HarshithGamini commented on issue #12066:
URL: https://github.com/apache/superset/issues/12066#issuecomment-3080048033
The root cause is the backend logic to get_data( ) in `class
TimeTableViz(BaseViz):`
`
```
@deprecated(deprecated_in="3.0")
def get_data(self, df: pd.DataFrame) -> VizData:
if df.empty:
return None
```
columns = None
values: list[str] | str = self.metric_labels
if self.form_data.get("groupby"):
values = self.metric_labels[0]
columns = get_column_names(self.form_data.get("groupby"))
pt = df.pivot_table(index=DTTM_ALIAS, columns=columns, values=values)
pt.index = pt.index.map(str)
pt = pt.sort_index()
return {
"records": pt.to_dict(orient="index"),
"columns": list(pt.columns),
"is_group_by": bool(self.form_data.get("groupby")),
}
`
@rusackas, Is this supposed to be deprecated in 3.0?
The time-series table chart still uses it as of latest master, we could
implement a fix as mentioned by @dosu to flatten tuple keys to strings before
returning the dictionary.
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