polars 0.39.2

DataFrame library based on Apache Arrow
Documentation

polars

There is very little structured metadata to build this page from currently. You should check the main library docs, readme, or Cargo.toml in case the author documented the features in them.

This version has 142 feature flags, 12 of them enabled by default.

default

  • docs
  • zip_with
  • csv
  • temporal
  • fmt
  • dtype-slim

docs

  • polars-core/docs

zip_with

  • polars-core/zip_with

csv

  • polars-io
  • polars-io/csv
  • polars-lazy?/csv
  • polars-sql?/csv

temporal

  • polars-core/temporal
  • polars-lazy?/temporal
  • polars-io/temporal
  • polars-time

fmt

  • polars-core/fmt

dtype-slim

  • dtype-date
  • dtype-datetime
  • dtype-duration

polars-io

  • dep:polars-io

polars-time

  • dep:polars-time

dtype-date

  • polars-core/dtype-date
  • polars-io/dtype-date
  • polars-lazy?/dtype-date
  • polars-time?/dtype-date
  • polars-ops/dtype-date

dtype-datetime

  • polars-core/dtype-datetime
  • polars-io/dtype-datetime
  • polars-lazy?/dtype-datetime
  • polars-time?/dtype-datetime
  • polars-ops/dtype-datetime

dtype-duration

  • polars-core/dtype-duration
  • polars-lazy?/dtype-duration
  • polars-time?/dtype-duration
  • polars-ops/dtype-duration

docs-selection

  • csv
  • json
  • parquet
  • ipc
  • ipc_streaming
  • dtype-full
  • is_in
  • rows
  • docs
  • strings
  • object
  • lazy
  • temporal
  • random
  • zip_with
  • round_series
  • checked_arithmetic
  • ndarray
  • repeat_by
  • is_between
  • is_first_distinct
  • is_last_distinct
  • asof_join
  • cross_join
  • concat_str
  • string_reverse
  • string_to_integer
  • decompress
  • mode
  • take_opt_iter
  • cum_agg
  • rolling_window
  • interpolate
  • diff
  • rank
  • range
  • diagonal_concat
  • abs
  • dot_diagram
  • string_encoding
  • product
  • to_dummies
  • describe
  • list_eval
  • cumulative_eval
  • timezones
  • arg_where
  • propagate_nans
  • coalesce
  • dynamic_group_by
  • extract_groups
  • replace

test

  • lazy
  • rolling_window
  • rank
  • round_series
  • csv
  • dtype-categorical
  • cum_agg
  • fmt
  • diff
  • abs
  • parquet
  • ipc
  • ipc_streaming
  • json

dtype-full

  • dtype-date
  • dtype-datetime
  • dtype-duration
  • dtype-time
  • dtype-array
  • dtype-i8
  • dtype-i16
  • dtype-decimal
  • dtype-u8
  • dtype-u16
  • dtype-categorical
  • dtype-struct

performant

  • polars-core/performant
  • chunked_ids
  • dtype-u8
  • dtype-u16
  • dtype-struct
  • cse
  • polars-ops/performant
  • streaming
  • fused

dtype-time

  • polars-core/dtype-time
  • polars-io/dtype-time
  • polars-lazy?/dtype-time
  • polars-time?/dtype-time
  • polars-ops/dtype-time

json

  • polars-io
  • polars-io/json
  • polars-lazy?/json
  • polars-sql?/json
  • dtype-struct

dtype-decimal

  • polars-core/dtype-decimal
  • polars-io/dtype-decimal
  • polars-lazy?/dtype-decimal
  • polars-sql?/dtype-decimal
  • polars-ops/dtype-decimal

nightly

  • polars-core/nightly
  • polars-ops?/nightly
  • simd
  • polars-lazy?/nightly
  • polars-sql?/nightly

serde-lazy

  • polars-core/serde-lazy
  • polars-lazy?/serde
  • polars-time?/serde
  • polars-io?/serde
  • polars-ops?/serde

dtype-i16

  • polars-core/dtype-i16
  • polars-io/dtype-i16
  • polars-lazy?/dtype-i16
  • polars-ops/dtype-i16

dtype-struct

  • polars-core/dtype-struct
  • polars-io/dtype-struct
  • polars-lazy?/dtype-struct
  • polars-ops/dtype-struct

