Merge upstream

14 files changed, 153 insertions, 278 deletions

diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php
index 42f08fbf6..cb33919a4 100644
--- a/system/database/drivers/cubrid/cubrid_driver.php
+++ b/system/database/drivers/cubrid/cubrid_driver.php
@@ -453,31 +453,18 @@ class CI_DB_cubrid_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The error message string
+	 * Error
 	 *
-	 * @access	private
-	 * @return	string
-	 */
-	function _error_message()
-	{
-		return cubrid_error($this->conn_id);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * The error message number
+	 * Returns an array containing code and message of the last
+	 * database error that has occured.
 	 *
-	 * @access	private
-	 * @return	integer
+	 * @return	array
 	 */
-	function _error_number()
+	public function error()
 	{
-		return cubrid_errno($this->conn_id);
+		return array('code' => cubrid_errno($this->conn_id), 'message' => cubrid_error($this->conn_id));
 	}
 
-	// --------------------------------------------------------------------
-
 	/**
 	 * Escape the SQL Identifiers
 	 *
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index 2a4f2b575..188c91f9b 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -438,28 +438,18 @@ class CI_DB_mssql_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The error message string
+	 * Error
 	 *
-	 * @access	private
-	 * @return	string
-	 */
-	function _error_message()
-	{
-		return mssql_get_last_message();
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * The error message number
+	 * Returns an array containing code and message of the last
+	 * database error that has occured.
 	 *
-	 * @access	private
-	 * @return	integer
+	 * @return	array
 	 */
-	function _error_number()
+	public function error()
 	{
-		// Are error numbers supported?
-		return '';
+		$query = $this->query('SELECT @@ERROR AS code');
+		$query = $query->row();
+		return array('code' => $query->code, 'message' => mssql_get_last_message());
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index c88a8a766..a7f08d1a8 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -417,25 +417,16 @@ class CI_DB_mysql_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The error message string
+	 * Error
 	 *
-	 * @return	string
-	 */
-	protected function _error_message()
-	{
-		return mysql_error($this->conn_id);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * The error message number
+	 * Returns an array containing code and message of the last
+	 * database error that has occured.
 	 *
-	 * @return	int
+	 * @return	array
 	 */
-	protected function _error_number()
+	public function error()
 	{
-		return mysql_errno($this->conn_id);
+		return array('code' => mysql_errno($this->conn_id), 'message' => mysql_error($this->conn_id));
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php
index 8f04a936d..5a65d9c72 100644
--- a/system/database/drivers/mysql/mysql_result.php
+++ b/system/database/drivers/mysql/mysql_result.php
@@ -90,18 +90,14 @@ class CI_DB_mysql_result extends CI_DB_result {
 	public function field_data()
 	{
 		$retval = array();
-		while ($field = mysql_fetch_object($this->result_id))
+		for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
 		{
-			preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches);
-
-			$F		= new stdClass();
-			$F->name	= $field->Field;
-			$F->type	= ( ! empty($matches[1])) ? $matches[1] : NULL;
-			$F->default	= $field->Default;
-			$F->max_length	= ( ! empty($matches[2])) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
-			$F->primary_key = (int) ($field->Key === 'PRI');
-
-			$retval[] = $F;
+			$retval[$i]			= new stdClass();
+			$retval[$i]->name		= mysql_field_name($this->result_id, $i);
+			$retval[$i]->type		= mysql_field_type($this->result_id, $i);
+			$retval[$i]->max_length		= mysql_field_len($this->result_id, $i);
+			$retval[$i]->primary_key	= (strpos(mysql_field_flags($this->result_id, $i), 'primary_key') === FALSE) ? 0 : 1;
+			$retval[$i]->default		= '';
 		}
 
