From 5c3a202ab17ac76f7611ee662032e4f39371ff4c Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Fri, 7 Oct 2011 21:04:58 +0300
Subject: Cleanup and migrate oci8_driver and oci8_result from deprecated PHP4
 to PHP5 style functions

---
 system/database/drivers/oci8/oci8_driver.php | 116 ++++++++++++++-------------
 system/database/drivers/oci8/oci8_result.php |  85 +++++++-------------
 2 files changed, 86 insertions(+), 115 deletions(-)

(limited to 'system/database/drivers')

diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index 1cf063ec1..9f969f9a8 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -35,8 +35,6 @@
  * This is a modification of the DB_driver class to
  * permit access to oracle databases
  *
- * NOTE: this uses the PHP 4 oci methods
- *
  * @author	  Kelly McArdle
  *
  */
@@ -77,9 +75,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @access  private called by the base class
 	 * @return  resource
 	 */
-	function db_connect()
+	public function db_connect()
 	{
-		return @ocilogon($this->username, $this->password, $this->hostname, $this->char_set);
+		return @oci_connect($this->username, $this->password, $this->hostname, $this->char_set);
 	}
 
 	// --------------------------------------------------------------------
@@ -90,9 +88,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @access  private called by the base class
 	 * @return  resource
 	 */
-	function db_pconnect()
+	public function db_pconnect()
 	{
-		return @ociplogon($this->username, $this->password, $this->hostname, $this->char_set);
+		return @oci_pconnect($this->username, $this->password, $this->hostname, $this->char_set);
 	}
 
 	// --------------------------------------------------------------------
@@ -106,9 +104,10 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @access	public
 	 * @return	void
 	 */
-	function reconnect()
+	public function reconnect()
 	{
 		// not implemented in oracle
+		return;
 	}
 
 	// --------------------------------------------------------------------
@@ -119,8 +118,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @access  private called by the base class
 	 * @return  resource
 	 */
-	function db_select()
+	public function db_select()
 	{
+		// Not in Oracle - schemas are actually usernames
 		return TRUE;
 	}
 
@@ -134,7 +134,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param	string
 	 * @return	resource
 	 */
-	function db_set_charset($charset, $collation)
+	public function db_set_charset($charset, $collation)
 	{
 		// this is done upon connect
 		return TRUE;
@@ -148,9 +148,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @access  public
 	 * @return  string
 	 */
-	function _version()
+	public function _version()
 	{
-		return ociserverversion($this->conn_id);
+		return oci_server_version($this->conn_id);
 	}
 
 	// --------------------------------------------------------------------
@@ -158,18 +158,18 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Execute the query
 	 *
-	 * @access  private called by the base class
+	 * @access  public  called by the base class
 	 * @param   string  an SQL query
 	 * @return  resource
 	 */
-	function _execute($sql)
+	public function _execute($sql)
 	{
 		// oracle must parse the query before it is run. All of the actions with
 		// the query are based on the statement id returned by ociparse
 		$this->stmt_id = FALSE;
 		$this->_set_stmt_id($sql);
-		ocisetprefetch($this->stmt_id, 1000);
-		return @ociexecute($this->stmt_id, $this->_commit);
+		oci_set_prefetch($this->stmt_id, 1000);
+		return @oci_execute($this->stmt_id, $this->_commit);
 	}
 
 	/**
@@ -179,11 +179,11 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param   string  an SQL query
 	 * @return  none
 	 */
-	function _set_stmt_id($sql)
+	private function _set_stmt_id($sql)
 	{
 		if ( ! is_resource($this->stmt_id))
 		{
-			$this->stmt_id = ociparse($this->conn_id, $this->_prep_query($sql));
+			$this->stmt_id = oci_parse($this->conn_id, $this->_prep_query($sql));
 		}
 	}
 
@@ -198,7 +198,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param   string  an SQL query
 	 * @return  string
 	 */
-	function _prep_query($sql)
+	private function _prep_query($sql)
 	{
 		return $sql;
 	}
@@ -211,9 +211,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @access  public
 	 * @return  cursor id
 	 */
-	function get_cursor()
+	public function get_cursor()
 	{
-		$this->curs_id = ocinewcursor($this->conn_id);
+		$this->curs_id = oci_new_cursor($this->conn_id);
 		return $this->curs_id;
 	}
 
