[GitHub] [arrow-nanoarrow] pitrou commented on issue #8: Implement `struct ArrowArrayBuilder`

[GitBox <gi...@apache.org>]

pitrou commented on issue #8:
URL: https://github.com/apache/arrow-nanoarrow/issues/8#issuecomment-1203706719

   > One way to do this is a bunch of callables that are something like the reverse of SQLite's result interface
   
   So this is for building arrays whose type is not strictly known at compile-time? Going through function pointers will make this slower than if you expose type-specific inline functions/macros, at least when appending one items at a time.
   
   We have to think about the use cases for nanoarrow. Mostly, it will be used for bridging/converting with non-Arrow systems, and in this scheme people will probably have runtime switch/case statements to dispatch based on datatype anyway. So I'm not sure an untyped convention is really useful.
   


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