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-rw-r--r--system/database/drivers/mysqli/mysqli_driver.php13
1 files changed, 12 insertions, 1 deletions
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index f72db64b6..1b3da7a6b 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -425,7 +425,18 @@ class CI_DB_mysqli_driver extends CI_DB {
{
return $item;
}
-
+
+ foreach ($this->_reserved_identifiers as $id)
+ {
+ if (strpos($item, '.'.$id) !== FALSE)
+ {
+ $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
+
+ // remove duplicates if the user already included the escape
+ return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ }
+ }
+
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;