PatternConverter

oxirs_core::query::pattern_unification

Struct PatternConverter

pub struct PatternConverter;

Expand description

Pattern conversion utilities

Implementations§

impl PatternConverter

pub fn algebra_to_model_patterns( patterns: &[AlgebraTriplePattern], ) -> Vec<TriplePattern>

Convert a vector of algebra patterns to model patterns

pub fn model_to_algebra_patterns( patterns: &[TriplePattern], ) -> Result<Vec<AlgebraTriplePattern>, OxirsError>

Convert a vector of model patterns to algebra patterns

pub fn extract_variables_from_algebra( patterns: &[AlgebraTriplePattern], ) -> HashSet<Variable>

Extract all variables from a set of algebra patterns

pub fn extract_variables_from_model( patterns: &[TriplePattern], ) -> HashSet<Variable>

Extract all variables from a set of model patterns

pub fn estimate_pattern_selectivity(patterns: &[UnifiedTriplePattern]) -> f64

Estimate combined selectivity for a set of patterns

Auto Trait Implementations§

impl Freeze for PatternConverter

impl RefUnwindSafe for PatternConverter

impl Send for PatternConverter

impl Sync for PatternConverter

impl Unpin for PatternConverter

impl UnwindSafe for PatternConverter

Blanket Implementations§

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