Revert back some escape_identifiers() to proect_identifiers() as the first one can't handle arrays
diff --git a/system/database/drivers/pdo/pdo_forge.php b/system/database/drivers/pdo/pdo_forge.php
index 8ce4513..5645750 100644
--- a/system/database/drivers/pdo/pdo_forge.php
+++ b/system/database/drivers/pdo/pdo_forge.php
@@ -112,8 +112,7 @@
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->escape_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (".implode(', ', $primary_keys).')';
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->db->protect_identifiers($primary_keys)).')';
}
if (is_array($keys) && count($keys) > 0)
@@ -121,7 +120,7 @@
foreach ($keys as $key)
{
$key = is_array($key)
- ? $this->db->escape_identifiers($key)
+ ? $this->db->protect_identifiers($key)
: array($this->db->escape_identifiers($key));
$sql .= ",\n\tFOREIGN KEY (".implode(', ', $key).')';