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Source: /admin/includes/php/adodb/drivers/adodb-odbtp.inc.php - 743 lines - 21007 bytes - Summary - Text - Print

   1  <?php
   2  /*
   3    V4.98 13 Feb 2008  (c) 2000-2008 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. See License.txt.
   7    Set tabs to 4 for best viewing.
   8    Latest version is available at http://adodb.sourceforge.net
   9  */
  10  // Code contributed by "stefan bogdan" <sbogdan#rsb.ro>
  11  
  12  // security - hide paths
  13  if (!defined('ADODB_DIR')) die();
  14  
  15  define("_ADODB_ODBTP_LAYER", 2 );
  16  
  17  class ADODB_odbtp extends ADOConnection{
  18      var $databaseType = "odbtp";
  19      var $dataProvider = "odbtp";
  20      var $fmtDate = "'Y-m-d'";
  21      var $fmtTimeStamp = "'Y-m-d, h:i:sA'";
  22      var $replaceQuote = "''"; // string to use to replace quotes
  23      var $odbc_driver = 0;
  24      var $hasAffectedRows = true;
  25      var $hasInsertID = false;
  26      var $hasGenID = true;
  27      var $hasMoveFirst = true;
  28  
  29      var $_genSeqSQL = "create table %s (seq_name char(30) not null unique , seq_value integer not null)";
  30      var $_dropSeqSQL = "delete from adodb_seq where seq_name = '%s'";
  31      var $_bindInputArray = false;
  32      var $_useUnicodeSQL = false;
  33      var $_canPrepareSP = false;
  34      var $_dontPoolDBC = true;
  35  
  36  	function ADODB_odbtp()
  37      {
  38      }
  39  
  40  	function ServerInfo()
  41      {
  42          return array('description' => @odbtp_get_attr( ODB_ATTR_DBMSNAME, $this->_connectionID),
  43                       'version' => @odbtp_get_attr( ODB_ATTR_DBMSVER, $this->_connectionID));
  44      }
  45  
  46  	function ErrorMsg()
  47      {
  48          if (empty($this->_connectionID)) return @odbtp_last_error();
  49          return @odbtp_last_error($this->_connectionID);
  50      }
  51  
  52  	function ErrorNo()
  53      {
  54          if (empty($this->_connectionID)) return @odbtp_last_error_state();
  55              return @odbtp_last_error_state($this->_connectionID);
  56      }
  57  
  58  	function _insertid()
  59      {
  60      // SCOPE_IDENTITY()
  61      // Returns the last IDENTITY value inserted into an IDENTITY column in
  62      // the same scope. A scope is a module -- a stored procedure, trigger,
  63      // function, or batch. Thus, two statements are in the same scope if
  64      // they are in the same stored procedure, function, or batch.
  65              return $this->GetOne($this->identitySQL);
  66      }
  67  
  68  	function _affectedrows()
  69      {
  70          if ($this->_queryID) {
  71              return @odbtp_affected_rows ($this->_queryID);
  72         } else
  73          return 0;
  74      }
  75  
  76  	function CreateSequence($seqname='adodbseq',$start=1)
  77      {
  78          //verify existence
  79          $num = $this->GetOne("select seq_value from adodb_seq");
  80          $seqtab='adodb_seq';
  81          if( $this->odbc_driver == ODB_DRIVER_FOXPRO ) {
  82              $path = @odbtp_get_attr( ODB_ATTR_DATABASENAME, $this->_connectionID );
  83              //if using vfp dbc file
  84              if( !strcasecmp(strrchr($path, '.'), '.dbc') )
  85                  $path = substr($path,0,strrpos($path,'\/'));
  86                 $seqtab = $path . '/' . $seqtab;
  87          }
  88          if($num == false) {
  89              if (empty($this->_genSeqSQL)) return false;
  90              $ok = $this->Execute(sprintf($this->_genSeqSQL ,$seqtab));
  91          }
  92          $num = $this->GetOne("select seq_value from adodb_seq where seq_name='$seqname'");
  93          if ($num) {
  94              return false;
  95          }
  96          $start -= 1;
  97          return $this->Execute("insert into adodb_seq values('$seqname',$start)");
