datafusion-extra-functions (Python)
Python wheels for datafusion-extra-functions, exposing each aggregate through datafusion-python's __datafusion_aggregate_udf__ PyCapsule protocol.
Usage
from datafusion import SessionContext, col, udaf
import datafusion_extra_functions as extra
extra.list_functions()
# ['mode', 'max_by', 'min_by', 'kurtosis', 'skewness', 'kurtosis_pop']
skew = udaf(extra.udaf_by_name("skewness"))
ctx = SessionContext()
df = ctx.from_pydict({"a": [1.0, 2.0, 2.0, 9.0]})
df.aggregate([], [skew(col("a"))]).show()
Or register for SQL:
ctx.register_udaf(udaf(extra.udaf_by_name("mode")))
ctx.sql("SELECT mode(a) FROM my_table").show()
Version compatibility
The DataFusion FFI ABI is tied to the datafusion major version this package was compiled against. The wheel pins datafusion>=55,<56. A mismatch fails at the FFI boundary rather than with a clean error.
Building from source
From this python/ directory, with a Rust toolchain (see rust-version in Cargo.toml):
pip install maturin
maturin develop --release
License
Apache-2.0, same as the crate it binds.
1 maintainer
Metadata
1 maintainer
Release files for datafusion-extra-functions 0.5.5
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
|---|---|---|---|---|
| datafusion_extra_functions-0.5.5.tar.gz | 56.1 kB | With provenance | Details for datafusion_extra_functions-0.5.5.tar.gz |
Built distributions (wheels)
Total release size: 26.1 MB
Release files / datafusion_extra_functions-0.5.5.tar.gz
| Download URL | datafusion_extra_functions-0.5.5.tar.gz |
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| Size | 56.1 kB |
| Tags | Source |
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| Size | 5.1 MB |
| Tags | CPython 3.10 Windows x86-64 abi3 |
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| Size | 6.6 MB |
| Tags | CPython 3.10 Linux glibc 2.17+ x86-64 abi3 |
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| Download URL | datafusion_extra_functions-0.5.5-cp310-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl |
|---|---|
| Size | 4.9 MB |
| Tags | CPython 3.10 Linux glibc 2.17+ ARM64 abi3 |
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| Size | 4.5 MB |
| Tags | CPython 3.10 abi3 macOS 11.0+ ARM64 |
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| Size | 4.8 MB |
| Tags | CPython 3.10 abi3 macOS 10.12+ x86-64 |
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