diff options
Diffstat (limited to 'system/database/DB_forge.php')
| -rw-r--r-- | system/database/DB_forge.php | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php index dde285598..f9cf76a14 100644 --- a/system/database/DB_forge.php +++ b/system/database/DB_forge.php @@ -239,7 +239,13 @@ abstract class CI_DB_forge { */ public function add_key($key, $primary = FALSE) { - if (is_array($key)) + // DO NOT change this! This condition is only applicable + // for PRIMARY keys because you can only have one such, + // and therefore all fields you add to it will be included + // in the same, composite PRIMARY KEY. + // + // It's not the same for regular indexes. + if ($primary === TRUE && is_array($key)) { foreach ($key as $one) { |