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-rw-r--r--system/database/DB_query_builder.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index 33f0cd15b..5480ed44f 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -1191,7 +1191,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
/**
* GROUP BY
*
- * @param string $by
+ * @param mixed $by
* @param bool $escape
* @return CI_DB_query_builder
*/