Trait diesel::query_dsl::methods::SelectNullableDsl

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pub trait SelectNullableDsl {
    type Output;
    fn nullable(self) -> Self::Output;
}

Expand description

The nullable method

This trait should not be relied on directly by most apps. Its behavior is provided by QueryDsl. However you may need a where clause on this trait to call nullable from generic code.

Associated Types

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type Output

The return type of nullable

Required methods

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fn nullable(self) -> Self::Output

See the trait documentation

Trait diesel::query_dsl::methods::SelectNullableDsl

Associated Types

type Output

Required methods

fn nullable(self) -> Self::Output

Implementors