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system/database/drivers/oci8/oci8_result.php

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+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package		CodeIgniter
+ * @author		ExpressionEngine Dev Team
+ * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * oci8 Result Class
+ *
+ * This class extends the parent result class: CI_DB_result
+ *
+ * @category	Database
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_oci8_result extends CI_DB_result {
+
+	var $stmt_id;
+	var $curs_id;
+	var $limit_used;
+
+	/**
+	 * Number of rows in the result set.
+	 *
+	 * Oracle doesn't have a graceful way to retun the number of rows
+	 * so we have to use what amounts to a hack.
+	 *
+	 *
+	 * @access  public
+	 * @return  integer
+	 */
+	function num_rows()
+	{
+		$rowcount = count($this->result_array());
+		@ociexecute($this->stmt_id);
+
+		if ($this->curs_id)
+		{
+			@ociexecute($this->curs_id);
+		}
+
+		return $rowcount;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Number of fields in the result set
+	 *
+	 * @access  public
+	 * @return  integer
+	 */
+	function num_fields()
+	{
+		$count = @ocinumcols($this->stmt_id);
+
+		// if we used a limit we subtract it
+		if ($this->limit_used)
+		{
+			$count = $count - 1;
+		}
+
+		return $count;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Fetch Field Names
+	 *
+	 * Generates an array of column names
+	 *
+	 * @access	public
+	 * @return	array
+	 */
+	function list_fields()
+	{
+		$field_names = array();
+		$fieldCount = $this->num_fields();
+		for ($c = 1; $c <= $fieldCount; $c++)
+		{
+			$field_names[] = ocicolumnname($this->stmt_id, $c);
+		}
+		return $field_names;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Field data
+	 *
+	 * Generates an array of objects containing field meta-data
+	 *
+	 * @access  public
+	 * @return  array
+	 */
+	function field_data()
+	{
+		$retval = array();
+		$fieldCount = $this->num_fields();
+		for ($c = 1; $c <= $fieldCount; $c++)
+		{
+			$F				= new stdClass();
+			$F->name		= ocicolumnname($this->stmt_id, $c);
+			$F->type		= ocicolumntype($this->stmt_id, $c);
+			$F->max_length  = ocicolumnsize($this->stmt_id, $c);
+
+			$retval[] = $F;
+		}
+
+		return $retval;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Free the result
+	 *
+	 * @return	null
+	 */
+	function free_result()
+	{
+		if (is_resource($this->result_id))
+		{
+			ocifreestatement($this->result_id);
+			$this->result_id = FALSE;
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Result - associative array
+	 *
+	 * Returns the result set as an array
+	 *
+	 * @access  private
+	 * @return  array
+	 */
+	function _fetch_assoc(&$row)
+	{
+		$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
+
+		return ocifetchinto($id, $row, OCI_ASSOC + OCI_RETURN_NULLS);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Result - object
+	 *
+	 * Returns the result set as an object
+	 *
+	 * @access  private
+	 * @return  object
+	 */
+	function _fetch_object()
+	{
+		$result = array();
+
+		// If PHP 5 is being used we can fetch an result object
+		if (function_exists('oci_fetch_object'))
+		{
+			$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
+
+			return @oci_fetch_object($id);
+		}
+
+		// If PHP 4 is being used we have to build our own result
+		foreach ($this->result_array() as $key => $val)
+		{
+			$obj = new stdClass();
+			if (is_array($val))
+			{
+				foreach ($val as $k => $v)
+				{
+					$obj->$k = $v;
+				}
+			}
+			else
+			{
+				$obj->$key = $val;
+			}
+
+			$result[] = $obj;
+		}
+
+		return $result;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Query result.  "array" version.
+	 *
+	 * @access  public
+	 * @return  array
+	 */
+	function result_array()
+	{
+		if (count($this->result_array) > 0)
+		{
+			return $this->result_array;
+		}
+
+		// oracle's fetch functions do not return arrays.
+		// The information is returned in reference parameters
+		$row = NULL;
+		while ($this->_fetch_assoc($row))
+		{
+			$this->result_array[] = $row;
+		}
+
+		return $this->result_array;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Data Seek
+	 *
+	 * Moves the internal pointer to the desired offset.  We call
+	 * this internally before fetching results to make sure the
+	 * result set starts at zero
+	 *
+	 * @access	private
+	 * @return	array
+	 */
+	function _data_seek($n = 0)
+	{
+		return FALSE; // Not needed
+	}
+
+}
+
+
+/* End of file oci8_result.php */
+/* Location: ./system/database/drivers/oci8/oci8_result.php */