gacl/adodb/drivers/adodb-pdo.inc.php

   1 <?php
   2 /*
   3 V4.92a 29 Aug 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   Requires ODBC. Works on Windows and Unix.
  12
  13         Problems:
  14                 Where is float/decimal type in pdo_param_type
  15                 LOB handling for CLOB/BLOB differs significantly
  16 */
  17 // security - hide paths
  18 if (!defined('ADODB_DIR')) die();
  19
  20
  21 /*
  22 enum pdo_param_type {
  23 PDO::PARAM_NULL, 0
  24
  25 /* int as in long (the php native int type).
  26  * If you mark a column as an int, PDO expects get_col to return
  27  * a pointer to a long
  28 PDO::PARAM_INT, 1
  29
  30 /* get_col ptr should point to start of the string buffer
  31 PDO::PARAM_STR, 2
  32
  33 /* get_col: when len is 0 ptr should point to a php_stream *,
  34  * otherwise it should behave like a string. Indicate a NULL field
  35  * value by setting the ptr to NULL
  36 PDO::PARAM_LOB, 3
  37
  38 /* get_col: will expect the ptr to point to a new PDOStatement object handle,
  39  * but this isn't wired up yet
  40 PDO::PARAM_STMT, 4 /* hierarchical result set
  41
  42 /* get_col ptr should point to a zend_bool
  43 PDO::PARAM_BOOL, 5
  44
  45
  46 /* magic flag to denote a parameter as being input/output
  47 PDO::PARAM_INPUT_OUTPUT = 0x80000000
  48 };
  49 */
  50
  51 function adodb_pdo_type($t)
  52 {
  53         switch($t) {
  54         case 2: return 'VARCHAR';
  55         case 3: return 'BLOB';
  56         default: return 'NUMERIC';
  57         }
  58 }
  59
  60 /*--------------------------------------------------------------------------------------
  61 --------------------------------------------------------------------------------------*/
  62
  63 ////////////////////////////////////////////////
  64
  65
  66
  67 class ADODB_pdo_base extends ADODB_pdo {
  68
  69         var $sysDate = "'?'";
  70         var $sysTimeStamp = "'?'";
  71
  72
  73         function _init($parentDriver)
  74         {
  75                 $parentDriver->_bindInputArray = true;
  76                 #$parentDriver->_connectionID->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY,true);
  77         }
  78
  79         function ServerInfo()
  80         {
  81                 return ADOConnection::ServerInfo();
  82         }
  83
  84         function SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs2cache=0)
  85         {
  86                 $ret = ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
  87                 return $ret;
  88         }
  89
  90         function MetaTables()
  91         {
  92                 return false;
  93         }
  94
  95         function MetaColumns()
  96         {
  97                 return false;
  98         }
  99 }
 100
 101
 102 class ADODB_pdo extends ADOConnection {
 103         var $databaseType = "pdo";
 104         var $dataProvider = "pdo";
 105         var $fmtDate = "'Y-m-d'";
 106         var $fmtTimeStamp = "'Y-m-d, h:i:sA'";
 107         var $replaceQuote = "''"; // string to use to replace quotes
 108         var $hasAffectedRows = true;
 109         var $_bindInputArray = true;
 110         var $_genSeqSQL = "create table %s (id integer)";
 111         var $_autocommit = true;
 112         var $_haserrorfunctions = true;
 113         var $_lastAffectedRows = 0;
 114
 115         var $_errormsg = false;
 116         var $_errorno = false;
 117
 118         var $dsnType = '';
 119         var $stmt = false;
 120
 121         function ADODB_pdo()
 122         {
 123         }
 124
 125         function _UpdatePDO()
 126         {
 127                 $d = &$this->_driver;
 128                 $this->fmtDate = $d->fmtDate;
 129                 $this->fmtTimeStamp = $d->fmtTimeStamp;
 130                 $this->replaceQuote = $d->replaceQuote;
 131                 $this->sysDate = $d->sysDate;
 132                 $this->sysTimeStamp = $d->sysTimeStamp;
 133                 $this->random = $d->random;
 134                 $this->concat_operator = $d->concat_operator;
 135                 $this->nameQuote = $d->nameQuote;
 136
 137                 $d->_init($this);
 138         }
 139
 140         function Time()
 141         {
 142                 if (!empty($this->_driver->_hasdual)) $sql = "select $this->sysTimeStamp from dual";
 143                 else $sql = "select $this->sysTimeStamp";
 144
 145                 $rs =& $this->_Execute($sql);
 146                 if ($rs && !$rs->EOF) return $this->UnixTimeStamp(reset($rs->fields));
 147
 148                 return false;
 149         }
 150
 151         // returns true or false
 152         function _connect($argDSN, $argUsername, $argPassword, $argDatabasename, $persist=false)
 153         {
 154                 $at = strpos($argDSN,':');
 155                 $this->dsnType = substr($argDSN,0,$at);
 156
 157                 if ($argDatabasename) {
 158                         $argDSN .= ';dbname='.$argDatabasename;
 159                 }
 160                 try {
 161                         $this->_connectionID = new PDO($argDSN, $argUsername, $argPassword);
 162                 } catch (Exception $e) {