 		return $retval;
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index dbba12e15..031371345 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -418,25 +418,16 @@ class CI_DB_mysqli_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The error message string
+	 * Error
 	 *
-	 * @return	string
-	 */
-	protected function _error_message()
-	{
-		return mysqli_error($this->conn_id);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * The error message number
+	 * Returns an array containing code and message of the last
+	 * database error that has occured.
 	 *
-	 * @return	int
+	 * @return	array
 	 */
-	protected function _error_number()
+	public function error()
 	{
-		return mysqli_errno($this->conn_id);
+		return array('code' => mysqli_errno($this->conn_id), 'message' => mysqli_error($this->conn_id));
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php
index 0a50cccac..8b909cc56 100644
--- a/system/database/drivers/mysqli/mysqli_result.php
+++ b/system/database/drivers/mysqli/mysqli_result.php
@@ -90,18 +90,15 @@ class CI_DB_mysqli_result extends CI_DB_result {
 	public function field_data()
 	{
 		$retval = array();
-		while ($field = mysqli_fetch_object($this->result_id))
+		$field_data = mysqli_fetch_fields($this->result_id);
+		for ($i = 0, $c = count($field_data); $i < $c; $i++)
 		{
-			preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches);
-
-			$F		= new stdClass();
-			$F->name	= $field->Field;
-			$F->type	= ( ! empty($matches[1])) ? $matches[1] : NULL;
-			$F->default	= $field->Default;
-			$F->max_length	= ( ! empty($matches[2])) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
-			$F->primary_key = (int) ($field->Key === 'PRI');
-
-			$retval[] = $F;
+			$retval[$i]			= new stdClass();
+			$retval[$i]->name		= $field_data[$i]->name;
+			$retval[$i]->type		= $field_data[$i]->type;
+			$retval[$i]->max_length		= $field_data[$i]->max_length;
+			$retval[$i]->primary_key	= (int) ($field_data[$i]->flags & 2);
+			$retval[$i]->default		= '';
 		}
 
 		return $retval;
diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index d9acaaea6..97efb4647 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -527,31 +527,32 @@ class CI_DB_oci8_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The error message string
+	 * Error
 	 *
-	 * @access  protected
-	 * @return  string
-	 */
-	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();
-		return $error['message'];
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * The error message number
+	 * Returns an array containing code and message of the last
+	 * database error that has occured.
 	 *
-	 * @access  protected
-	 * @return  integer
+	 * @return	array
 	 */
-	protected function _error_number()
+	public function error()
 	{
-		// Same as _error_message()
-		$error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
-		return $error['code'];
+		/* oci_error() returns an array that already contains the
+		 * 'code' and 'message' keys, so we can just return it.
+		 */
+		if (is_resource($this->curs_id))
+		{
+			return oci_error($this->curs_id);
+		}
+		elseif (is_resource($this->stmt_id))
+		{
+			return oci_error($this->stmt_id);
+		}
+		elseif (is_resource($this->conn_id))
+		{
+			return oci_error($this->conn_id);
+		}
+
+		return oci_error();
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/oci8/oci8_forge.php b/system/database/drivers/oci8/oci8_forge.php
index b4a24cdca..0aa119907 100644
--- a/system/database/drivers/oci8/oci8_forge.php
+++ b/system/database/drivers/oci8/oci8_forge.php
@@ -67,15 +67,14 @@ class CI_DB_oci8_forge extends CI_DB_forge {
 	/**
 	 * Create Table
 	 *
-	 * @access	private
 	 * @param	string	the table name
 	 * @param	array	the fields
 	 * @param	mixed	primary key(s)
 	 * @param	mixed	key(s)
-	 * @param	boolean	should 'IF NOT EXISTS' be added to the SQL
+	 * @param	bool	should 'IF NOT EXISTS' be added to the SQL
 	 * @return	bool
 	 */
-	function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+	public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
 	{
 		$sql = 'CREATE TABLE ';
 
@@ -84,54 +83,27 @@ class CI_DB_oci8_forge extends CI_DB_forge {
 			$sql .= 'IF NOT EXISTS ';
 		}
 
