apache/iceberg-python

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PyIceberg

Stars: 1.1k
Forks: 581
Open beginner issues: 0
Indexed issues: 143
Avg merge: 1d 17h
Merged PRs (30d): 78

Dominant language: Python
License: Apache-2.0
Last GitHub push: Sep 13, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

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141 open issues indexed

Why non-atomic delete and upsert? Open

apache/iceberg-python#3577 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Allow user to define a subset of columns for update detection in UPSERT Open

apache/iceberg-python#3598 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support merge-on-read deletes on v2 tables Open

apache/iceberg-python#3618 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Support writing V3 metadata Open

apache/iceberg-python#3619 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support writing V3 manifests and manifest lists Open

apache/iceberg-python#3620 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support row lineage assignment on commit Open

apache/iceberg-python#3621 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support upgrading tables to format version 3 Open

apache/iceberg-python#3622 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
FsspecFileIO remote signing (S3V4RestSigner) never fires on modern aiobotocore — S3 requests sent unsigned Open

apache/iceberg-python#3625 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support multi-argument transforms Open

apache/iceberg-python#3628 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support rewrite_manifests table maintenance Open

apache/iceberg-python#3629 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
BucketTransform fails on dictionary-encoded pyArrow arrays Open

apache/iceberg-python#3633 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Avro schema is re-converted to an Iceberg schema on every manifest read during scan planning Open

apache/iceberg-python#3662 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
TruncateTransform.satisfies_order_of raises AttributeError for different widths Open

apache/iceberg-python#3680 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
check codebase for python truthiness error Open

apache/iceberg-python#3713 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
add test to enumerate all pyarrow types Open

apache/iceberg-python#3714 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Pluggable Backend Interface with DataFusion for Bounded-Memory Compute Open

apache/iceberg-python#3715 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Decompose io/pyarrow.py into focused modules to enable pluggable compute engines Open

apache/iceberg-python#3737 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
default to merge append instead of fast append Open

apache/iceberg-python#3741 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Metadata inspection APIs fail with struct.error after int→long / float→double type promotion Open

apache/iceberg-python#3744 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Cannot connect to a Hive Metastore with Kerberos when the principal's host differs from the URI host Open

apache/iceberg-python#3787 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
IO: Consolidate PyArrow logic into io/pyarrow.py before decomposition Open

apache/iceberg-python#3812 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Null list<struct<...>> is written and read as an empty list Open

apache/iceberg-python#3833 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Error when upserting and updating dataframes with dictionary encoded columns Open

apache/iceberg-python#3835 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] REST catalog drop_table serializes purgeRequested as "True" instead of "true" Open

apache/iceberg-python#3836 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add support for bucket expression to table scans Open

apache/iceberg-python#3839 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support optional Parquet page index writes Open

apache/iceberg-python#3847 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Honor identity sort orders for Arrow table writes Open

apache/iceberg-python#3848 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
_DeleteFiles.delete_data_file() silently drops explicit file references Open

apache/iceberg-python#3857 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Upsert gets slow on tables with many columns Open

apache/iceberg-python#3860 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Async API for RestCatalog Open

apache/iceberg-python#3861 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] PyArrowFileIO fails to propagate s3.ssl.ca-cert to pyarrow.fs.S3FileSystem tls_ca_file_path Open

apache/iceberg-python#3866 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
FsspecFileIO: `_adls` mutates shared properties, so a second storage account gets the first account's filesystem Open

apache/iceberg-python#3885 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Allow disabling remote signing in REST Catalog Open

apache/iceberg-python#3888 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Concurrent writes to a remote-signing catalog go out unsigned and fail 403 Open

apache/iceberg-python#3896 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature Request] Add pyiceberg.catalog.hadoop.HadoopCatalog (filesystem-only catalog) Open

apache/iceberg-python#3897 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add maintenance action to remove dangling delete files Open

apache/iceberg-python#3925 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Agent Skills Open

apache/iceberg-python#3929 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Table properties override catalog configuration when constructing FileIO Open

bug

apache/iceberg-python#3931 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Implementation classes named in table properties are imported and instantiated without a type check Open

bug

apache/iceberg-python#3932 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Cython Avro decoder reads past the buffer end on malformed input Open

bug

apache/iceberg-python#3952 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Make manifest records schema-aware to avoid field mismatches across format versions Open

bug

apache/iceberg-python#3957 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026

apache/iceberg-python

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