risingwave_frontend/catalog/system_catalog/rw_catalog/
rw_functions.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, Timestamptz};
16use risingwave_frontend_macro::system_catalog;
17
18use crate::catalog::system_catalog::{SysCatalogReaderImpl, get_acl_items};
19use crate::error::Result;
20
21#[derive(Fields)]
22struct RwFunction {
23    #[primary_key]
24    id: i32,
25    name: String,
26    schema_id: i32,
27    owner: i32,
28    r#type: String,
29    arg_type_ids: Vec<i32>,
30    return_type_id: i32,
31    language: String,
32    link: Option<String>,
33    acl: Vec<String>,
34    always_retry_on_network_error: bool,
35    created_at: Option<Timestamptz>,
36    created_at_cluster_version: Option<String>,
37}
38
39#[system_catalog(table, "rw_catalog.rw_functions")]
40fn read(reader: &SysCatalogReaderImpl) -> Result<Vec<RwFunction>> {
41    let catalog_reader = reader.catalog_reader.read_guard();
42    let schemas = catalog_reader.iter_schemas(&reader.auth_context.database)?;
43    let user_reader = reader.user_info_reader.read_guard();
44    let users = user_reader.get_all_users();
45    let current_user = user_reader
46        .get_user_by_name(&reader.auth_context.user_name)
47        .expect("user not found");
48    let username_map = user_reader.get_user_name_map();
49
50    Ok(schemas
51        .flat_map(|schema| {
52            schema
53                .iter_function_with_acl(current_user)
54                .map(|function| RwFunction {
55                    id: function.id.as_i32_id(),
56                    name: function.name.clone(),
57                    schema_id: schema.id().as_i32_id(),
58                    owner: function.owner as i32,
59                    r#type: function.kind.to_string(),
60                    arg_type_ids: function.arg_types.iter().map(|t| t.to_oid()).collect(),
61                    return_type_id: function.return_type.to_oid(),
62                    language: function.language.clone(),
63                    link: function.link.clone(),
64                    acl: get_acl_items(function.id, false, &users, username_map),
65                    always_retry_on_network_error: function.always_retry_on_network_error,
66                    created_at: function.created_at_epoch.map(|e| e.as_timestamptz()),
67                    created_at_cluster_version: function.created_at_cluster_version.clone(),
68                })
69        })
70        .collect())
71}