hello

Due to the high efficiency of arrow column storage, I was using arrow-RS to 
write some algorithms, but I found a very embarrassing problem that almost all 
array types do not support insertion or append operations. This brings me great 
trouble when processing the data. I can now create arrow-array only after I 
have finished the data operation using vec. In terms of the process, this 
undoubtedly increases the conversion cost of the two data types, and 
arrow-array is not used in the calculation, which is somewhat inconsistent with 
my original intention of using arrow.

I wonder if this will not change, and if arrow-array itself is not suitable for 
computation operations, but is used primarily as a serialization tool.

It would be appreciated if you could provide some use cases of others in this 
regard for reference.

Best Regards,
Shark Yie

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