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Issues list

API: Design questions for HDFStore.append API Design IO HDF5 read_hdf, HDFStore Needs Discussion Requires discussion from core team before further action
#60920 opened Feb 12, 2025 by JakeTT404
3
BUG: queries on categorical string columns in HDFStore.select() return unexpected results Bug Categorical Categorical Data Type IO HDF5 read_hdf, HDFStore
#57608 opened Feb 25, 2024 by orionbelt
2 of 3 tasks
1
1
BUG: SIGBUS in test_append_frame_column_oriented, test_select_filter_corner on arm ARM aarch64 architecture Bug IO HDF5 read_hdf, HDFStore Segfault Non-Recoverable Error
#54396 opened Aug 4, 2023 by thesamesam
3 tasks done
3
DOC/DEPR: to_hdf produces a different file each time Deprecate Functionality to remove in pandas Docs IO HDF5 read_hdf, HDFStore
#51456 opened Feb 17, 2023 by cschell
2 of 3 tasks
14
BUG: Reading a HDF with nested search terms produces different results depending on how the data is sorted Bug IO HDF5 read_hdf, HDFStore
#50598 opened Jan 6, 2023 by bigtonylewis
3 tasks done
PERF: Slow hdf_read on 10+ million row data + My fix IO HDF5 read_hdf, HDFStore Performance Memory or execution speed performance
#47726 opened Jul 14, 2022 by daniellevie
3 tasks done
5
BUG: HDFStore: Compression not supported on Fixed format stores Bug IO HDF5 read_hdf, HDFStore
#47102 opened May 24, 2022 by alexlenail
3 tasks done
2
BUG: pytables.BinOp.prune passing str to BinOp constructor Bug IO HDF5 read_hdf, HDFStore
#46077 opened Feb 19, 2022 by jbrockmendel
BUG: df.to_hdf fails when DatetimeIndex has freq=pd.DateOffset(years=1) Bug Frequency DateOffsets IO HDF5 read_hdf, HDFStore
#45790 opened Feb 3, 2022 by ChiQiao
2 of 3 tasks
BUG: pandas dataframe with string index containing row 'nan' gets converted to NaN when saved to and read from hdf5 Bug IO HDF5 read_hdf, HDFStore
#45291 opened Jan 10, 2022 by soumitrakp
1 of 3 tasks
1
BUG: pandas to_hdf has a problem with compressing multi key storage Bug IO HDF5 read_hdf, HDFStore
#45286 opened Jan 9, 2022 by afshinmoshrefi
2 of 3 tasks
1
BUG: error writing sparse DataFrame to HDF Bug IO HDF5 read_hdf, HDFStore Sparse Sparse Data Type
#42070 opened Jun 17, 2021 by raphaelquast
2 of 3 tasks
2
BUG: PeriodIndex inconsistent deserialization with HDF5 - PyTables Bug IO HDF5 read_hdf, HDFStore Period Period data type
#41978 opened Jun 13, 2021 by ra1nty
3 tasks done
5
BUG: DataFrame.to_hdf cannot handle data_columns for a column named 'index' Bug IO HDF5 read_hdf, HDFStore
#41437 opened May 12, 2021 by Pierre-Bartet
1
BUG: HDFStore.select does not handle arithmetic operators correctly Bug IO HDF5 read_hdf, HDFStore
#41100 opened Apr 22, 2021 by Traderjoe95
BUG: ValueError when using hdf select with long select strings Bug IO HDF5 read_hdf, HDFStore
#39752 opened Feb 11, 2021 by skwde
2 of 3 tasks
BUG: Unable to write to hdf when format='table' and list-like values are present in a column Enhancement IO HDF5 read_hdf, HDFStore
#39138 opened Jan 13, 2021 by galipremsagar
2 of 3 tasks
1
BUG: IntervalIndex cannot be saved to HDF file Bug Interval Interval data type IO HDF5 read_hdf, HDFStore Regression Functionality that used to work in a prior pandas version
#38305 opened Dec 5, 2020 by twoertwein
2 of 3 tasks
1
BUG: HDFStore mishandles pd.categorical when initialized with custom categories Bug Categorical Categorical Data Type IO HDF5 read_hdf, HDFStore
#38131 opened Nov 28, 2020 by PaulAmosKreiner
2 of 3 tasks
BUG: DataFrame doesn't roundtrip with HDFStore(..., format='table', dropna=True) Bug Index Related to the Index class or subclasses IO HDF5 read_hdf, HDFStore
#37624 opened Nov 4, 2020 by arw2019
BUG: HDFStore.get_storer.shape returns (1, #) when the table has 0 row Bug IO HDF5 read_hdf, HDFStore
#37235 opened Oct 19, 2020 by chris0411
BUG:ValueError: Invalid frequency with date Bug IO HDF5 read_hdf, HDFStore
#35917 opened Aug 27, 2020 by lygujiaxin
2 tasks done
8
BUG: DataFrame.attrs are lost when writing to HDF5 Bug IO HDF5 read_hdf, HDFStore metadata _metadata, .attrs
#34596 opened Jun 5, 2020 by ulijh
2 of 3 tasks
5
BUG: Cannot save categorical index to HDF5 Bug Categorical Categorical Data Type IO HDF5 read_hdf, HDFStore
#33909 opened May 1, 2020 by jakeanq
2 of 3 tasks
1
pandas >= 1.0.0 fails to read an old HDF5 file Bug IO HDF5 read_hdf, HDFStore
#33186 opened Mar 31, 2020 by lschr
4
ProTip! What’s not been updated in a month: updated:<2025-04-19.