Discussions

• 1 You must be logged in to vote

  💬

  Tokio-Conf 2026.

  akurmustafa started Oct 24, 2025 in General

  

  

  2
• 1 You must be logged in to vote

  💡

  Requesting feedback on long term plan for FFI approach

  ffi Changes to the ffi crate

  timsaucer started Oct 21, 2025 in Ideas

  

  

  0
• 1 You must be logged in to vote

  🙏

  Is there any way that I can use expr.partition_by in the context of Unbounded streaming data?

  baiguoname asked Oct 20, 2025 in Q&A · Unanswered

  

  

  1
• 1 You must be logged in to vote

  🙏

  Logical plan best practices: should I do pre-work at plan time, or Exec time?

  rickbatka asked Oct 19, 2025 in Q&A · Unanswered

  

  

  0
• 1 You must be logged in to vote

  💬

  Load parquet from memory?

  Stromberg started Oct 10, 2025 in General

  

  

  0
• 2 You must be logged in to vote

  💡

  Is there a join type that can pushdown join filter to one side's scan?

  alexwilcoxson-rel started Jul 31, 2023 in Ideas

  

  

  

  

  6
• 3 You must be logged in to vote

  💡

  datafusion mascot when?

  corasaurus-hex started Oct 6, 2025 in Ideas

  

  

  5
• 1 You must be logged in to vote

  💡

  Support OpenZL compression for Parquet

  vadimpiven started Oct 7, 2025 in Ideas

  

  

  0
• 1 You must be logged in to vote

  💬

  How do you account memory in production-grade analytical engines based on DataFusion? Async Parquet reader makes it difficult

  devozerov started Sep 30, 2025 in General

  

  

  0
• 7 You must be logged in to vote

  💬

  DISCUSSION: DataFusion Meetup in New York, NY, USA - Sep 15, 2025

  leoDYL started Jun 5, 2025 in General

  

  

  

  

  19
• 2 You must be logged in to vote

  🙏

  Join reordering

  wangxiaoying asked Apr 13, 2024 in Q&A · Closed · Answered

  

  

  

  

  4
• 1 You must be logged in to vote

  🙏

  How can I use a case expression from Python?

  mesejo asked Jul 23, 2023 in Q&A · Closed · Answered

  

  

  

  

  2
• 1 You must be logged in to vote

  🙏

  How do I create a UDF in datafusion rust?

  chauhanVritul asked Jul 28, 2022 in Q&A · Closed · Answered

  

  

  

  

  2
• 1 You must be logged in to vote

  🙏

  Query data with "WHERE" clause for nested objects

  TheIndifferent asked Sep 22, 2025 in Q&A · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🙏

  How do you write a single parquet file with a specified compression?

  theelderbeever asked Sep 15, 2025 in Q&A · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🙏

  Drop/filter out rows containing nulls at the schema level

  90degs2infty asked Aug 4, 2025 in Q&A · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🙏

  Join problems with custom TableProviders

  robo-todd asked Jul 30, 2025 in Q&A · Unanswered

  

  

  2
• 2 You must be logged in to vote

  💬

  DISCUSSION: DataFusion Meetup in Boston, USA - Nov 12, 2025

  NGA-TRAN started Jul 7, 2025 in General

  

  

  

  

  8
• 1 You must be logged in to vote

  💬

  Best practices for memory-efficient deduplication of pre-sorted Parquet files

  zheniasigayev started Jul 14, 2025 in General

  

  

  

  

  12
• 1 You must be logged in to vote

  💬

  Difficulty reconciling table option types for listing vs direct usage

  ianthetechie started Jul 13, 2025 in General

  

  

  0
• 1 You must be logged in to vote

  💬

  DISCUSSION: Anyone around for the Databricks Data & AI Summit in San Francisco June 9–12 2025

  phillipleblanc started Apr 9, 2025 in General · Closed

  

  

  

  

  13
• 1 You must be logged in to vote

  🙏

  DataSourceExec metrics explanation

  debajyoti-truefoundry asked Jun 26, 2025 in Q&A · Answered

  

  

  4
• 1 You must be logged in to vote

  🙏

  how to run tpch benchmark datafusion

  l1t1 asked Jun 28, 2025 in Q&A · Closed · Answered

  

  

  1
• 1 You must be logged in to vote

  🙏

  how to write a UDTF read_pg?

  l1t1 asked Jun 26, 2025 in Q&A · Unanswered

  

  

  0
• 1 You must be logged in to vote

  🙏

  Optimizing dafafusion Build in CI

  rain2307 asked Jun 15, 2025 in Q&A · Closed · Unanswered

  

  

  0