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Connect DuckDB to any database that has an ADBC driver

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Hi everyone,I'm a PhD student in databases at CMU. Over the past few months, I've been interning at Columnar and building a community extension for DuckDB that lets you query Snowflake, Databricks, BigQuery, PostgreSQL, MySQL, and any other system with an ADBC (Arrow Database Connectivity) driver.The extension supports querying ADBC databases directly through a read_adbc table function. It also supports using ATTACH to connect to an ADBC database and then running SELECT, INSERT, COPY, and CTAS statements as if the database were local to DuckDB.You can install it from DuckDB by running: INSTALL adbc FROM community; LOAD adbc;The ADBC extension is open source and available under the Apache-2.0 License. We plan to contribute this extension to the Arrow project so it can become an official ADBC library.Give it a try, and leave feedback if you have ideas about how to make it better. Leave an issue on the GitHub repo if you hit any rough edges!

HN · launched Jul 8, 2026 · 7 upvotes (top 60%) · 0 views

Niche: database clients and gui tools · 112 launches, 9 in the last 7 days ▲ +13% · Explore this niche →

Category and tags
  • Horizontal
  • Data infrastructure
  • Developer
  • Not AI
  • Hobby / open-source project

Visit website ↗ Source listing ↗

More like this: all 112 launches in database clients and gui tools →

Could you build this?

No Writing a native database extension bridging DuckDB's internal vectorized execution engine with the Apache Arrow Database Connectivity (ADBC) C API requires deep systems programming and database internals expertise.

What it would actually take: Implementation requires C++ systems programming against DuckDB's internal C++ Extension API and the Apache Arrow ADBC C interface. The developer must build zero-copy data translation between DuckDB's vectorized data chunks and Arrow record batches, handle catalog inspection, push down filters/projections across disparate database backends, and maintain multi-platform binary compilation and packaging pipelines.

Discussion

2 comments analyzed.

Competitors mentioned: LakeSail, Spark, Snowflake, Databricks, BigQuery

Feature requests: ADBC-enabled connections with DuckDB

Competitors

Other products that read as similar to this one : 139 launches clear the similarity bar, closest 8 shown.

Attention rank: #74 of 140 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 252 days after the earliest competitor.

Related data

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