jeremysears

Gremlin Cheat Sheet in Groovy

Gremin traversal examples taken from the excellent DS330: DataStax Enterprise Graph course.

Creating Vertices and Vertex Properties

Add a Vertex

Vertex u = graph.addVertex("user");
       u.property("userId","u2016");
       u.property("age",36);

jeremysears

#!/usr/bin/env bash

matches=$(git diff HEAD~1 HEAD | grep -E '\+.*?FIXME')

if [ "$matches" != "" ]; then
  echo >&2 "A 'FIXME' tag has been detected.  Please fix all 'FIXME' tags before committing."
  echo >&2 ""
  echo >&2 "Matching FIXME:"
  echo >&2 "${matches}"
  echo >&2 ""

jeremysears

DSE Graph Schema Management Cheat Sheet in Gremlin Groovy

DSE Graph schema management examples taken from the excellent DS330: DataStax Enterprise Graph course.

Graph Definition

List all graph names:

system.graphs();  // => KillrVideo

Describe all graphs:

jeremysears

Keybase proof

I hereby claim:

• I am jeremysears on github.
• I am jeremysears (https://keybase.io/jeremysears) on keybase.
• I have a public key ASDaNVjtVZBOpexyv4deM7ABtyKQ-L6V_wT_908Js4GTMQo

To claim this, I am signing this object:

jeremysears

org.slf4j.LoggerFactory.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME).asInstanceOf[ch.qos.logback.classic.Logger].setLevel(ch.qos.logback.classic.Level.INFO)

jeremysears

#!/usr/bin/env bash

echo ################### mra-server.component-prepare BEGIN ##########################
# TODO: [jsears]  Runway is simply using db:setup.  Figure out what would initialize the DB in the first place.
# TODO: [jsears]  Change me, we don't do a db:drop in production!!!
declare -r mra_db_drop=\"-S rake db:drop\"
declare -r mra_db_setup=\"-S rake db:setup\"
# TODO: [jsears] Look into whether MRA needs this...
#declare -r mra_canary_ensure=\"-S rake canary:ensure\"