Function validate_basic_query_edge_patterns

graphlite/src/ast/validator.rs:2126–2159

(query: &BasicQuery, errors: &mut Vec<ValidationError>)

}

fn validate_basic_query_edge_patterns(query: &BasicQuery, errors: &mut Vec<ValidationError>) {
    for pattern in &query.match_clause.patterns {
        for element in &pattern.elements {
            if let PatternElement::Edge(edge) = element {
                // Validate edge direction
                match edge.direction {
                    EdgeDirection::Both => {
                        // <-> is valid
                    }
                    EdgeDirection::Incoming => {
                        // <- is valid
                    }
                    EdgeDirection::Outgoing => {
                        // -> is valid
                    }
                    EdgeDirection::Undirected => {
                        // -- is valid
                    }
                }

                // Validate edge labels
                for label in &edge.labels {
                    if label.is_empty() {
                        errors.push(ValidationError {
                            message: "Edge label cannot be empty".to_string(),
                            location: None,
                            error_type: ValidationErrorType::Syntax,
                        });
                    }
                }
            }
        }
    }
}

/// Validate temporal literals
fn validate_temporal_literals(_query: &Query, _errors: &mut Vec<ValidationError>) {