diff --git a/framework/db/ColumnSchema.php b/framework/db/ColumnSchema.php
index <HASH>..<HASH> 100644
--- a/framework/db/ColumnSchema.php
+++ b/framework/db/ColumnSchema.php
@@ -126,6 +126,7 @@ class ColumnSchema extends Object
                     return $value;
                 }
                 if (is_float($value)) {
+                    // ensure type cast always has . as decimal separator in all locales
                     return str_replace(',', '.', (string)$value);
                 }
                 return (string)$value;
Update ColumnSchema.php

added comment