<?php
/* 
V2.50 14 Nov 2002  (c) 2000-2002 John Lim (jlim@natsoft.com.my). 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://php.weblogs.com/
  
  Oracle support via ODBC. Requires ODBC. Works on Windows. 
*/

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

 
class  ADODB_odbc_oracle extends ADODB_odbc {	
	var $databaseType = 'odbc_oracle';
 	var $replaceQuote = "''"; // string to use to replace quotes
	var $concat_operator='||';
	var $fmtDate = "'Y-m-d 00:00:00'"; 
	var $fmtTimeStamp = "'Y-m-d h:i:sA'";
	var $metaTablesSQL = 'select table_name from cat';
	var $metaColumnsSQL = "select cname,coltype,width from col where tname='%s' order by colno";
	var $sysDate = "TRUNC(SYSDATE)";
	var $sysTimeStamp = 'SYSDATE';
	
	//var $_bindInputArray = false;
	
	function ADODB_odbc_oracle()
	{
		$this->ADODB_odbc();
	}
		
	function &MetaTables() 
	{
		if ($this->metaTablesSQL) {
			$rs = $this->Execute($this->metaTablesSQL);
			if ($rs === false) return false;
			$arr = $rs->GetArray();
			$arr2 = array();
			for ($i=0; $i < sizeof($arr); $i++) {
				$arr2[] = $arr[$i][0];
			}
			$rs->Close();
			return $arr2;
		}
		return false;
	}
	
	function &MetaColumns($table) 
	{
		if (!empty($this->metaColumnsSQL)) {
		
			$rs = $this->Execute(sprintf($this->metaColumnsSQL,strtoupper($table)));
			if ($rs === false) return false;

			$retarr = array();
			while (!$rs->EOF) { //print_r($rs->fields);
				$fld = new ADOFieldObject();
				$fld->name = $rs->fields[0];
				$fld->type = $rs->fields[1];
				$fld->max_length = $rs->fields[2];
				$retarr[strtoupper($fld->name)] = $fld;	
				
				$rs->MoveNext();
			}
			$rs->Close();
			return $retarr;	
		}
		return false;
	}

	// returns true or false
	function _connect($argDSN, $argUsername, $argPassword, $argDatabasename)
	{
	global $php_errormsg;
	
		$php_errormsg = '';
		$this->_connectionID = odbc_connect($argDSN,$argUsername,$argPassword,SQL_CUR_USE_ODBC );
		$this->_errorMsg = $php_errormsg;
		
		$this->Execute("ALTER SESSION SET NLS_DATE_FORMAT='YYYY-MM-DD HH24:MI:SS'");
		//if ($this->_connectionID) odbc_autocommit($this->_connectionID,true);
		return $this->_connectionID != false;
	}
	// returns true or false
	function _pconnect($argDSN, $argUsername, $argPassword, $argDatabasename)
	{
	global $php_errormsg;
		$php_errormsg = '';
		$this->_connectionID = odbc_pconnect($argDSN,$argUsername,$argPassword,SQL_CUR_USE_ODBC );
		$this->_errorMsg = $php_errormsg;
		
		$this->Execute("ALTER SESSION SET NLS_DATE_FORMAT='YYYY-MM-DD HH24:MI:SS'");
		//if ($this->_connectionID) odbc_autocommit($this->_connectionID,true);
		return $this->_connectionID != false;
	}
} 
 
class  ADORecordSet_odbc_oracle extends ADORecordSet_odbc {	
	
	var $databaseType = 'odbc_oracle';
	
	function ADORecordSet_odbc_oracle($id)
	{
		return $this->ADORecordSet_odbc($id);
	}
}
?>