Project Number Date
cypher-for-gremlin 1.0.1 31 May 2019, 13:18

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
NullOperator 28 0 0 0 0 28 6 0 6 0.000 Passed
Feature NullOperator
0.000
Given an empty graph 0.000 
13:17:32.768 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().drop()}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
And having executed: 0.000
Doc string 
CREATE ({exists: 42})
13:17:32.769 [Test worker] DEBUG o.a.t.g.driver.Client - CREATE ({exists: 42})}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.769 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: CREATE ({exists: 42})
13:17:32.771 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.addV().property(single, 'exists', 42).barrier().limit(0)
When executing query: 0.000
Doc string 
MATCH (n)
RETURN n.missing IS NULL,
       n.exists IS NULL
13:17:32.804 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n)
RETURN n.missing IS NULL,
       n.exists IS NULL}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.804 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN n.missing IS NULL,        n.exists IS NULL
13:17:32.811 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('n.missing IS NULL', 'n.exists IS NULL').by(__.choose(neq('  cypher.null'), __.choose(__.values('missing'), __.values('missing'), __.constant('  cypher.null'))).choose(__.is(eq('  cypher.null')), __.constant(true), __.constant(false))).by(__.choose(neq('  cypher.null'), __.choose(__.values('exists'), __.values('exists'), __.constant('  cypher.null'))).choose(__.is(eq('  cypher.null')), __.constant(true), __.constant(false)))
Then the result should be: 0.000
n.missing IS NULL n.exists IS NULL
true false
And no side effects 0.000 
13:17:32.813 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n) RETURN id(n)}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.813 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN id(n)
13:17:32.816 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('id(n)').by(__.id())
13:17:32.817 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH ()-[r]->() RETURN id(r)}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.817 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH ()-[r]->() RETURN id(r)
13:17:32.820 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.E().project('id(r)').by(__.id())
13:17:32.825 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n)
UNWIND labels(n) AS label
RETURN DISTINCT label}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.825 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) UNWIND labels(n) AS label RETURN DISTINCT label
13:17:32.830 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().map(__.label().is(neq('vertex')).fold()).unfold().project('label').by(__.identity()).dedup()
13:17:32.833 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().as('V').properties().project('nodeId', 'key', 'value').by(__.select('V').id()).by(__.key()).by(__.value())}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.834 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().outE().as('E').properties().project('relId', 'key', 'value').by(__.select('E').id()).by(__.key()).by(__.value())}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
-labels:        0
+labels:        0
+nodes:         0
-nodes:         0
-properties:    0
+properties:    0
-relationships: 0
+relationships: 0
0.000
Given an empty graph 0.000 
13:17:32.845 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().drop()}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
And having executed: 0.000
Doc string 
CREATE ({exists: 42})
13:17:32.864 [Test worker] DEBUG o.a.t.g.driver.Client - CREATE ({exists: 42})}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.864 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: CREATE ({exists: 42})
13:17:32.866 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.addV().property(single, 'exists', 42).barrier().limit(0)
When executing query: 0.000
Doc string 
MATCH (n)
RETURN n.missing IS NOT NULL,
       n.exists IS NOT NULL
13:17:32.901 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n)
RETURN n.missing IS NOT NULL,
       n.exists IS NOT NULL}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.901 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN n.missing IS NOT NULL,        n.exists IS NOT NULL
13:17:32.904 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('n.missing IS NOT NULL', 'n.exists IS NOT NULL').by(__.choose(neq('  cypher.null'), __.choose(__.values('missing'), __.values('missing'), __.constant('  cypher.null'))).choose(__.is(neq('  cypher.null')), __.constant(true), __.constant(false))).by(__.choose(neq('  cypher.null'), __.choose(__.values('exists'), __.values('exists'), __.constant('  cypher.null'))).choose(__.is(neq('  cypher.null')), __.constant(true), __.constant(false)))
Then the result should be: 0.000
n.missing IS NOT NULL n.exists IS NOT NULL
false true
And no side effects 0.000 
13:17:32.906 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN id(n)
13:17:32.911 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('id(n)').by(__.id())
13:17:32.911 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n) RETURN id(n)}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.912 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH ()-[r]->() RETURN id(r)}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.912 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH ()-[r]->() RETURN id(r)
13:17:32.916 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.E().project('id(r)').by(__.id())
13:17:32.920 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n)
UNWIND labels(n) AS label
RETURN DISTINCT label}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.920 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) UNWIND labels(n) AS label RETURN DISTINCT label
13:17:32.923 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().map(__.label().is(neq('vertex')).fold()).unfold().project('label').by(__.identity()).dedup()
13:17:32.930 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().as('V').properties().project('nodeId', 'key', 'value').by(__.select('V').id()).by(__.key()).by(__.value())}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.931 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().outE().as('E').properties().project('relId', 'key', 'value').by(__.select('E').id()).by(__.key()).by(__.value())}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
