Dask backend adapter for Colnade
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colnade-dask
Dask backend adapter for Colnade. Supports lazy evaluation and distributed computation.
Installation
pip install colnade-dask
Usage
from colnade import Column, Schema, UInt64, Float64, Utf8
from colnade_dask import scan_parquet
class Users(Schema):
id: Column[UInt64]
name: Column[Utf8]
age: Column[UInt64]
score: Column[Float64]
lf = scan_parquet("users.parquet", Users)
result = lf.filter(Users.age > 25).sort(Users.score.desc()).collect()
I/O Functions
read_parquet/write_parquet(eager)scan_parquet/scan_csv(lazy)read_csv/write_csv
Documentation
Full documentation at colnade.com.
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