bito-code-review[bot] commented on code in PR #44526:
URL: https://github.com/apache/superset/pull/44526#discussion_r4124547461
##########
superset/common/query_context_factory.py:
##########
@@ -275,6 +275,27 @@ def _apply_granularity( # noqa: C901
query_object.granularity = main_dttm_col
return
+ # A ``query_context`` saved by an older version carries no
+ # ``granularity`` of its own and no x-axis at all: its temporal column
+ # survives only in ``form_data`` as ``granularity_sqla``. Explore
+ # rebuilds the query from ``form_data`` on every render and never
+ # notices, but every other consumer replays the stored query verbatim
+ # and fails the ``not granularity and is_timeseries`` check in
+ # ``models.helpers``. The absent x-axis is what distinguishes this
shape
+ # from a modern chart, so it is tested first. Recover the column the
way
+ # Explore effectively does, preferring what the chart saved over the
+ # dataset default.
+ if (
+ not x_axis
+ and query_object.granularity is None
+ and query_object.is_timeseries
+ ):
+ legacy_granularity = (form_data or {}).get("granularity_sqla") or
getattr(
+ datasource, "main_dttm_col", None
+ )
+ if legacy_granularity in temporal_columns:
+ query_object.granularity = legacy_granularity
Review Comment:
<!-- Bito Reply -->
The suggestion to guard the membership test with
`isinstance(legacy_granularity, str)` is appropriate. It prevents a `TypeError`
when `granularity_sqla` is an adhoc dictionary, ensuring the code safely
handles legacy chart configurations.
**superset/common/query_context_factory.py**
```
legacy_granularity = (form_data or {}).get("granularity_sqla") or getattr(
datasource, "main_dttm_col", None
)
if isinstance(legacy_granularity, str) and legacy_granularity in
temporal_columns:
query_object.granularity = legacy_granularity
```
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