Documentation TYPO3 par Ameos

adodb-ado.inc.php

00001 <?php
00002 /* 
00003 V4.80 8 Mar 2006  (c) 2000-2006 John Lim (jlim@natsoft.com.my). All rights reserved.
00004   Released under both BSD license and Lesser GPL library license. 
00005   Whenever there is any discrepancy between the two licenses, 
00006   the BSD license will take precedence. 
00007 Set tabs to 4 for best viewing.
00008   
00009   Latest version is available at http://adodb.sourceforge.net
00010   
00011         Microsoft ADO data driver. Requires ADO. Works only on MS Windows.
00012 */
00013 
00014 // security - hide paths
00015 if (!defined('ADODB_DIR')) die();
00016         
00017 define("_ADODB_ADO_LAYER", 1 );
00018 /*--------------------------------------------------------------------------------------
00019 --------------------------------------------------------------------------------------*/
00020 
00021         
00022 class ADODB_ado extends ADOConnection {
00023         var $databaseType = "ado";      
00024         var $_bindInputArray = false;
00025         var $fmtDate = "'Y-m-d'";
00026         var $fmtTimeStamp = "'Y-m-d, h:i:sA'";
00027         var $replaceQuote = "''"; // string to use to replace quotes
00028         var $dataProvider = "ado";      
00029         var $hasAffectedRows = true;
00030         var $adoParameterType = 201; // 201 = long varchar, 203=long wide varchar, 205 = long varbinary
00031         var $_affectedRows = false;
00032         var $_thisTransactions;
00033         var $_cursor_type = 3; // 3=adOpenStatic,0=adOpenForwardOnly,1=adOpenKeyset,2=adOpenDynamic
00034         var $_cursor_location = 3; // 2=adUseServer, 3 = adUseClient;
00035         var $_lock_type = -1;
00036         var $_execute_option = -1;
00037         var $poorAffectedRows = true; 
00038         var $charPage;
00039                 
00040         function ADODB_ado() 
00041         {       
00042                 $this->_affectedRows = new VARIANT;
00043         }
00044 
00045         function ServerInfo()
00046         {
00047                 if (!empty($this->_connectionID)) $desc = $this->_connectionID->provider;
00048                 return array('description' => $desc, 'version' => '');
00049         }
00050         
00051         function _affectedrows()
00052         {
00053                 if (PHP_VERSION >= 5) return $this->_affectedRows;
00054                 
00055                 return $this->_affectedRows->value;
00056         }
00057         
00058         // you can also pass a connection string like this:
00059         //
00060         // $DB->Connect('USER ID=sa;PASSWORD=pwd;SERVER=mangrove;DATABASE=ai',false,false,'SQLOLEDB');
00061         function _connect($argHostname, $argUsername, $argPassword, $argProvider= 'MSDASQL')
00062         {
00063                 $u = 'UID';
00064                 $p = 'PWD';
00065         
00066                 if (!empty($this->charPage))
00067                         $dbc = new COM('ADODB.Connection',null,$this->charPage);
00068                 else
00069                         $dbc = new COM('ADODB.Connection');
00070                         
00071                 if (! $dbc) return false;
00072 
00073                 /* special support if provider is mssql or access */
00074                 if ($argProvider=='mssql') {
00075                         $u = 'User Id';  //User parameter name for OLEDB
00076                         $p = 'Password'; 
00077                         $argProvider = "SQLOLEDB"; // SQL Server Provider
00078                         
00079                         // not yet
00080                         //if ($argDatabasename) $argHostname .= ";Initial Catalog=$argDatabasename";
00081                         
00082                         //use trusted conection for SQL if username not specified
00083                         if (!$argUsername) $argHostname .= ";Trusted_Connection=Yes";
00084                 } else if ($argProvider=='access')
00085                         $argProvider = "Microsoft.Jet.OLEDB.4.0"; // Microsoft Jet Provider
00086                 
00087                 if ($argProvider) $dbc->Provider = $argProvider;        
00088                 
00089                 if ($argUsername) $argHostname .= ";$u=$argUsername";
00090                 if ($argPassword)$argHostname .= ";$p=$argPassword";
00091                 
