Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

feat: change default to write parquet statistics #15597

Merged
merged 1 commit into from
Apr 12, 2024
Merged

feat: change default to write parquet statistics #15597

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion crates/polars-io/src/parquet/write.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -121,7 +121,7 @@ where
ParquetWriter {
writer,
compression: ParquetCompression::default().into(),
statistics: false,
statistics: true,
row_group_size: None,
data_page_size: None,
parallel: true,
Expand Down
4 changes: 2 additions & 2 deletions py-polars/polars/dataframe/frame.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3302,7 +3302,7 @@ def write_parquet(
*,
compression: ParquetCompression = "zstd",
compression_level: int | None = None,
statistics: bool = False,
statistics: bool = True,
row_group_size: int | None = None,
data_page_size: int | None = None,
use_pyarrow: bool = False,
Expand All @@ -3329,7 +3329,7 @@ def write_parquet(
- "zstd" : min-level: 1, max-level: 22.

statistics
Write statistics to the parquet headers. This requires extra compute.
Write statistics to the parquet headers. This is the default behavior.
row_group_size
Size of the row groups in number of rows. Defaults to 512^2 rows.
data_page_size
Expand Down
6 changes: 3 additions & 3 deletions py-polars/polars/lazyframe/frame.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2116,7 +2116,7 @@ def sink_parquet(
*,
compression: str = "zstd",
compression_level: int | None = None,
statistics: bool = False,
statistics: bool = True,
row_group_size: int | None = None,
data_pagesize_limit: int | None = None,
maintain_order: bool = True,
Expand All @@ -2126,7 +2126,7 @@ def sink_parquet(
simplify_expression: bool = True,
slice_pushdown: bool = True,
no_optimization: bool = False,
) -> DataFrame:
) -> None:
"""
Evaluate the query in streaming mode and write to a Parquet file.

Expand All @@ -2153,7 +2153,7 @@ def sink_parquet(
- "brotli" : min-level: 0, max-level: 11.
- "zstd" : min-level: 1, max-level: 22.
statistics
Write statistics to the parquet headers. This requires extra compute.
Write statistics to the parquet headers. This is the default behavior.
row_group_size
Size of the row groups in number of rows.
If None (default), the chunks of the `DataFrame` are
Expand Down
Loading