risingwave_frontend/catalog/system_catalog/information_schema/
views.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
18/// The view `views` contains all views defined in the current database. Only those views
19/// are shown that the current user has access to (by way of being the owner or having
20/// some privilege).
21/// Ref: [`https://www.postgresql.org/docs/current/infoschema-views.html`]
22///
23/// In RisingWave, `views` contains information about defined views.
24#[system_catalog(
25    view,
26    "information_schema.views",
27    "SELECT CURRENT_DATABASE() AS table_catalog,
28            s.name AS table_schema,
29            v.name AS table_name,
30            v.definition AS view_definition
31        FROM rw_catalog.rw_views v
32        JOIN rw_catalog.rw_schemas s ON v.schema_id = s.id
33        ORDER BY table_schema, table_name"
34)]
35#[derive(Fields)]
36struct View {
37    table_catalog: String,
38    table_schema: String,
39    table_name: String,
40    view_definition: String,
41}