00092                 if ($this->debug) ADOConnection::outp( "Host=".$argHostname."<BR>\n version=$dbc->version");
00093                 // @ added below for php 4.0.1 and earlier
00094                 @$dbc->Open((string) $argHostname);
00095                 
00096                 $this->_connectionID = $dbc;
00097                 
00098                 $dbc->CursorLocation = $this->_cursor_location;
00099                 return  $dbc->State > 0;
00100         }
00101         
00102         // returns true or false
00103         function _pconnect($argHostname, $argUsername, $argPassword, $argProvider='MSDASQL')
00104         {
00105                 return $this->_connect($argHostname,$argUsername,$argPassword,$argProvider);
00106         }       
00107         
00108 /*
00109         adSchemaCatalogs        = 1,
00110         adSchemaCharacterSets   = 2,
00111         adSchemaCollations      = 3,
00112         adSchemaColumns = 4,
00113         adSchemaCheckConstraints        = 5,
00114         adSchemaConstraintColumnUsage   = 6,
00115         adSchemaConstraintTableUsage    = 7,
00116         adSchemaKeyColumnUsage  = 8,
00117         adSchemaReferentialContraints   = 9,
00118         adSchemaTableConstraints        = 10,
00119         adSchemaColumnsDomainUsage      = 11,
00120         adSchemaIndexes = 12,
00121         adSchemaColumnPrivileges        = 13,
00122         adSchemaTablePrivileges = 14,
00123         adSchemaUsagePrivileges = 15,
00124         adSchemaProcedures      = 16,
00125         adSchemaSchemata        = 17,
00126         adSchemaSQLLanguages    = 18,
00127         adSchemaStatistics      = 19,
00128         adSchemaTables  = 20,
00129         adSchemaTranslations    = 21,
00130         adSchemaProviderTypes   = 22,
00131         adSchemaViews   = 23,
00132         adSchemaViewColumnUsage = 24,
00133         adSchemaViewTableUsage  = 25,
00134         adSchemaProcedureParameters     = 26,
00135         adSchemaForeignKeys     = 27,
00136         adSchemaPrimaryKeys     = 28,
00137         adSchemaProcedureColumns        = 29,
00138         adSchemaDBInfoKeywords  = 30,
00139         adSchemaDBInfoLiterals  = 31,
00140         adSchemaCubes   = 32,
00141         adSchemaDimensions      = 33,
00142         adSchemaHierarchies     = 34,
00143         adSchemaLevels  = 35,
00144         adSchemaMeasures        = 36,
00145         adSchemaProperties      = 37,
00146         adSchemaMembers = 38
00147 
00148 */
00149         
00150         function &MetaTables()
00151         {
00152                 $arr= array();
00153                 $dbc = $this->_connectionID;
00154                 
00155                 $adors=@$dbc->OpenSchema(20);//tables
00156                 if ($adors){
00157                         $f = $adors->Fields(2);//table/view name
00158                         $t = $adors->Fields(3);//table type
00159                         while (!$adors->EOF){
00160                                 $tt=substr($t->value,0,6);
00161                                 if ($tt!='SYSTEM' && $tt !='ACCESS')
00162                                         $arr[]=$f->value;
00163                                 //print $f->value . ' ' . $t->value.'<br>';
00164                                 $adors->MoveNext();
00165                         }
00166                         $adors->Close();
00167                 }
00168                 
00169                 return $arr;
00170         }
00171         
00172         function &MetaColumns($table)
00173         {
00174                 $table = strtoupper($table);
00175                 $arr = array();
00176                 $dbc = $this->_connectionID;
00177                 
00178                 $adors=@$dbc->OpenSchema(4);//tables
00179         
00180                 if ($adors){
00181                         $t = $adors->Fields(2);//table/view name
00182                         while (!$adors->EOF){
00183                                 
00184                                 
00185                                 if (strtoupper($t->Value) == $table) {
00186                                 
00187                                         $fld = new ADOFieldObject();
00188                                         $c = $adors->Fields(3);
00189                                         $fld->name = $c->Value;
00190                                         $fld->type = 'CHAR'; // cannot discover type in ADO!