-		$sql .= $this->db->_escape_identifiers($table)." (";
+		$sql .= $this->db->_escape_identifiers($table).' (';
 		$current_field_count = 0;
 
-		foreach ($fields as $field=>$attributes)
+		foreach ($fields as $field => $attributes)
 		{
 			// Numeric field names aren't allowed in databases, so if the key is
 			// numeric, we know it was assigned by PHP and the developer manually
 			// entered the field information, so we'll simply add it to the list
 			if (is_numeric($field))
 			{
-				$sql .= "\n\t$attributes";
+				$sql .= "\n\t".$attributes;
 			}
 			else
 			{
 				$attributes = array_change_key_case($attributes, CASE_UPPER);
 
-				$sql .= "\n\t".$this->db->_protect_identifiers($field);
-
-				$sql .=  ' '.$attributes['TYPE'];
-
-				if (array_key_exists('CONSTRAINT', $attributes))
-				{
-					$sql .= '('.$attributes['CONSTRAINT'].')';
-				}
-
-				if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
-				{
-					$sql .= ' UNSIGNED';
-				}
-
-				if (array_key_exists('DEFAULT', $attributes))
-				{
-					$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
-				}
-
-				if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
-				{
-					$sql .= ' NULL';
-				}
-				else
-				{
-					$sql .= ' NOT NULL';
-				}
-
-				if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
-				{
-					$sql .= ' AUTO_INCREMENT';
-				}
+				$sql .= "\n\t".$this->db->protect_identifiers($field).' '.$attributes['TYPE']
+					.((isset($attributes['UNSINGED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '')
+					.(isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '')
+					.((isset($attributes['NULL']) && $attributes['NULL'] === TRUE) ? '' : ' NOT NULL')
+					.(isset($attributes['CONSTRAINT']) ? ' CONSTRAINT '.$attributes['CONSTRAINT'] : '');
 			}
 
 			// don't add a comma on the end of the last field
@@ -143,8 +115,8 @@ class CI_DB_oci8_forge extends CI_DB_forge {
 
 		if (count($primary_keys) > 0)
 		{
-			$primary_keys = $this->db->_protect_identifiers($primary_keys);
-			$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+			$primary_keys = $this->db->protect_identifiers($primary_keys);
+			$sql .= ",\n\tCONSTRAINT ".$table.' PRIMARY KEY ('.implode(', ', $primary_keys).')';
 		}
 
 		if (is_array($keys) && count($keys) > 0)
@@ -153,20 +125,18 @@ class CI_DB_oci8_forge extends CI_DB_forge {
 			{
 				if (is_array($key))
 				{
-					$key = $this->db->_protect_identifiers($key);
+					$key = $this->db->protect_identifiers($key);
 				}
 				else
 				{
-					$key = array($this->db->_protect_identifiers($key));
+					$key = array($this->db->protect_identifiers($key));
 				}
 
-				$sql .= ",\n\tUNIQUE COLUMNS (" . implode(', ', $key) . ")";
+				$sql .= ",\n\tUNIQUE COLUMNS (".implode(', ', $key).")";
 			}
 		}
 
-		$sql .= "\n)";
-
-		return $sql;
+		return $sql."\n)";
 	}
 
 	// --------------------------------------------------------------------
@@ -257,4 +227,4 @@ class CI_DB_oci8_forge extends CI_DB_forge {
 }
 