  98      }
  99  
 100  	function DropSequence($seqname)
 101      {
 102          if (empty($this->_dropSeqSQL)) return false;
 103          return $this->Execute(sprintf($this->_dropSeqSQL,$seqname));
 104      }
 105  
 106  	function GenID($seq='adodbseq',$start=1)
 107      {
 108          $seqtab='adodb_seq';
 109          if( $this->odbc_driver == ODB_DRIVER_FOXPRO) {
 110              $path = @odbtp_get_attr( ODB_ATTR_DATABASENAME, $this->_connectionID );
 111              //if using vfp dbc file
 112              if( !strcasecmp(strrchr($path, '.'), '.dbc') )
 113                  $path = substr($path,0,strrpos($path,'\/'));
 114                 $seqtab = $path . '/' . $seqtab;
 115          }
 116          $MAXLOOPS = 100;
 117          while (--$MAXLOOPS>=0) {
 118              $num = $this->GetOne("select seq_value from adodb_seq where seq_name='$seq'");
 119              if ($num === false) {
 120                  //verify if abodb_seq table exist
 121                  $ok = $this->GetOne("select seq_value from adodb_seq ");
 122                  if(!$ok) {
 123                      //creating the sequence table adodb_seq
 124                      $this->Execute(sprintf($this->_genSeqSQL ,$seqtab));
 125                  }
 126                  $start -= 1;
 127                  $num = '0';
 128                  $ok = $this->Execute("insert into adodb_seq values('$seq',$start)");
 129                  if (!$ok) return false;
 130              }
 131              $ok = $this->Execute("update adodb_seq set seq_value=seq_value+1 where seq_name='$seq'");
 132              if($ok) {
 133                  $num += 1;
 134                  $this->genID = $num;
 135                  return $num;
 136              }
 137          }
 138      if ($fn = $this->raiseErrorFn) {
 139          $fn($this->databaseType,'GENID',-32000,"Unable to generate unique id after $MAXLOOPS attempts",$seq,$num);
 140      }
 141          return false;
 142      }
 143  
 144      //example for $UserOrDSN
 145      //for visual fox : DRIVER={Microsoft Visual FoxPro Driver};SOURCETYPE=DBF;SOURCEDB=c:\YourDbfFileDir;EXCLUSIVE=NO;
 146      //for visual fox dbc: DRIVER={Microsoft Visual FoxPro Driver};SOURCETYPE=DBC;SOURCEDB=c:\YourDbcFileDir\mydb.dbc;EXCLUSIVE=NO;
 147      //for access : DRIVER={Microsoft Access Driver (*.mdb)};DBQ=c:\path_to_access_db\base_test.mdb;UID=root;PWD=;
 148      //for mssql : DRIVER={SQL Server};SERVER=myserver;UID=myuid;PWD=mypwd;DATABASE=OdbtpTest;
 149      //if uid & pwd can be separate
 150      function _connect($HostOrInterface, $UserOrDSN='', $argPassword='', $argDatabase='')
 151      {
 152          $this->_connectionID = odbtp_connect($HostOrInterface,$UserOrDSN,$argPassword,$argDatabase);
 153          if ($this->_connectionID === false) {
 154              $this->_errorMsg = $this->ErrorMsg() ;
 155              return false;
 156          }
 157          
 158          odbtp_convert_datetime($this->_connectionID,true);
 159          
 160          if ($this->_dontPoolDBC) {
 161              if (function_exists('odbtp_dont_pool_dbc'))
 162                  @odbtp_dont_pool_dbc($this->_connectionID);
 163          }
 164          else {
 165              $this->_dontPoolDBC = true;
 166          }
 167          $this->odbc_driver = @odbtp_get_attr(ODB_ATTR_DRIVER, $this->_connectionID);
 168          $dbms = strtolower(@odbtp_get_attr(ODB_ATTR_DBMSNAME, $this->_connectionID));
 169          $this->odbc_name = $dbms;
 170          
 171          // Account for inconsistent DBMS names
 172          if( $this->odbc_driver == ODB_DRIVER_ORACLE )
 173              $dbms = 'oracle';
 174          else if( $this->odbc_driver == ODB_DRIVER_SYBASE )
 175              $dbms = 'sybase';
 176  
 177          // Set DBMS specific attributes
 178          switch( $dbms ) {
 179              case 'microsoft sql server':
