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According to
https://github.blog/2020-05-20-three-bugs-in-the-go-mysql-driver/, when QueryContext is called with a context that is cancelled during scan, you can receive incomplete or corrupted results. As I understand it, the corruption is fixed upstream, but it's still possible to get incomplete results that will only show up in the error result from Close.
It's still possible and correct to call
defer rows.Close()
, since the database/sql docs say this:https://godoc.org/database/sql#Rows.Close
Note: This is a recreation of go-gorp#420