 163                         $this->_connectionID = false;
 164                         $this->_errorno = -1;
 165                         //var_dump($e);
 166                         $this->_errormsg = 'Connection attempt failed: '.$e->getMessage();
 167                         return false;
 168                 }
 169
 170                 if ($this->_connectionID) {
 171                         switch(ADODB_ASSOC_CASE){
 172                         case 0: $m = PDO::CASE_LOWER; break;
 173                         case 1: $m = PDO::CASE_UPPER; break;
 174                         default:
 175                         case 2: $m = PDO::CASE_NATURAL; break;
 176                         }
 177
 178                         //$this->_connectionID->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_SILENT );
 179                         $this->_connectionID->setAttribute(PDO::ATTR_CASE,$m);
 180
 181                         $class = 'ADODB_pdo_'.$this->dsnType;
 182                         //$this->_connectionID->setAttribute(PDO::ATTR_AUTOCOMMIT,true);
 183                         switch($this->dsnType) {
 184                         case 'oci':
 185                         case 'mysql':
 186                         case 'pgsql':
 187                         case 'mssql':
 188                                 include_once(ADODB_DIR.'/drivers/adodb-pdo_'.$this->dsnType.'.inc.php');
 189                                 break;
 190                         }
 191                         if (class_exists($class))
 192                                 $this->_driver = new $class();
 193                         else
 194                                 $this->_driver = new ADODB_pdo_base();
 195
 196                         $this->_driver->_connectionID = $this->_connectionID;
 197                         $this->_UpdatePDO();
 198                         return true;
 199                 }
 200                 $this->_driver = new ADODB_pdo_base();
 201                 return false;
 202         }
 203
 204         // returns true or false
 205         function _pconnect($argDSN, $argUsername, $argPassword, $argDatabasename)
 206         {
 207                 return $this->_connect($argDSN, $argUsername, $argPassword, $argDatabasename, true);
 208         }
 209
 210         /*------------------------------------------------------------------------------*/
 211
 212
 213         function SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs2cache=0)
 214         {
 215                 $save = $this->_driver->fetchMode;
 216                 $this->_driver->fetchMode = $this->fetchMode;
 217                 $this->_driver->debug = $this->debug;
 218                 $ret = $this->_driver->SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
 219                 $this->_driver->fetchMode = $save;
 220                 return $ret;
 221         }
 222
 223
 224         function ServerInfo()
 225         {
 226                 return $this->_driver->ServerInfo();
 227         }
 228
 229         function MetaTables($ttype=false,$showSchema=false,$mask=false)
 230         {
 231                 return $this->_driver->MetaTables($ttype,$showSchema,$mask);
 232         }
 233
 234         function MetaColumns($table,$normalize=true)
 235         {
 236                 return $this->_driver->MetaColumns($table,$normalize);
 237         }
 238
 239         function InParameter(&$stmt,&$var,$name,$maxLen=4000,$type=false)
 240         {
 241                 $obj = $stmt[1];
 242                 if ($type) $obj->bindParam($name,$var,$type,$maxLen);
 243                 else $obj->bindParam($name, $var);
 244         }
 245
 246
 247         function ErrorMsg()
 248         {
 249                 if ($this->_errormsg !== false) return $this->_errormsg;
 250                 if (!empty($this->_stmt)) $arr = $this->_stmt->errorInfo();
 251                 else if (!empty($this->_connectionID)) $arr = $this->_connectionID->errorInfo();
 252                 else return 'No Connection Established';
 253
 254
 255                 if ($arr) {
 256                         if (sizeof($arr)<2) return '';
 257                         if ((integer)$arr[1]) return $arr[2];
 258                         else return '';
 259                 } else return '-1';
 260         }
 261
 262
 263         function ErrorNo()
 264         {
 265                 if ($this->_errorno !== false) return $this->_errorno;
 266                 if (!empty($this->_stmt)) $err = $this->_stmt->errorCode();
 267                 else if (!empty($this->_connectionID)) {
 268                         $arr = $this->_connectionID->errorInfo();
 269                         if (isset($arr[0])) $err = $arr[0];
 270                         else $err = -1;
 271                 } else
 272                         return 0;
 273
 274                 if ($err == '00000') return 0; // allows empty check
 275                 return $err;
 276         }
 277
 278         function BeginTrans()
 279         {
 280                 if (!$this->hasTransactions) return false;
 281                 if ($this->transOff) return true;
 282                 $this->transCnt += 1;
