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Merge pull request #12314 from JuanitoFatas/migrations

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[ci skip] Add `null` type modifier in migrations.md.
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Yves Senn 2013-09-23 01:41:24 -07:00
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@ -301,6 +301,7 @@ braces. You can use the following modifiers:
* `precision` Defines the precision for the `decimal` fields
* `scale` Defines the scale for the `decimal` fields
* `polymorphic` Adds a `type` column for `belongs_to` associations
* `null` Allows or disallows `NULL` values in the column.
For instance, running