Github user patricker commented on the issue:
https://github.com/apache/nifi/pull/1471
@mattyb149 I generally use ExecuteSQL to call Stored Procedures.
Unfortunately Stored Procedures are such a pain in Derby it was easier to build
a test that called an update statement.
However, I have already used ExecuteSQL for Inserts in the past without
issue and without modification. I didn't really even think about using PutSQL
since it was a single record I was inserting for tracking metrics in an
external reporting database.
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