risingwave_dml/
error.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
15/// The error type for DML operations.
16#[derive(thiserror::Error, Debug)]
17pub enum DmlError {
18    #[error("table schema has changed, please try again later")]
19    SchemaChanged,
20
21    #[error(
22        "DML is not permitted during cluster recovery (no available table reader in streaming executors)"
23    )]
24    NoReader,
25
26    #[error("table reader closed")]
27    ReaderClosed,
28}
29
30pub type Result<T> = std::result::Result<T, DmlError>;