dtype-categorical

  • polars-core/dtype-categorical
  • polars-io/dtype-categorical
  • polars-lazy?/dtype-categorical
  • polars-ops/dtype-categorical

dtype-i8

  • polars-core/dtype-i8
  • polars-io/dtype-i8
  • polars-lazy?/dtype-i8
  • polars-ops/dtype-i8

timezones

  • polars-core/timezones
  • polars-lazy?/timezones
  • polars-io/timezones
  • polars-sql?/timezones

extract_jsonpath

  • polars-core/strings
  • polars-ops/extract_jsonpath
  • polars-ops/strings
  • polars-lazy?/extract_jsonpath

parquet

  • polars-io
  • polars-lazy?/parquet
  • polars-io/parquet
  • polars-sql?/parquet

dtype-u8

  • polars-core/dtype-u8
  • polars-io/dtype-u8
  • polars-lazy?/dtype-u8
  • polars-ops/dtype-u8

ipc

  • polars-io
  • polars-io/ipc
  • polars-lazy?/ipc
  • polars-sql?/ipc

dtype-u16

  • polars-core/dtype-u16
  • polars-io/dtype-u16
  • polars-lazy?/dtype-u16
  • polars-ops/dtype-u16

random

  • polars-core/random
  • polars-lazy?/random
  • polars-ops/random

diagonal_concat

  • polars-core/diagonal_concat
  • polars-lazy?/diagonal_concat
  • polars-sql?/diagonal_concat

ipc_streaming

  • polars-io
  • polars-io/ipc_streaming
  • polars-lazy?/ipc

semi_anti_join

  • polars-lazy?/semi_anti_join
  • polars-ops/semi_anti_join
  • polars-sql?/semi_anti_join

rolling_window

  • polars-core/rolling_window
  • polars-lazy?/rolling_window
  • polars-time/rolling_window

string_encoding

  • polars-ops/string_encoding
  • polars-lazy?/string_encoding
  • polars-core/strings

azure

  • async
  • cloud
  • polars-io/azure

reinterpret

  • polars-core/reinterpret
  • polars-lazy?/reinterpret
  • polars-ops/reinterpret

binary_encoding

  • polars-ops/binary_encoding
  • polars-lazy?/binary_encoding
  • polars-sql?/binary_encoding

array_count

  • polars-ops/array_count
  • polars-lazy?/array_count
  • dtype-array

simd

  • polars-core/simd
  • polars-io/simd
  • polars-ops?/simd

aws

  • async
  • cloud
  • polars-io/aws

strings

  • polars-core/strings
  • polars-lazy?/strings
  • polars-ops/strings

gcp

  • async
  • cloud
  • polars-io/gcp

http

  • async
  • cloud
  • polars-io/http

bigidx

  • polars-core/bigidx
  • polars-lazy?/bigidx
  • polars-ops/big_idx

dtype-array

  • polars-core/dtype-array
  • polars-lazy?/dtype-array
  • polars-ops/dtype-array