 283                 $this->_autocommit = false;
 284                 $this->_connectionID->setAttribute(PDO::ATTR_AUTOCOMMIT,false);
 285                 return $this->_connectionID->beginTransaction();
 286         }
 287
 288         function CommitTrans($ok=true)
 289         {
 290                 if (!$this->hasTransactions) return false;
 291                 if ($this->transOff) return true;
 292                 if (!$ok) return $this->RollbackTrans();
 293                 if ($this->transCnt) $this->transCnt -= 1;
 294                 $this->_autocommit = true;
 295
 296                 $ret = $this->_connectionID->commit();
 297                 $this->_connectionID->setAttribute(PDO::ATTR_AUTOCOMMIT,true);
 298                 return $ret;
 299         }
 300
 301         function RollbackTrans()
 302         {
 303                 if (!$this->hasTransactions) return false;
 304                 if ($this->transOff) return true;
 305                 if ($this->transCnt) $this->transCnt -= 1;
 306                 $this->_autocommit = true;
 307
 308                 $ret = $this->_connectionID->rollback();
 309                 $this->_connectionID->setAttribute(PDO::ATTR_AUTOCOMMIT,true);
 310                 return $ret;
 311         }
 312
 313         function Prepare($sql)
 314         {
 315                 $this->_stmt = $this->_connectionID->prepare($sql);
 316                 if ($this->_stmt) return array($sql,$this->_stmt);
 317
 318                 return false;
 319         }
 320
 321         function PrepareStmt($sql)
 322         {
 323                 $stmt = $this->_connectionID->prepare($sql);
 324                 if (!$stmt) return false;
 325                 $obj = new ADOPDOStatement($stmt,$this);
 326                 return $obj;
 327         }
 328
 329
 330         /* returns queryID or false */
 331         function _query($sql,$inputarr=false)
 332         {
 333                 if (is_array($sql)) {
 334                         $stmt = $sql[1];
 335                 } else {
 336                         $stmt = $this->_connectionID->prepare($sql);
 337                 }
 338                 #adodb_backtrace();
 339                 #var_dump($this->_bindInputArray);
 340                 if ($stmt) {
 341                         $this->_driver->debug = $this->debug;
 342                         if ($inputarr) $ok = $stmt->execute($inputarr);
 343                         else $ok = $stmt->execute();
 344                 }
 345
 346
 347                 $this->_errormsg = false;
 348                 $this->_errorno = false;
 349
 350                 if ($ok) {
 351                         $this->_stmt = $stmt;
 352                         return $stmt;
 353                 }
 354
 355                 if ($stmt) {
 356
 357                         $arr = $stmt->errorinfo();
 358                         if ((integer)$arr[1]) {
 359                                 $this->_errormsg = $arr[2];
 360                                 $this->_errorno = $arr[1];
 361                         }
 362
 363                 } else {
 364                         $this->_errormsg = false;
 365                         $this->_errorno = false;
 366                 }
 367                 return false;
 368         }
 369
 370         // returns true or false
 371         function _close()
 372         {
 373                 $this->_stmt = false;
 374                 return true;
 375         }
 376
 377         function _affectedrows()
 378         {
 379                 return ($this->_stmt) ? $this->_stmt->rowCount() : 0;
 380         }
 381
 382         function _insertid()
 383         {
 384                 return ($this->_connectionID) ? $this->_connectionID->lastInsertId() : 0;
 385         }
 386 }
 387
 388 class ADOPDOStatement {
 389
 390         var $databaseType = "pdo";
 391         var $dataProvider = "pdo";
 392         var $_stmt;
 393         var $_connectionID;
 394
 395         function ADOPDOStatement($stmt,$connection)
 396         {
 397                 $this->_stmt = $stmt;
 398                 $this->_connectionID = $connection;
 399         }
 400
 401         function Execute($inputArr=false)
 402         {
 403                 $savestmt = $this->_connectionID->_stmt;
 404                 $rs = $this->_connectionID->Execute(array(false,$this->_stmt),$inputArr);
 405                 $this->_connectionID->_stmt = $savestmt;
 406                 return $rs;
 407         }
 408
 409         function InParameter(&$var,$name,$maxLen=4000,$type=false)
 410         {
 411
 412                 if ($type) $this->_stmt->bindParam($name,$var,$type,$maxLen);
 413                 else $this->_stmt->bindParam($name, $var);
 414         }
 415
 416         function Affected_Rows()
 417         {
 418                 return ($this->_stmt) ? $this->_stmt->rowCount() : 0;
 419         }
 420
 421         function ErrorMsg()
 422         {
 423                 if ($this->_stmt) $arr = $this->_stmt->errorInfo();
 424                 else $arr = $this->_connectionID->errorInfo();
 425
 426                 if (is_array($arr)) {
 427                         if ((integer) $arr[0] && isset($arr[2])) return $arr[2];