00191                                         $fld->max_length = -1;
00192                                         $arr[strtoupper($fld->name)]=$fld;
00193                                 }
00194                 
00195                                 $adors->MoveNext();
00196                         }
00197                         $adors->Close();
00198                 }
00199                 $false = false;
00200                 return empty($arr) ? $false : $arr;
00201         }
00202         
00203 
00204 
00205         
00206         /* returns queryID or false */
00207         function &_query($sql,$inputarr=false) 
00208         {
00209                 
00210                 $dbc = $this->_connectionID;
00211                 $false = false;
00212                 
00213         //      return rs       
00214                 if ($inputarr) {
00215                         
00216                         if (!empty($this->charPage))
00217                                 $oCmd = new COM('ADODB.Command',null,$this->charPage);
00218                         else
00219                                 $oCmd = new COM('ADODB.Command');
00220                         $oCmd->ActiveConnection = $dbc;
00221                         $oCmd->CommandText = $sql;
00222                         $oCmd->CommandType = 1;
00223 
00224                         foreach($inputarr as $val) {
00225                                 // name, type, direction 1 = input, len,
00226                                 $this->adoParameterType = 130;
00227                                 $p = $oCmd->CreateParameter('name',$this->adoParameterType,1,strlen($val),$val);
00228                                 //print $p->Type.' '.$p->value;
00229                                 $oCmd->Parameters->Append($p);
00230                         }
00231                         $p = false;
00232                         $rs = $oCmd->Execute();
00233                         $e = $dbc->Errors;
00234                         if ($dbc->Errors->Count > 0) return $false;
00235                         return $rs;
00236                 }
00237                 
00238                 $rs = @$dbc->Execute($sql,$this->_affectedRows, $this->_execute_option);
00239 
00240                 if ($dbc->Errors->Count > 0) return $false;
00241                 if (! $rs) return $false;
00242                 
00243                 if ($rs->State == 0) {
00244                         $true = true;
00245                         return $true; // 0 = adStateClosed means no records returned
00246                 }
00247                 return $rs;
00248         }
00249 
00250         
00251         function BeginTrans() 
00252         { 
00253                 if ($this->transOff) return true;
00254                 
00255                 if (isset($this->_thisTransactions))
00256                         if (!$this->_thisTransactions) return false;
00257                 else {
00258                         $o = $this->_connectionID->Properties("Transaction DDL");
00259                         $this->_thisTransactions = $o ? true : false;
00260                         if (!$o) return false;
00261                 }
00262                 @$this->_connectionID->BeginTrans();
00263                 $this->transCnt += 1;
00264                 return true;
00265         }
00266         function CommitTrans($ok=true) 
00267         { 
00268                 if (!$ok) return $this->RollbackTrans();
00269                 if ($this->transOff) return true;
00270                 
00271                 @$this->_connectionID->CommitTrans();
00272                 if ($this->transCnt) @$this->transCnt -= 1;
00273                 return true;
00274         }
00275         function RollbackTrans() {
00276                 if ($this->transOff) return true;
00277                 @$this->_connectionID->RollbackTrans();
00278                 if ($this->transCnt) @$this->transCnt -= 1;
00279                 return true;
00280         }
00281         
00282         /*      Returns: the last error message from previous database operation        */      
00283 
00284         function ErrorMsg() 
00285         {
00286                 $errc = $this->_connectionID->Errors;
00287                 if ($errc->Count == 0) return '';
00288                 $err = $errc->Item($errc->Count-1);
00289                 return $err->Description;
00290         }
00291         
00292         function ErrorNo() 
00293         {
00294                 $errc = $this->_connectionID->Errors;
00295                 if ($errc->Count == 0) return 0;
00296                 $err = $errc->Item($errc->Count-1);
00297                 return $err->NativeError;
00298         }
00299 
00300         // returns true or false
00301         function _close()
00302         {
