Enum CatalogBuildError 

pub enum CatalogBuildError {
    Empty,
    TooManyDatasources,
    InvalidName(DatasourceNameError),
    Duplicate(DatasourceRef),
}

业务作用：描述冻结 catalog 构造失败的无连接副作用原因。

Variants

Empty

没有 datasource。

TooManyDatasources

数量超过受管上限。

InvalidName(DatasourceNameError)

名称非法。

Duplicate(DatasourceRef)

名称重复。

Trait Implementations

impl Debug for CatalogBuildError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for CatalogBuildError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for CatalogBuildError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.