[Dbix-class] nullable column and might_have

Mitchell Elutovich melutovich at gmail.com
Thu Jun 5 11:54:41 GMT 2014

I have something like the following on a custom result source

  { data_type => "INT", default_value => undef, is_nullable => 1, size =>
11 },

  { "foreign.id" => "self.xxxid" },

I'm getting the warning:

"might_have/has_one" must not be on columns with is_nullable set to true
(MyClass/xxxid). This might indicate an incorrect use of those relationship
helpers instead of belongs_to. at ...

I don't understand why this for might_have might be incorrect, doesn't
might_have imply it might be null?
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