Struct GroupResult 

pub struct GroupResult {
    pub key: Value,
    pub count: i64,
    pub value: Option<Value>,
}

One row of a GroupBy result.

Fields

key: Value

The grouping key — typically a string or number from the by_field column.

count: i64

Row count in this group (COUNT(*) per group).

value: Option<Value>

Inner aggregator result (Sum / Avg / Min / Max) if inner was set on the GroupBy variant.

Trait Implementations

impl Clone for GroupResult

fn clone(&self) -> GroupResult

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for GroupResult

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl JsonSchema for GroupResult

fn schema_name() -> Cow<'static, str>

The name of the generated JSON Schema.

fn schema_id() -> Cow<'static, str>

Returns a string that uniquely identifies the schema produced by this type.

fn json_schema(generator: &mut SchemaGenerator) -> Schema

Generates a JSON Schema for this type.

fn inline_schema() -> bool

Whether JSON Schemas generated for this type should be included directly in parent schemas, rather than being re-used where possible using the $ref keyword.

impl Serialize for GroupResult

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.