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Posted to issues@arrow.apache.org by "KitaitiMakoto (via GitHub)" <gi...@apache.org> on 2024/01/06 23:24:34 UTC

[I] [Ruby] ChunkedArray raises an error in Ractor block [arrow]

KitaitiMakoto opened a new issue, #39488:
URL: https://github.com/apache/arrow/issues/39488

   ### Describe the bug, including details regarding any error messages, version, and platform.
   
   From https://github.com/red-data-tools/red_amber/issues/289
   
   When you access `ChunkedArray`'s elements in Ractor block, it raises an error:
   
   ```ruby
   array = Arrow::Array.new([1, 2, 3])
   chunked_array = Arrow::ChunkedArray.new([array])
   Ractor.make_shareable(chunked_array)
   ractor = Ractor.new {
     ca = Ractor.receive
     ca[0]
   }
   ractor.send(chunked_array)
   ractor.take
   ```
   
   ```
   #<Thread:0x0000000127354008 run> terminated with exception (report_on_exception is true):
   ~/src/github.com/apache/arrow/ruby/red-arrow/lib/arrow/chunked-array.rb:50:in `chunks': can't modify frozen Arrow::ChunkedArray: #<Arrow::ChunkedArray:0x1273546e8ptr=0x60000377f2a0 [ (FrozenError)
     [
       1,
       2,
       3
     ]
   ]>
           from ~/src/github.com/apache/arrow/ruby/red-arrow/lib/arrow/chunked-array.rb:80:in `[]'
   ```
   
   I think most of
   
   ```ruby
   def iv
     @iv ||= init_instance_variable
   end
   ```
   
   pattern occur the same problem.
   
   ### Component(s)
   
   Ruby


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Re: [I] [Ruby] ChunkedArray raises an error in Ractor block [arrow]

Posted by "kou (via GitHub)" <gi...@apache.org>.
kou closed issue #39488: [Ruby] ChunkedArray raises an error in Ractor block
URL: https://github.com/apache/arrow/issues/39488


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Re: [I] [Ruby] ChunkedArray raises an error in Ractor block [arrow]

Posted by "KitaitiMakoto (via GitHub)" <gi...@apache.org>.
KitaitiMakoto commented on issue #39488:
URL: https://github.com/apache/arrow/issues/39488#issuecomment-1880684535

   Thanks!


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