From 56e452ad93753754e16418f361930ef4d70f06e2 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Fri, 14 Jul 2017 13:05:48 +0300
Subject: [ci skip] Merge pull request #5183 from
 ytetsuro/add_oci8_driver_write_type

add is_write_type method for merge query
---
 system/database/DB_driver.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'system/database/DB_driver.php')

diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 3eb51f734..7efb37333 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -1044,7 +1044,7 @@ abstract class CI_DB_driver {
 	 */
 	public function is_write_type($sql)
 	{
-		return (bool) preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD|COPY|ALTER|RENAME|GRANT|REVOKE|LOCK|UNLOCK|REINDEX)\s/i', $sql);
+		return (bool) preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD|COPY|ALTER|RENAME|GRANT|REVOKE|LOCK|UNLOCK|REINDEX|MERGE)\s/i', $sql);
 	}
 
 	// --------------------------------------------------------------------
-- 
cgit v1.2.3-24-g4f1b


From 5e88ea5b2d8c75c896094036ff7c4c3e0254258f Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Mon, 4 Sep 2017 15:13:37 +0300
Subject: Fix #5246

---
 system/database/DB_driver.php | 1 +
 1 file changed, 1 insertion(+)

(limited to 'system/database/DB_driver.php')

diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 7efb37333..0b13a2f82 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -916,6 +916,7 @@ abstract class CI_DB_driver {
 
 		if ($this->_trans_begin())
 		{
+			$this->_trans_status = TRUE;
 			$this->_trans_depth++;
 			return TRUE;
 		}
-- 
cgit v1.2.3-24-g4f1b


From fa2a0c58eb0f6421e3819df8a8873b5a5e4ebb58 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Fri, 13 Oct 2017 17:04:35 +0300
Subject: Fix #5297

---
 system/database/DB_driver.php | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'system/database/DB_driver.php')

diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 0b13a2f82..c18701db3 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -1926,15 +1926,19 @@ abstract class CI_DB_driver {
 					$i++;
 				}
 
+				// dbprefix may've already been applied, with or without the identifier escaped
+				$ec = '(?<ec>'.preg_quote(is_array($this->_escape_char) ? $this->_escape_char[0] : $this->_escape_char).')?';
+				isset($ec[0]) && $ec .= '?'; // Just in case someone has disabled escaping by forcing an empty escape character
+
 				// Verify table prefix and replace if necessary
-				if ($this->swap_pre !== '' && strpos($parts[$i], $this->swap_pre) === 0)
+				if ($this->swap_pre !== '' && preg_match('#^'.$ec.preg_quote($this->swap_pre).'#', $parts[$i]))
 				{
-					$parts[$i] = preg_replace('/^'.$this->swap_pre.'(\S+?)/', $this->dbprefix.'\\1', $parts[$i]);
+					$parts[$i] = preg_replace('#^'.$ec.preg_quote($this->swap_pre).'(\S+?)#', '\\1'.$this->dbprefix.'\\2', $parts[$i]);
 				}
 				// We only add the table prefix if it does not already exist
-				elseif (strpos($parts[$i], $this->dbprefix) !== 0)
+				else
 				{
-					$parts[$i] = $this->dbprefix.$parts[$i];
+					preg_match('#^'.$ec.preg_quote($this->dbprefix).'#', $parts[$i]) OR $parts[$i] = $this->dbprefix.$parts[$i];
 				}
 
 				// Put the parts back together
-- 
cgit v1.2.3-24-g4f1b


From cce6bd170f24cf0f10ca0b58150d0324433a66be Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Tue, 9 Jan 2018 11:32:02 +0200
Subject: [ci skip] Merge pull request #5376 from jim-parry/copyright-update

Annual copyright update

Conflicts resolved:
	system/libraries/Cache/drivers/Cache_apcu.php
---
 system/database/DB_driver.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'system/database/DB_driver.php')

diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index c18701db3..059849771 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -6,7 +6,7 @@
  *
  * This content is released under the MIT License (MIT)
  *
- * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
+ * Copyright (c) 2014 - 2018, British Columbia Institute of Technology
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -29,7 +29,7 @@
  * @package	CodeIgniter
  * @author	EllisLab Dev Team
  * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
- * @copyright	Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @copyright	Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
  * @license	http://opensource.org/licenses/MIT	MIT License
  * @link	https://codeigniter.com
  * @since	Version 1.0.0
-- 
cgit v1.2.3-24-g4f1b