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API: Design questions for HDFStore.append

API Design

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

Status: Open.

#60920 In pandas-dev/pandas;

· JakeTT404 opened on Feb 12, 2025

BUG: Read hdfs:/// is broken since 2.1.0

Bug

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Status: Open.

#58078 In pandas-dev/pandas;

· yli7-bloomberg opened on Mar 29, 2024

QST: Questions about HDF5 support of pandas

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Usage Question

Status: Open.

#56560 In pandas-dev/pandas;

· gapplef opened on Dec 19, 2023

BUG: SIGBUS in test_append_frame_column_oriented, test_select_filter_corner on arm

ARMaarch64 architectureaarch64 architecture

Bug

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

SegfaultNon-Recoverable ErrorNon-Recoverable Error

Status: Open.

#54396 In pandas-dev/pandas;

· thesamesam opened on Aug 4, 2023

DOC/DEPR: <code>to_hdf</code> produces a different file each time

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

Docs

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

Status: Open.

#51456 In pandas-dev/pandas;

· cschell opened on Feb 17, 2023

BUG: Reading a HDF with nested search terms produces different results depending on how the data is sorted

Bug

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

Status: Open.

#50598 In pandas-dev/pandas;

· bigtonylewis opened on Jan 6, 2023

PERF: Slow hdf_read on 10+ million row data + My fix

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

PerformanceMemory or execution speed performanceMemory or execution speed performance

Status: Open.

#47726 In pandas-dev/pandas;

· daniellevie opened on Jul 14, 2022

BUG: HDFStore: Compression not supported on Fixed format stores

Bug

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

Status: Open.

#47102 In pandas-dev/pandas;

· alexlenail opened on May 24, 2022

BUG: pytables.BinOp.prune passing str to BinOp constructor

Bug

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

Status: Open.

#46077 In pandas-dev/pandas;

· jbrockmendel opened on Feb 19, 2022

BUG: <code>df.to_hdf</code> fails when <code>DatetimeIndex</code> has <code>freq=pd.DateOffset(years=1)</code>

Bug

FrequencyDateOffsetsDateOffsets

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

Status: Open.

#45790 In pandas-dev/pandas;

· ChiQiao opened on Feb 3, 2022

BUG: pandas dataframe with string index containing row 'nan' gets converted to NaN when saved to and read from hdf5

Bug

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

Status: Open.

#45291 In pandas-dev/pandas;

· soumitrakp opened on Jan 10, 2022

BUG: pandas to_hdf has a problem with compressing multi key storage

Bug

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

Status: Open.

#45286 In pandas-dev/pandas;

· afshinmoshrefi opened on Jan 9, 2022