pgwire/error_or_notice.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 std::borrow::Cow;
16
17use risingwave_common::error::code::PostgresErrorCode;
18use risingwave_common::error::error_request_copy;
19use thiserror_ext::AsReport;
20
21/// ErrorOrNoticeMessage defines messages that can appear in ErrorResponse and NoticeResponse.
22pub struct ErrorOrNoticeMessage<'a> {
23 pub severity: Severity,
24 pub error_code: PostgresErrorCode,
25 pub message: Cow<'a, str>,
26}
27
28impl<'a> ErrorOrNoticeMessage<'a> {
29 /// Create a Postgres error message from an error, with the error code and message extracted from the error.
30 pub fn error(error: &(dyn std::error::Error + 'static)) -> Self {
31 let message = error.to_report_string_pretty();
32 let error_code = error_request_copy::<PostgresErrorCode>(error)
33 .filter(|e| e.is_error()) // should not be warning or success
34 .unwrap_or(PostgresErrorCode::InternalError);
35
36 Self {
37 severity: Severity::Error,
38 error_code,
39 message: Cow::Owned(message),
40 }
41 }
42
43 /// Create a Postgres notice message from a string.
44 pub fn notice(message: &'a str) -> Self {
45 Self {
46 severity: Severity::Notice,
47 error_code: PostgresErrorCode::SuccessfulCompletion,
48 message: Cow::Borrowed(message),
49 }
50 }
51}
52
53/// Severity: the field contents are ERROR, FATAL, or PANIC (in an error message), or WARNING,
54/// NOTICE, DEBUG, INFO, or LOG (in a notice message), or a localized translation of one of these.
55/// Always present.
56#[derive(PartialEq, Eq, Clone, Debug)]
57pub enum Severity {
58 Error,
59 Fatal,
60 Panic,
61 Notice,
62 Warning,
63 Debug,
64 Log,
65 Info,
66}
67
68impl Severity {
69 pub fn as_str(&self) -> &str {
70 match self {
71 Severity::Error => "ERROR",
72 Severity::Fatal => "FATAL",
73 Severity::Panic => "PANIC",
74 Severity::Notice => "NOTICE",
75 Severity::Warning => "WARNING",
76 Severity::Debug => "DEBUG",
77 Severity::Log => "LOG",
78 Severity::Info => "INFO",
79 }
80 }
81}