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polars-lazy

v0.54.4 Growing

Lazy query engine for the Polars DataFrame library

MIT Edition 2024
GitHub ↗ crates.io ↗ Compare with…

Quick Verdict

  • ✓Actively maintained (updated 39d ago)
  • !Pre-1.0: API may have breaking changes
  • ✓Trusted by 405 crates
  • !Heavy dependency tree (25 direct deps)
  • ✓Permissive license (MIT)

Security

Checking security advisories...
Downloads
12.6M
Dependents
405
Releases
99
Size
88KB

Deep Insights

📊
Stable downloads

907.6K downloads in the last 30 days (30.3K/day). Volume is roughly flat compared to the previous period.

🔗
Moderate adoption

405 crates depend on polars-lazy. Reasonable ecosystem adoption, though not yet a core dependency.

🔬
Pre-1.0 for over a year

Despite being 5+ years old, polars-lazy hasn't reached 1.0 yet. Expect potential API changes between versions.

📦
Heavy dependency tree

25 direct dependencies. Consider the impact on compile times and supply chain complexity.

🌟
Used by top crates

Notable dependents include polars, polars-sql, pyo3-polars, polars-algo, blutils-core. When high-quality crates choose polars-lazy, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 10/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 10/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
28K/day avg-42%
010K20K30K40K50K4/265/146/16/197/77/24

Top Dependents

Most downloaded crates that depend on polars-lazy

polars
12.8M dl 62
polars-sql
11.2M dl 62
pyo3-polars
1.9M dl 63
polars-algo
73.7K dl 43
blutils-core
41.5K dl 52
tabiew
35.8K dl 46
nu_plugin_polars
30.4K dl 54
altrios-core
17.0K dl 47
dr
16.3K dl 28

Version Adoption

v0.52.0
28%
v0.49.1
28%
v0.53.0
20%
v0.51.0
15%
v0.48.1
10%

Release Timeline

10 releasessince 2025
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2026
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Feature Flags

abscovcsecsvfmtipclogrlediffewmahistjsonmetamoderanksigntestasynccloudfusedis_inpeakspivotrangeregexserdetop_kbigidxfutureiejoinmomentobjectpythonrandombitwisecatalogcum_aggcutqcutewma_bynightlyparquetreplacestringsbusinesscoalescedtype-i8dtype-u8index_ofis_closerow_hashtemporaltest_alltrue_divarg_whereasof_joindtype-f16dtype-i16dtype-u16find_manyis_uniquelist_evallist_setsmonth_endoffset_byrepeat_bystreamingtimezonesconcat_strcross_joindtype-datedtype-fulldtype-i128dtype-timedtype-u128ffi_pluginis_betweenlist_countpct_changescan_linesstring_padarray_countdot_diagramdtype-arrayinterpolatelist_filterlist_gatherlist_samplemonth_startreinterpretallow_unuseddtype-structmerge_sortedround_seriestrigonometryapprox_uniquedtype-decimalsearch_sortedunique_countsdtype-datetimedtype-durationextract_groupsinterpolate_bylist_to_structpropagate_nansrolling_windowsemi_anti_joinstring_reversearray_to_structbinary_encodingcumulative_evaldiagonal_concatdtype-extensionlist_drop_nullsstring_encodingdynamic_group_byextract_jsonpathis_last_distinctstring_normalizedtype-categoricalis_first_distinctrolling_window_bystring_to_integerpolars_cloud_clientpolars_cloud_server

README

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Maintainers

R
Ritchie Vink
42 crates
S
Stijn
27 crates
Dependencies
25
direct dependencies
Dependents
405
crates depend on polars-lazy