ramiroaquinoromero opened a new pull request, #37071:
URL: https://github.com/apache/superset/pull/37071
## Summary
Fix NaN Handling in DataFrame Conversion for All Database Connections
## Problem Description
When executing queries that produce NaN (Not a Number) values—such as
division by zero operations—Superset would fail when attempting to save the
results as a dataset or serialize the data to JSON. This issue affected all
database connections, but was particularly noticeable with Amazon Athena, where
queries like `SELECT 0.00 / 0.00` return IEEE 754 NaN values.
The root cause was that Python's `float('nan')` values cannot be serialized
to valid JSON without special handling. When users attempted to save query
results containing NaN values as datasets, the JSON serialization would fail,
resulting in errors displayed in the UI.
### ADDITIONAL INFORMATION
- [ ] Has associated issue:
- [ ] Required feature flags:
- [ ] Changes UI
- [ ] Includes DB Migration (follow approval process in
[SIP-59](https://github.com/apache/superset/issues/13351))
- [ ] Migration is atomic, supports rollback & is backwards-compatible
- [ ] Confirm DB migration upgrade and downgrade tested
- [ ] Runtime estimates and downtime expectations provided
- [ ] Introduces new feature or API
- [ ] Removes existing feature or API
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