Neo4j

p_dipietro · 08-11-2021

I'm using Server 4.3.2 and developing using JavaScript on an Ubuntu 20.04 machine. After a system crash, I restarted but the my application server crashed at startup, with the error Cannot find module 'neo4j-driver/lib/graph-types' I look all around ...

p_dipietro · 07-25-2021

I am trying to clean a string read from LOAD CSV using pattern matching. The idea was to use the following query RETURN apoc.text.replace('Aglianico Del Vulture DOC Serpara 2010 Re Manfredi !', '([\s\S]*?)(DOCG|DOP|DOC|IGP|IGT)/mig', '') AS output; ...

p_dipietro · 07-25-2021

I have a lot of nodes which have a name property. The name is something comma separated, because it contains synonyms. So, I decided to try to set the name as a list instead of a single string. a specific query match (n:AppellationNew {uuid: "c38e2d5...

p_dipietro · 07-24-2021

Using Comunity edition 4.3.2 with apoc I have a question that I wasn't able to solve. I am importing some data from a CSV file. In the first round I imported all data that match some business condition. On 900 input lines, I imported 841. But the oth...

p_dipietro · 07-08-2021

Neo4j community edition 4.0.1 Running on Ubunto 20.04.2 LTS The following is the starting part of a cypher query LOAD CSV WITH HEADERS FROM 'file:///xxx.csv' as row FIELDTERMINATOR ';' WITH row, trim(row.Denominazione) as denominazione WHERE row.Den...

p_dipietro · 08-11-2021

Thank you! IsRelationship is also needed! My package.json file contains "neo4j-driver": "^4.3.2", Following the instruction, I run npm install neo4j-driver into my project directory, but I'm not sure that it is the right way. Which is the easiest way...

p_dipietro · 08-11-2021

Hi @abk, I'm writing node. In the article.js file (which cames from a neo4j example) there is an const neo4j = require('../neo4j). Into that neo4j.js file there is a const neo4j=require('neo4j-driver'). Now, I have a neo4j-type-handler.js into the mi...

p_dipietro · 07-26-2021

Thank you, but my problem is that I have different input strings, and must remove all the occurrences of DOCG|DOP|DOC|IGP|IGT case independently!

p_dipietro · 07-25-2021

Hi @Cobra Thank you for your answer. It solved a lot of problems. But what if I want to use pattern matching? Something like MATCH (n:AppellationNew ) WHERE "Asolo" =~ '(?i)' + n.name + '*.' RETURN n Do you think it would be possible'

p_dipietro · 07-25-2021

Hi @tard.gabriel, Yes, you are absolutely correct about NULL. Maybe there was a type in the query in the previous example. So, I try to reformulate the question. I have a set of data coming from a CSV file. The first row match some conditions and the...

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Cannot install 'neo4j-driver/lib/graph-types'

About pattern matching

Synonyms: how to match a list property?

How to get rid of not matching elements

Strange error using cypher with LOAD CSV

Re: Cannot install 'neo4j-driver/lib/graph-types'

Re: Cannot install 'neo4j-driver/lib/graph-types'

Re: About pattern matching

Re: Synonyms: how to match a list property?

Re: How to get rid of not matching elements