risingwave_frontend/catalog/system_catalog/pg_catalog/
pg_indexes.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 `pg_indexes` provides access to useful information about each index in the database.
19/// Ref: [`https://www.postgresql.org/docs/current/view-pg-indexes.html`]
20#[system_catalog(
21    view,
22    "pg_catalog.pg_indexes",
23    "SELECT s.name AS schemaname,
24            t.name AS tablename,
25            i.name AS indexname,
26            NULL AS tablespace,
27            i.definition AS indexdef
28        FROM rw_catalog.rw_indexes i
29        JOIN rw_catalog.rw_tables t ON i.primary_table_id = t.id
30        JOIN rw_catalog.rw_schemas s ON i.schema_id = s.id
31    UNION ALL
32    SELECT s.name AS schemaname,
33            t.name AS tablename,
34            i.name AS indexname,
35            NULL AS tablespace,
36            i.definition AS indexdef
37        FROM rw_catalog.rw_indexes i
38        JOIN rw_catalog.rw_materialized_views t ON i.primary_table_id = t.id
39        JOIN rw_catalog.rw_schemas s ON i.schema_id = s.id
40    UNION ALL
41    SELECT s.name AS schemaname,
42            t.name AS tablename,
43            concat(t.name, '_pkey') AS indexname,
44            NULL AS tablespace,
45            '' AS indexdef
46        FROM rw_catalog.rw_tables t
47        JOIN rw_catalog.rw_schemas s ON t.schema_id = s.id
48        WHERE t.id IN (
49            SELECT DISTINCT relation_id
50            FROM rw_catalog.rw_columns
51            WHERE is_primary_key = true AND is_hidden = false
52        )
53    "
54)]
55#[derive(Fields)]
56struct PgIndexes {
57    schemaname: String,
58    tablename: String,
59    indexname: String,
60    tablespace: String,
61    indexdef: String,
62}
risingwave_frontend/catalog/system_catalog/pg_catalog/pg_indexes.rs

risingwave_frontend/catalog/system_catalog/pg_catalog/
pg_indexes.rs
