Enum Query 

pub enum Query {
    Simple {
        source: Source,
        filters: Vec<Filter>,
        aggregates: Vec<Aggregate>,
        directives: Directives,
        params: Params,
        sample: Option<f64>,
    },
    Compute {
        left: Box<Query>,
        right: Box<Query>,
        name: Metric,
        op: ComputeFunction,
        aggregates: Vec<Aggregate>,
        directives: Directives,
        params: Params,
    },
}

A Query AST representing a query in the MPL language

Variants

Simple

A simple query that will produce a result

Fields

source: Source

The source of the data

filters: Vec<Filter>

The filters to apply to the data

aggregates: Vec<Aggregate>

The aggregates to apply to the data

directives: Directives

The directives

params: Params

The params

sample: Option<f64>

How to sample series

Compute

A compute query taking the input of two queries and producing a by computing combined values

Fields

left: Box<Query>

The left hand side query to compute

right: Box<Query>

The right hand side query to compute

name: Metric

The name of the metric to produce

op: ComputeFunction

The compute operation used to combine the left and right queries

aggregates: Vec<Aggregate>

The aggregates to apply to the combined data

directives: Directives

The directives

params: Params

The params

Implementations

impl Query

pub fn params(&self) -> &Params

Get a ref to the params of the query.

pub fn directives(&self) -> &Directives

Get a ref to the directives of the query.

Trait Implementations

impl Clone for Query

fn clone(&self) -> Query

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Query

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Query

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Query

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

Formats the value using the given formatter.

impl Serialize for Query

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

where __S: Serializer,

Serialize this value into the given Serde serializer.