Passing CopyMultiInsertInfo structure to CopyMultiInsertInfoNextFreeSlot()

Hi Andres, Hari, David,

In the latest PostgreSQL code, I could see that we are passing CopyMultiInsertInfo structure to CopyMultiInsertInfoNextFreeSlot() although it is not being used anywhere in that function. Could you please let me know if it has been done intentionally or it is just an overlook that needs to be corrected. AFAIU, CopyMultiInsertInfoNextFreeSlot() is just intended to return the next free slot available in the multi insert buffer and we already have that buffer stored in ResultRelInfo structure which is also being passed to that function so not sure what could be the purpose of passing CopyMultiInsertInfo structure as well. Please let me know if i am missing something here. Thank you.

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