Postgres_scanner Alternatives

postgres_scanner reviews and mentions

• Connect ODBC Databases to DuckDB
  3 projects | news.ycombinator.com | 14 Jul 2023

  I've created an ODBC DuckDB extension to query any database that has an ODBC driver. It's modeled after the fantastic official Postgres scanner extension https://github.com/duckdblabs/postgres_scanner.

  It supports fetching rowsets in batches to minimize network overhead and defaults to the default DuckDB vector size of 2048.

  I've tested it against the IBM DB2 & Postgres ODBC drivers and will continue to test and add support for all major databases. If you've got one you'd like to see let me know in the comments.

  I've got plenty of improvements in the pipeline including:

• DuckDB 0.7.0
  2 projects | news.ycombinator.com | 13 Feb 2023

  It's not a dumb question at all. I'm pretty knowledgeable with DBs and still find it very difficult to understand how many of these front-end/pass-through engines work.

  Checkout Postgres Foreign Data Wrappers. That might be the most well known approach for accessing one database through another. The Supabase team wrote an interesting piece about this recently.

  https://supabase.com/blog/postgres-foreign-data-wrappers-rus...

  You might also want to try out duckdb's approach to reading other DBs (or DB files). They talk about how they can "import" a sqlite DB in the above 0.7.0 announcement, but also have some other examples in their duckdblabs github project. Check out their "...-scanner" repos:

  https://github.com/duckdblabs/postgres_scanner

  https://github.com/duckdblabs/sqlite_scanner

• DuckDB – in-process SQL OLAP database management system
  4 projects | news.ycombinator.com | 10 Feb 2023

  Doesn't postgres have a columnar option? If so, you could prob get better performance for your analytical interactions if you switched some tables to columnar.

  Otherwise check out postgres scanner. https://github.com/duckdblabs/postgres_scanner

• DuckDB on YugabyteDB
  2 projects | dev.to | 22 Nov 2022
• Notes on the SQLite DuckDB Paper
  4 projects | news.ycombinator.com | 1 Sep 2022

  DuckDB can actually read SQLite or Postgres directly! In the SQLite case, something like Litestream plus DuckDB could work really well!

  Also, with Pyarrow's help, DuckDB can already do this with Delta tables!

  https://github.com/duckdblabs/sqlite_scanner

  https://github.com/duckdblabs/postgresscanner

• Friendlier SQL with DuckDB
  8 projects | news.ycombinator.com | 12 May 2022

  Interesting thought! I have not tried this yet so I only have a guess as an answer. Could you export the data as SQL statements and then run those statements on DuckDB? That may be easier to set up, but may take longer to run...

  DuckDB also has the ability to read Postgres data directly, and there is a Postgres FDW that can read from DuckDB!

  https://github.com/duckdblabs/postgresscanner

  https://github.com/alitrack/duckdb_fdw

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