Native Polars I/O plugin for Delta Lake, backed by delta-kernel-rs.
Project description
polars-deltalake
Native Polars I/O plugin for Delta Lake, backed by delta-kernel-rs.
import polars as pl
from polars_deltalake import scan_delta
lf = scan_delta("s3://bucket/path/to/table")
df = lf.filter(pl.col("region") == "eu").select("id", "value").collect()
The plugin pushes projection, slice (n_rows), and predicate filters into the kernel scan. Predicates that don't map to a kernel-supported shape fall back to Polars-side filtering after the scan.
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