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refactor(expr): introduce ExprError (#3081)
* refactor(expr): introduce ExprError Signed-off-by: TennyZhuang <[email protected]> * fix test Signed-off-by: TennyZhuang <[email protected]> * fix clippy Signed-off-by: TennyZhuang <[email protected]> * prefer to use try_collect Signed-off-by: TennyZhuang <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| // Copyright 2022 Singularity Data | ||
| // | ||
| // 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. | ||
|
|
||
| pub use anyhow::anyhow; | ||
| use risingwave_common::error::{ErrorCode, RwError}; | ||
| use risingwave_common::types::DataType; | ||
| use thiserror::Error; | ||
|
|
||
| #[derive(Error, Debug)] | ||
| pub enum ExprError { | ||
| #[error("Unsupported function: {0}")] | ||
| UnsupportedFunction(String), | ||
|
|
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| #[error("Can't cast {0} to {1}")] | ||
| Cast(&'static str, &'static str), | ||
|
|
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| // TODO: Unify Cast and Cast2. | ||
| #[error("Can't cast {0:?} to {1:?}")] | ||
| Cast2(DataType, DataType), | ||
|
|
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| #[error("Out of range")] | ||
| NumericOutOfRange, | ||
|
|
||
| #[error("Parse error: {0}")] | ||
| Parse(&'static str), | ||
|
|
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| #[error("Invalid parameter {name}: {reason}")] | ||
| InvalidParam { name: &'static str, reason: String }, | ||
|
|
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| #[error("Array error: {0}")] | ||
| Array( | ||
| #[backtrace] | ||
| #[source] | ||
| RwError, | ||
| ), | ||
|
|
||
| #[error(transparent)] | ||
| Internal(#[from] anyhow::Error), | ||
| } | ||
|
|
||
| #[macro_export] | ||
| macro_rules! ensure { | ||
| ($cond:expr $(,)?) => { | ||
| if !$cond { | ||
| return Err($crate::ExprError::Internal($crate::error::anyhow!( | ||
| stringify!($cond) | ||
| ))); | ||
| } | ||
| }; | ||
| ($cond:expr, $msg:literal $(,)?) => { | ||
| if !$cond { | ||
| return Err($crate::ExprError::Internal($crate::error::anyhow!($msg))); | ||
| } | ||
| }; | ||
| ($cond:expr, $err:expr $(,)?) => { | ||
| if !$cond { | ||
| return Err($crate::ExprError::Internal($crate::error::anyhow!$err)); | ||
| } | ||
| }; | ||
| ($cond:expr, $fmt:expr, $($arg:tt)*) => { | ||
| if !$cond { | ||
| return Err($crate::ExprError::Internal($crate::error::anyhow!($fmt, $($arg)*))); | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| impl From<ExprError> for RwError { | ||
| fn from(s: ExprError) -> Self { | ||
| ErrorCode::ExprError(Box::new(s)).into() | ||
| } | ||
| } | ||
|
|
||
| #[macro_export] | ||
| macro_rules! bail { | ||
| ($msg:literal $(,)?) => { | ||
| return Err($crate::ExprError::Internal($crate::error::anyhow!($msg))) | ||
| }; | ||
| ($err:expr $(,)?) => { | ||
| return Err($crate::ExprError::Internal($crate::error::anyhow!($err))) | ||
| }; | ||
| ($fmt:expr, $($arg:tt)*) => { | ||
| return Err($crate::ExprError::Internal($crate::error::anyhow!($fmt, $($arg)*))) | ||
| }; | ||
| } |
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