@@ -237,7 +237,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * type		yes		the type of the parameter
 	 * length	yes		the max size of the parameter
 	 */
-	function stored_procedure($package, $procedure, $params)
+	public function stored_procedure($package, $procedure, $params)
 	{
 		if ($package == '' OR $procedure == '' OR ! is_array($params))
 		{
@@ -257,7 +257,7 @@ class CI_DB_oci8_driver extends CI_DB {
 		{
 			$sql .= $param['name'] . ",";
 
-			if (array_key_exists('type', $param) && ($param['type'] == OCI_B_CURSOR))
+			if (array_key_exists('type', $param) && ($param['type'] === OCI_B_CURSOR))
 			{
 				$have_cursor = TRUE;
 			}
@@ -278,7 +278,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @access  private
 	 * @return  none
 	 */
-	function _bind_params($params)
+	private function _bind_params($params)
 	{
 		if ( ! is_array($params) OR ! is_resource($this->stmt_id))
 		{
@@ -295,7 +295,7 @@ class CI_DB_oci8_driver extends CI_DB {
 				}
 			}
 
-			ocibindbyname($this->stmt_id, $param['name'], $param['value'], $param['length'], $param['type']);
+			oci_bind_by_name($this->stmt_id, $param['name'], $param['value'], $param['length'], $param['type']);
 		}
 	}
 
@@ -307,7 +307,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @access	public
 	 * @return	bool
 	 */
-	function trans_begin($test_mode = FALSE)
+	public function trans_begin($test_mode = FALSE)
 	{
 		if ( ! $this->trans_enabled)
 		{
@@ -337,7 +337,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @access	public
 	 * @return	bool
 	 */
-	function trans_commit()
+	public function trans_commit()
 	{
 		if ( ! $this->trans_enabled)
 		{
@@ -350,7 +350,7 @@ class CI_DB_oci8_driver extends CI_DB {
 			return TRUE;
 		}
 
-		$ret = OCIcommit($this->conn_id);
+		$ret = oci_commit($this->conn_id);
 		$this->_commit = OCI_COMMIT_ON_SUCCESS;
 		return $ret;
 	}
@@ -363,7 +363,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @access	public
 	 * @return	bool
 	 */
-	function trans_rollback()
+	public function trans_rollback()
 	{
 		if ( ! $this->trans_enabled)
 		{
@@ -376,7 +376,7 @@ class CI_DB_oci8_driver extends CI_DB {
 			return TRUE;
 		}
 
-		$ret = OCIrollback($this->conn_id);
+		$ret = oci_rollback($this->conn_id);
 		$this->_commit = OCI_COMMIT_ON_SUCCESS;
 		return $ret;
 	}
@@ -391,7 +391,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param	bool	whether or not the string will be used in a LIKE condition
 	 * @return  string
 	 */
-	function escape_str($str, $like = FALSE)
+	public function escape_str($str, $like = FALSE)
 	{
 		if (is_array($str))
 		{
@@ -425,9 +425,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @access  public
 	 * @return  integer
 	 */
-	function affected_rows()
+	public function affected_rows()
 	{
-		return @ocirowcount($this->stmt_id);
+		return @oci_num_rows($this->stmt_id);
 	}
 
 	// --------------------------------------------------------------------
@@ -438,7 +438,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @access  public
 	 * @return  integer
 	 */
-	function insert_id()
+	public function insert_id()
 	{
 		// not supported in oracle
 		return $this->display_error('db_unsupported_function');
@@ -456,7 +456,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param   string
 	 * @return  string
 	 */
-	function count_all($table = '')
+	public function count_all($table = '')
 	{
 		if ($table == '')
 		{
@@ -482,11 +482,11 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * Generates a platform-specific query string so that the table names can be fetched
 	 *
-	 * @access  private
+	 * @access	public
 	 * @param	boolean
-	 * @return  string
+	 * @return	string
 	 */
-	function _list_tables($prefix_limit = FALSE)
+	public function _list_tables($prefix_limit = FALSE)
 	{
 		$sql = "SELECT TABLE_NAME FROM ALL_TABLES";
 
