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googleapis / python-bigquery-dataframes Public

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fix: support melting empty DataFrames without crashing#2509

Merged

shuoweil merged 9 commits intomaingoogleapis/python-bigquery-dataframes:mainfrom

shuowei-fix-unpivot-emptygoogleapis/python-bigquery-dataframes:shuowei-fix-unpivot-emptyCopy head branch name to clipboard

Mar 23, 2026

Conversation Commits9 (9)Checks Files changed

Merged

fix: support melting empty DataFrames without crashing#2509
shuoweil merged 9 commits intomainfrom
shuowei-fix-unpivot-empty

Commits

Commits on Mar 20, 2026

fix: handle empty selections inside unpivot and melt layout arrays
shuoweil
committed
chore: address PR review comments
shuoweil
committed
test: add test_count_empty_multiindex_columns
shuoweil
committed
test: move test_dataframe_melt_multiindex per PR feedback
shuoweil
committed
fix: flatten untyped recursive NULL casts in bq compiler
shuoweil
committed
fix: apply typed NULL to unpivot for empty columns
shuoweil
committed
test: add test case for empty multiindex unpivot bypassing struct compiler bugs
shuoweil
committed
Merge branch 'main' into shuowei-fix-unpivot-empty
shuoweil
committed
revert: flatten untyped recursive NULL casts in bq compiler
shuoweil
committed

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