common_meta/ddl/drop_flow/
metadata.rs

1// Copyright 2023 Greptime Team
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 common_catalog::format_full_flow_name;
16use snafu::{OptionExt, ensure};
17
18use crate::ddl::drop_flow::DropFlowProcedure;
19use crate::error::{self, Result};
20
21impl DropFlowProcedure {
22    /// Fetches the flow info.
23    pub(crate) async fn fill_flow_metadata(&mut self) -> Result<()> {
24        let catalog_name = &self.data.task.catalog_name;
25        let flow_name = &self.data.task.flow_name;
26        let flow_info_value = self
27            .context
28            .flow_metadata_manager
29            .flow_info_manager()
30            .get(self.data.task.flow_id)
31            .await?
32            .with_context(|| error::FlowNotFoundSnafu {
33                flow_name: format_full_flow_name(catalog_name, flow_name),
34            })?;
35
36        let flow_route_values = self
37            .context
38            .flow_metadata_manager
39            .flow_route_manager()
40            .routes(self.data.task.flow_id)
41            .await?
42            .into_iter()
43            .map(|(_, value)| value)
44            .collect::<Vec<_>>();
45        ensure!(
46            !flow_route_values.is_empty(),
47            error::FlowRouteNotFoundSnafu {
48                flow_name: format_full_flow_name(catalog_name, flow_name),
49            }
50        );
51        self.data.flow_info_value = Some(flow_info_value);
52        self.data.flow_route_values = flow_route_values;
53
54        Ok(())
55    }
56}
common_meta/ddl/drop_flow/metadata.rs

common_meta/ddl/drop_flow/
metadata.rs