@@ -509,7 +509,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param   string  the table name
 	 * @return  string
 	 */
-	function _list_columns($table = '')
+	public function _list_columns($table = '')
 	{
 		return "SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = '$table'";
 	}
@@ -525,7 +525,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param   string  the table name
 	 * @return  object
 	 */
-	function _field_data($table)
+	public function _field_data($table)
 	{
 		return "SELECT * FROM ".$table." where rownum = 1";
 	}
@@ -535,12 +535,13 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * The error message string
 	 *
-	 * @access  private
+	 * @access  public
 	 * @return  string
 	 */
-	function _error_message()
+	public function _error_message()
 	{
-		$error = ocierror($this->conn_id);
+		// If the error was during connection, no conn_id should be passed
+		$error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
 		return $error['message'];
 	}
 
@@ -549,12 +550,13 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * The error message number
 	 *
-	 * @access  private
+	 * @access  public
 	 * @return  integer
 	 */
-	function _error_number()
+	public function _error_number()
 	{
-		$error = ocierror($this->conn_id);
+		// Same as _error_message()
+		$error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
 		return $error['code'];
 	}
 
@@ -565,11 +567,11 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * This function escapes column and table names
 	 *
-	 * @access	private
+	 * @access	public
 	 * @param	string
 	 * @return	string
 	 */
-	function _escape_identifiers($item)
+	public function _escape_identifiers($item)
 	{
 		if ($this->_escape_char == '')
 		{
@@ -612,7 +614,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param	type
 	 * @return	type
 	 */
-	function _from_tables($tables)
+	public function _from_tables($tables)
 	{
 		if ( ! is_array($tables))
 		{
@@ -635,9 +637,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param   array   the insert values
 	 * @return  string
 	 */
-	function _insert($table, $keys, $values)
+	public function _insert($table, $keys, $values)
 	{
-	return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+		return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
 	}
 
 	// --------------------------------------------------------------------
@@ -653,7 +655,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param       array   the insert values
 	 * @return      string
 	 */
-	function _insert_batch($table, $keys, $values)
+	public function _insert_batch($table, $keys, $values)
 	{
 		$keys = implode(', ', $keys);
 		$sql = "INSERT ALL\n";
@@ -683,7 +685,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param	array	the limit clause
 	 * @return	string
 	 */
-	function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+	public function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
 	{
 		foreach ($values as $key => $val)
 		{
@@ -716,7 +718,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param	string	the table name
 	 * @return	string
 	 */
-	function _truncate($table)
+	public function _truncate($table)
 	{
 		return "TRUNCATE TABLE ".$table;
 	}
@@ -734,7 +736,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param	string	the limit clause
 	 * @return	string
 	 */
-	function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+	public function _delete($table, $where = array(), $like = array(), $limit = FALSE)
 	{
 		$conditions = '';
 
@@ -768,7 +770,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param   integer the offset value
 	 * @return  string
 	 */
-	function _limit($sql, $limit, $offset)
+	public function _limit($sql, $limit, $offset)
 	{
 		$limit = $offset + $limit;
 		$newsql = "SELECT * FROM (select inner_query.*, rownum rnum FROM ($sql) inner_query WHERE rownum < $limit)";
@@ -793,9 +795,9 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param   resource
 	 * @return  void
 	 */
-	function _close($conn_id)
+	public function _close($conn_id)
 	{
-		@ocilogoff($conn_id);
+		@oci_close($conn_id);
 	}
 
 
diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php
index 2713f6f12..31e3ca015 100644
--- a/system/database/drivers/oci8/oci8_result.php
+++ b/system/database/drivers/oci8/oci8_result.php
@@ -40,16 +40,16 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 * @access  public
 	 * @return  integer
 	 */
-	function num_rows()
+	public function num_rows()
 	{
 		if ($this->num_rows === 0 && count($this->result_array()) > 0)
 		{
 			$this->num_rows = count($this->result_array());
-			@ociexecute($this->stmt_id);
+			@oci_execute($this->stmt_id);
 
 			if ($this->curs_id)
 			{
-				@ociexecute($this->curs_id);
+				@oci_execute($this->curs_id);
 			}
 		}
 
