use api::query::analyzer::Analyzer; use api::query::session::SessionCtx; use api::QueryResult; use datafusion::logical_expr::LogicalPlan; use datafusion::optimizer::analyzer::Analyzer as DFAnalyzer; pub struct DefaultAnalyzer { inner: DFAnalyzer, } impl DefaultAnalyzer { pub fn new() -> Self { let analyzer = DFAnalyzer::default(); // we can add analyzer rule at here Self { inner: analyzer } } } impl Default for DefaultAnalyzer { fn default() -> Self { Self::new() } } impl Analyzer for DefaultAnalyzer { fn analyze(&self, plan: &LogicalPlan, session: &SessionCtx) -> QueryResult { let plan = self .inner .execute_and_check(plan.to_owned(), session.inner().config_options(), |_, _| {})?; Ok(plan) } }