00303                 if ($this->_connectionID) $this->_connectionID->Close();
00304                 $this->_connectionID = false;
00305                 return true;
00306         }
00307         
00308         
00309 }
00310         
00311 /*--------------------------------------------------------------------------------------
00312          Class Name: Recordset
00313 --------------------------------------------------------------------------------------*/
00314 
00315 class ADORecordSet_ado extends ADORecordSet {   
00316         
00317         var $bind = false;
00318         var $databaseType = "ado";      
00319         var $dataProvider = "ado";      
00320         var $_tarr = false; // caches the types
00321         var $_flds; // and field objects
00322         var $canSeek = true;
00323         var $hideErrors = true;
00324                   
00325         function ADORecordSet_ado($id,$mode=false)
00326         {
00327                 if ($mode === false) { 
00328                         global $ADODB_FETCH_MODE;
00329                         $mode = $ADODB_FETCH_MODE;
00330                 }
00331                 $this->fetchMode = $mode;
00332                 return $this->ADORecordSet($id,$mode);
00333         }
00334 
00335 
00336         // returns the field object
00337         function &FetchField($fieldOffset = -1) {
00338                 $off=$fieldOffset+1; // offsets begin at 1
00339                 
00340                 $o= new ADOFieldObject();
00341                 $rs = $this->_queryID;
00342                 $f = $rs->Fields($fieldOffset);
00343                 $o->name = $f->Name;
00344                 $t = $f->Type;
00345                 $o->type = $this->MetaType($t);
00346                 $o->max_length = $f->DefinedSize;
00347                 $o->ado_type = $t;      
00348 
00349                 //print "off=$off name=$o->name type=$o->type len=$o->max_length<br>";
00350                 return $o;
00351         }
00352         
00353         /* Use associative array to get fields array */
00354         function Fields($colname)
00355         {
00356                 if ($this->fetchMode & ADODB_FETCH_ASSOC) return $this->fields[$colname];
00357                 if (!$this->bind) {
00358                         $this->bind = array();
00359                         for ($i=0; $i < $this->_numOfFields; $i++) {
00360                                 $o = $this->FetchField($i);
00361                                 $this->bind[strtoupper($o->name)] = $i;
00362                         }
00363                 }
00364                 
00365                  return $this->fields[$this->bind[strtoupper($colname)]];
00366         }
00367 
00368                 
00369         function _initrs()
00370         {
00371                 $rs = $this->_queryID;
00372                 $this->_numOfRows = $rs->RecordCount;
00373                 
00374                 $f = $rs->Fields;
00375                 $this->_numOfFields = $f->Count;
00376         }
00377         
00378         
00379          // should only be used to move forward as we normally use forward-only cursors
00380         function _seek($row)
00381         {
00382            $rs = $this->_queryID; 
00383                 // absoluteposition doesn't work -- my maths is wrong ?
00384                 //      $rs->AbsolutePosition->$row-2;
00385                 //      return true;
00386                 if ($this->_currentRow > $row) return false;
00387                 @$rs->Move((integer)$row - $this->_currentRow-1); //adBookmarkFirst
00388                 return true;
00389         }
00390         
00391 /*
00392         OLEDB types
00393         
00394          enum DBTYPEENUM
00395         {       DBTYPE_EMPTY    = 0,
00396         DBTYPE_NULL     = 1,
00397         DBTYPE_I2       = 2,
00398         DBTYPE_I4       = 3,
00399         DBTYPE_R4       = 4,
00400         DBTYPE_R8       = 5,
00401         DBTYPE_CY       = 6,
00402         DBTYPE_DATE     = 7,
00403         DBTYPE_BSTR     = 8,
00404         DBTYPE_IDISPATCH        = 9,
00405         DBTYPE_ERROR    = 10,
00406         DBTYPE_BOOL     = 11,
00407         DBTYPE_VARIANT  = 12,
00408         DBTYPE_IUNKNOWN = 13,
00409         DBTYPE_DECIMAL  = 14,
00410         DBTYPE_UI1      = 17,
00411         DBTYPE_ARRAY    = 0x2000,
00412         DBTYPE_BYREF    = 0x4000,
00413         DBTYPE_I1       = 16,
00414         DBTYPE_UI2      = 18,
00415         DBTYPE_UI4      = 19,
00416         DBTYPE_I8       = 20,
00417         DBTYPE_UI8      = 21,
00418         DBTYPE_GUID     = 72,
00419         DBTYPE_VECTOR   = 0x1000,
00420         DBTYPE_RESERVED = 0x8000,
00421         DBTYPE_BYTES    = 128,
00422         DBTYPE_STR      = 129,
00423         DBTYPE_WSTR     = 130,
00424         DBTYPE_NUMERIC  = 131,