@@ -64,9 +64,9 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 * @access  public
 	 * @return  integer
 	 */
-	function num_fields()
+	public function num_fields()
 	{
-		$count = @ocinumcols($this->stmt_id);
+		$count = @oci_num_fields($this->stmt_id);
 
 		// if we used a limit we subtract it
 		if ($this->limit_used)
@@ -87,13 +87,12 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 * @access	public
 	 * @return	array
 	 */
-	function list_fields()
+	public function list_fields()
 	{
 		$field_names = array();
-		$fieldCount = $this->num_fields();
-		for ($c = 1; $c <= $fieldCount; $c++)
+		for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
 		{
-			$field_names[] = ocicolumnname($this->stmt_id, $c);
+			$field_names[] = oci_field_name($this->stmt_id, $c);
 		}
 		return $field_names;
 	}
@@ -108,16 +107,15 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 * @access  public
 	 * @return  array
 	 */
-	function field_data()
+	public function field_data()
 	{
 		$retval = array();
-		$fieldCount = $this->num_fields();
-		for ($c = 1; $c <= $fieldCount; $c++)
+		for ($c = 1, $fieldCount = $this->num_fields(); $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);
+			$F			= new stdClass();
+			$F->name		= oci_field_name($this->stmt_id, $c);
+			$F->type		= oci_field_type($this->stmt_id, $c);
+			$F->max_length		= oci_field_size($this->stmt_id, $c);
 
 			$retval[] = $F;
 		}
@@ -132,11 +130,11 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 *
 	 * @return	null
 	 */
-	function free_result()
+	public function free_result()
 	{
 		if (is_resource($this->result_id))
 		{
-			ocifreestatement($this->result_id);
+			oci_free_statement($this->result_id);
 			$this->result_id = FALSE;
 		}
 	}
@@ -148,14 +146,13 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 *
 	 * Returns the result set as an array
 	 *
-	 * @access  private
+	 * @access  public
 	 * @return  array
 	 */
-	function _fetch_assoc(&$row)
+	public function _fetch_assoc()
 	{
 		$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
-
-		return ocifetchinto($id, $row, OCI_ASSOC + OCI_RETURN_NULLS);
+		return oci_fetch_assoc($id);
 	}
 
 	// --------------------------------------------------------------------
@@ -165,41 +162,13 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 *
 	 * Returns the result set as an object
 	 *
-	 * @access  private
+	 * @access  public
 	 * @return  object
 	 */
-	function _fetch_object()
+	public 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;
+		$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
+		return @oci_fetch_object($id);
 	}
 
 	// --------------------------------------------------------------------
@@ -210,7 +179,7 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 * @access  public
 	 * @return  array
 	 */
-	function result_array()
+	public function result_array()
 	{
 		if (count($this->result_array) > 0)
 		{
@@ -220,7 +189,7 @@ class CI_DB_oci8_result extends CI_DB_result {
 		// oracle's fetch functions do not return arrays.
 		// The information is returned in reference parameters
 		$row = NULL;
-		while ($this->_fetch_assoc($row))
+		while ($row = $this->_fetch_assoc())
 		{
 			$this->result_array[] = $row;
 		}
@@ -237,10 +206,10 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 * this internally before fetching results to make sure the
 	 * result set starts at zero
 	 *
-	 * @access	private
+	 * @access	public
 	 * @return	array
 	 */
-	function _data_seek($n = 0)
+	public function _data_seek($n = 0)
 	{
 		return FALSE; // Not needed
 	}
-- 
cgit v1.2.3-24-g4f1b


From 56b21e1233855e9ea87ece7bb92e7994042b9cb3 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Fri, 7 Oct 2011 21:17:11 +0300
Subject: Remove another 2 old comments

---
 system/database/drivers/oci8/oci8_result.php | 2 --
 1 file changed, 2 deletions(-)

