Project Number Date
cypher-for-gremlin 1.0.4 05 Nov 2019, 16:13

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

16:11:59.002 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().drop()}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}}

And having executed: 0.000
CREATE ({exists: 42})

16:11:59.004 [Test worker] DEBUG o.a.t.g.driver.Client - CREATE ({exists: 42})}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.005 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: CREATE ({exists: 42}) 16:11:59.011 [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
MATCH (n)
RETURN n.missing IS NULL,
       n.exists IS NULL

16:11:59.052 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.053 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN n.missing IS NULL, n.exists IS NULL 16:11:59.064 [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

16:11:59.068 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN id(n) 16:11:59.067 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n) RETURN id(n)}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.071 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('id(n)').by(__.id()) 16:11:59.072 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH ()-[r]->() RETURN id(r)}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.072 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH ()-[r]->() RETURN id(r) 16:11:59.081 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.E().project('id(r)').by(__.id()) 16:11:59.085 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.086 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) UNWIND labels(n) AS label RETURN DISTINCT label 16:11:59.097 [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() 16:11:59.100 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.102 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/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

16:11:59.117 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().drop()}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}}

And having executed: 0.000
CREATE ({exists: 42})

16:11:59.119 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: CREATE ({exists: 42}) 16:11:59.119 [Test worker] DEBUG o.a.t.g.driver.Client - CREATE ({exists: 42})}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.121 [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
MATCH (n)
RETURN n.missing IS NOT NULL,
       n.exists IS NOT NULL

16:11:59.184 [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 16:11:59.184 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.188 [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

16:11:59.189 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n) RETURN id(n)}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.189 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN id(n) 16:11:59.195 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('id(n)').by(__.id()) 16:11:59.196 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH ()-[r]->() RETURN id(r)}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.198 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH ()-[r]->() RETURN id(r) 16:11:59.202 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.E().project('id(r)').by(__.id()) 16:11:59.205 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.205 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) UNWIND labels(n) AS label RETURN DISTINCT label 16:11:59.211 [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() 16:11:59.223 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.233 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/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

16:11:59.248 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().drop()}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}}

And having executed: 0.000
CREATE ({exists: 42})

16:11:59.249 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: CREATE ({exists: 42}) 16:11:59.249 [Test worker] DEBUG o.a.t.g.driver.Client - CREATE ({exists: 42})}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.251 [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
OPTIONAL MATCH (n)
RETURN n.missing IS NULL,
       n.exists IS NULL

16:11:59.311 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.311 [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 16:11:59.316 [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

16:11:59.317 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n) RETURN id(n)}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.317 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN id(n) 16:11:59.319 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('id(n)').by(__.id()) 16:11:59.320 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH ()-[r]->() RETURN id(r)}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.321 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH ()-[r]->() RETURN id(r) 16:11:59.323 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.E().project('id(r)').by(__.id()) 16:11:59.328 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.330 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) UNWIND labels(n) AS label RETURN DISTINCT label 16:11:59.332 [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() 16:11:59.335 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.335 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/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

16:11:59.340 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().drop()}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}}

And having executed: 0.000
CREATE ({exists: 42})

16:11:59.344 [Test worker] DEBUG o.a.t.g.driver.Client - CREATE ({exists: 42})}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.344 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: CREATE ({exists: 42}) 16:11:59.347 [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
OPTIONAL MATCH (n)
RETURN n.missing IS NOT NULL,
       n.exists IS NOT NULL

16:11:59.379 [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 16:11:59.380 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.383 [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

16:11:59.385 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n) RETURN id(n)}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.385 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN id(n) 16:11:59.388 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('id(n)').by(__.id()) 16:11:59.388 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH ()-[r]->() RETURN id(r)}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.388 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH ()-[r]->() RETURN id(r) 16:11:59.392 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.E().project('id(r)').by(__.id()) 16:11:59.396 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.397 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) UNWIND labels(n) AS label RETURN DISTINCT label 16:11:59.399 [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() 16:11:59.402 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.402 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/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

16:11:59.407 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().drop()}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}}

When executing query: 0.000
OPTIONAL MATCH (n)
RETURN n.missing IS NULL

16:11:59.456 [Test worker] DEBUG o.a.t.g.driver.Client - OPTIONAL MATCH (n) RETURN n.missing IS NULL}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.457 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: OPTIONAL MATCH (n) RETURN n.missing IS NULL 16:11:59.461 [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

16:11:59.463 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n) RETURN id(n)}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.463 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN id(n) 16:11:59.465 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('id(n)').by(__.id()) 16:11:59.467 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH ()-[r]->() RETURN id(r)}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.468 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH ()-[r]->() RETURN id(r) 16:11:59.471 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.E().project('id(r)').by(__.id()) 16:11:59.473 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.473 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) UNWIND labels(n) AS label RETURN DISTINCT label 16:11:59.477 [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() 16:11:59.481 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.485 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/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

16:11:59.489 [Test worker] DEBUG o.a.t.g.driver.Client - g.V().drop()}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}}

When executing query: 0.000
OPTIONAL MATCH (n)
RETURN n.missing IS NOT NULL

16:11:59.517 [Test worker] DEBUG o.a.t.g.driver.Client - OPTIONAL MATCH (n) RETURN n.missing IS NOT NULL}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.518 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: OPTIONAL MATCH (n) RETURN n.missing IS NOT NULL 16:11:59.520 [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

16:11:59.535 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH (n) RETURN id(n)}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.535 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) RETURN id(n) 16:11:59.540 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.V().project('id(n)').by(__.id()) 16:11:59.547 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH ()-[r]->() RETURN id(r) 16:11:59.552 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Gremlin: g.E().project('id(r)').by(__.id()) 16:11:59.552 [Test worker] DEBUG o.a.t.g.driver.Client - MATCH ()-[r]->() RETURN id(r)}} to - Connection{host=Host{address=localhost/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.560 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.561 [gremlin-server-worker-1] INFO o.o.g.s.o.c.CypherOpProcessor - Cypher: MATCH (n) UNWIND labels(n) AS label RETURN DISTINCT label 16:11:59.565 [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() 16:11:59.572 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} 16:11:59.585 [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/127.0.0.1:34669, hostUri=ws://localhost:34669/gremlin}} -labels: 0 +labels: 0 +nodes: 0 -nodes: 0 -properties: 0 +properties: 0 -relationships: 0 +relationships: 0