 180                  $this->databaseType = 'odbtp_mssql';
 181                  $this->fmtDate = "'Y-m-d'";
 182                  $this->fmtTimeStamp = "'Y-m-d h:i:sA'";
 183                  $this->sysDate = 'convert(datetime,convert(char,GetDate(),102),102)';
 184                  $this->sysTimeStamp = 'GetDate()';
 185                  $this->ansiOuter = true;
 186                  $this->leftOuter = '*=';
 187                  $this->rightOuter = '=*';
 188                  $this->hasTop = 'top';
 189                  $this->hasInsertID = true;
 190                  $this->hasTransactions = true;
 191                  $this->_bindInputArray = true;
 192                  $this->_canSelectDb = true;
 193                  $this->substr = "substring";
 194                  $this->length = 'len';
 195                  $this->identitySQL = 'select SCOPE_IDENTITY()';
 196                  $this->metaDatabasesSQL = "select name from master..sysdatabases where name <> 'master'";
 197                  $this->_canPrepareSP = true;
 198                  break;
 199              case 'access':
 200                  $this->databaseType = 'odbtp_access';
 201                  $this->fmtDate = "#Y-m-d#";
 202                  $this->fmtTimeStamp = "#Y-m-d h:i:sA#";
 203                  $this->sysDate = "FORMAT(NOW,'yyyy-mm-dd')";
 204                  $this->sysTimeStamp = 'NOW';
 205                  $this->hasTop = 'top';
 206                  $this->hasTransactions = false;
 207                  $this->_canPrepareSP = true;  // For MS Access only.
 208                  break;
 209              case 'visual foxpro':
 210                  $this->databaseType = 'odbtp_vfp';
 211                  $this->fmtDate = "{^Y-m-d}";
 212                  $this->fmtTimeStamp = "{^Y-m-d, h:i:sA}";
 213                  $this->sysDate = 'date()';
 214                  $this->sysTimeStamp = 'datetime()';
 215                  $this->ansiOuter = true;
 216                  $this->hasTop = 'top';
 217                  $this->hasTransactions = false;
 218                  $this->replaceQuote = "'+chr(39)+'";
 219                  $this->true = '.T.';
 220                  $this->false = '.F.';
 221  
 222                  break;
 223              case 'oracle':
 224                  $this->databaseType = 'odbtp_oci8';
 225                  $this->fmtDate = "'Y-m-d 00:00:00'";
 226                  $this->fmtTimeStamp = "'Y-m-d h:i:sA'";
 227                  $this->sysDate = 'TRUNC(SYSDATE)';
 228                  $this->sysTimeStamp = 'SYSDATE';
 229                  $this->hasTransactions = true;
 230                  $this->_bindInputArray = true;
 231                  $this->concat_operator = '||';
 232                  break;
 233              case 'sybase':
 234                  $this->databaseType = 'odbtp_sybase';
 235                  $this->fmtDate = "'Y-m-d'";
 236                  $this->fmtTimeStamp = "'Y-m-d H:i:s'";
 237                  $this->sysDate = 'GetDate()';
 238                  $this->sysTimeStamp = 'GetDate()';
 239                  $this->leftOuter = '*=';
 240                  $this->rightOuter = '=*';
 241                  $this->hasInsertID = true;
 242                  $this->hasTransactions = true;
 243                  $this->identitySQL = 'select SCOPE_IDENTITY()';
 244                  break;
 245              default:
 246                  $this->databaseType = 'odbtp';
 247                  if( @odbtp_get_attr(ODB_ATTR_TXNCAPABLE, $this->_connectionID) )
 248                      $this->hasTransactions = true;
 249                  else
 250                      $this->hasTransactions = false;
 251          }
 252          @odbtp_set_attr(ODB_ATTR_FULLCOLINFO, TRUE, $this->_connectionID );
 253  
 254          if ($this->_useUnicodeSQL )
 255              @odbtp_set_attr(ODB_ATTR_UNICODESQL, TRUE, $this->_connectionID);
