escape_identifiers() to not escape string literals inside double quotes as well
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index e9efc89..d63a1d9 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -985,7 +985,7 @@
return $item;
}
// Avoid breaking functions and literal values inside queries
- elseif (ctype_digit($item) OR $item[0] === "'" OR strpos($item, '(') !== FALSE)
+ elseif (ctype_digit($item) OR $item[0] === "'" OR ($this->_escape_char !== '"' && $item[0] === '"') OR strpos($item, '(') !== FALSE)
{
return $item;
}