Method execute_next_statement

graphlite/src/exec/executor.rs:8603–8631

ROADMAP v0.5.0 - NEXT statement execution for path queries

(
        &self,
        next_stmt: &NextStatement,
        context: &mut ExecutionContext,
        graph_expr: Option<&GraphExpression>,
    )

    /// Internal method for next statements
    #[allow(dead_code)] // ROADMAP v0.5.0 - NEXT statement execution for path queries
    fn execute_next_statement(
        &self,
        next_stmt: &NextStatement,
        context: &mut ExecutionContext,
        graph_expr: Option<&GraphExpression>,
    ) -> Result<QueryResult, ExecutionError> {
        match &next_stmt.target_statement {
            Some(target) => {
                // Execute the target statement using the provided context to maintain variable scope
                self.execute_statement(target.as_ref(), context, graph_expr, None)
            }
            None => {
                // NEXT without target - just continue execution
                Ok(QueryResult {
                    variables: vec!["status".to_string()],
                    rows: vec![{
                        let mut values = std::collections::HashMap::new();
                        values.insert("status".to_string(), Value::String("continued".to_string()));
                        Row::from_values(values)
                    }],
                    rows_affected: 1,
                    session_result: None,
                    warnings: Vec::new(),

                    execution_time_ms: 0,
                })
            }
        }
    }

    /// Execute AT location statement for procedure context
    /// Internal method for at location statements