`schema(infer: true)` overrides command's input about rom-sql HOT 3 CLOSED

We can tweak commands in a way that if there's an input handler configured which is not the default proc, then we'll compose it with the schema handler. Would that work?

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This is possible to override Command.build method in this way

      class Commands::CreateCaseFromModel < ROM::Command::Create[:sql]
        relation :hoi_cases
        register_as :create_from_model

        def self.build(relation, options = {})
          # pass any input you want, you can access schema's input via relation.schema_hash
          super(relation, options.merge(input: ...)) 
        end
      end

This will do the trick for now ^ But I agree we need to make it more user-friendly :)
See sources: https://github.com/rom-rb/rom/blob/master/lib/rom/plugins/command/schema.rb#L16

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This issue was moved to rom-rb/rom#360

from rom-sql.