object

  • polars-core/object
  • polars-lazy?/object
  • polars-io/object

replace

  • polars-ops/replace
  • polars-lazy?/replace

fused

  • polars-ops/fused
  • polars-lazy?/fused

list_to_struct

  • polars-ops/list_to_struct
  • polars-lazy?/list_to_struct

is_unique

  • polars-lazy?/is_unique
  • polars-ops/is_unique

interpolate

  • polars-ops/interpolate
  • polars-lazy?/interpolate

ewma

  • polars-ops/ewma
  • polars-lazy?/ewma

round_series

  • polars-ops/round_series
  • polars-lazy?/round_series

list_count

  • polars-ops/list_count
  • polars-lazy?/list_count

cross_join

  • polars-lazy?/cross_join
  • polars-ops/cross_join

ewma_by

  • polars-ops/ewma_by
  • polars-lazy?/ewma_by

avro

  • polars-io
  • polars-io/avro

mode

  • polars-ops/mode
  • polars-lazy?/mode

string_reverse

  • polars-lazy?/string_reverse
  • polars-ops/string_reverse

array_any_all

  • polars-lazy?/array_any_all
  • dtype-array

repeat_by

  • polars-ops/repeat_by
  • polars-lazy?/repeat_by

cum_agg

  • polars-ops/cum_agg
  • polars-lazy?/cum_agg

pct_change

  • polars-ops/pct_change
  • polars-lazy?/pct_change

array_to_struct

  • polars-ops/array_to_struct
  • polars-lazy?/array_to_struct

abs

  • polars-ops/abs
  • polars-lazy?/abs

is_last_distinct

  • polars-lazy?/is_last_distinct
  • polars-ops/is_last_distinct

business

  • polars-lazy?/business
  • polars-ops/business

diff

  • polars-ops/diff
  • polars-lazy?/diff

string_pad

  • polars-lazy?/string_pad
  • polars-ops/string_pad

is_first_distinct

  • polars-lazy?/is_first_distinct
  • polars-ops/is_first_distinct

hist

  • polars-ops/hist
  • polars-lazy/hist

cloud

  • polars-lazy?/cloud
  • polars-io/cloud

unique_counts

  • polars-ops/unique_counts
  • polars-lazy?/unique_counts

dynamic_group_by

  • polars-core/dynamic_group_by
  • polars-lazy?/dynamic_group_by

string_to_integer

  • polars-lazy?/string_to_integer
  • polars-ops/string_to_integer

approx_unique

  • polars-lazy?/approx_unique
  • polars-ops/approx_unique

row_hash

  • polars-core/row_hash
  • polars-lazy?/row_hash

lazy

  • polars-core/lazy
  • polars-lazy

rank

  • polars-lazy?/rank
  • polars-ops/rank

asof_join

  • polars-lazy?/asof_join
  • polars-ops/asof_join

is_between

  • polars-lazy?/is_between
  • polars-ops/is_between

log

  • polars-ops/log
  • polars-lazy?/log

list_gather

  • polars-ops/list_gather
  • polars-lazy?/list_gather

moment

  • polars-ops/moment
  • polars-lazy?/moment

list_eval

  • polars-lazy?/list_eval
  • polars-sql?/list_eval

cloud_write

  • cloud
  • polars-lazy?/cloud_write

date_offset

  • polars-lazy?/date_offset

polars-sql

  • dep:polars-sql

merge_sorted

  • polars-lazy?/merge_sorted

list_any_all

  • polars-lazy?/list_any_all

true_div

  • polars-lazy?/true_div

list_sample

  • polars-lazy?/list_sample

dot_diagram

  • polars-lazy?/dot_diagram

ndarray

  • polars-core/ndarray

serde

  • polars-core/serde

range

  • polars-lazy?/range

rle

  • polars-lazy?/rle

take_opt_iter

  • polars-core/take_opt_iter

describe

  • polars-core/describe

peaks

  • polars-lazy/peaks

cumulative_eval

  • polars-lazy?/cumulative_eval

chunked_ids

  • polars-ops?/chunked_ids

top_k

  • polars-lazy?/top_k

list_sets

  • polars-lazy?/list_sets

regex

  • polars-lazy?/regex

coalesce

  • polars-lazy?/coalesce

streaming

  • polars-lazy?/streaming

arg_where

  • polars-lazy?/arg_where

partition_by

  • polars-core/partition_by

find_many

  • polars-plan/find_many

search_sorted

  • polars-lazy?/search_sorted

concat_str

  • polars-lazy?/concat_str

extract_groups

  • polars-lazy?/extract_groups

bench

  • lazy

dot_product

  • polars-core/dot_product

pivot

  • polars-lazy?/pivot

sql

  • polars-sql

trigonometry

  • polars-lazy?/trigonometry

async

  • polars-lazy?/async

list_drop_nulls

  • polars-lazy?/list_drop_nulls

is_in

  • polars-lazy?/is_in

product

  • polars-core/product

decompress

  • polars-io/decompress

cov

  • polars-lazy/cov

fmt_no_tty

  • polars-core/fmt_no_tty

propagate_nans

  • polars-lazy?/propagate_nans

polars-plan

  • dep:polars-plan

meta

  • polars-lazy?/meta

cutqcut

  • polars-lazy?/cutqcut

to_dummies

  • polars-ops/to_dummies

avx512

  • polars-core/avx512

sign

  • polars-lazy?/sign

dataframe_arithmetic

  • polars-core/dataframe_arithmetic

checked_arithmetic

  • polars-core/checked_arithmetic

polars-lazy

  • dep:polars-lazy

cse

  • polars-lazy?/cse

decompress-fast

  • polars-io/decompress-fast

polars-ops

  • dep:polars-ops

rows

  • polars-core/rows