arrow-rs good first issues (Rust)

InvalidArgumentError("Expected 1 buffers in array of type FixedSizeBinary(4), got 2" 2 days ago

bug help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Split cast tests into an arrow-cast/tests test suite 3 days ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Split up Parquet async reader tests 6 days ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Error when reading row group larger than 2GB (total string length per 8k row batch exceeds 2GB) 13 days ago

parquet bug help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Improve parquet ArrayReaderBuilder tests 15 days ago

good first issue

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Parse Durations From String 20 days ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Bloom filters for i8 and i16 always return false negatives 21 days ago

bug help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Consolidate round trip parquet tests 25 days ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Split remaining cast implementations out of cast/mod.rs about 1 month ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Automatically run and track arrow / parquet benchmarks over time about 1 month ago

enhancement help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Support Arrow C Stream interface containing stream of `Array` about 1 month ago

enhancement help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Split up Parquet reader tests about 2 months ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] Improve ergonomic for creating VariantArray about 2 months ago

good first issue

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Override DeltaBitPackEncoder Defaults about 2 months ago

enhancement help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Split up arrow_cast::cast about 2 months ago

enhancement help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Epic] Replace `OffsetBufferBuilder` / `BufferBuilder` usage with `Vec`, when possible about 2 months ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Update doc to recommend to use PrimitiveBuilder or PrimitiveArray::from() 2 months ago

documentation good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Option to Automatically Infer if CSV file has a header 2 months ago

enhancement help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

JSON decoder for RunEndEncoded accepts nulls even though the values field is non-nullable 3 months ago

good first issue bug

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Enable clippy lint `clippy::allow_attributes` 3 months ago

good first issue

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

use taiki-e action to install tools in CI from binary 3 months ago

good first issue enhancement development-process

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Replace decimal power calls with lookup table 3 months ago

good first issue enhancement performance

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Support Utf8View for rank 3 months ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Run miri against more crates 3 months ago

good first issue enhancement development-process

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

json: reading nulls into listviewvalues when declared as not nullable should error 3 months ago

good first issue bug

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Reading json `map` with non-nullable value schema doesn't error if values are actually null 3 months ago

good first issue bug

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Add CI test for minimal dependencies 3 months ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Add coerce_types flag to parquet ArrowWriter 3 months ago

enhancement help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

`get_slice_memory_size` underestimates memory for `StringViewArray` 3 months ago

good first issue bug

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Safe API to replace `NullBuffers` for Arrays 3 months ago

arrow enhancement help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Evaluate Using Interleave Kernel for Zip 4 months ago

enhancement help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Make an API to help with the pattern of 'replaces the values of the REE array' 6 months ago

good first issue arrow

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Consolidate parquet examples into the doc comments 10 months ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] Documentation for `VariantObject::get` incorrectly references `Result` type 10 months ago

good first issue bug

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Remove Misleading BooleanBufferBuilder::reserve Doc 10 months ago

documentation good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

deprecate public export of test_utils 10 months ago

good first issue arrow

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Change default behavior for Parquet `PageEncodingStats` 10 months ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Move `RunArray::get_physical_indices` to `RunEndBuffer` 11 months ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

`cargo test -p arrow-cast` fails on main 12 months ago

good first issue bug

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Utf8View / BinaryView / `StringViewArray::slice()` and `BinaryViewArray::slice()` are slow (they allocate) about 1 year ago

arrow enhancement performance help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] [Shredding] Support typed_access for `Time64(Microsecond)` about 1 year ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] [Shredding] Support typed_access for `Utf8` and `BinaryView` about 1 year ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] [Shredding] Support typed_access for `Decimal128` about 1 year ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] [Shredding] Support typed_access for `FixedSizeBinary` about 1 year ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] [Shredding] Support typed_access for `Timestamp(Microsecond, _)` and `Timestamp(Nanosecond, _)` about 1 year ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] [Shredding] Support typed_access for `Date32` about 1 year ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] [Shredding] Support typed_access for `Boolean` about 1 year ago

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

Improve human readable display for `DataType::List` about 1 year ago

good first issue enhancement help wanted

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] Rename `batch_json_string_to_variant` and `batch_variant_to_json_string` json_to_variant about 1 year ago

good first issue enhancement parquet-variant

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Avro] Use `Write` rather `dyn Write` in Decoder about 1 year ago

good first issue arrow-avro

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[avro] Use `tempfile` crate rather than custom temporary file generator in tests about 1 year ago

good first issue arrow-avro

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] `impl FromIterator` fpr `VariantPath` over 1 year ago

AI Summary: Implement `FromIterator` for the `VariantPath` type in the Apache Arrow Rust project, allowing creation of `VariantPath` instances from iterators of strings and numbers. This would enable more concise and flexible creation of `VariantPath` objects.

Complexity: 3/5

good first issue

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] remove VariantMetadata::dictionary_size over 1 year ago

AI Summary: The task is to remove the redundant public methods `dictionary_size` from the `VariantMetadata` struct in the Apache Arrow Rust implementation. This involves identifying and removing the specified methods from the source code, ensuring no functionality is broken, and potentially updating related documentation.

Complexity: 2/5

good first issue

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] Tests for creating "large" `VariantObjects`s over 1 year ago

AI Summary: Implement comprehensive tests for the Apache Arrow Rust `VariantBuilder` API, ensuring coverage of various `VariantObject` sizes and data lengths to validate the correct handling of field IDs and offsets in the Variant encoding. This involves creating `VariantObject`s with a range of element counts, triggering different sizes for field IDs and offsets, and verifying their proper encoding. The tests should consider edge cases and potentially be marked as ignored until a related issue (#7699) is resolved.

Complexity: 4/5

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] Tests for creating "large" `VariantList`s over 1 year ago

AI Summary: Write unit tests for the Apache Arrow Rust implementation's `VariantList` functionality, ensuring coverage for lists exceeding 256 elements and various total child data lengths to verify correct offset size handling in the Variant encoding. The tests should use the `VariantBuilder` API and may need to be initially ignored if a related issue (7699) is not yet resolved.

Complexity: 4/5

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] Add flag in `ObjectBuilder` to control validation behavior on duplicate field write over 1 year ago

AI Summary: Implement a configurable validation flag in the `ObjectBuilder` for the Apache Arrow Rust project. This flag will control whether duplicate field writes during object construction result in an error or are silently overwritten. The goal is to provide users with a choice between strict validation (error on duplicates) and lenient behavior (overwrite duplicates).

Complexity: 3/5

good first issue enhancement

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

[Variant] More efficient determination of String vs ShortString over 1 year ago

AI Summary: The task is to optimize the determination of whether to use String or ShortString within the Apache Arrow Rust implementation. The current method involves multiple decisions, and the goal is to find a more efficient and direct approach to reduce redundancy and improve performance.

Complexity: 4/5

good first issue

apache/arrow-rs

3.5K

Official Rust implementation of Apache Arrow

Rust

#arrow#parquet#rust

apache/arrow-rs

Open Issues Need Help