From 4be5de1d11eefd9f0b7cf0589a2942f067cefe35 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Fri, 2 Mar 2012 15:45:41 +0200
Subject: Replaced DB methods _error_message() and _error_number() with error()
 (issue #1097)

---
 system/database/drivers/sqlsrv/sqlsrv_driver.php | 47 ++++++++++--------------
 1 file changed, 20 insertions(+), 27 deletions(-)

(limited to 'system/database/drivers/sqlsrv/sqlsrv_driver.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;
 	}
 
 	// --------------------------------------------------------------------
-- 
cgit v1.2.3-24-g4f1b


From 08856b8738ea4fc17b13986c9f2619383cb4a6e9 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Sat, 3 Mar 2012 03:19:28 +0200
Subject: Improve DB version() implementation and add pg_version() support

---
 system/database/drivers/sqlsrv/sqlsrv_driver.php | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

(limited to 'system/database/drivers/sqlsrv/sqlsrv_driver.php')

diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index 03d7c7199..5c90cb4f2 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -317,15 +317,23 @@ class CI_DB_sqlsrv_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	* Version number query string
-	*
-	* @access public
-	* @return string
-	*/
-	function _version()
+	 * Database version number
+	 *
+	 * @return	string
+	 */
+	public function version()
 	{
-		$info = sqlsrv_server_info($this->conn_id);
-		return sprintf("select '%s' as ver", $info['SQLServerVersion']);
+		if (isset($this->data_cache['version']))
+		{
+			return $this->data_cache['version'];
+		}
+
+		if (($info = sqlsrv_server_info($this->conn_id)) === FALSE)
+		{
+			return FALSE;
+		}
+
+		return $this->data_cache['version'] = $info['SQLServerVersion'];
 	}
 
 	// --------------------------------------------------------------------
-- 
cgit v1.2.3-24-g4f1b