Enum Clause 

pub enum Clause {
    Compare {
        field: String,
        op: CompareOp,
        value: QueryValue,
    },
    Contains {
        field: String,
        value: String,
    },
    LastDuration(Duration),
    SinceDatetime(String),
}

A single clause — the atomic unit a query is built from.

Variants

Compare

field OP value — e.g. level = error, req_id > 100.

Fields

field: String

op: CompareOp

value: QueryValue

Contains

field CONTAINS string — substring match on a string column.

Fields

field: String

value: String

LastDuration(Duration)

last <N><unit> — relative time range ending at query time.

SinceDatetime(String)

since <datetime> — absolute time range starting at the given moment. The string is opaque at the parse layer; the executor uses chrono to resolve it (which allows us to accept multiple formats without teaching the grammar about any particular one).

Trait Implementations

impl Clone for Clause

fn clone(&self) -> Clause

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Clause

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

Formats the value using the given formatter.

impl PartialEq for Clause

fn eq(&self, other: &Clause) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Clause