 256  
 257          return true;
 258      }
 259  
 260  	function _pconnect($HostOrInterface, $UserOrDSN='', $argPassword='', $argDatabase='')
 261      {
 262          $this->_dontPoolDBC = false;
 263            return $this->_connect($HostOrInterface, $UserOrDSN, $argPassword, $argDatabase);
 264      }
 265  
 266  	function SelectDB($dbName)
 267      {
 268          if (!@odbtp_select_db($dbName, $this->_connectionID)) {
 269              return false;
 270          }
 271          $this->database = $dbName;
 272          $this->databaseName = $dbName; # obsolete, retained for compat with older adodb versions
 273          return true;
 274      }
 275      
 276      function &MetaTables($ttype='',$showSchema=false,$mask=false)
 277      {
 278      global $ADODB_FETCH_MODE;
 279  
 280          $savem = $ADODB_FETCH_MODE;
 281          $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
 282          if ($this->fetchMode !== false) $savefm = $this->SetFetchMode(false);
 283          
 284          $arr =& $this->GetArray("||SQLTables||||$ttype");
 285          
 286          if (isset($savefm)) $this->SetFetchMode($savefm);
 287          $ADODB_FETCH_MODE = $savem;
 288  
 289          $arr2 = array();
 290          for ($i=0; $i < sizeof($arr); $i++) {
 291              if ($arr[$i][3] == 'SYSTEM TABLE' )    continue;
 292              if ($arr[$i][2])
 293                  $arr2[] = $showSchema && $arr[$i][1]? $arr[$i][1].'.'.$arr[$i][2] : $arr[$i][2];
 294          }
 295          return $arr2;
 296      }
 297      
 298      function &MetaColumns($table,$upper=true)
 299      {
 300      global $ADODB_FETCH_MODE;
 301  
 302          $schema = false;
 303          $this->_findschema($table,$schema);
 304          if ($upper) $table = strtoupper($table);
 305  
 306          $savem = $ADODB_FETCH_MODE;
 307          $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
 308          if ($this->fetchMode !== false) $savefm = $this->SetFetchMode(false);
 309          
 310          $rs = $this->Execute( "||SQLColumns||$schema|$table" );
 311          
 312          if (isset($savefm)) $this->SetFetchMode($savefm);
 313          $ADODB_FETCH_MODE = $savem;
 314  
 315          if (!$rs || $rs->EOF) {
 316              $false = false;
 317              return $false;
 318          }
 319          $retarr = array();
 320          while (!$rs->EOF) {
 321              //print_r($rs->fields);
 322              if (strtoupper($rs->fields[2]) == $table) {
 323                  $fld = new ADOFieldObject();
 324                  $fld->name = $rs->fields[3];
 325                  $fld->type = $rs->fields[5];
 326                  $fld->max_length = $rs->fields[6];
 327                  $fld->not_null = !empty($rs->fields[9]);
 328                   $fld->scale = $rs->fields[7];
 329                  if (isset($rs->fields[12])) // vfp does not have field 12
 330                       if (!is_null($rs->fields[12])) {
 331                           $fld->has_default = true;
 332                           $fld->default_value = $rs->fields[12];
 333                      }
 334                  $retarr[strtoupper($fld->name)] = $fld;
 335              } else if (!empty($retarr))
 336                  break;
 337              $rs->MoveNext();
 338          }
 339          $rs->Close();
 340  
 341          return $retarr;
 342      }
 343  
 344      function &MetaPrimaryKeys($table, $owner='')
 345      {
 346      global $ADODB_FETCH_MODE;
 347  
 348          $savem = $ADODB_FETCH_MODE;
 349          $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
 350          $arr =& $this->GetArray("||SQLPrimaryKeys||$owner|$table");
 351          $ADODB_FETCH_MODE = $savem;
 352  
 353          //print_r($arr);
 354          $arr2 = array();
 355          for ($i=0; $i < sizeof($arr); $i++) {
