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}