Trait TryGetableFromJson 

pub trait TryGetableFromJson: Sized + for<'de> Deserialize<'de> {
    // Provided methods
    fn try_get_from_json<I>(
        res: &QueryResult,
        idx: I,
    ) -> Result<Self, TryGetError>
       where I: ColIdx { ... }
    fn from_json_vec(value: Value) -> Result<Vec<Self>, TryGetError> { ... }
}

An interface to get a JSON from the query result

Provided Methods

fn try_get_from_json<I>(res: &QueryResult, idx: I) -> Result<Self, TryGetError>

where I: ColIdx,

Get a JSON from the query result with prefixed column name

fn from_json_vec(value: Value) -> Result<Vec<Self>, TryGetError>

Get a Vec from an Array of Json

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl TryGetableFromJson for risingwave_meta_model_migration::m20240630_131430_remove_parallel_unit::I32Array

impl TryGetableFromJson for risingwave_meta_model_migration::m20250106_072104_fragment_relation::I32Array

impl TryGetableFromJson for risingwave_meta_model_migration::m20250819_014448_add_version_column_indices_to_table::I32Array