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Source: /admin/includes/php/adodb/drivers/adodb-sapdb.inc.php - 184 lines - 5094 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. 
   7  Set tabs to 4 for best viewing.
   8    
   9    Latest version is available at http://adodb.sourceforge.net
  10    
  11    SAPDB data driver. Requires ODBC.
  12  
  13  */
  14  
  15  // security - hide paths
  16  if (!defined('ADODB_DIR')) die();
  17  
  18  if (!defined('_ADODB_ODBC_LAYER')) {
  19      include(ADODB_DIR."/drivers/adodb-odbc.inc.php");
  20  }
  21  if (!defined('ADODB_SAPDB')){
  22  define('ADODB_SAPDB',1);
  23  
  24  class ADODB_SAPDB extends ADODB_odbc {
  25      var $databaseType = "sapdb";    
  26      var $concat_operator = '||';
  27      var $sysDate = 'DATE';
  28      var $sysTimeStamp = 'TIMESTAMP';
  29      var $fmtDate = "'Y-m-d'";    /// used by DBDate() as the default date format used by the database
  30      var $fmtTimeStamp = "'Y-m-d H:i:s'"; /// used by DBTimeStamp as the default timestamp fmt.
  31      var $hasInsertId = true;
  32      var $_bindInputArray = true;
  33      
  34      function ADODB_SAPDB()
  35      {
  36          //if (strncmp(PHP_OS,'WIN',3) === 0) $this->curmode = SQL_CUR_USE_ODBC;
  37          $this->ADODB_odbc();
  38      }
  39      
  40  	function ServerInfo()
  41      {
  42          $info = ADODB_odbc::ServerInfo();
  43          if (!$info['version'] && preg_match('/([0-9.]+)/',$info['description'],$matches)) {
  44              $info['version'] = $matches[1];
  45          }
  46          return $info;
  47      }
  48  
  49  	function MetaPrimaryKeys($table)
  50      {
  51          $table = $this->Quote(strtoupper($table));
  52  
  53          return $this->GetCol("SELECT columnname FROM COLUMNS WHERE tablename=$table AND mode='KEY' ORDER BY pos");
  54      }
  55          
  56       function &MetaIndexes ($table, $primary = FALSE)
  57      {
  58          $table = $this->Quote(strtoupper($table));
  59  
  60          $sql = "SELECT INDEXNAME,TYPE,COLUMNNAME FROM INDEXCOLUMNS ".
  61              " WHERE TABLENAME=$table".
  62              " ORDER BY INDEXNAME,COLUMNNO";
  63  
  64          global $ADODB_FETCH_MODE;
  65          $save = $ADODB_FETCH_MODE;
  66          $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
  67          if ($this->fetchMode !== FALSE) {
  68              $savem = $this->SetFetchMode(FALSE);
  69          }
  70          
  71          $rs = $this->Execute($sql);
  72          if (isset($savem)) {
  73              $this->SetFetchMode($savem);
  74          }
  75          $ADODB_FETCH_MODE = $save;
  76  
  77          if (!is_object($rs)) {
  78              return FALSE;
  79          }
  80  
  81          $indexes = array();
  82          while ($row = $rs->FetchRow()) {
  83              $indexes[$row[0]]['unique'] = $row[1] == 'UNIQUE';
  84              $indexes[$row[0]]['columns'][] = $row[2];
  85          }
  86          if ($primary) {
  87              $indexes['SYSPRIMARYKEYINDEX'] = array(
  88                      'unique' => True,    // by definition
  89                      'columns' => $this->GetCol("SELECT columnname FROM COLUMNS WHERE tablename=$table AND mode='KEY' ORDER BY pos"),
  90                  );
  91          }
  92          return $indexes;
  93      }
  94      
  95       function &MetaColumns ($table)
  96      {
  97          global $ADODB_FETCH_MODE;
  98          $save = $ADODB_FETCH_MODE;
  99          $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
 100          if ($this->fetchMode !== FALSE) {
 101              $savem = $this->SetFetchMode(FALSE);
 102          }
 103          $table = $this->Quote(strtoupper($table));
 104          
 105          $retarr = array();
 106          foreach($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)
 107          {
 108              $fld = new ADOFieldObject();
 109              $fld->name = $column[0];
 110              $fld->type = $column[1];
 111              $fld->max_length = $fld->type == 'LONG' ? 2147483647 : $column[2];
 112              $fld->scale = $column[3];
 113              $fld->not_null = $column[4] == 'NO';
 114              $fld->primary_key = $column[5] == 'KEY';
 115              if ($fld->has_default = $column[7]) {
 116                  if ($fld->primary_key && $column[6] == 'DEFAULT SERIAL (1)') {
 117                      $fld->auto_increment = true;
 118                      $fld->has_default = false;
 119                  } else {
 120                      $fld->default_value = $column[6];
 121                      switch($fld->type) {
 122                          case 'VARCHAR':
 123                          case 'CHARACTER':
 124                          case 'LONG':
 125                              $fld->default_value = $column[6];
 126                              break;
 127                          default:
 128                              $fld->default_value = trim($column[6]);
 129                              break;
 130                      }
 131                  }
 132              }
 133              $retarr[$fld->name] = $fld;    
 134          }
 135          if (isset($savem)) {
 136              $this->SetFetchMode($savem);
 137          }
 138          $ADODB_FETCH_MODE = $save;
 139  
 140          return $retarr;
 141      }
 142      
 143  	function MetaColumnNames($table)
 144      {
 145          $table = $this->Quote(strtoupper($table));
 146  
 147          return $this->GetCol("SELECT columnname FROM COLUMNS WHERE tablename=$table ORDER BY pos");
 148      }
 149      
 150      // unlike it seems, this depends on the db-session and works in a multiuser environment
 151  	function _insertid($table,$column)
 152      {
 153          return empty($table) ? False : $this->GetOne("SELECT $table.CURRVAL FROM DUAL");
 154      }
 155  
 156      /*
 157          SelectLimit implementation problems:
 158      
 159           The following will return random 10 rows as order by performed after "WHERE rowno<10"
 160           which is not ideal...
 161          
 162                select * from table where rowno < 10 order by 1
 163        
 164            This means that we have to use the adoconnection base class SelectLimit when
 165            there is an "order by".
 166          
 167          See http://listserv.sap.com/pipermail/sapdb.general/2002-January/010405.html
 168       */
 169      
 170  };
 171   
 172  
 173  class  ADORecordSet_sapdb extends ADORecordSet_odbc {    
 174      
 175      var $databaseType = "sapdb";        
 176      
 177  	function ADORecordSet_sapdb($id,$mode=false)
 178      {
 179          $this->ADORecordSet_odbc($id,$mode);
 180      }
 181  }
 182  
 183  } //define
 184  ?>

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