Discussions

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  DISCUSSION: San Francisco DataFusion Meetup (February 19, 2026)

  divs1101-maker started Jan 17, 2026 in General

  

  

  

  

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  DISCUSSION: Apache DataFusion New York Meetup April / May 2026

  adriangb started Jan 27, 2026 in General

  

  

  

  

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  DISCUSSION: Seattle DataFusion Meetup (April 23, 2026)

  tbar4 started Nov 20, 2024 in General

  

  

  

  

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  DISCUSSION: DataFusion Meetup in Stockholm, Sweden

  alamb started Nov 1, 2025 in General

  

  

  

  

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  DISCUSSION: Apache DataFusion Portland, OR Meetup

  akurmustafa started Jan 14, 2026 in General

  

  

  

  

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  DataFusion at Tokio-Conf 2026.

  akurmustafa started Oct 24, 2025 in General

  

  

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  Automating predicate pushdown via declared capabilities

  xonx4l asked Dec 30, 2025 in Q&A · Unanswered

  

  

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  Use https://github.com/idanarye/rust-typed-builder

  adriangb started Dec 27, 2025 in General

  

  

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  Feedback on high memory usage when merging N parquet files

  ndchandar asked Nov 20, 2025 in Q&A · Unanswered

  

  

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  DISCUSSION: DataFusion Meetup in Denver, CO USA

  alamb started Nov 1, 2025 in General

  

  

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  Indexing Support in DataFusion?

  alamb started Apr 5, 2024 in Ideas

  

  

  

  

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  DISCUSSION: DataFusion Meetup in China 2025

  waynexia started Jun 9, 2025 in General

  

  

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  DataFusion - Superset Integration

  frett27 started Nov 9, 2025 in General

  

  

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  Solr extension

  agupta726 asked Nov 5, 2025 in Q&A · Unanswered

  

  

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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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  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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  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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  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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