Skip to main content

Module encoder

parquet::column::writer

Module encoder 

Source

Structs§

ColumnValueEncoderImpl
DataPageValues
The encoded values for a data page, with optional statistics
DictionaryPage
The encoded data for a dictionary page

Traits§

ColumnValueEncoder
A generic encoder of ColumnValues to data and dictionary pages used by super::GenericColumnWriter`
ColumnValues
A collection of ParquetValueType encoded by a ColumnValueEncoder

Functions§

count_within_budget 🔒
How many leading values fit in byte_budget bytes, shared by the two ColumnValueEncoder::count_values_within_byte_budget* methods (one walks a contiguous slice, the other gathers by index).
create_bloom_filter 🔒
Creates a bloom filter sized for the column’s configured NDV, returning the filter and the target FPP for folding.
get_min_max 🔒
plain_encoded_byte_size 🔒
Plain-encoded byte cost of a single value of type T::T.
replace_zero 🔒
update_geo_stats_accumulator 🔒