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V3 Tracking issue
#1818 · Fokko opened on Mar 20, 2025
11
PyIceberg Production Use case survey
#1202 · kevinjqliu opened on Sep 24, 2024
16

delete() and overwrite() raise Cannot create expression literal from NaN on a NaN identity partition
apache/iceberg-python#4277 · opened on Nov 3, 2026
count() and to_arrow() disagree for != on a nullable identity partition
apache/iceberg-python#4276 · opened on Nov 3, 2026
[EPIC] Migrate static type checking to ty
apache/iceberg-python#4271 · opened on Nov 2, 2026
inspect.files() and the other file metadata tables raise ArrowInvalid when a snapshot has no manifests
apache/iceberg-python#4269 · opened on Nov 2, 2026
Scan raises ResolveError for a required identity-partition column that is not in the data file
apache/iceberg-python#4267 · opened on Nov 2, 2026
After promoting a float column to double, > and != filters drop rows from older files
apache/iceberg-python#4203 · opened on Oct 30, 2026
A stale update_sort_order adds a second sort order with an existing id, which Java cannot load
apache/iceberg-python#4202 · opened on Oct 30, 2026
expire_snapshots on a stale table deletes a branch moved onto the expired snapshot
apache/iceberg-python#4200 · opened on Oct 30, 2026
A stale update_spec adds a partition field named like a column another writer added, which Java cannot load
apache/iceberg-python#4198 · opened on Oct 30, 2026
dynamic_partition_overwrite by identity(s.x) deletes rows by top-level x
apache/iceberg-python#4196 · opened on Oct 30, 2026
2
Appending to a branch that does not exist creates it without main's rows
apache/iceberg-python#4195 · opened on Oct 30, 2026
1
A retried upsert inserts a key that a concurrent writer already inserted
apache/iceberg-python#4194 · opened on Oct 30, 2026
1
incremental_append_scan from an expired start fails after expire_snapshots
apache/iceberg-python#4193 · opened on Oct 30, 2026
2
dynamic_partition_overwrite after an in-transaction update_spec loses rows
apache/iceberg-python#4192 · opened on Oct 30, 2026
add_files puts a file holding a value and NULLs in that value's partition
apache/iceberg-python#4191 · opened on Oct 30, 2026
A stale add_column reuses a dropped column's field id and schema id
apache/iceberg-python#4190 · opened on Oct 30, 2026
1
A long transaction committed past a concurrent tag writes metadata Java rejects
apache/iceberg-python#4189 · opened on Oct 30, 2026
A retried append records its file under a concurrently added partition spec
apache/iceberg-python#4188 · opened on Oct 30, 2026
1
create_branch and create_tag replace an existing ref of the same name
apache/iceberg-python#4187 · opened on Oct 30, 2026
1
inspect.entries() raises TypeError when a data file has no column_sizes
apache/iceberg-python#4186 · opened on Oct 30, 2026
2
snapshot_as_of_timestamp returns an older snapshot after expire_snapshots
apache/iceberg-python#4185 · opened on Oct 30, 2026
1
Table.delete() with an OR filter deletes the wrong rows when a column is NULL
apache/iceberg-python#4184 · opened on Oct 30, 2026
A transaction writing two branches overwrites concurrent changes to the second
apache/iceberg-python#4183 · opened on Oct 30, 2026
older_than reads a naive datetime as UTC and expires snapshots it should keep
apache/iceberg-python#4182 · opened on Oct 30, 2026
1
Overwrite keeps deleted-only manifests, so the manifest list grows by one on every overwrite
apache/iceberg-python#4165 · opened on Oct 27, 2026

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Issues

Issues

`delete()` and `overwrite()` raise `Cannot create expression literal from NaN` on a NaN identity partition

`count()` and `to_arrow()` disagree for `!=` on a nullable identity partition

[EPIC] Migrate static type checking to ty

`inspect.files()` and the other file metadata tables raise `ArrowInvalid` when a snapshot has no manifests

Scan raises ResolveError for a required identity-partition column that is not in the data file

After promoting a `float` column to `double`, `>` and `!=` filters drop rows from older files

A stale `update_sort_order` adds a second sort order with an existing id, which Java cannot load

`expire_snapshots` on a stale table deletes a branch moved onto the expired snapshot

A stale `update_spec` adds a partition field named like a column another writer added, which Java cannot load

`dynamic_partition_overwrite` by `identity(s.x)` deletes rows by top-level `x`

Appending to a branch that does not exist creates it without main's rows

A retried `upsert` inserts a key that a concurrent writer already inserted

`incremental_append_scan` from an expired start fails after `expire_snapshots`

`dynamic_partition_overwrite` after an in-transaction `update_spec` loses rows

`add_files` puts a file holding a value and NULLs in that value's partition

A stale `add_column` reuses a dropped column's field id and schema id

A long transaction committed past a concurrent tag writes metadata Java rejects

A retried append records its file under a concurrently added partition spec

`create_branch` and `create_tag` replace an existing ref of the same name

`inspect.entries()` raises TypeError when a data file has no column_sizes

`snapshot_as_of_timestamp` returns an older snapshot after `expire_snapshots`

Table.delete() with an OR filter deletes the wrong rows when a column is NULL

A transaction writing two branches overwrites concurrent changes to the second

`older_than` reads a naive datetime as UTC and expires snapshots it should keep

Overwrite keeps deleted-only manifests, so the manifest list grows by one on every overwrite