Neo4j

mithun_das · 09-03-2020

Hi I am using 4.0.X I hv installed neo4j as docker container, I am using it for last 1 year... but recently I hv a procedure where i need to call a neo4j create query evey 1 sec... and after that I am regular facing the below error.. Neo4jError: Fai...

mithun_das · 05-09-2020

I have a situation here i hv created MERGE (socketType)-[:SOCKET_OF_LEVEL]->(level) MERGE (socketType)-[:SOCKET_OF_POWER]->(maxPowerKW) Above A level can hv multiple socketTypes and each socketTypes can have a single or multiple maxPowerKW Now I did...

mithun_das · 04-26-2020

I have a relationship like following (country)<-[:REGION_OF]-(region)<-[:CITY_OF]-(city) AND (country)<-[:CITY_OF]-(city) Now i use the following query to get the all the city and country which have or does not have a relationship with country. (cou...

mithun_das · 03-31-2020

I am struggling with a query... I hv a simple query. I use Neo4j 4.0 MATCH (s:Station)-[:LOCATED_AT]->(l:Location) WHERE distance(l.coord, point({ latitude: $latitude}, longitude: $longitude}})) < $distanceInMeter please ignore any syntactical mista...

mithun_das · 03-04-2020

I have two labels Searchable and Unsearchable on one of my node... Right now I have only Searchable nodes... So wanted to get counts of Unsearchable and assume that I will get 0. So my query was optional match (c:Country) return count(c) as coun...

mithun_das · 10-06-2020

I went with the datetime data type. Here is a sample query -> basically a part of the whole query where i do a weekly timeseries. I think the piece of code will give you a good idea. WITH s, s.createdAt.dayOfWeek AS dayOfWeek, toFloat(duration.inSeco...

mithun_das · 08-10-2020

great i will try this out today... and many thanks for finding the time to answer,....

mithun_das · 08-10-2020

Hi sir, I am new to this, your answer helped me... I hv a couple of questions. so i hv a workflow like -> MATCH x where x.a=1 CREATE (x)-[has]->(y) SET x.b = y.c here do I hv to the break the workflow into READ and WRITE? But if i do that... how w...

mithun_das · 08-10-2020

Thank you for the link.

mithun_das · 05-09-2020

I used the following solution for above MERGE (socketType)-[:SOCKET_OF_LEVEL]->(level) MERGE (socketType)-[:SOCKET_OF_POWER]->(maxPowerKW) CREATE (station)-[:HAS_OUTLET]->(outlet) CREATE (outlet)-[:HAS_SOCKET]->(socketType) CREATE (outlet)-[:HAS_POW...

Neo4j

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Connection breaks after long use of Neo4j DB

Multiple relationship path problem

Complex Match Statement

Complex Spatial Aggregation

Aggregation on non existant label

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Re: Difference between session.run and session.readTransaction or session.writeTransaction

Re: What is the difference between the 'Spatial' built into Neo4j and the community spatial plugin?

Re: Multiple relationship path problem