 428                         else return '';
 429                 } else return '-1';
 430         }
 431
 432         function NumCols()
 433         {
 434                 return ($this->_stmt) ? $this->_stmt->columnCount() : 0;
 435         }
 436
 437         function ErrorNo()
 438         {
 439                 if ($this->_stmt) return $this->_stmt->errorCode();
 440                 else return $this->_connectionID->errorInfo();
 441         }
 442 }
 443
 444 /*--------------------------------------------------------------------------------------
 445          Class Name: Recordset
 446 --------------------------------------------------------------------------------------*/
 447
 448 class ADORecordSet_pdo extends ADORecordSet {
 449
 450         var $bind = false;
 451         var $databaseType = "pdo";
 452         var $dataProvider = "pdo";
 453
 454         function ADORecordSet_pdo($id,$mode=false)
 455         {
 456                 if ($mode === false) {
 457                         global $ADODB_FETCH_MODE;
 458                         $mode = $ADODB_FETCH_MODE;
 459                 }
 460                 $this->adodbFetchMode = $mode;
 461                 switch($mode) {
 462                 case ADODB_FETCH_NUM: $mode = PDO::FETCH_NUM; break;
 463                 case ADODB_FETCH_ASSOC:  $mode = PDO::FETCH_ASSOC; break;
 464
 465                 case ADODB_FETCH_BOTH:
 466                 default: $mode = PDO::FETCH_BOTH; break;
 467                 }
 468                 $this->fetchMode = $mode;
 469
 470                 $this->_queryID = $id;
 471                 $this->ADORecordSet($id);
 472         }
 473
 474
 475         function Init()
 476         {
 477                 if ($this->_inited) return;
 478                 $this->_inited = true;
 479                 if ($this->_queryID) @$this->_initrs();
 480                 else {
 481                         $this->_numOfRows = 0;
 482                         $this->_numOfFields = 0;
 483                 }
 484                 if ($this->_numOfRows != 0 && $this->_currentRow == -1) {
 485                         $this->_currentRow = 0;
 486                         if ($this->EOF = ($this->_fetch() === false)) {
 487                                 $this->_numOfRows = 0; // _numOfRows could be -1
 488                         }
 489                 } else {
 490                         $this->EOF = true;
 491                 }
 492         }
 493
 494         function _initrs()
 495         {
 496         global $ADODB_COUNTRECS;
 497
 498                 $this->_numOfRows = ($ADODB_COUNTRECS) ? @$this->_queryID->rowCount() : -1;
 499                 if (!$this->_numOfRows) $this->_numOfRows = -1;
 500                 $this->_numOfFields = $this->_queryID->columnCount();
 501         }
 502
 503         // returns the field object
 504         function &FetchField($fieldOffset = -1)
 505         {
 506                 $off=$fieldOffset+1; // offsets begin at 1
 507
 508                 $o= new ADOFieldObject();
 509                 $arr = @$this->_queryID->getColumnMeta($fieldOffset);
 510                 if (!$arr) {
 511                         $o->name = 'bad getColumnMeta()';
 512                         $o->max_length = -1;
 513                         $o->type = 'VARCHAR';
 514                         $o->precision = 0;
 515         #               $false = false;
 516                         return $o;
 517                 }
 518                 //adodb_pr($arr);
 519                 $o->name = $arr['name'];
 520                 if (isset($arr['native_type'])) $o->type = $arr['native_type'];
 521                 else $o->type = adodb_pdo_type($arr['pdo_type']);
 522                 $o->max_length = $arr['len'];
 523                 $o->precision = $arr['precision'];
 524
 525                 if (ADODB_ASSOC_CASE == 0) $o->name = strtolower($o->name);
 526                 else if (ADODB_ASSOC_CASE == 1) $o->name = strtoupper($o->name);
 527                 return $o;
 528         }
 529
 530         function _seek($row)
 531         {
 532                 return false;
 533         }
 534
 535         function _fetch()
 536         {
 537                 if (!$this->_queryID) return false;
 538
 539                 $this->fields = $this->_queryID->fetch($this->fetchMode);
 540                 return !empty($this->fields);
 541         }
 542
 543         function _close()
 544         {
 545                 $this->_queryID = false;
 546         }
 547
 548         function Fields($colname)
 549         {
 550                 if ($this->adodbFetchMode != ADODB_FETCH_NUM) return @$this->fields[$colname];
 551
 552                 if (!$this->bind) {
 553                         $this->bind = array();
 554                         for ($i=0; $i < $this->_numOfFields; $i++) {
 555                                 $o = $this->FetchField($i);
 556                                 $this->bind[strtoupper($o->name)] = $i;
 557                         }
 558                 }
 559                  return $this->fields[$this->bind[strtoupper($colname)]];
 560         }
 561
 562 }
 563
 564 ?>