Github user mebelousov commented on the issue:
https://github.com/apache/zeppelin/pull/2442
@zjffdu
The hooks as pre-code were discussed [previously
](https://github.com/apache/zeppelin/pull/2096#issuecomment-284220634)
We want precode execute before pre-hook for easy finding the note.
Meanwhile the hooks doesn't realized in JDBC interpreter.
The JDBC interpreter allow to split query and precode must run before each
statement in paragraph. Therefore the single way for precode for all
interpreters looks unrealizable.
The rename to `zeppelin.interpreter.precode` is good idea. Do this?
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