risingwave_frontend/optimizer/plan_node/
batch_table_function.rs

1// Copyright 2022 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 risingwave_pb::batch_plan::TableFunctionNode;
16use risingwave_pb::batch_plan::plan_node::NodeBody;
17
18use super::batch::prelude::*;
19use super::utils::impl_distill_by_unit;
20use super::{
21    BatchPlanRef as PlanRef, ExprRewritable, PlanBase, PlanTreeNodeLeaf, ToBatchPb,
22    ToDistributedBatch, generic,
23};
24use crate::error::Result;
25use crate::expr::{ExprRewriter, ExprVisitor};
26use crate::optimizer::plan_node::ToLocalBatch;
27use crate::optimizer::plan_node::expr_visitable::ExprVisitable;
28use crate::optimizer::property::{Distribution, Order};
29
30#[derive(Debug, Clone, PartialEq, Eq, Hash)]
31pub struct BatchTableFunction {
32    pub base: PlanBase<Batch>,
33    core: generic::TableFunction,
34}
35
36impl PlanTreeNodeLeaf for BatchTableFunction {}
37impl_plan_tree_node_for_leaf! { Batch, BatchTableFunction }
38
39impl BatchTableFunction {
40    pub fn new(core: generic::TableFunction) -> Self {
41        Self::with_dist(core, Distribution::Single)
42    }
43
44    pub fn with_dist(core: generic::TableFunction, dist: Distribution) -> Self {
45        let base = PlanBase::new_batch_with_core(&core, dist, Order::any());
46        BatchTableFunction { base, core }
47    }
48}
49
50impl_distill_by_unit!(BatchTableFunction, core, "BatchTableFunction");
51
52impl ToDistributedBatch for BatchTableFunction {
53    fn to_distributed(&self) -> Result<PlanRef> {
54        Ok(Self::with_dist(self.core.clone(), Distribution::Single).into())
55    }
56}
57
58impl ToBatchPb for BatchTableFunction {
59    fn to_batch_prost_body(&self) -> NodeBody {
60        NodeBody::TableFunction(TableFunctionNode {
61            table_function: Some(self.core.table_function.to_protobuf()),
62        })
63    }
64}
65
66impl ToLocalBatch for BatchTableFunction {
67    fn to_local(&self) -> Result<PlanRef> {
68        Ok(Self::with_dist(self.core.clone(), Distribution::Single).into())
69    }
70}
71
72impl ExprRewritable<Batch> for BatchTableFunction {
73    fn has_rewritable_expr(&self) -> bool {
74        true
75    }
76
77    fn rewrite_exprs(&self, r: &mut dyn ExprRewriter) -> PlanRef {
78        let mut core = self.core.clone();
79        core.rewrite_exprs(r);
80        Self::new(core).into()
81    }
82}
83
84impl ExprVisitable for BatchTableFunction {
85    fn visit_exprs(&self, v: &mut dyn ExprVisitor) {
86        self.core.visit_exprs(v);
87    }
88}
risingwave_frontend/optimizer/plan_node/batch_table_function.rs

risingwave_frontend/optimizer/plan_node/
batch_table_function.rs
