Discussions

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  DISCUSSION: DataFusion Meetup in Stockholm, Sweeden

  alamb started Nov 1, 2025 in General

  

  

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  DISCUSSION: DataFusion Meetup in Denver, CO USA

  alamb started Nov 1, 2025 in General

  

  

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  Tokio-Conf 2026.

  akurmustafa started Oct 24, 2025 in General

  

  

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  Requesting feedback on long term plan for FFI approach

  ffi Changes to the ffi crate

  timsaucer started Oct 21, 2025 in Ideas

  

  

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  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

  

  

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

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

  

  

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  Load parquet from memory?

  Stromberg started Oct 10, 2025 in General

  

  

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

  alexwilcoxson-rel started Jul 31, 2023 in Ideas

  

  

  

  

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  datafusion mascot when?

  corasaurus-hex started Oct 6, 2025 in Ideas

  

  

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  Support OpenZL compression for Parquet

  vadimpiven started Oct 7, 2025 in Ideas

  

  

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  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

  

  

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  Query data with "WHERE" clause for nested objects

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

  

  

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

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

  

  

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  Drop/filter out rows containing nulls at the schema level

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

  

  

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  Join problems with custom TableProviders

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

  

  

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

  NGA-TRAN started Jul 7, 2025 in General

  

  

  

  

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

  zheniasigayev started Jul 14, 2025 in General

  

  

  

  

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  Difficulty reconciling table option types for listing vs direct usage

  ianthetechie started Jul 13, 2025 in General

  

  

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  DataSourceExec metrics explanation

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

  

  

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  how to write a UDTF read_pg?

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

  

  

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  Advices for implementing Apache Flink like windows based on DataFusion

  niebayes asked Jun 13, 2025 in Q&A · Unanswered

  

  

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  Search Pushdown (e.g. Vector Search) Into Table Providers

  westonpace started Jun 10, 2025 in Ideas

  

  

  

  

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  DISCUSSION: DataFusion Meetup in China 2025

  waynexia started Jun 9, 2025 in General

  

  

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  Should ExecutionPlan spawn tasks in execute function

  westonpace asked Apr 12, 2025 in Q&A · Unanswered

  

  

  

  

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  Expose intermediary states in aggregation functions

  mgrenonville asked Jun 3, 2025 in Q&A · Unanswered

  

  

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