Trait edgedb_protocol::QueryResult

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pub trait QueryResult: Sealed {
    type State;

    // Required methods
    fn prepare(
        ctx: &DescriptorContext<'_>,
        root_pos: TypePos
    ) -> Result<Self::State, Error>;
    fn decode(state: &mut Self::State, msg: &Bytes) -> Result<Self, Error>;
}
Expand description

A trait representing single result from a query.

This is implemented for scalars and tuples. To receive a shape from EdgeDB derive Queryable for a structure. This will automatically implement QueryResult for you.

Required Associated Types§

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type State

Required Methods§

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fn prepare( ctx: &DescriptorContext<'_>, root_pos: TypePos ) -> Result<Self::State, Error>

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fn decode(state: &mut Self::State, msg: &Bytes) -> Result<Self, Error>

Implementors§