(limited to 'system/database/drivers')

diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php
index 31e3ca015..60c9a3f43 100644
--- a/system/database/drivers/oci8/oci8_result.php
+++ b/system/database/drivers/oci8/oci8_result.php
@@ -186,8 +186,6 @@ class CI_DB_oci8_result extends CI_DB_result {
 			return $this->result_array;
 		}
 
-		// oracle's fetch functions do not return arrays.
-		// The information is returned in reference parameters
 		$row = NULL;
 		while ($row = $this->_fetch_assoc())
 		{
-- 
cgit v1.2.3-24-g4f1b


From bc95e47181dd8341c10c0437f27609746211ebcd Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Thu, 20 Oct 2011 09:44:48 +0300
Subject: Some public and protected method declarations

---
 system/database/drivers/oci8/oci8_driver.php | 60 ++++++++++++++--------------
 system/database/drivers/oci8/oci8_result.php | 12 +++---
 2 files changed, 36 insertions(+), 36 deletions(-)

(limited to 'system/database/drivers')

diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index 9f969f9a8..cc7af9505 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -145,10 +145,10 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Version number query string
 	 *
-	 * @access  public
+	 * @access  protected
 	 * @return  string
 	 */
-	public function _version()
+	protected function _version()
 	{
 		return oci_server_version($this->conn_id);
 	}
@@ -158,11 +158,11 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Execute the query
 	 *
-	 * @access  public  called by the base class
+	 * @access  protected  called by the base class
 	 * @param   string  an SQL query
 	 * @return  resource
 	 */
-	public function _execute($sql)
+	protected function _execute($sql)
 	{
 		// oracle must parse the query before it is run. All of the actions with
 		// the query are based on the statement id returned by ociparse
@@ -482,11 +482,11 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * Generates a platform-specific query string so that the table names can be fetched
 	 *
-	 * @access	public
+	 * @access	protected
 	 * @param	boolean
 	 * @return	string
 	 */
-	public function _list_tables($prefix_limit = FALSE)
+	protected function _list_tables($prefix_limit = FALSE)
 	{
 		$sql = "SELECT TABLE_NAME FROM ALL_TABLES";
 
@@ -505,11 +505,11 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * Generates a platform-specific query string so that the column names can be fetched
 	 *
-	 * @access  public
+	 * @access  protected
 	 * @param   string  the table name
 	 * @return  string
 	 */
-	public function _list_columns($table = '')
+	protected function _list_columns($table = '')
 	{
 		return "SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = '$table'";
 	}
@@ -525,7 +525,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param   string  the table name
 	 * @return  object
 	 */
-	public function _field_data($table)
+	protected function _field_data($table)
 	{
 		return "SELECT * FROM ".$table." where rownum = 1";
 	}
@@ -535,10 +535,10 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * The error message string
 	 *
-	 * @access  public
+	 * @access  protected
 	 * @return  string
 	 */
-	public function _error_message()
+	protected function _error_message()
 	{
 		// If the error was during connection, no conn_id should be passed
 		$error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
@@ -550,10 +550,10 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * The error message number
 	 *
-	 * @access  public
+	 * @access  protected
 	 * @return  integer
 	 */
-	public function _error_number()
+	protected function _error_number()
 	{
 		// Same as _error_message()
 		$error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
@@ -567,11 +567,11 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * This function escapes column and table names
 	 *
-	 * @access	public
+	 * @access	protected
 	 * @param	string
 	 * @return	string
 	 */
-	public function _escape_identifiers($item)
+	protected function _escape_identifiers($item)
 	{
 		if ($this->_escape_char == '')
 		{
@@ -610,11 +610,11 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * This function implicitly groups FROM tables so there is no confusion
 	 * about operator precedence in harmony with SQL standards
 	 *
-	 * @access	public
+	 * @access	protected
 	 * @param	type
 	 * @return	type
 	 */
-	public function _from_tables($tables)
+	protected function _from_tables($tables)
 	{
 		if ( ! is_array($tables))
 		{
@@ -637,7 +637,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param   array   the insert values
 	 * @return  string
 	 */
-	public function _insert($table, $keys, $values)
+	protected function _insert($table, $keys, $values)
 	{
 		return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
 	}
@@ -649,13 +649,13 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * Generates a platform-specific insert string from the supplied data
 	 *
-	 * @access      public
+	 * @access      protected
 	 * @param       string  the table name
 	 * @param       array   the insert keys
 	 * @param       array   the insert values
 	 * @return      string
 	 */
-	public function _insert_batch($table, $keys, $values)
+	protected function _insert_batch($table, $keys, $values)
 	{
 		$keys = implode(', ', $keys);
 		$sql = "INSERT ALL\n";
@@ -677,7 +677,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * Generates a platform-specific update string from the supplied data
 	 *
-	 * @access	public
+	 * @access	protected
 	 * @param	string	the table name
 	 * @param	array	the update data
 	 * @param	array	the where clause
@@ -685,7 +685,7 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * @param	array	the limit clause
 	 * @return	string
 	 */
-	public function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+	protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
 	{
 		foreach ($values as $key => $val)
 		{
@@ -714,11 +714,11 @@ class CI_DB_oci8_driver extends CI_DB {
 	 * If the database does not support the truncate() command
 	 * This function maps to "DELETE FROM table"
 	 *
-	 * @access	public
+	 * @access	protected
 	 * @param	string	the table name
 	 * @return	string
 	 */
-	public function _truncate($table)
+	protected function _truncate($table)
 	{
 		return "TRUNCATE TABLE ".$table;
 	}
@@ -730,13 +730,13 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * Generates a platform-specific delete string from the supplied data
 	 *
-	 * @access	public
+	 * @access	protected
 	 * @param	string	the table name
 	 * @param	array	the where clause
 	 * @param	string	the limit clause
 	 * @return	string
 	 */
-	public function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+	protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
 	{
 		$conditions = '';
 