 356              if ($arr[$i][3]) $arr2[] = $arr[$i][3];
 357          }
 358          return $arr2;
 359      }
 360  
 361      function &MetaForeignKeys($table, $owner='', $upper=false)
 362      {
 363      global $ADODB_FETCH_MODE;
 364  
 365          $savem = $ADODB_FETCH_MODE;
 366          $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
 367          $constraints =& $this->GetArray("||SQLForeignKeys|||||$owner|$table");
 368          $ADODB_FETCH_MODE = $savem;
 369  
 370          $arr = false;
 371          foreach($constraints as $constr) {
 372              //print_r($constr);
 373              $arr[$constr[11]][$constr[2]][] = $constr[7].'='.$constr[3];
 374          }
 375          if (!$arr) {
 376              $false = false;
 377              return $false;
 378          }
 379          
 380          $arr2 = array();
 381  
 382          foreach($arr as $k => $v) {
 383              foreach($v as $a => $b) {
 384                  if ($upper) $a = strtoupper($a);
 385                  $arr2[$a] = $b;
 386              }
 387          }
 388          return $arr2;
 389      }
 390  
 391  	function BeginTrans()
 392      {
 393          if (!$this->hasTransactions) return false;
 394          if ($this->transOff) return true;
 395          $this->transCnt += 1;
 396          $this->autoCommit = false;
 397          if (defined('ODB_TXN_DEFAULT'))
 398              $txn = ODB_TXN_DEFAULT;
 399          else
 400              $txn = ODB_TXN_READUNCOMMITTED;
 401          $rs = @odbtp_set_attr(ODB_ATTR_TRANSACTIONS,$txn,$this->_connectionID);
 402          if(!$rs) return false;
 403          return true;
 404      }
 405  
 406  	function CommitTrans($ok=true)
 407      {
 408          if ($this->transOff) return true;
 409          if (!$ok) return $this->RollbackTrans();
 410          if ($this->transCnt) $this->transCnt -= 1;
 411          $this->autoCommit = true;
 412          if( ($ret = @odbtp_commit($this->_connectionID)) )
 413              $ret = @odbtp_set_attr(ODB_ATTR_TRANSACTIONS, ODB_TXN_NONE, $this->_connectionID);//set transaction off
 414          return $ret;
 415      }
 416  
 417  	function RollbackTrans()
 418      {
 419          if ($this->transOff) return true;
 420          if ($this->transCnt) $this->transCnt -= 1;
 421          $this->autoCommit = true;
 422          if( ($ret = @odbtp_rollback($this->_connectionID)) )
 423              $ret = @odbtp_set_attr(ODB_ATTR_TRANSACTIONS, ODB_TXN_NONE, $this->_connectionID);//set transaction off
 424          return $ret;
 425      }
 426  
 427      function &SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
 428      {
 429          // TOP requires ORDER BY for Visual FoxPro
 430          if( $this->odbc_driver == ODB_DRIVER_FOXPRO ) {
 431              if (!preg_match('/ORDER[ \t\r\n]+BY/is',$sql)) $sql .= ' ORDER BY 1';
 432          }
 433          $ret =& ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
 434          return $ret;
 435      }
 436  
 437  	function Prepare($sql)
 438      {
 439          if (! $this->_bindInputArray) return $sql; // no binding
 440          $stmt = @odbtp_prepare($sql,$this->_connectionID);
 441          if (!$stmt) {
 442          //    print "Prepare Error for ($sql) ".$this->ErrorMsg()."<br>";
 443              return $sql;
 444          }
 445          return array($sql,$stmt,false);
 446      }
 447  
 448  	function PrepareSP($sql)
 449      {
 450          if (!$this->_canPrepareSP) return $sql; // Can't prepare procedures
 451  
 452          $stmt = @odbtp_prepare_proc($sql,$this->_connectionID);
 453          if (!$stmt) return false;
 454          return array($sql,$stmt);
 455      }
 456  
 457      /*
 458      Usage:
 459          $stmt = $db->PrepareSP('SP_RUNSOMETHING'); -- takes 2 params, @myid and @group
 460  
 461          # note that the parameter does not have @ in front!
