polars_parquet::parquet

Module write

Source

Structs§

ColumnOffsetsMetadata
Compressor
A FallibleStreamingIterator that consumes Page and yields CompressedPage holding a reusable buffer (Vec<u8>) for compression.
DynIter
DynIter is an implementation of a single-threaded, dynamically-typed iterator.
DynStreamingIterator
Dynamically-typed FallibleStreamingIterator.
FileWriter
An interface to write a parquet file. Use start to write the header, write to write a row group, and end to write the footer.
WriteOptions
Write options of different interfaces on this crate

Enums§

Version
The parquet version to use

Functions§

compress
Compresses an [EncodedPage] into a CompressedPage using compressed_buffer as the intermediary buffer.
write_metadata_sidecar
Writes a parquet file containing only the header and footer

Type Aliases§

RowGroupIter
RowGroupIterColumns