bito-code-review[bot] commented on code in PR #44219:
URL: https://github.com/apache/superset/pull/44219#discussion_r4002143538
##########
superset/dataframe.py:
##########
@@ -34,45 +43,54 @@ def _convert_big_integers(val: Any) -> Any:
:returns: the same value but recast as a string if it was an integer over
``JS_MAX_INTEGER``
"""
- return str(val) if isinstance(val, int) and abs(val) > JS_MAX_INTEGER else
val
-
-
-def _is_na(val: Any) -> bool:
- """
- Check if a value is NA/NaN for scalar values only.
-
- pd.isna() raises ValueError for arrays/lists, so we catch that case.
-
- :param val: the value to check
- :returns: True if the value is NA/NaN, False otherwise
- """
- try:
- return bool(pd.isna(val))
- except ValueError:
- # pd.isna raises ValueError for arrays (e.g., lists, dicts from JSON)
- return False
-
-
-def df_to_records(dframe: pd.DataFrame) -> list[dict[str, Any]]:
+ return str(val) if type(val) is int and abs(val) > JS_MAX_INTEGER else val
+
+
+def _is_trusted_missing_or_nonfinite(value: Any) -> bool:
+ """Recognize producer nulls without consulting object-column hooks."""
+ value_type = type(value)
+ if value_type in _PANDAS_MISSING_TYPES:
+ return True
+ if value_type is Decimal:
+ return not Decimal.is_finite(value)
+ if value_type is float:
+ return not math.isfinite(value)
+ if value_type in _NUMPY_FLOAT_TYPES:
+ return not math.isfinite(float(value))
+ return False
Review Comment:
<div>
<div id="suggestion">
<div id="issue"><b>longdouble overflow nulls data</b></div>
<div id="fix">
`math.isfinite(float(value))` overflows finite `np.longdouble` values above
float64 max (e.g. `np.longdouble('1e400')`) to `inf`, so
`_is_trusted_missing_or_nonfinite` returns True and the value is silently
converted to None (data loss). Use `np.isfinite(value)` instead, which handles
longdouble correctly.
</div>
<details>
<summary>
<b>Code suggestion</b>
</summary>
<blockquote>Check the AI-generated fix before applying</blockquote>
<div id="code">
````suggestion
if value_type in _NUMPY_FLOAT_TYPES:
return not np.isfinite(value)
return False
````
</div>
</details>
</div>
<small><i>Code Review Run #c713d3</i></small>
</div>
---
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- [ ] Yes, avoid them
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