Github user nickwallen commented on the issue:
https://github.com/apache/metron/pull/884
Thanks for digging into it @merrimanr . You uncovered some good stuff.
> I found that the functions available in Zeppelin are a subset of what's
available in the Stellar shell. The missing functions include IS_EMAIL,
ENRICHMENT*, GEO*, STATS* and many others. Is this expected?
Yes, since we only added `stellar-common` to the interpreter, only the
functions defined in that library are available.
I just updated the README to clarify this point. I also added instructions
for adding additional libraries to gain access to more Stellar functions.
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