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perf(postprocessing): improve pivot postprocessing operation (#23465) 

Co-authored-by: Usiel Riedl <usiel.riedl@automattic.com>
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Usiel Riedl 2023-03-24 13:53:34 +08:00 committed by GitHub
parent d1947f7354
commit be2eb3157c
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1 changed files with 2 additions and 5 deletions
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7
superset/utils/pandas_postprocessing/pivot.py
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@ -87,7 +87,7 @@ def pivot( # pylint: disable=too-many-arguments,too-many-locals
if not drop_missing_columns and columns:
for row in df[columns].itertuples():
for metric in aggfunc.keys():
series_set.add(str(tuple([metric]) + tuple(row[1:])))
series_set.add(tuple([metric]) + tuple(row[1:]))
df = df.pivot_table(
values=aggfunc.keys(),
@ -101,10 +101,7 @@ def pivot( # pylint: disable=too-many-arguments,too-many-locals
)
if not drop_missing_columns and len(series_set) > 0 and not df.empty:
for col in df.columns:
series = str(col)
if series not in series_set:
df = df.drop(col, axis=PandasAxis.COLUMN)
df = df.drop(df.columns.difference(series_set), axis=PandasAxis.COLUMN)
if combine_value_with_metric:
df = df.stack(0).unstack()