Github user mebelousov commented on the issue:
https://github.com/apache/zeppelin/pull/2442
@zjffdu @felixcheung
Every day our users run about 1000 queries in the Greenplum (open source
Postgres-based DB).
There is great need for binding the query to the user and/or to the note.
The precode `set application_name=#{noteId};` allows quickly find the note.
This precode must be set by Zeppelin administrator, business users will not
write any precode in each note for each jdbc-interpreter.
I believe the precode in JDBC interpreter is necessary feature for
entreprise users.
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