Documentation TYPO3 par Ameos

adodb-sapdb.inc.php

00001 <?php
00002 /* 
00003 V4.93 10 Oct 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   SAPDB data driver. Requires ODBC.
00012 
00013 */
00014 
00015 // security - hide paths
00016 if (!defined('ADODB_DIR')) die();
00017 
00018 if (!defined('_ADODB_ODBC_LAYER')) {
00019         include(ADODB_DIR."/drivers/adodb-odbc.inc.php");
00020 }
00021 if (!defined('ADODB_SAPDB')){
00022 define('ADODB_SAPDB',1);
00023 
00024 class ADODB_SAPDB extends ADODB_odbc {
00025         var $databaseType = "sapdb";    
00026         var $concat_operator = '||';
00027         var $sysDate = 'DATE';
00028         var $sysTimeStamp = 'TIMESTAMP';
00029         var $fmtDate = "'Y-m-d'";       
00030         var $fmtTimeStamp = "'Y-m-d H:i:s'"; 
00031         var $hasInsertId = true;
00032         var $_bindInputArray = true;
00033         
00034         function ADODB_SAPDB()
00035         {
00036                 //if (strncmp(PHP_OS,'WIN',3) === 0) $this->curmode = SQL_CUR_USE_ODBC;
00037                 $this->ADODB_odbc();
00038         }
00039         
00040         function ServerInfo()
00041         {
00042                 $info = ADODB_odbc::ServerInfo();
00043                 if (!$info['version'] && preg_match('/([0-9.]+)/',$info['description'],$matches)) {
00044                         $info['version'] = $matches[1];
00045                 }
00046                 return $info;
00047         }
00048 
00049         function MetaPrimaryKeys($table)
00050         {
00051                 $table = $this->Quote(strtoupper($table));
00052 
00053                 return $this->GetCol("SELECT columnname FROM COLUMNS WHERE tablename=$table AND mode='KEY' ORDER BY pos");
00054         }
00055                 
00056         function &MetaIndexes ($table, $primary = FALSE)
00057         {
00058                 $table = $this->Quote(strtoupper($table));
00059 
00060                 $sql = "SELECT INDEXNAME,TYPE,COLUMNNAME FROM INDEXCOLUMNS ".
00061                         " WHERE TABLENAME=$table".
00062                         " ORDER BY INDEXNAME,COLUMNNO";
00063 
00064                 global $ADODB_FETCH_MODE;
00065                 $save = $ADODB_FETCH_MODE;
00066         $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
00067         if ($this->fetchMode !== FALSE) {
00068                 $savem = $this->SetFetchMode(FALSE);
00069         }
00070         
00071         $rs = $this->Execute($sql);
00072         if (isset($savem)) {
00073                 $this->SetFetchMode($savem);
00074         }
00075         $ADODB_FETCH_MODE = $save;
00076 
00077         if (!is_object($rs)) {
00078                 return FALSE;
00079         }
00080 
00081                 $indexes = array();
00082                 while ($row = $rs->FetchRow()) {
00083             $indexes[$row[0]]['unique'] = $row[1] == 'UNIQUE';
00084             $indexes[$row[0]]['columns'][] = $row[2];
00085         }
00086                 if ($primary) {
00087                         $indexes['SYSPRIMARYKEYINDEX'] = array(
00088                                         'unique' => True,       // by definition
00089                                         'columns' => $this->GetCol("SELECT columnname FROM COLUMNS WHERE tablename=$table AND mode='KEY' ORDER BY pos"),
00090                                 );
00091                 }
00092         return $indexes;
00093         }
00094         
00095         function &MetaColumns ($table)
00096         {
00097                 global $ADODB_FETCH_MODE;
00098                 $save = $ADODB_FETCH_MODE;
00099         $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
00100         if ($this->fetchMode !== FALSE) {
00101                 $savem = $this->SetFetchMode(FALSE);
00102         }
00103                 $table = $this->Quote(strtoupper($table));
00104                 
00105                 $retarr = array();
00106                 foreach($this->GetAll("SELECT COLUMNNAME,DATATYPE,LEN,DEC,NULLABLE,MODE,\"DEFAULT\",CASE WHEN \"DEFAULT\" IS NULL THEN 0 ELSE 1 END AS HAS_DEFAULT FROM COLUMNS WHERE tablename=$table ORDER BY pos") as $column)
00107                 {
00108                         $fld = new ADOFieldObject();
00109                         $fld->name = $column[0];
00110                         $fld->type = $column[1];
00111                         $fld->max_length = $fld->type == 'LONG' ? 2147483647 : $column[2];
00112                         $fld->scale = $column[3];
00113                         $fld->not_null = $column[4] == 'NO';
00114                         $fld->primary_key = $column[5] == 'KEY';
00115                         if ($fld->has_default = $column[7]) {
00116                                 if ($fld->primary_key && $column[6] == 'DEFAULT SERIAL (1)') {
00117                                         $fld->auto_increment = true;
00118                                         $fld->has_default = false;
00119                                 } else {
00120                                         $fld->default_value = $column[6];
00121                                         switch($fld->type) {
00122                                                 case 'VARCHAR':
00123                                                 case 'CHARACTER':
00124                                                 case 'LONG':
00125                                                         $fld->default_value = $column[6];
00126                                                         break;
00127                                                 default:
00128                                                         $fld->default_value = trim($column[6]);
00129                                                         break;
00130                                         }
00131                                 }
00132                         }
00133                         $retarr[$fld->name] = $fld;     
00134                 }
00135         if (isset($savem)) {
00136                 $this->SetFetchMode($savem);
00137         }
00138         $ADODB_FETCH_MODE = $save;
00139 
00140                 return $retarr;
00141         }
00142         
00143         function MetaColumnNames($table)
00144         {
00145                 $table = $this->Quote(strtoupper($table));
00146 
00147                 return $this->GetCol("SELECT columnname FROM COLUMNS WHERE tablename=$table ORDER BY pos");
00148         }
00149         
00150         // unlike it seems, this depends on the db-session and works in a multiuser environment
00151         function _insertid($table,$column)
00152         {
00153                 return empty($table) ? False : $this->GetOne("SELECT $table.CURRVAL FROM DUAL");
00154         }
00155 
00156         /*
00157                 SelectLimit implementation problems:
00158         
00159                 The following will return random 10 rows as order by performed after "WHERE rowno<10"
00160                 which is not ideal...
00161                 
00162                         select * from table where rowno < 10 order by 1
00163           
00164                 This means that we have to use the adoconnection base class SelectLimit when
00165                 there is an "order by".
00166                 
00167                 See http://listserv.sap.com/pipermail/sapdb.general/2002-January/010405.html
00168          */
00169         
00170 };
00171  
00172 
00173 class  ADORecordSet_sapdb extends ADORecordSet_odbc {   
00174         
00175         var $databaseType = "sapdb";            
00176         
00177         function ADORecordSet_sapdb($id,$mode=false)
00178         {
00179                 $this->ADORecordSet_odbc($id,$mode);
00180         }
00181 }
00182 
00183 } //define
00184 ?>


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