--- title: LanceDB + Polars | daily.dev description: LanceDB has added a direct integration with the Polars DataFrame library for Python written in Rust. LanceDB can now ingest Polars DataFrames, return results... canonical: https://daily.dev/posts/lancedb-polars-j8trochrr twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: LanceDB + Polars | daily.dev og:description: LanceDB has added a direct integration with the Polars DataFrame library for Python written in Rust. LanceDB can now ingest Polars DataFrames, return results... og:url: https://daily.dev/posts/lancedb-polars-j8trochrr og:image: https://api.daily.dev/og/posts/J8TRoCHRR.png og:image:alt: LanceDB + Polars og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # LanceDB + Polars **[Medium](https://daily.dev/sources/medium_js)** · 5 min read · 10 upvotes · 0 comments ## Summary LanceDB has added a direct integration with the Polars DataFrame library for Python written in Rust. LanceDB can now ingest Polars DataFrames, return results as Polars DataFrames, and export the entire table as a Polars LazyFrame. The integration can be improved in terms of batch ingestion of LazyFrames, filter pushdowns, cloud storage capabilities, native Lance reader + UDFs, and integration at the Rust level. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#ai](https://daily.dev/tags/ai), [#python](https://daily.dev/tags/python), [#rust](https://daily.dev/tags/rust), [#vector-search](https://daily.dev/tags/vector-search) [View this post on daily.dev](https://daily.dev/posts/lancedb-polars-j8trochrr) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"LanceDB + Polars","url":"https://daily.dev/posts/lancedb-polars-j8trochrr","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/lancedb-polars-j8trochrr"},"datePublished":"2024-01-20T20:19:55.118Z","dateModified":"2024-05-09T09:06:08.895Z","description":"LanceDB has added a direct integration with the Polars DataFrame library for Python written in Rust. LanceDB can now ingest Polars DataFrames, return results...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/82b0cf97cf1a419a801f01e5ed402ab2?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/82b0cf97cf1a419a801f01e5ed402ab2?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"Medium","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Medium","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/medium","url":"https://daily.dev/sources/medium_js"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/lancedb-polars-j8trochrr","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":10},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"ai,python,rust,vector-search","timeRequired":"PT5M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Medium","item":"https://daily.dev/sources/medium_js"},{"@type":"ListItem","position":3,"name":"LanceDB + Polars"}]} ```