Struct SparqlQuery 

pub struct SparqlQuery {
    pub query_type: SparqlQueryType,
    pub prefixes: Vec<SparqlPrefix>,
    pub variables: Vec<String>,
    pub where_patterns: Vec<String>,
    pub limit: Option<usize>,
    pub offset: Option<usize>,
}

A SPARQL query builder.

Fields

query_type: SparqlQueryType

prefixes: Vec<SparqlPrefix>

variables: Vec<String>

where_patterns: Vec<String>

limit: Option<usize>

offset: Option<usize>

Implementations

impl SparqlQuery

pub fn select(variables: Vec<String>) -> Self

Create a new SELECT query.

pub fn add_prefix(&mut self, prefix: impl Into<String>, iri: impl Into<String>)

Add a prefix.

pub fn add_pattern(&mut self, pattern: impl Into<String>)

Add a WHERE clause triple pattern.

pub fn pattern_count(&self) -> usize

Number of WHERE patterns.

Trait Implementations

impl Clone for SparqlQuery

fn clone(&self) -> SparqlQuery

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SparqlQuery

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

Formats the value using the given formatter.