Supported Cypher

This section describes the Cypher9 features supported by Morpheus.

Not all features of Cypher9 are supported by Morpheus. Some will be supported in the future. Others will never be supported.

Notable missing features that will be supported in the future are:

Notable missing feature that will never be supported are:

Here follows a comprehensive reference of Cypher9 features and their implementation status.

Types

name	status	name	status
Boolean	[✓]	Date	[✓]
DateTime	[ ]	Duration	[✓]
Float	[✓]	Integer	[✓]
List	[✓]	LocalDateTime	[✓]
LocalTime	[ ]	Map	[✓]
Node	[✓]	Path	[ ]
Point	[ ]	Relationship	[✓]
String	[✓]	Time	[ ]

name	status	name	status
`CALL … YIELD`	[ ]	`CREATE`	[ ]
`DELETE`	[ ]	`DETACH DELETE`	[ ]
`MANDATORY MATCH`	[ ]	`MATCH`	[✓]
`MERGE`	[ ]	`OPTIONAL MATCH`	[✓]
`REMOVE`	[ ]	`RETURN`	[✓]
`SET`	[ ]	`UNION`	[✓]
`UNWIND`	[✓]	`WITH`	[✓]

name	status	name	status
`LIMIT`	[✓]	`ON CREATE`	[ ]
`ON MATCH`	[ ]	`ORDER BY`	[✓]
`SKIP`	[✓]	`WHERE`	[✓]

name	status	name	status	name	status	name	status
`abs()`	[✓]	`acos()`	[✓]	`asin()`	[✓]	`atan()`	[✓]
`atan2()`	[✓]	`ceil()`	[✓]	`coalesce()`	[✓]	`cos()`	[✓]
`cot()`	[✓]	`degrees()`	[✓]	`distance()`	[ ]	`e()`	[✓]
`endNode()`	[✓]	`exists()`	[✓]	`exp()`	[✓]	`floor()`	[✓]
`haversin()`	[✓]	`head()`	[✓]	`id()`	[✓]	`in()`	[✓]
`keys()`	[✓]	`lTrim()`	[✓]	`labels()`	[✓]	`last()`	[✓]
`left()`	[✓]	`length()`	[✓]	`log()`	[✓]	`log10()`	[✓]
`nodes()`	[ ]	`pi()`	[✓]	`point()`	[ ]	`properties()`	[✓]
`rTrim()`	[✓]	`radians()`	[✓]	`rand()`	[✓]	`range()`	[✓]
`relationships()`	[ ]	`replace()`	[✓]	`reverse()`	[✓]	`right()`	[✓]
`round()`	[✓]	`sign()`	[✓]	`sin()`	[✓]	`size()`	[✓]
`split()`	[✓]	`sqrt()`	[✓]	`startNode()`	[✓]	`substring()`	[✓]
`tail()`	[✓]	`tan()`	[✓]	`timestamp()`	[✓]	`toBoolean()`	[✓]
`toFloat()`	[✓]	`toInteger()`	[✓]	`toLower()`	[✓]	`toString()`	[✓]

name	status	name	status
`avg()`	[✓]	`collect()`	[✓]
`count()`	[✓]	`max()`	[✓]
`min()`	[✓]	`percentileCont()`	[✓]
`percentileDisc()`	[✓]	`stdDev()`	[✓]
`stdDevP()`	[✓]	`sum()`	[✓]

name	status	name	status
CASE	[✓]	all	[✓]
allShortestPaths	[ ]	any	[✓]
extract	X	filter	X
list comprehension	[✓]	map projections	[✓]
none	[✓]	parameters	[✓]
pattern comprehensions	[ ]	reduce	[✓]
shortestPath	[ ]	single	[✓]

name	status	name	status	name	status
`=`	[✓]	`<>`	[✓]	`<`	[✓]
`>`	[✓]	`<=`	[✓]	`>=`	[✓]
`=~`	[✓]	`+ (arithmetic)`	[✓]	`+ (list)`	[✓]
`+ (string)`	[✓]	`/`	[✓]	`*`	[✓]
`.`	[✓]	`[] (subscript)`	[✓]	`AND`	[✓]
`CONTAINS`	[✓]	`DISTINCT`	[✓]	`ENDS WITH`	[✓]
`IS NOT NULL`	[✓]	`IS NULL`	[✓]	`NOT`	[✓]
`OR`	[✓]	`STARTS WITH`	[✓]	`XOR`	[✓]