apoc.trigger.resume

Procedure Deprecated

apoc.trigger.resume(name STRING) - resumes the given paused trigger.

This procedure is not intended to be used in a cluster environment, and may act unpredictably.

Please note that this procedure is deprecated.

Use the following ones instead, which allow for better support in a cluster:

deprecated procedure

new procedure

apoc.trigger.add(name STRING, statement STRING, selector MAP<STRING, ANY>, config MAP<STRING, ANY>)

apoc.trigger.install(databaseName STRING, name STRING, statement STRING, selector MAP<STRING, ANY>, config MAP<STRING, ANY>)

apoc.trigger.remove(name STRING)

apoc.trigger.drop(databaseName STRING, name STRING)

apoc.trigger.removeAll()

apoc.trigger.dropAll(databaseName STRING)

apoc.trigger.pause(name STRING)

apoc.trigger.stop(databaseName STRING, name STRING)

apoc.trigger.resume(name STRING)

apoc.trigger.start(databaseName STRING, name STRING)

where databaseName is the database where we want to execute the triggers.

Signature

apoc.trigger.resume(name :: STRING) :: (name :: STRING, query :: STRING, selector :: MAP, params :: MAP, installed :: BOOLEAN, paused :: BOOLEAN)

Input parameters

Name Type Default

name

STRING

null

Output parameters

Name Type

name

STRING

query

STRING

selector

MAP

params

MAP

installed

BOOLEAN

paused

BOOLEAN

Enable Triggers

By default triggers are disabled. We can enable them by setting the following property in apoc.conf:

apoc.conf
apoc.trigger.enabled=true
apoc.trigger.refresh=60000
Table 1. Description
Option Key Value Description

apoc.trigger.enabled

true/false, default false

Enable/Disable the feature

apoc.trigger.refresh

number, default 60000

Interval in ms after which a replication check is triggered across all cluster nodes

Usage Examples

A paused trigger can be resumed by using the following query:

CALL apoc.trigger.resume("count-removals");
Table 2. Results
name query selector params installed paused

"count-removals"

MATCH (c:Counter) SET c.count = c.count + size([f IN $deletedNodes WHERE id(f)  0])

{}

{}

TRUE

FALSE