 462          $db->Parameter($stmt,$id,'myid');
 463          $db->Parameter($stmt,$group,'group',false,64);
 464          $db->Parameter($stmt,$group,'photo',false,100000,ODB_BINARY);
 465          $db->Execute($stmt);
 466  
 467          @param $stmt Statement returned by Prepare() or PrepareSP().
 468          @param $var PHP variable to bind to. Can set to null (for isNull support).
 469          @param $name Name of stored procedure variable name to bind to.
 470          @param [$isOutput] Indicates direction of parameter 0/false=IN  1=OUT  2= IN/OUT. This is ignored in odbtp.
 471          @param [$maxLen] Holds an maximum length of the variable.
 472          @param [$type] The data type of $var. Legal values depend on driver.
 473  
 474          See odbtp_attach_param documentation at http://odbtp.sourceforge.net.
 475      */
 476  	function Parameter(&$stmt, &$var, $name, $isOutput=false, $maxLen=0, $type=0)
 477      {
 478          if ( $this->odbc_driver == ODB_DRIVER_JET ) {
 479              $name = '['.$name.']';
 480              if( !$type && $this->_useUnicodeSQL
 481                  && @odbtp_param_bindtype($stmt[1], $name) == ODB_CHAR )
 482              {
 483                  $type = ODB_WCHAR;
 484              }
 485          }
 486          else {
 487              $name = '@'.$name;
 488          }
 489          return @odbtp_attach_param($stmt[1], $name, $var, $type, $maxLen);
 490      }
 491  
 492      /*
 493          Insert a null into the blob field of the table first.
 494          Then use UpdateBlob to store the blob.
 495  
 496          Usage:
 497  
 498          $conn->Execute('INSERT INTO blobtable (id, blobcol) VALUES (1, null)');
 499          $conn->UpdateBlob('blobtable','blobcol',$blob,'id=1');
 500      */
 501  
 502  	function UpdateBlob($table,$column,$val,$where,$blobtype='image')
 503      {
 504          $sql = "UPDATE $table SET $column = ? WHERE $where";
 505          if( !($stmt = @odbtp_prepare($sql, $this->_connectionID)) )
 506              return false;
 507          if( !@odbtp_input( $stmt, 1, ODB_BINARY, 1000000, $blobtype ) )
 508              return false;
 509          if( !@odbtp_set( $stmt, 1, $val ) )
 510              return false;
 511          return @odbtp_execute( $stmt ) != false;
 512      }
 513  
 514  	function IfNull( $field, $ifNull )
 515      {
 516          switch( $this->odbc_driver ) {
 517              case ODB_DRIVER_MSSQL:
 518                  return " ISNULL($field, $ifNull) ";
 519              case ODB_DRIVER_JET:
 520                  return " IIF(IsNull($field), $ifNull, $field) ";
 521          }
 522          return " CASE WHEN $field is null THEN $ifNull ELSE $field END ";
 523      }
 524  
 525  	function _query($sql,$inputarr=false)
 526      {
 527      global $php_errormsg;
 528      
 529           if ($inputarr) {
 530              if (is_array($sql)) {
 531                  $stmtid = $sql[1];
 532              } else {
 533                  $stmtid = @odbtp_prepare($sql,$this->_connectionID);
 534                  if ($stmtid == false) {
 535                      $this->_errorMsg = $php_errormsg;
 536                      return false;
 537                  }
 538              }
 539              $num_params = @odbtp_num_params( $stmtid );
 540              for( $param = 1; $param <= $num_params; $param++ ) {