-labels:        0
+labels:        0
+nodes:         0
-nodes:         0
-properties:    0
+properties:    0
-relationships: 0
+relationships: 0
0.000
Given an empty graph 0.000 
13:17:32.936 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().drop()}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
And having executed: 0.000
Doc string 
CREATE ({exists: 42})
13:17:32.937 [Test worker] DEBUG o.a.t.g.driver.Client - CREATE ({exists: 42})}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.937 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: CREATE ({exists: 42})
13:17:32.939 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.addV().property(single, 'exists', 42).barrier().limit(0)
When executing query: 0.000
Doc string 
OPTIONAL MATCH (n)
RETURN n.missing IS NULL,
       n.exists IS NULL
13:17:32.964 [Test worker] DEBUG o.a.t.g.driver.Client - OPTIONAL MATCH (n)
RETURN n.missing IS NULL,
       n.exists IS NULL}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.964 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: OPTIONAL MATCH (n) RETURN n.missing IS NULL,        n.exists IS NULL
13:17:32.967 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.inject('  cypher.start').choose(__.V().as('n'), __.V().as('n'), __.constant('  cypher.null').as('n')).select('n').project('n.missing IS NULL', 'n.exists IS NULL').by(__.choose(neq('  cypher.null'), __.choose(__.values('missing'), __.values('missing'), __.constant('  cypher.null'))).choose(__.is(eq('  cypher.null')), __.constant(true), __.constant(false))).by(__.choose(neq('  cypher.null'), __.choose(__.values('exists'), __.values('exists'), __.constant('  cypher.null'))).choose(__.is(eq('  cypher.null')), __.constant(true), __.constant(false)))
Then the result should be: 0.000
n.missing IS NULL n.exists IS NULL
true false
And no side effects 0.000 
13:17:32.969 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n) RETURN id(n)}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.969 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN id(n)
13:17:32.971 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('id(n)').by(__.id())
13:17:32.971 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH ()-[r]->() RETURN id(r)}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.971 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH ()-[r]->() RETURN id(r)
13:17:32.974 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.E().project('id(r)').by(__.id())
13:17:32.978 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n)
UNWIND labels(n) AS label
RETURN DISTINCT label}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.978 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) UNWIND labels(n) AS label RETURN DISTINCT label
13:17:32.981 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().map(__.label().is(neq('vertex')).fold()).unfold().project('label').by(__.identity()).dedup()
13:17:32.984 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().as('V').properties().project('nodeId', 'key', 'value').by(__.select('V').id()).by(__.key()).by(__.value())}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.985 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().outE().as('E').properties().project('relId', 'key', 'value').by(__.select('E').id()).by(__.key()).by(__.value())}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
-labels:        0
+labels:        0
+nodes:         0
-nodes:         0
-properties:    0
+properties:    0
-relationships: 0
+relationships: 0
0.000
Given an empty graph 0.000 
13:17:32.994 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().drop()}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
And having executed: 0.000
Doc string 
CREATE ({exists: 42})
13:17:32.995 [Test worker] DEBUG o.a.t.g.driver.Client - CREATE ({exists: 42})}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:32.995 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: CREATE ({exists: 42})
13:17:32.997 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.addV().property(single, 'exists', 42).barrier().limit(0)
When executing query: 0.000
Doc string 
OPTIONAL MATCH (n)
RETURN n.missing IS NOT NULL,
       n.exists IS NOT NULL
13:17:33.029 [Test worker] DEBUG o.a.t.g.driver.Client - OPTIONAL MATCH (n)
RETURN n.missing IS NOT NULL,
       n.exists IS NOT NULL}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.029 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: OPTIONAL MATCH (n) RETURN n.missing IS NOT NULL,        n.exists IS NOT NULL
13:17:33.031 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.inject('  cypher.start').choose(__.V().as('n'), __.V().as('n'), __.constant('  cypher.null').as('n')).select('n').project('n.missing IS NOT NULL', 'n.exists IS NOT NULL').by(__.choose(neq('  cypher.null'), __.choose(__.values('missing'), __.values('missing'), __.constant('  cypher.null'))).choose(__.is(neq('  cypher.null')), __.constant(true), __.constant(false))).by(__.choose(neq('  cypher.null'), __.choose(__.values('exists'), __.values('exists'), __.constant('  cypher.null'))).choose(__.is(neq('  cypher.null')), __.constant(true), __.constant(false)))
Then the result should be: 0.000
n.missing IS NOT NULL n.exists IS NOT NULL
false true
And no side effects 0.000 
13:17:33.034 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n) RETURN id(n)}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.034 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN id(n)
13:17:33.037 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('id(n)').by(__.id())
13:17:33.037 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH ()-[r]->() RETURN id(r)}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.038 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH ()-[r]->() RETURN id(r)
13:17:33.042 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.E().project('id(r)').by(__.id())
13:17:33.046 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n)
UNWIND labels(n) AS label
RETURN DISTINCT label}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.047 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) UNWIND labels(n) AS label RETURN DISTINCT label
