Marko A. Rodriguez created TINKERPOP-1417:
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Summary: Create a Gremlin language subset that is easy to
implement on any VM
Key: TINKERPOP-1417
URL: https://issues.apache.org/jira/browse/TINKERPOP-1417
Project: TinkerPop
Issue Type: Improvement
Components: process
Affects Versions: 3.2.1
Reporter: Marko A. Rodriguez
Implementing the Gremlin VM in another language is pretty straightforward.
However, its a lot of code.. all these steps implementations. One thing we
could do to make it easy for database providers not on the JVM (e.g. ArangoDB
and C) is to create "Gremlito" (Gremlin--). This language subset wouldn't
support side-effects, sacks, match, etc. Basically, just simple traversal steps
and reducing barrier terminals.
Thus:
* out, in, both, values, outE, inV, id, label, etc.
* repeat
* select, project
* where, has, limit, range, is, dedup
* path, simplePath, cyclicPath
* groupCount, sum, group, count, max, min, etc. (reducing barriers)
I suspect the steps above make up 90% of user traversals and all are easy to
implement.
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