 541                  @odbtp_input( $stmtid, $param );
 542                  @odbtp_set( $stmtid, $param, $inputarr[$param-1] );
 543              }
 544              if (!@odbtp_execute($stmtid) ) {
 545                  return false;
 546              }
 547          } else if (is_array($sql)) {
 548              $stmtid = $sql[1];
 549              if (!@odbtp_execute($stmtid)) {
 550                  return false;
 551              }
 552          } else {
 553              $stmtid = odbtp_query($sql,$this->_connectionID);
 554             }
 555          $this->_lastAffectedRows = 0;
 556          if ($stmtid) {
 557                  $this->_lastAffectedRows = @odbtp_affected_rows($stmtid);
 558          }
 559          return $stmtid;
 560      }
 561  
 562  	function _close()
 563      {
 564          $ret = @odbtp_close($this->_connectionID);
 565          $this->_connectionID = false;
 566          return $ret;
 567      }
 568  }
 569  
 570  class ADORecordSet_odbtp extends ADORecordSet {
 571  
 572      var $databaseType = 'odbtp';
 573      var $canSeek = true;
 574  
 575  	function ADORecordSet_odbtp($queryID,$mode=false)
 576      {
 577          if ($mode === false) {
 578              global $ADODB_FETCH_MODE;
 579              $mode = $ADODB_FETCH_MODE;
 580          }
 581          $this->fetchMode = $mode;
 582          $this->ADORecordSet($queryID);
 583      }
 584  
 585  	function _initrs()
 586      {
 587          $this->_numOfFields = @odbtp_num_fields($this->_queryID);
 588          if (!($this->_numOfRows = @odbtp_num_rows($this->_queryID)))
 589              $this->_numOfRows = -1;
 590  
 591          if (!$this->connection->_useUnicodeSQL) return;
 592  
 593          if ($this->connection->odbc_driver == ODB_DRIVER_JET) {
 594              if (!@odbtp_get_attr(ODB_ATTR_MAPCHARTOWCHAR,
 595                                   $this->connection->_connectionID))
 596              {
 597                  for ($f = 0; $f < $this->_numOfFields; $f++) {
 598                      if (@odbtp_field_bindtype($this->_queryID, $f) == ODB_CHAR)
 599                          @odbtp_bind_field($this->_queryID, $f, ODB_WCHAR);
 600                  }
 601              }
 602          }
 603      }
 604  
 605      function &FetchField($fieldOffset = 0)
 606      {
 607          $off=$fieldOffset; // offsets begin at 0
 608          $o= new ADOFieldObject();
 609          $o->name = @odbtp_field_name($this->_queryID,$off);
 610          $o->type = @odbtp_field_type($this->_queryID,$off);
 611          $o->max_length = @odbtp_field_length($this->_queryID,$off);
 612          if (ADODB_ASSOC_CASE == 0) $o->name = strtolower($o->name);
 613          else if (ADODB_ASSOC_CASE == 1) $o->name = strtoupper($o->name);
 614          return $o;
 615      }
 616  
 617  	function _seek($row)
 618      {
 619          return @odbtp_data_seek($this->_queryID, $row);
 620      }
 621  
 622  	function fields($colname)
 623      {
 624          if ($this->fetchMode & ADODB_FETCH_ASSOC) return $this->fields[$colname];
 625  
 626          if (!$this->bind) {
 627              $this->bind = array();
 628              for ($i=0; $i < $this->_numOfFields; $i++) {
 629                  $name = @odbtp_field_name( $this->_queryID, $i );
 630                  $this->bind[strtoupper($name)] = $i;
 631              }
 632          }
