apoc.when

Procedure

apoc.when(condition Boolean, ifQuery String, elseQuery String, params Map<String, Any>) - this procedure will run the read-only ifQuery if the conditional has evaluated to true, otherwise the elseQuery will run.

Signature

apoc.when(condition :: BOOLEAN?, ifQuery :: STRING?, elseQuery =  :: STRING?, params = {} :: MAP?) :: (value :: MAP?)

Input parameters

Name	Type	Default
condition	BOOLEAN?	null
ifQuery	STRING?	null
elseQuery	STRING?
params	MAP?	{}

Name

Type

Default

condition

BOOLEAN?

null

ifQuery

STRING?

null

elseQuery

STRING?

params

MAP?

{}

Output parameters

Name	Type
value	MAP?

Name

Type

value

MAP?

Usage examples

CALL apoc.when(false, 'RETURN 7 as b');

Table 1. Results
value
{}

CALL apoc.when(true, 'RETURN $a + 7 as b', 'RETURN $a as b',{a:3})

Table 2. Results
value
{b: 10}