[Phpgroupware-cvs] phpgwapi/inc/adodb/drivers/adodb-sapdb.inc.php, 1.2

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Update of /phpgwapi/inc/adodb/drivers
Added Files:
        Branch: 
          adodb-sapdb.inc.php

date: 2004/12/30 06:47:32;  author: skwashd;  state: Exp;  lines: +184 -0

Log Message:
new HEAD
=====================================================================
<?php
/* 
V4.54 5 Nov 2004  (c) 2000-2004 John Lim (address@hidden). All rights reserved.
  Released under both BSD license and Lesser GPL library license. 
  Whenever there is any discrepancy between the two licenses, 
  the BSD license will take precedence. 
Set tabs to 4 for best viewing.
  
  Latest version is available at http://adodb.sourceforge.net
  
  SAPDB data driver. Requires ODBC.

*/

// security - hide paths
if (!defined('ADODB_DIR')) die();

if (!defined('_ADODB_ODBC_LAYER')) {
        include(ADODB_DIR."/drivers/adodb-odbc.inc.php");
}
if (!defined('ADODB_SAPDB')){
define('ADODB_SAPDB',1);

class ADODB_SAPDB extends ADODB_odbc {
        var $databaseType = "sapdb";    
        var $concat_operator = '||';
        var $sysDate = 'DATE';
        var $sysTimeStamp = 'TIMESTAMP';
        var $fmtDate = "'Y-m-d'";       /// used by DBDate() as the default 
date format used by the database
        var $fmtTimeStamp = "'Y-m-d H:i:s'"; /// used by DBTimeStamp as the 
default timestamp fmt.
        var $hasInsertId = true;
        var $_bindInputArray = true;
        
        function ADODB_SAPDB()
        {
                //if (strncmp(PHP_OS,'WIN',3) === 0) $this->curmode = 
SQL_CUR_USE_ODBC;
                $this->ADODB_odbc();
        }
        
        function ServerInfo()
        {
                $info = ADODB_odbc::ServerInfo();
                if (!$info['version'] && 
preg_match('/([0-9.]+)/',$info['description'],$matches)) {
                        $info['version'] = $matches[1];
                }
                return $info;
        }

        function MetaPrimaryKeys($table)
        {
                $table = $this->Quote(strtoupper($table));

                return $this->GetCol("SELECT columnname FROM COLUMNS WHERE 
tablename=$table AND mode='KEY' ORDER BY pos");
        }
                
        function &MetaIndexes ($table, $primary = FALSE)
        {
                $table = $this->Quote(strtoupper($table));

                $sql = "SELECT INDEXNAME,TYPE,COLUMNNAME FROM INDEXCOLUMNS ".
                        " WHERE TABLENAME=$table".
                        " ORDER BY INDEXNAME,COLUMNNO";

                global $ADODB_FETCH_MODE;
                $save = $ADODB_FETCH_MODE;
        $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
        if ($this->fetchMode !== FALSE) {
                $savem = $this->SetFetchMode(FALSE);
        }
        
        $rs = $this->Execute($sql);
        if (isset($savem)) {
                $this->SetFetchMode($savem);
        }
        $ADODB_FETCH_MODE = $save;

        if (!is_object($rs)) {
                return FALSE;
        }

                $indexes = array();
                while ($row = $rs->FetchRow()) {
            $indexes[$row[0]]['unique'] = $row[1] == 'UNIQUE';
            $indexes[$row[0]]['columns'][] = $row[2];
        }
                if ($primary) {
                        $indexes['SYSPRIMARYKEYINDEX'] = array(
                                        'unique' => True,       // by definition
                                        'columns' => $this->GetCol("SELECT 
columnname FROM COLUMNS WHERE tablename=$table AND mode='KEY' ORDER BY pos"),
                                );
                }
        return $indexes;
        }
        
        function &MetaColumns ($table)
        {
                global $ADODB_FETCH_MODE;
                $save = $ADODB_FETCH_MODE;
        $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
        if ($this->fetchMode !== FALSE) {
                $savem = $this->SetFetchMode(FALSE);
        }
                $table = $this->Quote(strtoupper($table));
                
                $retarr = array();
                foreach($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)
                {
                        $fld = new ADOFieldObject();
                        $fld->name = $column[0];
                        $fld->type = $column[1];
                        $fld->max_length = $fld->type == 'LONG' ? 2147483647 : 
$column[2];
                        $fld->scale = $column[3];
                        $fld->not_null = $column[4] == 'NO';
                        $fld->primary_key = $column[5] == 'KEY';
                        if ($fld->has_default = $column[7]) {
                                if ($fld->primary_key && $column[6] == 'DEFAULT 
SERIAL (1)') {
                                        $fld->auto_increment = true;
                                        $fld->has_default = false;
                                } else {
                                        $fld->default_value = $column[6];
                                        switch($fld->type) {
                                                case 'VARCHAR':
                                                case 'CHARACTER':
                                                case 'LONG':
                                                        $fld->default_value = 
$column[6];
                                                        break;
                                                default:
                                                        $fld->default_value = 
trim($column[6]);
                                                        break;
                                        }
                                }
                        }
                        $retarr[$fld->name] = $fld;     
                }
        if (isset($savem)) {
                $this->SetFetchMode($savem);
        }
        $ADODB_FETCH_MODE = $save;

                return $retarr;
        }
        
        function MetaColumnNames($table)
        {
                $table = $this->Quote(strtoupper($table));

                return $this->GetCol("SELECT columnname FROM COLUMNS WHERE 
tablename=$table ORDER BY pos");
        }
        
        // unlike it seems, this depends on the db-session and works in a 
multiuser environment
        function _insertid($table,$column)
        {
                return empty($table) ? False : $this->GetOne("SELECT 
$table.CURRVAL FROM DUAL");
        }

        /*
                SelectLimit implementation problems:
        
                The following will return random 10 rows as order by performed 
after "WHERE rowno<10"
                which is not ideal...
                
                        select * from table where rowno < 10 order by 1
          
                This means that we have to use the adoconnection base class 
SelectLimit when
                there is an "order by".
                
                See 
http://listserv.sap.com/pipermail/sapdb.general/2002-January/010405.html
         */
        
};
 

class  ADORecordSet_sapdb extends ADORecordSet_odbc {   
        
        var $databaseType = "sapdb";            
        
        function ADORecordSet_sapdb($id,$mode=false)
        {
                $this->ADORecordSet_odbc($id,$mode);
        }
}

} //define
?>