13:17:33.049 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().map(__.label().is(neq('vertex')).fold()).unfold().project('label').by(__.identity()).dedup()
13:17:33.052 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().as('V').properties().project('nodeId', 'key', 'value').by(__.select('V').id()).by(__.key()).by(__.value())}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.053 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().outE().as('E').properties().project('relId', 'key', 'value').by(__.select('E').id()).by(__.key()).by(__.value())}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
-labels:        0
+labels:        0
+nodes:         0
-nodes:         0
-properties:    0
+properties:    0
-relationships: 0
+relationships: 0
0.000
Given an empty graph 0.000 
13:17:33.057 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().drop()}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
When executing query: 0.000
Doc string 
OPTIONAL MATCH (n)
RETURN n.missing IS NULL
13:17:33.088 [Test worker] DEBUG o.a.t.g.driver.Client - OPTIONAL MATCH (n)
RETURN n.missing IS NULL}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.088 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: OPTIONAL MATCH (n) RETURN n.missing IS NULL
13:17:33.091 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.inject('  cypher.start').choose(__.V().as('n'), __.V().as('n'), __.constant('  cypher.null').as('n')).select('n').project('n.missing IS NULL').by(__.choose(neq('  cypher.null'), __.choose(__.values('missing'), __.values('missing'), __.constant('  cypher.null'))).choose(__.is(eq('  cypher.null')), __.constant(true), __.constant(false)))
Then the result should be: 0.000
n.missing IS NULL
true
And no side effects 0.000 
13:17:33.094 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n) RETURN id(n)}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.094 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN id(n)
13:17:33.097 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('id(n)').by(__.id())
13:17:33.100 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH ()-[r]->() RETURN id(r)}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.100 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH ()-[r]->() RETURN id(r)
13:17:33.103 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.E().project('id(r)').by(__.id())
13:17:33.106 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n)
UNWIND labels(n) AS label
RETURN DISTINCT label}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.106 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) UNWIND labels(n) AS label RETURN DISTINCT label
13:17:33.110 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().map(__.label().is(neq('vertex')).fold()).unfold().project('label').by(__.identity()).dedup()
13:17:33.114 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().as('V').properties().project('nodeId', 'key', 'value').by(__.select('V').id()).by(__.key()).by(__.value())}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.118 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().outE().as('E').properties().project('relId', 'key', 'value').by(__.select('E').id()).by(__.key()).by(__.value())}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
-labels:        0
+labels:        0
+nodes:         0
-nodes:         0
-properties:    0
+properties:    0
-relationships: 0
+relationships: 0
0.000
Given an empty graph 0.000 
13:17:33.123 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().drop()}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
When executing query: 0.000
Doc string 
OPTIONAL MATCH (n)
RETURN n.missing IS NOT NULL
13:17:33.154 [Test worker] DEBUG o.a.t.g.driver.Client - OPTIONAL MATCH (n)
RETURN n.missing IS NOT NULL}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.154 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: OPTIONAL MATCH (n) RETURN n.missing IS NOT NULL
13:17:33.156 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.inject('  cypher.start').choose(__.V().as('n'), __.V().as('n'), __.constant('  cypher.null').as('n')).select('n').project('n.missing IS NOT NULL').by(__.choose(neq('  cypher.null'), __.choose(__.values('missing'), __.values('missing'), __.constant('  cypher.null'))).choose(__.is(neq('  cypher.null')), __.constant(true), __.constant(false)))
Then the result should be: 0.000
n.missing IS NOT NULL
false
And no side effects 0.000 
13:17:33.158 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n) RETURN id(n)}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.159 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN id(n)
13:17:33.162 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('id(n)').by(__.id())
13:17:33.164 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH ()-[r]->() RETURN id(r)}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.165 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH ()-[r]->() RETURN id(r)
13:17:33.167 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.E().project('id(r)').by(__.id())
13:17:33.169 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n)
UNWIND labels(n) AS label
RETURN DISTINCT label}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.169 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) UNWIND labels(n) AS label RETURN DISTINCT label
13:17:33.171 [gremlin-server-worker-1] INFO  o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().map(__.label().is(neq('vertex')).fold()).unfold().project('label').by(__.identity()).dedup()
13:17:33.174 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().as('V').properties().project('nodeId', 'key', 'value').by(__.select('V').id()).by(__.key()).by(__.value())}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
13:17:33.181 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().outE().as('E').properties().project('relId', 'key', 'value').by(__.select('E').id()).by(__.key()).by(__.value())}} to - Connection{host=Host{address=localhost/127.0.0.1:36715, hostUri=ws://localhost:36715/gremlin}}
-labels:        0
+labels:        0
+nodes:         0
-nodes:         0
-properties:    0
+properties:    0
-relationships: 0
+relationships: 0