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;
17
18use crate::catalog::system_catalog::{SysCatalogReaderImpl, get_acl_items};
19use crate::error::Result;
20use crate::handler::create_connection::print_connection_params;
21
22#[derive(Fields)]
23struct RwConnection {
24    #[primary_key]
25    id: i32,
26    name: String,
27    schema_id: i32,
28    owner: i32,
29    type_: String,
30    provider: String,
31    acl: Vec<String>,
32    connection_params: String,
33}
34
35#[system_catalog(table, "rw_catalog.rw_connections")]
36fn read_rw_connections(reader: &SysCatalogReaderImpl) -> Result<Vec<RwConnection>> {
37    let catalog_reader = reader.catalog_reader.read_guard();
38    let schemas = catalog_reader.iter_schemas(&reader.auth_context.database)?;
39    let user_reader = reader.user_info_reader.read_guard();
40    let users = user_reader.get_all_users();
41    let current_user = user_reader
42        .get_user_by_name(&reader.auth_context.user_name)
43        .expect("user not found");
44    let username_map = user_reader.get_user_name_map();
45
46    // todo: redesign the internal table for connection params
47    Ok(schemas
48        .flat_map(|schema| {
49            schema.iter_connections_with_acl(current_user).map(|conn| {
50                let mut rw_connection = RwConnection {
51                    id: conn.id.as_i32_id(),
52                    name: conn.name.clone(),
53                    schema_id: schema.id().as_i32_id(),
54                    owner: conn.owner as i32,
55                    type_: conn.connection_type().into(),
56                    provider: "".to_owned(),
57                    acl: get_acl_items(conn.id, false, &users, username_map),
58                    connection_params: "".to_owned(),
59                };
60                match &conn.info {
61                    risingwave_pb::catalog::connection::Info::PrivateLinkService(_) => {
62                        rw_connection.provider = conn.provider().into();
63                    }
64                    risingwave_pb::catalog::connection::Info::ConnectionParams(params) => {
65                        rw_connection.connection_params = print_connection_params(
66                            &reader.auth_context.database,
67                            params,
68                            &catalog_reader,
69                        );
70                    }
71                };
72
73                rw_connection
74            })
75        })
76        .collect())
77}