apoc.atomic.insert

Procedure APOC Core

apoc.atomic.insert(node/relatonship,propertyName,position,value) insert a value into the property’s array value at 'position'

Signature

apoc.atomic.insert(container :: ANY?, propertyName :: STRING?, position :: INTEGER?, value :: ANY?, times = 5 :: INTEGER?) :: (container :: ANY?, property :: STRING?, oldValue :: ANY?, newValue :: ANY?)

Input parameters

Name Type Default

container

ANY?

null

propertyName

STRING?

null

position

INTEGER?

null

value

ANY?

null

times

INTEGER?

5

Output parameters

Name Type

container

ANY?

property

STRING?

oldValue

ANY?

newValue

ANY?

Usage Examples

The examples in this section are based on the following sample graph:

CREATE (:Person {name:'Tom',age: 40})
CREATE (:Person {name:'Will',age: 35})
CREATE (:Person {name:'David', children: ['Anne','Sam','Paul']})
CREATE (:Person {name:'John', cars: ['Class A','X3','Focus']})
CREATE (:Person {name:'Ryan', salary1:1800, salary2:1500});

The following adds Mary in position 2 of children list:

MATCH (p:Person {name:'David'})
CALL apoc.atomic.insert(p,'children',2,'Mary',5)
YIELD oldValue, newValue
RETURN oldValue, newValue;
Table 1. Results
oldValue newValue

["Anne", "Sam", "Paul"]

["Anne", "Sam", "Mary", "Paul"]

More documentation of apoc.atomic.insert