tmp2

Signed-off-by: junxiang Mu <1948535941@qq.com>

s3select/api/src/query/analyzer.rs

@@ -0,0 +1,12 @@
+use std::sync::Arc;
+
+use datafusion::logical_expr::LogicalPlan;
+
+use super::session::SessionCtx;
+use crate::QueryResult;
+
+pub type AnalyzerRef = Arc<dyn Analyzer + Send + Sync>;
+
+pub trait Analyzer {
+    fn analyze(&self, plan: &LogicalPlan, session: &SessionCtx) -> QueryResult<LogicalPlan>;
+}