00425         DBTYPE_UDT      = 132,
00426         DBTYPE_DBDATE   = 133,
00427         DBTYPE_DBTIME   = 134,
00428         DBTYPE_DBTIMESTAMP      = 135
00429         
00430         ADO Types
00431         
00432         adEmpty = 0,
00433         adTinyInt       = 16,
00434         adSmallInt      = 2,
00435         adInteger       = 3,
00436         adBigInt        = 20,
00437         adUnsignedTinyInt       = 17,
00438         adUnsignedSmallInt      = 18,
00439         adUnsignedInt   = 19,
00440         adUnsignedBigInt        = 21,
00441         adSingle        = 4,
00442         adDouble        = 5,
00443         adCurrency      = 6,
00444         adDecimal       = 14,
00445         adNumeric       = 131,
00446         adBoolean       = 11,
00447         adError = 10,
00448         adUserDefined   = 132,
00449         adVariant       = 12,
00450         adIDispatch     = 9,
00451         adIUnknown      = 13,   
00452         adGUID  = 72,
00453         adDate  = 7,
00454         adDBDate        = 133,
00455         adDBTime        = 134,
00456         adDBTimeStamp   = 135,
00457         adBSTR  = 8,
00458         adChar  = 129,
00459         adVarChar       = 200,
00460         adLongVarChar   = 201,
00461         adWChar = 130,
00462         adVarWChar      = 202,
00463         adLongVarWChar  = 203,
00464         adBinary        = 128,
00465         adVarBinary     = 204,
00466         adLongVarBinary = 205,
00467         adChapter       = 136,
00468         adFileTime      = 64,
00469         adDBFileTime    = 137,
00470         adPropVariant   = 138,
00471         adVarNumeric    = 139
00472 */
00473         function MetaType($t,$len=-1,$fieldobj=false)
00474         {
00475                 if (is_object($t)) {
00476                         $fieldobj = $t;
00477                         $t = $fieldobj->type;
00478                         $len = $fieldobj->max_length;
00479                 }
00480                 
00481                 if (!is_numeric($t)) return $t;
00482                 
00483                 switch ($t) {
00484                 case 0:
00485                 case 12: // variant
00486                 case 8: // bstr
00487                 case 129: //char
00488                 case 130: //wc
00489                 case 200: // varc
00490                 case 202:// varWC
00491                 case 128: // bin
00492                 case 204: // varBin
00493                 case 72: // guid
00494                         if ($len <= $this->blobSize) return 'C';
00495                 
00496                 case 201:
00497                 case 203:
00498                         return 'X';
00499                 case 128:
00500                 case 204:
00501                 case 205:
00502                          return 'B';
00503                 case 7:
00504                 case 133: return 'D';
00505                 
00506                 case 134:
00507                 case 135: return 'T';
00508                 
00509                 case 11: return 'L';
00510                 
00511                 case 16://      adTinyInt       = 16,
00512                 case 2://adSmallInt     = 2,
00513                 case 3://adInteger      = 3,
00514                 case 4://adBigInt       = 20,
00515                 case 17://adUnsignedTinyInt     = 17,
00516                 case 18://adUnsignedSmallInt    = 18,
00517                 case 19://adUnsignedInt = 19,
00518                 case 20://adUnsignedBigInt      = 21,
00519                         return 'I';
00520                 default: return 'N';
00521                 }
00522         }
00523         
00524         // time stamp not supported yet
00525         function _fetch()
00526         {       
00527                 $rs = $this->_queryID;
00528                 if (!$rs or $rs->EOF) {
00529                         $this->fields = false;
00530                         return false;
00531                 }
00532                 $this->fields = array();
00533         
00534                 if (!$this->_tarr) {
00535                         $tarr = array();
00536                         $flds = array();
00537                         for ($i=0,$max = $this->_numOfFields; $i < $max; $i++) {
00538                                 $f = $rs->Fields($i);
00539                                 $flds[] = $f;
00540                                 $tarr[] = $f->Type;
00541                         }
00542                         // bind types and flds only once
00543                         $this->_tarr = $tarr; 
00544                         $this->_flds = $flds;
00545                 }
00546                 $t = reset($this->_tarr);
00547                 $f = reset($this->_flds);
00548                 
