Files

polars

docs

eager.rs lazy.rs mod.rs

lib.rs prelude.rs

polars_core

chunked_array

arithmetic

decimal.rs mod.rs numeric.rs

array

iterator.rs mod.rs

builder

list

anonymous.rs binary.rs boolean.rs categorical.rs dtypes.rs mod.rs null.rs primitive.rs

boolean.rs fixed_size_list.rs mod.rs null.rs primitive.rs string.rs

comparison

categorical.rs mod.rs scalar.rs

iterator

par

list.rs mod.rs string.rs

list

iterator.rs mod.rs

logical

categorical

ops

append.rs full.rs mod.rs unique.rs zip.rs

builder.rs from.rs merge.rs mod.rs revmap.rs string_cache.rs

enum_

decimal.rs mod.rs

object

extension

drop.rs list.rs mod.rs polars_extension.rs

builder.rs is_valid.rs iterator.rs mod.rs registry.rs

ops

aggregate

mod.rs quantile.rs var.rs

sort

arg_bottom_k.rs arg_sort.rs arg_sort_multiple.rs categorical.rs mod.rs options.rs

unique

any_value.rs append.rs apply.rs arity.rs bit_repr.rs bits.rs chunkops.rs compare_inner.rs decimal.rs downcast.rs explode.rs explode_and_offsets.rs extend.rs fill_null.rs filter.rs float_sorted_arg_max.rs for_each.rs full.rs gather.rs mod.rs nulls.rs reverse.rs rolling_window.rs row_encode.rs search_sorted.rs set.rs shift.rs zip.rs

temporal

conversion.rs mod.rs

binary.rs bitwise.rs cast.rs collect.rs drop.rs flags.rs float.rs from.rs from_iterator.rs from_iterator_par.rs mod.rs ndarray.rs random.rs to_vec.rs trusted_len.rs

datatypes

_serde.rs aliases.rs any_value.rs dtype.rs field.rs into_scalar.rs mod.rs schema.rs static_array_collect.rs time_unit.rs

frame

column

arithmetic.rs compare.rs mod.rs partitioned.rs scalar.rs series.rs

group_by

aggregations

agg_list.rs boolean.rs dispatch.rs mod.rs string.rs

expr.rs hashing.rs into_groups.rs mod.rs perfect.rs position.rs

row

av_buffer.rs dataframe.rs mod.rs transpose.rs

arithmetic.rs builder.rs chunks.rs explode.rs from.rs horizontal.rs mod.rs top_k.rs upstream_traits.rs validation.rs

hashing

identity.rs mod.rs vector_hasher.rs

scalar

from.rs mod.rs new.rs reduce.rs

serde

chunked_array.rs df.rs mod.rs series.rs

series

arithmetic

bitops.rs borrowed.rs fixed_size_list.rs list.rs list_utils.rs mod.rs owned.rs

implementations

array.rs binary.rs binary_offset.rs boolean.rs categorical.rs decimal.rs floats.rs list.rs mod.rs null.rs object.rs string.rs

ops

downcast.rs extend.rs mod.rs null.rs reshape.rs

amortized_iter.rs any_value.rs builder.rs comparison.rs from.rs into.rs iterator.rs mod.rs series_trait.rs

utils

any_value.rs flatten.rs mod.rs schema.rs series.rs supertype.rs

config.rs error.rs fmt.rs functions.rs lib.rs named_from.rs prelude.rs random.rs schema.rs testing.rs

polars_io

avro

mod.rs read.rs write.rs

catalog

unity

client.rs mod.rs models.rs schema.rs utils.rs

cloud

adaptors.rs credential_provider.rs glob.rs mod.rs object_store_setup.rs options.rs polars_object_store.rs

csv

read

read_impl

buffer.rs mod.rs options.rs parser.rs read_impl.rs reader.rs schema_inference.rs splitfields.rs utils.rs

write

write_impl

mod.rs options.rs write_impl.rs writer.rs

file_cache

cache.rs cache_lock.rs entry.rs eviction.rs file_fetcher.rs file_lock.rs metadata.rs mod.rs utils.rs

ipc

ipc_file.rs ipc_reader_async.rs ipc_stream.rs mmap.rs mod.rs write.rs

json

infer.rs mod.rs

ndjson

buffer.rs core.rs mod.rs

parquet

read

async_impl.rs mmap.rs mod.rs options.rs predicates.rs read_impl.rs reader.rs utils.rs

write

batched_writer.rs mod.rs options.rs writer.rs

metadata.rs mod.rs

path_utils

hugging_face.rs mod.rs

utils

byte_source.rs compression.rs file.rs mkdir.rs mod.rs other.rs slice.rs sync_on_close.rs

hive.rs lib.rs mmap.rs options.rs partition.rs pl_async.rs predicates.rs prelude.rs shared.rs

polars_lazy

dsl

eval.rs functions.rs into.rs list.rs mod.rs

frame

cached_arenas.rs err.rs exitable.rs mod.rs pivot.rs python.rs

physical_plan

streaming

checks.rs construct_pipeline.rs convert_alp.rs mod.rs tree.rs

exotic.rs mod.rs

scan

anonymous_scan.rs catalog.rs csv.rs file_list_reader.rs ipc.rs mod.rs ndjson.rs parquet.rs

dot.rs lib.rs prelude.rs

polars_ops

chunked_array

binary

cast_binary_to_numerical.rs mod.rs namespace.rs

gather

list

count.rs dispersion.rs min_max.rs mod.rs namespace.rs sum_mean.rs

strings

mod.rs scatter.rs sum.rs

frame

join

hash_join

mod.rs single_keys.rs single_keys_dispatch.rs single_keys_inner.rs single_keys_left.rs single_keys_outer.rs sort_merge.rs

args.rs cross_join.rs dispatch_left_right.rs general.rs mod.rs

series

ops

arg_min_max.rs bitwise.rs clip.rs horizontal.rs index.rs int_range.rs linear_space.rs mod.rs negate.rs not.rs various.rs

lib.rs prelude.rs

polars_sql

context.rs function_registry.rs functions.rs keywords.rs lib.rs sql_expr.rs table_functions.rs types.rs

polars_time

chunkedarray

string

infer.rs mod.rs patterns.rs strptime.rs

kernels.rs mod.rs

group_by

series

windows

bounds.rs calendar.rs duration.rs group_by.rs mod.rs window.rs

date_range.rs lib.rs prelude.rs round.rs truncate.rs upsample.rs utils.rs

polars_utils

idx_map

bytes_idx_map.rs mod.rs total_idx_map.rs

itertools

enumerate_idx.rs mod.rs

abs_diff.rs algebraic_ops.rs aliases.rs arena.rs binary_search.rs cache.rs cardinality_sketch.rs cell.rs chunks.rs clmul.rs config.rs cpuid.rs error.rs file.rs fixedringbuffer.rs float.rs floor_divmod.rs fmt.rs functions.rs hashing.rs idx_mapper.rs idx_vec.rs index.rs io.rs lib.rs macros.rs mem.rs min_max.rs mmap.rs nulls.rs partitioned.rs pl_serialize.rs pl_str.rs priority.rs python_convert_registry.rs python_function.rs regex_cache.rs select.rs slice.rs slice_enum.rs sort.rs sparse_init_vec.rs sync.rs sys.rs total_ord.rs vec.rs

polars_io/parquet/
mod.rs

Settings

Help

1//! Functionality for reading and writing Apache Parquet files.
2
3pub mod metadata;
4pub mod read;
5pub mod write;