risingwave_ctl/cmd_impl/
scale.rs

1// Copyright 2023 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_pb::meta::table_parallelism::FixedParallelism;
16use risingwave_pb::meta::{TableParallelism, table_parallelism};
17
18use crate::common::CtlContext;
19
20pub async fn set_cdc_table_backfill_parallelism(
21    context: &CtlContext,
22    table_id: u32,
23    parallelism: u32,
24) -> anyhow::Result<()> {
25    let meta_client = context.meta_client().await?;
26    meta_client
27        .alter_cdc_table_backfill_parallelism(
28            table_id.into(),
29            TableParallelism {
30                parallelism: Some(table_parallelism::Parallelism::Fixed(FixedParallelism {
31                    parallelism,
32                })),
33            },
34        )
35        .await?;
36    Ok(())
37}