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

nightly

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

dtype-decimal

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

dtype-time

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

serde-lazy

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

json

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

dtype-categorical

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

dtype-struct

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

dtype-i8

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

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

parquet

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

dtype-i16

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

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

dtype-u16

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

gcp

  • async
  • cloud
  • polars-io/gcp

random

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

diagonal_concat

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

array_count

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

aws

  • async
  • cloud
  • polars-io/aws

dtype-array

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

reinterpret

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

rolling_window

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

binary_encoding

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

string_encoding

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

azure

  • async
  • cloud
  • polars-io/azure

semi_anti_join

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

object

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

bigidx

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

http

  • async
  • cloud
  • polars-io/http

strings

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

simd

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

ipc_streaming

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

list_count

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

mode

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

ewma_by

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

is_unique

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

ewma

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

hist

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

replace

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

abs

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

is_last_distinct

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

list_to_struct

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

unique_counts

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

row_hash

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

rank

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

round_series

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

is_between

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

cum_agg

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

fused

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

string_to_integer

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

lazy

  • polars-core/lazy
  • polars-lazy

avro

  • polars-io
  • polars-io/avro

cloud

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

array_any_all

  • polars-lazy?/array_any_all
  • dtype-array

dynamic_group_by

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

string_reverse

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

interpolate

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

pct_change

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

diff

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

is_first_distinct

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

cross_join

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

log

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

cloud_write

  • cloud
  • polars-lazy?/cloud_write

approx_unique

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

moment

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

string_pad

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

array_to_struct

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

list_eval

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

business

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

list_gather

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

asof_join

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

repeat_by

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

dataframe_arithmetic

  • polars-core/dataframe_arithmetic

sign

  • polars-lazy?/sign

arg_where

  • polars-lazy?/arg_where

polars-sql

  • dep:polars-sql

async

  • polars-lazy?/async

cov

  • polars-lazy/cov

propagate_nans

  • polars-lazy?/propagate_nans

cumulative_eval

  • polars-lazy?/cumulative_eval

polars-ops

  • dep:polars-ops

concat_str

  • polars-lazy?/concat_str

streaming

  • polars-lazy?/streaming

meta

  • polars-lazy?/meta

polars-lazy

  • dep:polars-lazy

decompress-fast

  • polars-io/decompress-fast

serde

  • polars-core/serde

cutqcut

  • polars-lazy?/cutqcut

polars-plan

  • dep:polars-plan

avx512

  • polars-core/avx512

range

  • polars-lazy?/range

merge_sorted

  • polars-lazy?/merge_sorted

sql

  • polars-sql

regex

  • polars-lazy?/regex

peaks

  • polars-lazy/peaks

find_many

  • polars-plan/find_many

rle

  • polars-lazy?/rle

list_sample

  • polars-lazy?/list_sample

describe

  • polars-core/describe

checked_arithmetic

  • polars-core/checked_arithmetic

product

  • polars-core/product

trigonometry

  • polars-lazy?/trigonometry

partition_by

  • polars-core/partition_by

bench

  • lazy

decompress

  • polars-io/decompress

list_any_all

  • polars-lazy?/list_any_all

ndarray

  • polars-core/ndarray

pivot

  • polars-lazy?/pivot

date_offset

  • polars-lazy?/date_offset

top_k

  • polars-lazy?/top_k

list_drop_nulls

  • polars-lazy?/list_drop_nulls

chunked_ids

  • polars-ops?/chunked_ids

rows

  • polars-core/rows

fmt_no_tty

  • polars-core/fmt_no_tty

extract_groups

  • polars-lazy?/extract_groups

to_dummies

  • polars-ops/to_dummies

cse

  • polars-lazy?/cse

list_sets

  • polars-lazy?/list_sets

search_sorted

  • polars-lazy?/search_sorted

take_opt_iter

  • polars-core/take_opt_iter

coalesce

  • polars-lazy?/coalesce

dot_diagram

  • polars-lazy?/dot_diagram

dot_product

  • polars-core/dot_product

true_div

  • polars-lazy?/true_div

is_in

  • polars-lazy?/is_in