Re: Improve explicit cursor handling in pg_stat_statements

I forgot to add the proper tests to the Normalize cursor utility statements.
Reattaching v2.

I also want to add that the decision to not normalize the cursor name in
the FETCH command is because it would not make sense to combine
FETCH commands for various cursors into the same entry.

Regards,

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Sami Imseih
Amazon Web Services (AWS)