risingwave_ctl/cmd_impl/
scale.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
15mod resize;
16
17pub use resize::*;
18use risingwave_pb::meta::table_parallelism::FixedParallelism;
19use risingwave_pb::meta::{TableParallelism, table_parallelism};
20
21use crate::common::CtlContext;
22
23pub async fn set_cdc_table_backfill_parallelism(
24    context: &CtlContext,
25    table_id: u32,
26    parallelism: u32,
27) -> anyhow::Result<()> {
28    let meta_client = context.meta_client().await?;
29    meta_client
30        .alter_cdc_table_backfill_parallelism(
31            table_id,
32            TableParallelism {
33                parallelism: Some(table_parallelism::Parallelism::Fixed(FixedParallelism {
34                    parallelism,
35                })),
36            },
37        )
38        .await?;
39    Ok(())
40}