 /* End of file oci8_forge.php */
-/* Location: ./system/database/drivers/oci8/oci8_forge.php */
\ No newline at end of file
+/* Location: ./system/database/drivers/oci8/oci8_forge.php */
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index abb660324..5a93f7cad 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -398,27 +398,16 @@ class CI_DB_odbc_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The error message string
+	 * Error
 	 *
-	 * @access	private
-	 * @return	string
-	 */
-	function _error_message()
-	{
-		return odbc_errormsg($this->conn_id);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * The error message number
+	 * Returns an array containing code and message of the last
+	 * database error that has occured.
 	 *
-	 * @access	private
-	 * @return	integer
+	 * @return	array
 	 */
-	function _error_number()
+	public function error()
 	{
-		return odbc_error($this->conn_id);
+		return array('code' => odbc_error($this->conn_id), 'message' => odbc_errormsg($this->conn_id));
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
index 90f0fd791..de5e1f05e 100644
--- a/system/database/drivers/pdo/pdo_driver.php
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -609,29 +609,30 @@ class CI_DB_pdo_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The error message string
+	 * Error
 	 *
-	 * @access	private
-	 * @return	string
+	 * Returns an array containing code and message of the last
+	 * database error that has occured.
+	 *
+	 * @return	array
 	 */
-	function _error_message()
+	public function error()
 	{
-		$error_array = $this->conn_id->errorInfo();
+		$error = array('code' => '00000', 'message' => '');
+		$pdo_error = $this->conn_id->errorInfo();
 
-		return $error_array[2];
-	}
+		if (empty($pdo_error[0]))
+		{
+			return $error;
+		}
 
-	// --------------------------------------------------------------------
+		$error['code'] = isset($pdo_error[1]) ? $pdo_error[0].'/'.$pdo_error[1] : $pdo_error[0];
+		if (isset($pdo_error[2]))
+		{
+			 $error['message'] = $pdo_error[2];
+		}
 
-	/**
-	 * The error message number
-	 *
-	 * @access	private
-	 * @return	integer
-	 */
-	function _error_number()
-	{
-		return $this->conn_id->errorCode();
+		return $error;
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 89541e5fa..0fcd954e9 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -443,27 +443,16 @@ class CI_DB_postgre_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The error message string
+	 * Error
 	 *
-	 * @access	private
-	 * @return	string
-	 */
-	function _error_message()
-	{
-		return pg_last_error($this->conn_id);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * The error message number
+	 * Returns an array containing code and message of the last
+	 * database error that has occured.
 	 *
-	 * @access	private
-	 * @return	integer
+	 * @return	array
 	 */
-	function _error_number()
+	public function error()
 	{
-		return '';
+		return array('code' => '', 'message' => pg_last_error($this->conn_id));
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php
index 718501b20..3e4b37320 100644
--- a/system/database/drivers/sqlite/sqlite_driver.php
+++ b/system/database/drivers/sqlite/sqlite_driver.php
@@ -412,27 +412,18 @@ class CI_DB_sqlite_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The error message string
+	 * Error
 	 *
-	 * @access	private
-	 * @return	string
-	 */
-	function _error_message()
-	{
-		return sqlite_error_string(sqlite_last_error($this->conn_id));
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * The error message number
+	 * Returns an array containing code and message of the last
+	 * database error that has occured.
 	 *
-	 * @access	private
-	 * @return	integer
+	 * @return	array
 	 */
-	function _error_number()
+	public function error()
 	{
-		return sqlite_last_error($this->conn_id);
+		$error = array('code' => sqlite_last_error($this->conn_id));
+		$error['message'] = sqlite_error_string($error['code']);
+		return $error;
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/sqlite/sqlite_utility.php b/system/database/drivers/sqlite/sqlite_utility.php
index f00687e38..8fefcd9e2 100644
--- a/system/database/drivers/sqlite/sqlite_utility.php
+++ b/system/database/drivers/sqlite/sqlite_utility.php
@@ -1,13 +1,13 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
  * An open source application development framework for PHP 5.1.6 or newer
  *
  * NOTICE OF LICENSE
- * 
+ *
  * Licensed under the Open Software License version 3.0
- * 
+ *
  * This source file is subject to the Open Software License (OSL 3.0) that is
  * bundled with this package in the files license.txt / license.rst.  It is
  * also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
  * @filesource
  */
 
