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Add blog post on distributed Python UDFs in Ballista - #215

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andygrove wants to merge 6 commits into

apache:mainfrom

andygrove:blog/ballista-python-udfs

Draft

Add blog post on distributed Python UDFs in Ballista#215
andygrove wants to merge 6 commits into
apache:mainfrom
andygrove:blog/ballista-python-udfs

Commits on Oct 29, 2026
- blog: add post on distributed Python UDFs in Ballista
  andygrove
  committed
  5a1ec85
- Use TPC-H Q19 as the Python UDF example
  
  timsaucer
  and
  claude
  committed
  759af23
- Note DataFusion Python docs apply to Ballista and cache() gap
  
  timsaucer
  and
  claude
  committed
  939004f
- Clarify drawbacks of the old DistributedDataFrame wrapper
  
  timsaucer
  and
  claude
  committed
  6b1453c
- Correct which methods the old wrapper intercepted
  
  timsaucer
  and
  claude
  committed
  fb03f31
- Merge pull request #3 from apache/blog/ballista-python-udfs-q19-example
  andygrove
  authored
  041ad6c