Struct QueryRequestBuilder 

pub struct QueryRequestBuilder { /* private fields */ }

Fluent builder for QueryRequest.

Implementations

impl QueryRequestBuilder

pub fn columns<I, S>(self, cols: I) -> Self

where I: IntoIterator<Item = S>, S: Into<String>,

Restrict the projection to these columns. Empty = all columns.

pub fn predicate(self, p: Predicate) -> Self

Add a filter predicate (ANDed with the others).

pub fn group_by<I, S>(self, cols: I) -> Self

where I: IntoIterator<Item = S>, S: Into<String>,

Group by these columns.

pub fn aggregation(self, a: Aggregation) -> Self

Add an aggregation.

pub fn having(self, p: Predicate) -> Self

Add a post-aggregation (HAVING) predicate.

pub fn distinct(self, yes: bool) -> Self

Return only distinct rows over the projected columns.

pub fn order_by(self, o: OrderBy) -> Self

Add a sort key.

pub fn limit(self, n: u64) -> Self

Cap the total number of rows returned.

pub fn page(self, n: u64) -> Self

Set the (1-based) page number.

pub fn page_size(self, n: u64) -> Self

Set the page size.

pub fn build(self) -> QueryRequest

Finish building.

Trait Implementations

impl Clone for QueryRequestBuilder

fn clone(&self) -> QueryRequestBuilder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryRequestBuilder

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

Formats the value using the given formatter.

impl Default for QueryRequestBuilder

fn default() -> QueryRequestBuilder

Returns the “default value” for a type.