polars_io::parquet::write

Struct ParquetWriteOptions

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pub struct ParquetWriteOptions {
    pub compression: ParquetCompression,
    pub statistics: StatisticsOptions,
    pub row_group_size: Option<usize>,
    pub data_page_size: Option<usize>,
    pub maintain_order: bool,
}
Available on crate feature parquet only.

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§compression: ParquetCompression

Data page compression

§statistics: StatisticsOptions

Compute and write column statistics.

§row_group_size: Option<usize>

If None will be all written to a single row group.

§data_page_size: Option<usize>

if None will be 1024^2 bytes

§maintain_order: bool

maintain the order the data was processed

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impl ParquetWriteOptions

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pub fn to_writer<F>(&self, f: F) -> ParquetWriter<F>
where F: Write,

Trait Implementations§

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impl Clone for ParquetWriteOptions

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fn clone(&self) -> ParquetWriteOptions

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for ParquetWriteOptions

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for ParquetWriteOptions

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fn default() -> ParquetWriteOptions

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for ParquetWriteOptions

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Hash for ParquetWriteOptions

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for ParquetWriteOptions

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fn eq(&self, other: &ParquetWriteOptions) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for ParquetWriteOptions

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl WriteDataFrameToFile for ParquetWriteOptions

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fn write_df_to_file<W: Write>(&self, df: DataFrame, file: W) -> PolarsResult<()>

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impl Copy for ParquetWriteOptions

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impl Eq for ParquetWriteOptions

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impl StructuralPartialEq for ParquetWriteOptions

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