panbingkun commented on PR #46937:
URL: https://github.com/apache/spark/pull/46937#issuecomment-2164171368
> * Another approach is to define a `trait` as follows:
>
> ```
> trait JdbcDialectHelper {
>
> def classifyException(
> e: Throwable,
> errorClass: String,
> messageParameters: Map[String, String],
> description: String): AnalysisException = {
> new AnalysisException(
> errorClass = errorClass,
> messageParameters = messageParameters,
> cause = Some(e))
> }
> }
> ```
>
> eg:
>
> ```
> private[sql] case class H2Dialect() extends JdbcDialect with
`JdbcDialectHelper` {
>
> }
> ```
>
> and then have various built-in jdbc dialects `with` it, so that there is
no need to make changes to each built-in jdbc dialects dialect, but this will
add an extra `trait`.
>
I have already used this
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