-// ------------------------------------------------------------------------
-
 /**
  * SQLite Utility Class
  *
@@ -40,20 +38,15 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
 	 * List databases
 	 *
 	 * I don't believe you can do a database listing with SQLite
-	 * since each database is its own file.  I suppose we could
+	 * since each database is its own file. I suppose we could
 	 * try reading a directory looking for SQLite files, but
 	 * that doesn't seem like a terribly good idea
 	 *
-	 * @access	private
 	 * @return	bool
 	 */
-	function _list_databases()
+	public function _list_databases()
 	{
-		if ($this->db_debug)
-		{
-			return $this->db->display_error('db_unsuported_feature');
-		}
-		return array();
+		return ($this->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
 	}
 
 	// --------------------------------------------------------------------
@@ -61,14 +54,12 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
 	/**
 	 * Optimize table query
 	 *
-	 * Is optimization even supported in SQLite?
-	 *
-	 * @access	private
 	 * @param	string	the table name
-	 * @return	object
+	 * @return	bool
 	 */
-	function _optimize_table($table)
+	public function _optimize_table($table)
 	{
+		// Not supported
 		return FALSE;
 	}
 
@@ -77,14 +68,12 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
 	/**
 	 * Repair table query
 	 *
-	 * Are table repairs even supported in SQLite?
-	 *
-	 * @access	private
 	 * @param	string	the table name
-	 * @return	object
+	 * @return	bool
 	 */
-	function _repair_table($table)
+	public function _repair_table($table)
 	{
+		// Not supported
 		return FALSE;
 	}
 
@@ -93,16 +82,16 @@ class CI_DB_sqlite_utility extends CI_DB_utility {
 	/**
 	 * SQLite Export
 	 *
-	 * @access	private
 	 * @param	array	Preferences
 	 * @return	mixed
 	 */
-	function _backup($params = array())
+	public function _backup($params = array())
 	{
 		// Currently unsupported
 		return $this->db->display_error('db_unsuported_feature');
 	}
+
 }
 
 /* End of file sqlite_utility.php */
-/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */
\ No newline at end of file
+/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index 9b9038189..03d7c7199 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -406,46 +406,39 @@ class CI_DB_sqlsrv_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * The error message string
+	 * Error
 	 *
-	 * @return	string
+	 * Returns an array containing code and message of the last
+	 * database error that has occured.
+	 *
+	 * @return	array
 	 */
-	protected function _error_message()
+	public function error()
 	{
-		$error = sqlsrv_errors();
-		if ( ! is_array($error))
+		$error = array('code' => '00000', 'message' => '');
+		$sqlsrv_errors = sqlsrv_errors(SQLSRV_ERR_ERRORS);
+
+		if ( ! is_array($sqlsrv_errors))
 		{
-			return '';
+			return $error;
 		}
 
-		$error = array_shift($error);
-		return isset($error['message']) ? $error['message'] : '';
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * The error message number
-	 *
-	 * @return	string
-	 */
-	protected function _error_number()
-	{
-		$error = sqlsrv_errors();
-		if ( ! is_array($error))
+		$sqlsrv_error = array_shift($sqlsrv_errors);
+		if (isset($sqlsrv_error['SQLSTATE']))
 		{
-			return '';
+			$error['code'] = isset($sqlsrv_error['code']) ? $sqlsrv_error['SQLSTATE'].'/'.$sqlsrv_error['code'] : $sqlsrv_error['SQLSTATE'];
 		}
-		elseif (isset($error['SQLSTATE']))
+		elseif (isset($sqlsrv_error['code']))
 		{
-			return isset($error['code']) ? $error['SQLSTATE'].'/'.$error['code'] : $error['SQLSTATE'];
+			$error['code'] = $sqlsrv_error['code'];
 		}
-		elseif (isset($error['code']))
+
+		if (isset($sqlsrv_error['message']))
 		{
-			return $error['code'];
+			$error['message'] = $sqlsrv_error['message'];
 		}
 
-		return '';
+		return $error;
 	}
 
 	// --------------------------------------------------------------------