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Handle empty dataframes in TableViz #9480

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Apr 7, 2020
Merged

Handle empty dataframes in TableViz #9480

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23 changes: 12 additions & 11 deletions superset/viz.py
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Original file line number Diff line number Diff line change
Expand Up @@ -625,17 +625,18 @@ def get_data(self, df: pd.DataFrame) -> VizData:
self.form_data.get("percent_metrics") or []
)

df = pd.concat(
[
df[non_percent_metric_columns],
(
df[percent_metric_columns]
.div(df[percent_metric_columns].sum())
.add_prefix("%")
),
],
axis=1,
)
if not df.empty:
df = pd.concat(
[
df[non_percent_metric_columns],
(
df[percent_metric_columns]
.div(df[percent_metric_columns].sum())
.add_prefix("%")
),
],
axis=1,
)

data = self.handle_js_int_overflow(
dict(records=df.to_dict(orient="records"), columns=list(df.columns))
Expand Down