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perf: Cache transpose to allow performant retranspose #635

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Merged
merged 5 commits into from
Apr 25, 2024
Merged

perf: Cache transpose to allow performant retranspose #635

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6c6c806
perf: Cache transpose to allow performant retranspose
TrevorBergeron Apr 23, 2024
5182c22
Merge remote-tracking branch 'github/main' into index_cache
TrevorBergeron Apr 23, 2024
a656548
fix multi-apply varname
TrevorBergeron Apr 23, 2024
1a34078
fix label on df aggregate
TrevorBergeron Apr 23, 2024
51c7f68
reduce transpose count in test to not hit 3.12 recursion limit
TrevorBergeron Apr 24, 2024
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fix label on df aggregate
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@TrevorBergeron
TrevorBergeron committed Apr 23, 2024
commit 1a340789a70216b909af0fa07a534cb29e98b1d9
4 changes: 2 additions & 2 deletions bigframes/core/blocks.py
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Original file line number Diff line number Diff line change
Expand Up @@ -828,7 +828,7 @@ def multi_apply_unary_op(
input_varname = input_varnames[0]

block = self
for i, col_id in enumerate(columns):
for col_id in columns:
label = self.col_id_to_label[col_id]
block, result_id = block.project_expr(
expr.bind_all_variables({input_varname: ex.free_var(col_id)}),
Expand Down Expand Up @@ -960,7 +960,7 @@ def aggregate_all_and_stack(
result_expr,
index_columns=[index_id],
column_labels=self.column_labels,
index_labels=self.column_labels.names,
index_labels=[None],
).transpose(original_row_index=pd.Index([None]))
else: # axis_n == 1
# using offsets as identity to group on.
Expand Down