metric_engine/engine/alter/
validate.rs

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
// Copyright 2023 Greptime Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use snafu::ensure;
use store_api::region_request::{AlterKind, RegionAlterRequest};
use store_api::storage::RegionId;

use crate::error::{Result, UnsupportedAlterKindSnafu};

/// Validate the alter region requests.
pub fn validate_alter_region_requests(requests: &[(RegionId, RegionAlterRequest)]) -> Result<()> {
    for (_, request) in requests {
        ensure!(
            matches!(request.kind, AlterKind::AddColumns { .. }),
            UnsupportedAlterKindSnafu {
                kind: request.kind.as_ref()
            }
        );
    }

    Ok(())
}