Struct InteractiveQueryBuilder 

pub struct InteractiveQueryBuilder { /* private fields */ }

Interactive query builder for SPARQL queries

Implementations

impl InteractiveQueryBuilder

pub fn new() -> Self

Create a new query builder

pub fn select(self, variables: Vec<&str>) -> Result<Self>

Start building a SELECT query

pub fn select_all(self) -> Self

Start building a SELECT * query

pub fn ask(self) -> Self

Start building an ASK query

pub fn construct(self, variables: Vec<&str>) -> Result<Self>

Start building a CONSTRUCT query

pub fn describe(self, resources: Vec<&str>) -> Result<Self>

Start building a DESCRIBE query

pub fn where(self, pattern: PatternBuilder) -> Self

Add a WHERE pattern

pub fn where_all(self, patterns: Vec<PatternBuilder>) -> Self

Add multiple WHERE patterns

pub fn filter(self, condition: Expression) -> Self

Add a FILTER condition

pub fn optional(self, patterns: Vec<PatternBuilder>) -> Self

Add an OPTIONAL pattern

pub fn union(self, patterns: Vec<PatternBuilder>) -> Self

Add a UNION pattern

pub fn bind(self, var: &str, expr: Expression) -> Result<Self>

Add a BIND clause

pub fn order_by(self, conditions: Vec<OrderCondition>) -> Self

Add ORDER BY clause

pub fn group_by(self, conditions: Vec<GroupCondition>) -> Self

Add GROUP BY clause

pub fn having(self, condition: Expression) -> Self

Add HAVING clause

pub fn count( self, var: &str, expr: Option<Expression>, distinct: bool, ) -> Result<Self>

Add COUNT aggregate

pub fn sum(self, var: &str, expr: Expression, distinct: bool) -> Result<Self>

Add SUM aggregate

pub fn min(self, var: &str, expr: Expression, distinct: bool) -> Result<Self>

Add MIN aggregate

pub fn max(self, var: &str, expr: Expression, distinct: bool) -> Result<Self>

Add MAX aggregate

pub fn avg(self, var: &str, expr: Expression, distinct: bool) -> Result<Self>

Add AVG aggregate

pub fn sample(self, var: &str, expr: Expression, distinct: bool) -> Result<Self>

Add SAMPLE aggregate

pub fn group_concat( self, var: &str, expr: Expression, distinct: bool, separator: Option<String>, ) -> Result<Self>

Add GROUP_CONCAT aggregate

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

Set LIMIT

pub fn offset(self, offset: usize) -> Self

Set OFFSET

pub fn distinct(self) -> Self

Set DISTINCT modifier

pub fn reduced(self) -> Self

Set REDUCED modifier

pub fn prefix(self, prefix: &str, uri: &str) -> Self

Add a prefix declaration

pub fn build_string(&self) -> Result<String>

Build the SPARQL query string

pub fn build_algebra(&self) -> Result<Algebra>

Build the algebra representation

Trait Implementations

impl Clone for InteractiveQueryBuilder

fn clone(&self) -> InteractiveQueryBuilder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for InteractiveQueryBuilder

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

Formats the value using the given formatter.

impl Default for InteractiveQueryBuilder

fn default() -> Self

Returns the “default value” for a type.