apache arrow-datafusion Discussions

Discussions

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  Why isn't this predicate being pushed down to TableScan?

  aprimadi started Jun 4, 2023 in General

  

  

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  [DISCUSS] Move Apache Arrow Datafusion to a new top level Apache projection

  alamb started May 29, 2023 in General

  

  

  

  

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  Discussion: "Goals of DataFusion" / "Vision" for DataFusion

  alamb started May 25, 2023 in General

  

  

  

  

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  How to solve "Error: This feature is not implemented: Can't create a scalar from array of type "Map"

  dadepo asked May 29, 2023 in Q&A · Unanswered

  

  

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  How may I construct a value of vec of vecs for a record batch?

  finlaydotb asked May 20, 2023 in Q&A · Answered

  

  

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  make_array returns FixedSizeList which has proven to be difficult to work with.

  dadepo asked May 25, 2023 in Q&A · Unanswered

  

  

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  Camel case column name in sql query being automatically set to lowercase

  SanjayKondapalli asked May 1, 2023 in Q&A · Answered

  

  

  

  

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  json_array_elements and json_build_object in Datafusion?

  dadepo asked May 10, 2023 in Q&A · Unanswered

  

  

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  Can we use compression on Parquet writing?

  metesynnada asked Apr 19, 2023 in Q&A · Answered

  

  

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  Create in-memory index ?

  BubbaJoe asked Apr 14, 2023 in Q&A · Unanswered

  

  

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  How to define Schema for embedded JSON fields

  dadepo asked Apr 13, 2023 in Q&A · Answered

  

  

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  Fusing multiple operations into one kernel

  ozgrakkurt started Apr 8, 2023 in Ideas

  

  

  

  

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  Memory usage during Parquet scan

  alexwilcoxson-rel asked Apr 6, 2023 in Q&A · Answered

  

  

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  Windows build fails in CI: blake3_sse41_x86-64_windows_msvc.o(2) : fatal error A1009:line too long

  twitu asked Apr 2, 2023 in Q&A · Unanswered

  

  

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  Using unmerged arrow-rs PRs in Datafusion

  metesynnada asked Mar 1, 2023 in Q&A · Answered

  

  

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  Dynamic loading of plugins

  lixiaoyong12 asked Mar 2, 2023 in Q&A · Unanswered

  

  

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  How to change the row_count of RecordBatch returned from reading a parquet file

  twitu asked Feb 11, 2023 in Q&A · Answered

  

  

  

  

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  Poor performance compared to duck db on ClickBench

  dudzicp started Feb 1, 2023 in General

  

  

  

  

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  Guidance for integrating a progress bar

  joolean asked Dec 18, 2022 in Q&A · Answered

  

  

  

  

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  Blog post about DataFusion vs Spark

  alippai started Feb 1, 2023 in General

  

  

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  Understanding How My Datafusion Code Works Behind The Scenes

  dgildeh started Jan 25, 2023 in General

  

  

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  How can I string-split a string field into a list field in Arrow Datafusion?

  WijnandOntoforce asked Dec 13, 2022 in Q&A · Unanswered

  

  

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  DataFusion FDW-like remote-table querying crate, and a naming conundrum

  gruuya started Dec 8, 2022 in Show and tell

  

  

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  Roadmap on website is at 2022 Q2

  mauropagano started Nov 28, 2022 in General

  

  

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  Why the unbounded channel is used inside the RepartitionExec?

  YjyJeff asked Nov 1, 2022 in Q&A · Answered

  

  

  

  

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