risingwave_frontend/catalog/system_catalog/rw_catalog/
rw_subscriptions.rs

1// Copyright 2024 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::id::{SchemaId, SubscriptionId, UserId};
16use risingwave_common::types::{Fields, Timestamptz};
17use risingwave_frontend_macro::system_catalog;
18
19use crate::catalog::system_catalog::{SysCatalogReaderImpl, get_acl_items};
20use crate::error::Result;
21
22#[derive(Fields)]
23struct RwSubscription {
24    #[primary_key]
25    id: SubscriptionId,
26    name: String,
27    schema_id: SchemaId,
28    owner: UserId,
29    definition: String,
30    acl: Vec<String>,
31    initialized_at: Option<Timestamptz>,
32    created_at: Option<Timestamptz>,
33    initialized_at_cluster_version: Option<String>,
34    created_at_cluster_version: Option<String>,
35}
36
37#[system_catalog(table, "rw_catalog.rw_subscriptions")]
38fn read_rw_subscriptions_info(reader: &SysCatalogReaderImpl) -> Result<Vec<RwSubscription>> {
39    let catalog_reader = reader.catalog_reader.read_guard();
40    let schemas = catalog_reader.iter_schemas(&reader.auth_context.database)?;
41    let user_reader = reader.user_info_reader.read_guard();
42    let current_user = user_reader
43        .get_user_by_name(&reader.auth_context.user_name)
44        .expect("user not found");
45    let users = user_reader.get_all_users();
46    let username_map = user_reader.get_user_name_map();
47
48    Ok(schemas
49        .flat_map(|schema| {
50            schema
51                .iter_subscription_with_acl(current_user)
52                .map(|subscription| RwSubscription {
53                    id: subscription.id,
54                    name: subscription.name.clone(),
55                    schema_id: schema.id(),
56                    owner: subscription.owner,
57                    definition: subscription.definition.clone(),
58                    acl: get_acl_items(subscription.id, false, &users, username_map),
59                    initialized_at: subscription
60                        .initialized_at_epoch
61                        .map(|e| e.as_timestamptz()),
62                    created_at: subscription.created_at_epoch.map(|e| e.as_timestamptz()),
63                    initialized_at_cluster_version: subscription
64                        .initialized_at_cluster_version
65                        .clone(),
66                    created_at_cluster_version: subscription.created_at_cluster_version.clone(),
67                })
68        })
69        .collect())
70}
risingwave_frontend/catalog/system_catalog/rw_catalog/rw_subscriptions.rs

risingwave_frontend/catalog/system_catalog/rw_catalog/
rw_subscriptions.rs
