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fix(python): Avoid loading all columns in read_parquet when columns parameter is specified #15229

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Mar 22, 2024
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fix(python): Avoid loading all columns in read_parquet when columns parameter is specified #15229

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2 changes: 1 addition & 1 deletion py-polars/polars/io/parquet/functions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -188,7 +188,7 @@ def read_parquet(
columns = [lf.columns[i] for i in columns]
lf = lf.select(columns)

return lf.collect(no_optimization=True)
return lf.collect()


def read_parquet_schema(source: str | Path | IO[bytes] | bytes) -> dict[str, DataType]:
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