Method set_session_parameter

graphlite/src/exec/executor.rs:8798–8811

Set a session parameter (helper method for stored procedures)

(
        &self,
        parameter: &str,
        value: Value,
    )

    /// Set a session parameter (helper method for stored procedures)
    pub fn set_session_parameter(
        &self,
        parameter: &str,
        value: Value,
    ) -> Result<(), ExecutionError> {
        // TODO: Implement session parameter storage through SessionManager
        // For now, parameters are not persisted across queries
        log::debug!(
            "Session parameter '{}' set to {:?} (not persisted)",
            parameter,
            value
        );
        Ok(())
    }

    /// Get current graph from session (helper method)
    pub fn current_graph(&self) -> Option<GraphExpression> {