODB_FETCH_MODE;
 212          $save = $ADODB_FETCH_MODE;
 213          $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
 214          if ($this->fetchMode !== FALSE) {
 215              $savem = $this->SetFetchMode(FALSE);
 216          }
 217  
 218          $rs = $this->Execute($sql);
 219          if (isset($savem)) {
 220              $this->SetFetchMode($savem);
 221          }
 222          $ADODB_FETCH_MODE = $save;
 223  
 224          if (!is_object($rs)) {
 225              return FALSE;
 226          }
 227  
 228          $indexes = array();
 229          while ($row = $rs->FetchRow()) {
 230              if (!$primary && $row[5]) continue;
 231  
 232              $indexes[$row[0]]['unique'] = $row[6];
 233              $indexes[$row[0]]['columns'][] = $row[1];
 234          }
 235          return $indexes;
 236      }
 237  
 238  	function _query($sql,$inputarr=false)
 239      {
 240          if (is_string($sql)) $sql = str_replace('||','+',$sql);
 241          return ADODB_odbc::_query($sql,$inputarr);
 242      }
 243  
 244  	function SetTransactionMode( $transaction_mode )
 245      {
 246          $this->_transmode  = $transaction_mode;
 247          if (empty($transaction_mode)) {
 248              $this->Execute('SET TRANSACTION ISOLATION LEVEL READ COMMITTED');
 249              return;
 250          }
 251          if (!stristr($transaction_mode,'isolation')) $transaction_mode = 'ISOLATION LEVEL '.$transaction_mode;
 252          $this->Execute("SET TRANSACTION ".$transaction_mode);
 253      }
 254  
 255      // "Stein-Aksel Basma" <basma@accelero.no>
 256      // tested with MSSQL 2000
 257  	function MetaPrimaryKeys($table, $owner = false)
 258      {
 259      global $ADODB_FETCH_MODE;
 260  
 261          $schema = '';
 262          $this->_findschema($table,$schema);
 263          //if (!$schema) $schema = $this->database;
 264          if ($schema) $schema = "and k.table_catalog like '$schema%'";
 265  
 266          $sql = "select distinct k.column_name,ordinal_position from information_schema.key_column_usage k,
 267          information_schema.table_constraints tc
 268          where tc.constraint_name = k.constraint_name and tc.constraint_type =
 269          'PRIMARY KEY' and k.table_name = '$table' $schema order by ordinal_position ";
 270  
 271          $savem = $ADODB_FETCH_MODE;
 272          $ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
 273          $a = $this->GetCol($sql);
 274          $ADODB_FETCH_MODE = $savem;
 275  
 276          if ($a && sizeof($a)>0) return $a;
 277          $false = false;
 278          return $false;
 279      }
 280  
 281  	function SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
 282      {
 283          if ($nrows > 0 && $offset <= 0) {
 284              $sql = preg_replace(
 285                  '/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql);
 286              $rs = $this->Execute($sql,$inputarr);
 287          } else
 288              $rs = ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
 289  
 290          return $rs;
 291      }
 292  
 293      // Format date column in sql string given an input format that understands Y M D
 294  	function SQLDate($fmt, $col=false)
 295      {
 296          if (!$col) $col = $this->sysTimeStamp;
 297          $s = '';
 298  
 299          $len = strlen($fmt);
 300          for ($i=0; $i < $len; $i++) {
 301              if ($s) $s .= '+';
 302              $ch = $fmt[$i];
 303              switch($ch) {
 304              case 'Y':
 305              case 'y':
 306                  $s .= "datename(yyyy,$col)";
 307                  break;
 308              case 'M':
 309                  $s .= "convert(char(3),$col,0)";
 310                  break;
 311              case 'm':
 312                  $s .= "replace(str(month($col),2),' ','0')";
 313                  break;
 314              case 'Q':
 315              case 'q':
 316                  $s .= "datename(quarter,$col)";
 317                  break;
 318              case 'D':
 319              case 'd':
 320                  $s .= "replace(str(day($col),2),' ','0')";
 321                  break;
 322              case 'h':
 323                  $s .= "substring(convert(char(14),$col,0),13,2)";
 324                  break;
 325  
 326              case 'H':
 327                  $s .= "replace(str(datepart(hh,$col),2),' ','0')";
 328                  break;
 329  
 330              case 'i':
 331                  $s .= "replace(str(datepart(mi,$col),2),' ','0')";
 332                  break;
 333              case 's':
 334                  $s .= "replace(str(datepart(ss,$col),2),' ','0')";
 335                  break;
 336              case 'a':
 337              case 'A':
 338                  $s .= "substring(convert(char(19),$col,0),18,2)";
 339                  break;
 340  
 341              default:
 342                  if ($ch == '\\') {
 343                      $i++;
 344                      $ch = substr($fmt,$i,1);
 345                  }
 346                  $s .= $this->qstr($ch);
 347                  break;
 348              }
 349          }
 350          return $s;
 351      }
 352  
 353  }
 354  
 355  class  ADORecordSet_odbc_mssql extends ADORecordSet_odbc {
 356  
 357      var $databaseType = 'odbc_mssql';
 358  
 359  	function __construct($id,$mode=false)
 360      {
 361          return parent::__construct($id,$mode);
 362      }
 363  }