Struct Query

pub struct Query {
    pub partition: u8,
    pub limit: Option<usize>,
    pub start: Option<SortKey>,
    pub end: Option<SortKey>,
}

Query specification for retrieving records from a partition.

Fields

partition: u8

Partition to query (required).

limit: Option<usize>

Maximum number of records to return.

start: Option<SortKey>

Inclusive start key for the query.

end: Option<SortKey>

Exclusive end key for the query.

Implementations

impl Query

pub fn new(partition: u8) -> Self

Creates a new query for the given partition.

pub fn limit(self, n: usize) -> Self

Limits the number of results.

pub fn start(self, start: SortKey) -> Self

Sets the start key for the query (inclusive).

pub fn end(self, end: SortKey) -> Self

Sets the end key for the query (exclusive).

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 Default for Query

fn default() -> Query

Returns the “default value” for a type.