[MySQL]: optimize result set streaming from iterator()
#4126
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While testing the iterator I found it doesn't perform as well as I was expecting with really large datasets (1 million+ rows) based on past experiences with streams from
mysql2
I've simplified the implementation to just use
for await
, it's functionally equivalent in terms of control flow and error handling, but consumes less resources in the process since we are allocating far less inside the loop.A before and after streaming 1 million rows
Before: 22 Seconds
After: 8 seconds