Remove (most of) error suppression from database drivers (issue #3036)
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index afe80e8..f4a1661 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -142,9 +142,9 @@
 			$database = $this->database;
 		}
 
-		// Note: The brackets are required in the event that the DB name
+		// Note: Escaping is required in the event that the DB name
 		// contains reserved characters
-		if (@mssql_select_db($this->escape_identifiers($database), $this->conn_id))
+		if (mssql_select_db($this->escape_identifiers($database), $this->conn_id))
 		{
 			$this->database = $database;
 			return TRUE;
@@ -163,7 +163,7 @@
 	 */
 	protected function _execute($sql)
 	{
-		return @mssql_query($sql, $this->conn_id);
+		return mssql_query($sql, $this->conn_id);
 	}
 
 	// --------------------------------------------------------------------
@@ -235,7 +235,7 @@
 	 */
 	public function affected_rows()
 	{
-		return @mssql_rows_affected($this->conn_id);
+		return mssql_rows_affected($this->conn_id);
 	}
 
 	// --------------------------------------------------------------------
@@ -519,7 +519,7 @@
 	 */
 	protected function _close()
 	{
-		@mssql_close($this->conn_id);
+		mssql_close($this->conn_id);
 	}
 
 }
diff --git a/system/database/drivers/mssql/mssql_result.php b/system/database/drivers/mssql/mssql_result.php
index cce9374..f3ee987 100644
--- a/system/database/drivers/mssql/mssql_result.php
+++ b/system/database/drivers/mssql/mssql_result.php
@@ -47,7 +47,7 @@
 	{
 		return is_int($this->num_rows)
 			? $this->num_rows
-			: $this->num_rows = @mssql_num_rows($this->result_id);
+			: $this->num_rows = mssql_num_rows($this->result_id);
 	}
 
 	// --------------------------------------------------------------------
@@ -59,7 +59,7 @@
 	 */
 	public function num_fields()
 	{
-		return @mssql_num_fields($this->result_id);
+		return mssql_num_fields($this->result_id);
 	}
 
 	// --------------------------------------------------------------------
@@ -167,7 +167,7 @@
 	 */
 	protected function _fetch_object($class_name = 'stdClass')
 	{
-		$row = @mssql_fetch_object($this->result_id);
+		$row = mssql_fetch_object($this->result_id);
 
 		if ($class_name === 'stdClass' OR ! $row)
 		{