risingwave_frontend/optimizer/plan_visitor/
distributed_dml_visitor.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 std::rc::Rc;
16
17use risingwave_connector::source::ConnectorProperties;
18
19use super::{DefaultBehavior, Merge};
20use crate::PlanRef;
21use crate::catalog::source_catalog::SourceCatalog;
22use crate::optimizer::plan_node::{BatchSource, LogicalSource, StreamSource};
23use crate::optimizer::plan_visitor::PlanVisitor;
24
25#[derive(Debug, Clone, Default)]
26pub struct DistributedDmlVisitor {}
27
28impl DistributedDmlVisitor {
29    pub fn dml_should_run_in_distributed(plan: PlanRef) -> bool {
30        if plan
31            .ctx()
32            .session_ctx()
33            .config()
34            .batch_enable_distributed_dml()
35        {
36            return true;
37        }
38        let mut visitor = DistributedDmlVisitor {};
39        visitor.visit(plan)
40    }
41
42    fn is_iceberg_source(source_catalog: &Rc<SourceCatalog>) -> bool {
43        let property = ConnectorProperties::extract(source_catalog.with_properties.clone(), false);
44        if let Ok(property) = property {
45            matches!(property, ConnectorProperties::Iceberg(_))
46        } else {
47            false
48        }
49    }
50}
51
52impl PlanVisitor for DistributedDmlVisitor {
53    type Result = bool;
54
55    type DefaultBehavior = impl DefaultBehavior<Self::Result>;
56
57    fn default_behavior() -> Self::DefaultBehavior {
58        Merge(|a, b| a | b)
59    }
60
61    fn visit_batch_source(&mut self, batch_source: &BatchSource) -> bool {
62        if let Some(source_catalog) = &batch_source.core.catalog {
63            Self::is_iceberg_source(source_catalog)
64        } else {
65            false
66        }
67    }
68
69    fn visit_logical_source(&mut self, logical_source: &LogicalSource) -> bool {
70        if let Some(source_catalog) = &logical_source.core.catalog {
71            Self::is_iceberg_source(source_catalog)
72        } else {
73            false
74        }
75    }
76
77    fn visit_stream_source(&mut self, stream_source: &StreamSource) -> bool {
78        if let Some(source_catalog) = &stream_source.core.catalog {
79            Self::is_iceberg_source(source_catalog)
80        } else {
81            false
82        }
83    }
84}
risingwave_frontend/optimizer/plan_visitor/distributed_dml_visitor.rs

risingwave_frontend/optimizer/plan_visitor/
distributed_dml_visitor.rs
