Struct QueryBuilder 

pub struct QueryBuilder<'a> { /* private fields */ }

A builder for composing multi-criteria queries over a SimulationDatabase.

Implementations

impl<'a> QueryBuilder<'a>

pub fn from(db: &'a SimulationDatabase) -> Self

Attach a database to query.

pub fn param_range(self, name: impl Into<String>, lo: f64, hi: f64) -> Self

Filter by a numeric parameter range [lo, hi].

pub fn time_range(self, t_lo: u64, t_hi: u64) -> Self

Filter by wall-clock timestamp range [t_lo, t_hi].

pub fn meta_eq(self, key: impl Into<String>, value: impl Into<String>) -> Self

Filter by a required metadata key-value pair.

pub fn execute(&self) -> Vec<&SimulationRecord>

Execute the query and return matching records.

Trait Implementations

impl<'a> Debug for QueryBuilder<'a>

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

Formats the value using the given formatter.

impl<'a> Default for QueryBuilder<'a>

fn default() -> QueryBuilder<'a>

Returns the “default value” for a type.