Neo4j

cezarykac · 01-09-2020

Hi, I would like to concatenate attributes like RETURN a.x + ',' + a.y The problem is when y doesn't exist it returns null: a.x + ',' + null - returns null instead of a.x Any idea why it works this way and how to correctly concat attributes ? Regards...

cezarykac · 08-13-2019

Hi, I added trigger: CALL apoc.trigger.add('updateprop','UNWIND {assignedNodeProperties} AS prop with prop.node as n SET n.tsupd = timestamp()', {phase:'before'}); then I did some changes But trigger does nothing Is it ok ? I wanted to add/update p...

cezarykac · 08-12-2019

Hi, I would like to add to every node/relationship a property like last_update_date=timestamp() And I want this property to be auto updated. So I need something db triggers/ I saw APOC has similar procedures. I registered triggers for creating nodes/...

cezarykac · 07-15-2019

Hi, I have: NEO4j - 3.4.14 APOC - 3.4.0.7 I see many APOC proc/fun installed but many not. For example. There are missing many from apoc.coll.* like sortNodes Someone knows what happened ? Regards, Cezary

cezarykac · 06-24-2019

Hi, Simple questions NEO 3.4.14 What is difference between: 1. MATCH a OPTIONAL MATCH a->b OPTIONAL MATCH b->c OPTIONAL MATCH b->d RETURN a,b,c,d MATCH a OPTIONAL MATCH a->b, b->c, b->d RETURN a,b,c,d I see difference in result in case a->d returns...

cezarykac · 01-09-2020

Hi Vivek, Thank you  it works! Best, Cezary

cezarykac · 08-23-2019

Hi, I dont know how apoc.periodic.iterate works. For me it looks weird: (return and set) RETURN ndr, ndr.data AS data ',' SET ndr += { maybe ? WITH ndr, ndr.data AS data SET ndr += {

cezarykac · 08-14-2019

Hi Stefan, Thanks ! that payload works

cezarykac · 07-15-2019

ok, it works now. First I add jar to NEO_HOME\plugins now to graph.db\plugins too

cezarykac · 06-24-2019

Thanks I expected this but hoped that there is diff: OPTIONAL MATCH a->b->c OPTIONAL MATCH a->b, b->c

Neo4j

User Statistics

User Activity

Concat attributes as string

APOC trigger for updating node property

Using APOC for update / insert a new property like timestamp

Missing apoc proc after install

Optional match - many clauses

Re: Concat attributes as string

Re: Using APOC for update / insert a new property like timestamp

Re: APOC trigger for updating node property

Re: Missing apoc proc after install

Re: Optional match - many clauses