risingwave_frontend/catalog/system_catalog/pg_catalog/
pg_proc.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 catalog `pg_proc` stores information about functions, procedures, aggregate functions, and
19/// window functions (collectively also known as routines).
20/// Ref: [`https://www.postgresql.org/docs/current/catalog-pg-proc.html`]
21// TODO: read real data including oid etc in rw, currently there are no such data in rw.
22// more details can be found here: https://github.com/postgres/postgres/blob/master/src/include/catalog/pg_proc.dat
23#[system_catalog(view, "pg_catalog.pg_proc")]
24#[derive(Fields)]
25struct PgProc {
26    oid: i32,
27    proname: String,
28    pronamespace: i32,
29    proowner: i32,
30    proargdefaults: i32,
31    // Data type of the return value, refer to pg_type.
32    prorettype: i32,
33    prokind: String,
34    proargtypes: Vec<i32>,
35}