risingwave_frontend/catalog/system_catalog/rw_catalog/
rw_connections.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 risingwave_common::types::Fields;
16use risingwave_frontend_macro::system_catalog;
17use risingwave_pb::user::grant_privilege::Object as GrantObject;
18
19use crate::catalog::system_catalog::{SysCatalogReaderImpl, get_acl_items};
20use crate::error::Result;
21use crate::handler::create_connection::print_connection_params;
22
23#[derive(Fields)]
24struct RwConnection {
25    #[primary_key]
26    id: i32,
27    name: String,
28    schema_id: i32,
29    owner: i32,
30    type_: String,
31    provider: String,
32    acl: Vec<String>,
33    connection_params: String,
34}
35
36#[system_catalog(table, "rw_catalog.rw_connections")]
37fn read_rw_connections(reader: &SysCatalogReaderImpl) -> Result<Vec<RwConnection>> {
38    let catalog_reader = reader.catalog_reader.read_guard();
39    let schemas = catalog_reader.iter_schemas(&reader.auth_context.database)?;
40    let user_reader = reader.user_info_reader.read_guard();
41    let users = user_reader.get_all_users();
42    let username_map = user_reader.get_user_name_map();
43
44    // todo: redesign the internal table for connection params
45    Ok(schemas
46        .flat_map(|schema| {
47            schema.iter_connections().map(|conn| {
48                let mut rw_connection = RwConnection {
49                    id: conn.id as i32,
50                    name: conn.name.clone(),
51                    schema_id: schema.id() as i32,
52                    owner: conn.owner as i32,
53                    type_: conn.connection_type().into(),
54                    provider: "".to_owned(),
55                    acl: get_acl_items(
56                        &GrantObject::ConnectionId(conn.id),
57                        false,
58                        &users,
59                        username_map,
60                    ),
61                    connection_params: "".to_owned(),
62                };
63                match &conn.info {
64                    risingwave_pb::catalog::connection::Info::PrivateLinkService(_) => {
65                        rw_connection.provider = conn.provider().into();
66                    }
67                    risingwave_pb::catalog::connection::Info::ConnectionParams(params) => {
68                        rw_connection.connection_params = print_connection_params(
69                            &reader.auth_context.database,
70                            params,
71                            &catalog_reader,
72                        );
73                    }
74                };
75
76                rw_connection
77            })
78        })
79        .collect())
80}
risingwave_frontend/catalog/system_catalog/rw_catalog/rw_connections.rs

risingwave_frontend/catalog/system_catalog/rw_catalog/
rw_connections.rs
