Type safety in the world of graph databases
summary
Shows a concrete, working stack: Gremlin Scala wrapping the Java Gremlin API to produce type-safe traversals driven by a JSON schema and code generation, with case-class macros and shapeless-typed step labels so lookups return tuples instead of Object[] and wrong-property types or illegal edge-vs-vertex steps fail at compile time. Uses graphs for code-security analysis and demonstrates performance claim from a benchmark of 1,000,000 nodes / 50 edges avg (constant-time hops) and local TinkerPop changes giving ~70% memory improvement. Tooling still lags relational DBs.
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chapters (9)
- 0:00Intro
- 1:17RELATIONAL DB ANYONE?
- 7:41PROPERTY GRAPH
- 12:09SPARQL (W3C)
- 13:45GREMLIN (APACHE TINKERPOP)
- 18:18ARROW SYNTAX
- 20:53TRAVERSAL BASICS
- 30:39CATCH ERRORS AT COMPILE TIME
- 32:16CUSTOM DSL
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