@@ -764,13 +764,13 @@ class CI_DB_oci8_driver extends CI_DB {
 	 *
 	 * Generates a platform-specific LIMIT clause
 	 *
-	 * @access  public
+	 * @access  protected
 	 * @param   string  the sql query string
 	 * @param   integer the number of rows to limit the query to
 	 * @param   integer the offset value
 	 * @return  string
 	 */
-	public function _limit($sql, $limit, $offset)
+	protected function _limit($sql, $limit, $offset)
 	{
 		$limit = $offset + $limit;
 		$newsql = "SELECT * FROM (select inner_query.*, rownum rnum FROM ($sql) inner_query WHERE rownum < $limit)";
@@ -791,11 +791,11 @@ class CI_DB_oci8_driver extends CI_DB {
 	/**
 	 * Close DB Connection
 	 *
-	 * @access  public
+	 * @access  protected
 	 * @param   resource
 	 * @return  void
 	 */
-	public function _close($conn_id)
+	protected function _close($conn_id)
 	{
 		@oci_close($conn_id);
 	}
diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php
index 60c9a3f43..2b5748f65 100644
--- a/system/database/drivers/oci8/oci8_result.php
+++ b/system/database/drivers/oci8/oci8_result.php
@@ -146,10 +146,10 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 *
 	 * Returns the result set as an array
 	 *
-	 * @access  public
+	 * @access  protected
 	 * @return  array
 	 */
-	public function _fetch_assoc()
+	protected function _fetch_assoc()
 	{
 		$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
 		return oci_fetch_assoc($id);
@@ -162,10 +162,10 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 *
 	 * Returns the result set as an object
 	 *
-	 * @access  public
+	 * @access  protected
 	 * @return  object
 	 */
-	public function _fetch_object()
+	protected function _fetch_object()
 	{
 		$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
 		return @oci_fetch_object($id);
@@ -204,10 +204,10 @@ class CI_DB_oci8_result extends CI_DB_result {
 	 * this internally before fetching results to make sure the
 	 * result set starts at zero
 	 *
-	 * @access	public
+	 * @access	protected
 	 * @return	array
 	 */
-	public function _data_seek($n = 0)
+	protected function _data_seek($n = 0)
 	{
 		return FALSE; // Not needed
 	}
-- 
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