Is there any cache in react-admin

General concept of app: From the admin panel I want to be able to do CRUD operations on following entities: Slider and Banner. Banner can be added to many Sliders and can have different position on each. Due to that fact there is a third entity: BannerSlider that consists of banner_id, slider_id and position fields;

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Code:

export const SliderEdit = props => (
    <Edit {...props}>
        <SimpleForm>
            <NumberInput source="status" />
            <ArrayInput source="bannerSliders">
                <SimpleFormIterator>
                    <ReferenceInput label="Banner" source="banner.id" reference="banners">
                        <SelectInput optionText="name" />
                    </ReferenceInput>

                    <NumberInput source="position" />
                </SimpleFormIterator>
            </ArrayInput>
        </SimpleForm>
    </Edit>
);

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Issue: When there are 5 banners assigned to given slider, there are 5 requests to backend, each from <ReferenceInput>. Each request is the same request and have same parameters. Is there any way to call the backend only once? Or maybe there is something wrong with my code?

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Also, as a side note - I think when user clicks "add" there shouldn't be additional request for the new ReferenceInput, cause all the data is already there. But that's something to consider for the authors. ( Yeah, I know I may contribute too :P )

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