00549                 if ($this->hideErrors)  $olde = error_reporting(E_ERROR|E_CORE_ERROR);// sometimes $f->value be null
00550                 for ($i=0,$max = $this->_numOfFields; $i < $max; $i++) {
00551                         //echo "<p>",$t,' ';var_dump($f->value); echo '</p>';
00552                         switch($t) {
00553                         case 135: // timestamp
00554                                 if (!strlen((string)$f->value)) $this->fields[] = false;
00555                                 else {
00556                                         if (!is_numeric($f->value)) # $val = variant_date_to_timestamp($f->value);
00557                                                 // VT_DATE stores dates as (float) fractional days since 1899/12/30 00:00:00
00558                                                 $val=(float) variant_cast($f->value,VT_R8)*3600*24-2209161600;
00559                                         else 
00560                                                 $val = $f->value;
00561                                         $this->fields[] = adodb_date('Y-m-d H:i:s',$val);
00562                                 }
00563                                 break;                  
00564                         case 133:// A date value (yyyymmdd) 
00565                                 if ($val = $f->value) {
00566                                         $this->fields[] = substr($val,0,4).'-'.substr($val,4,2).'-'.substr($val,6,2);
00567                                 } else
00568                                         $this->fields[] = false;
00569                                 break;
00570                         case 7: // adDate
00571                                 if (!strlen((string)$f->value)) $this->fields[] = false;
00572                                 else {
00573                                         if (!is_numeric($f->value)) $val = variant_date_to_timestamp($f->value);
00574                                         else $val = $f->value;
00575                                         
00576                                         if (($val % 86400) == 0) $this->fields[] = adodb_date('Y-m-d',$val);
00577                                         else $this->fields[] = adodb_date('Y-m-d H:i:s',$val);
00578                                 }
00579                                 break;
00580                         case 1: // null
00581                                 $this->fields[] = false;
00582                                 break;
00583                         case 6: // currency is not supported properly;
00584                                 ADOConnection::outp( '<b>'.$f->Name.': currency type not supported by PHP</b>');
00585                                 $this->fields[] = (float) $f->value;
00586                                 break;
00587                         default:
00588                                 $this->fields[] = $f->value; 
00589                                 break;
00590                         }
00591                         //print " $f->value $t, ";
00592                         $f = next($this->_flds);
00593                         $t = next($this->_tarr);
00594                 } // for
00595                 if ($this->hideErrors) error_reporting($olde);
00596                 @$rs->MoveNext(); // @ needed for some versions of PHP!
00597                 
00598                 if ($this->fetchMode & ADODB_FETCH_ASSOC) {
00599                         $this->fields = &$this->GetRowAssoc(ADODB_ASSOC_CASE);
00600                 }
00601                 return true;
00602         }
00603         
00604                 function NextRecordSet()
00605                 {
00606                         $rs = $this->_queryID;
00607                         $this->_queryID = $rs->NextRecordSet();
00608                         //$this->_queryID = $this->_QueryId->NextRecordSet();
00609                         if ($this->_queryID == null) return false;
00610                         
00611                         $this->_currentRow = -1;
00612                         $this->_currentPage = -1;
00613                         $this->bind = false;
00614                         $this->fields = false;
00615                         $this->_flds = false;
00616                         $this->_tarr = false;
00617                         
00618                         $this->_inited = false;
00619                         $this->Init();
00620                         return true;
00621                 }
00622 
00623         function _close() {
00624                 $this->_flds = false;
00625                 @$this->_queryID->Close();// by Pete Dishman (peterd@telephonetics.co.uk)
00626                 $this->_queryID = false;        
00627         }
00628 
00629 }
00630 
00631 ?>


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