risingwave_frontend/planner/
recursive_union.rs

1// Copyright 2025 RisingWave Labs
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use crate::binder::{BoundSetExpr, ShareId};
16use crate::error::Result;
17use crate::optimizer::plan_node::LogicalRecursiveUnion;
18use crate::{PlanRef, Planner};
19
20impl Planner {
21    pub(super) fn plan_recursive_union(
22        &mut self,
23        base: BoundSetExpr,
24        recursive: BoundSetExpr,
25        id: ShareId,
26    ) -> Result<PlanRef> {
27        let base = self.plan_set_expr(base, vec![], &[])?;
28        let recursive = self.plan_set_expr(recursive, vec![], &[])?;
29        let plan = LogicalRecursiveUnion::create(base, recursive, id);
30        self.ctx.insert_rcte_cache_plan(id, plan.clone());
31        Ok(plan)
32    }
33}
risingwave_frontend/planner/recursive_union.rs

risingwave_frontend/planner/
recursive_union.rs