 633          return $this->fields[$this->bind[strtoupper($colname)]];
 634      }
 635  
 636  	function _fetch_odbtp($type=0)
 637      {
 638          switch ($this->fetchMode) {
 639              case ADODB_FETCH_NUM:
 640                  $this->fields = @odbtp_fetch_row($this->_queryID, $type);
 641                  break;
 642              case ADODB_FETCH_ASSOC:
 643                  $this->fields = @odbtp_fetch_assoc($this->_queryID, $type);
 644                  break;
 645              default:
 646                  $this->fields = @odbtp_fetch_array($this->_queryID, $type);
 647          }
 648          if ($this->databaseType = 'odbtp_vfp') {
 649              if ($this->fields)
 650              foreach($this->fields as $k => $v) {
 651                  if (strncmp($v,'1899-12-30',10) == 0) $this->fields[$k] = '';
 652              }
 653          }
 654          return is_array($this->fields);
 655      }
 656  
 657  	function _fetch()
 658      {
 659          return $this->_fetch_odbtp();
 660      }
 661  
 662  	function MoveFirst()
 663      {
 664          if (!$this->_fetch_odbtp(ODB_FETCH_FIRST)) return false;
 665          $this->EOF = false;
 666          $this->_currentRow = 0;
 667          return true;
 668      }
 669  
 670  	function MoveLast()
 671      {
 672          if (!$this->_fetch_odbtp(ODB_FETCH_LAST)) return false;
 673          $this->EOF = false;
 674          $this->_currentRow = $this->_numOfRows - 1;
 675          return true;
 676      }
 677  
 678  	function NextRecordSet()
 679      {
 680          if (!@odbtp_next_result($this->_queryID)) return false;
 681          $this->_inited = false;
 682          $this->bind = false;
 683          $this->_currentRow = -1;
 684          $this->Init();
 685          return true;
 686      }
 687  
 688  	function _close()
 689      {
 690          return @odbtp_free_query($this->_queryID);
 691      }
 692  }
 693  
 694  class ADORecordSet_odbtp_mssql extends ADORecordSet_odbtp {
 695  
 696      var $databaseType = 'odbtp_mssql';
 697  
 698  	function ADORecordSet_odbtp_mssql($id,$mode=false)
 699      {
 700          return $this->ADORecordSet_odbtp($id,$mode);
 701      }
 702  }
 703  
 704  class ADORecordSet_odbtp_access extends ADORecordSet_odbtp {
 705  
 706      var $databaseType = 'odbtp_access';
 707  
 708  	function ADORecordSet_odbtp_access($id,$mode=false)
 709      {
 710          return $this->ADORecordSet_odbtp($id,$mode);
 711      }
 712  }
 713  
 714  class ADORecordSet_odbtp_vfp extends ADORecordSet_odbtp {
 715  
 716      var $databaseType = 'odbtp_vfp';
 717  
 718  	function ADORecordSet_odbtp_vfp($id,$mode=false)
 719      {
 720          return $this->ADORecordSet_odbtp($id,$mode);
 721      }
 722  }
 723  
 724  class ADORecordSet_odbtp_oci8 extends ADORecordSet_odbtp {
 725  
 726      var $databaseType = 'odbtp_oci8';
 727  
 728  	function ADORecordSet_odbtp_oci8($id,$mode=false)
 729      {
 730          return $this->ADORecordSet_odbtp($id,$mode);
 731      }
 732  }
 733  
 734  class ADORecordSet_odbtp_sybase extends ADORecordSet_odbtp {
 735  
 736      var $databaseType = 'odbtp_sybase';
 737  
 738  	function ADORecordSet_odbtp_sybase($id,$mode=false)
 739      {
 740          return $this->ADORecordSet_odbtp($id,$mode);
 741      }
 742  }
 743  ?>

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