HyukjinKwon opened a new pull request #34219:
URL: https://github.com/apache/spark/pull/34219
### What changes were proposed in this pull request?
This PR proposes to leverage the error message framework by exposing the
methods below:
- `getErrorClass`
- `getSqlState`
at captured PySpark SQL exceptions (from `SparkThrowable`).
In addition, this PR adds a bit of refactoring. Previously the exception
capture was done by string comparison which is flaky. Now, the logic leverages
`isInstanceOf` on JVM.
### Why are the changes needed?
Users can leverage the error class and SQL state codes by:
```python
try:
...
except AnalysisException as e:
if e.getSqlState.startswith("4"):
...
```
### Does this PR introduce _any_ user-facing change?
Yes, users now can get `getErrorClass` and `getSqlState` from SQL exceptions.
### How was this patch tested?
Manually tested, and unittests were added.
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