sorry
LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/LOCATED_IN.csv" AS c
WITH c
LIMIT 100
MATCH (client: Client { Id: toInt(c.Id)}), (city: City { Id: toInt(c.CityId)})
Return count(*)
Am 18.06.2014 um 11:44 schrieb Paul Damian <[email protected]>:
> I cannot run this command. It returns invalid syntax. Only way I could run
> it was
>
> LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/LOCATED_IN.csv" AS c
> MATCH (client: Client { Id: toInt(c.Id)}), (city: City { Id:
> toInt(c.CityId)})
> Return count(*) Limit 100
>
> Also, I think a skype call would be great.
>
> marți, 17 iunie 2014, 21:36:05 UTC+3, Michael Hunger a scris:
> The something is really wrong.
>
> What happens if you do
>
>>>>>>
>>>>>> LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/LOCATED_IN.csv"
>>>>>> AS c
> Limit 100
>>>>>> MATCH (client: Client { Id: toInt(c.Id)}), (city: City { Id:
>>>>>> toInt(c.CityId)})
> Return count(*)
>
> I'm at a conference in Amsterdam this week
> but perhaps we can do a skype call next week?
>
> Michael
>
>
>
> Sent from mobile device
>
> Am 17.06.2014 um 18:48 schrieb Paul Damian <[email protected]>:
>
>> Yes, I do. I keep getting Java heap space error now. I'm using 100 commit
>> size.
>>
>> marți, 17 iunie 2014, 19:28:05 UTC+3, Michael Hunger a scris:
>> Ok, cool and you have the indexes for both :City(Id) and :Client(Id) ?
>>
>>
>> Michael
>>
>> Am 17.06.2014 um 18:15 schrieb Paul Damian <[email protected]>:
>>
>>> The first query returns 999996 which is the number of rows in the file and
>>> the second one returns Neo.DatabaseError.Statement.ExecutionFailure
>>> probably because of the null values. But then I run the following command:
>>> LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/LOCATED_IN.csv" AS c
>>> MATCH (city:City { Id: toInt(c.CityId)})
>>> WHERE coalesce(c.CityId,"") <> ""
>>> RETURN count(*)
>>>
>>> and I get 992980
>>>
>>>
>>> marți, 17 iunie 2014, 17:55:56 UTC+3, Michael Hunger a scris:
>>> No you can just filter out the lines with no cityid
>>>
>>> Did you run my suggested commands?
>>>
>>>>>> LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/LOCATED_IN.csv"
>>>>>> AS c
>>>>>> MATCH (client: Client { Id: toInt(c.Id)})
>>>>> RETURN count(*)
>>>>>
>>>>>> LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/LOCATED_IN.csv"
>>>>>> AS c
>>>>>> MATCH (city: City { Id: toInt(c.CityId)})
>>>>> RETURN count(*)
>>>
>>>>
>>>
>>>>>> LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/LOCATED_IN.csv"
>>>>>> AS c
>>> return c
>>> limit 10
>>>
>>>>>
>>>
>>> Am 17.06.2014 um 16:37 schrieb Paul Damian <[email protected]>:
>>>
>>>> in the file I only have 2 columns, one for client id, which is always not
>>>> null and CityId, which may be sometimes null. Should I export the records
>>>> from SQL database leaving out the columns that contain null values?
>>>>
>>>> marți, 17 iunie 2014, 15:39:14 UTC+3, Michael Hunger a scris:
>>>> if they don't have a value for city id, do they then have empty columns
>>>> there still? like "user-id,,
>>>>
>>>> You probably want to filter these rows?
>>>>
>>>>>> LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/LOCATED_IN.csv"
>>>>>> AS c
>>>> WHERE coalesce(c.CitiId,"") <> ""
>>>> ...
>>>>
>>>> Am 17.06.2014 um 11:23 schrieb Paul Damian <[email protected]>:
>>>>
>>>>> Well, the csv file contains some rows that do not have a value for
>>>>> CityId, and the rows are unique regarding the clientID. There are 11M
>>>>> clients living in 14K Cities. Is there a limit of links/node?
>>>>> Now I've created a piece of code that reads from file and creates each
>>>>> relationship, but, as you can imagine, it works really slow in this
>>>>> scenario.
>>>>>
>>>>> did you create an index on :Client(Id) and :City(Id)
>>>>>
>>>>> what happens if you do:
>>>>>
>>>>>> LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/LOCATED_IN.csv"
>>>>>> AS c
>>>>>> MATCH (client: Client { Id: toInt(c.Id)})
>>>>> RETURN count(*)
>>>>>
>>>>>> LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/LOCATED_IN.csv"
>>>>>> AS c
>>>>>> MATCH (city: City { Id: toInt(c.CityId)})
>>>>> RETURN count(*)
>>>>>
>>>>> each count should be equivalent to the # of rows in the file.
>>>>>
>>>>> Michael
>>>>>
>>>>> Am 16.06.2014 um 17:47 schrieb Paul Damian <[email protected]>:
>>>>>
>>>>>> Somehow I've managed to load all the nodes and now I'm trying to load
>>>>>> the links as well. I read the nodes from csv file and create the
>>>>>> relation between them. I run the following command:
>>>>>> USING PERIODIC COMMIT 100
>>>>>> LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/LOCATED_IN.csv"
>>>>>> AS c
>>>>>> MATCH (client: Client { Id: toInt(c.Id)}), (city: City { Id:
>>>>>> toInt(c.CityId)})
>>>>>> CREATE (client)-[r:LOCATED_IN]->(city)
>>>>>>
>>>>>> Running with a smaller commit size returns this error
>>>>>> Neo.DatabaseError.Statement.ExecutionFailure, while increasing the
>>>>>> commit size to 10000 throws Neo.DatabaseError.General.UnknownFailure.
>>>>>> Can you help me with this?
>>>>>>
>>>>>>
>>>>>> joi, 5 iunie 2014, 12:05:18 UTC+3, Michael Hunger a scris:
>>>>>> Perhaps something with field or line terminators?
>>>>>>
>>>>>> I assume it blows up the field separation.
>>>>>>
>>>>>> Try to run:
>>>>>>
>>>>>> LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/Client.csv" AS c
>>>>>> RETURN { Id: toInt(c.Id), FirstName: c.FirstName, LastName: c.Lastname,
>>>>>> Address: c.Address, ZipCode: toInt(c.ZipCode), Email: c.Email, Phone:
>>>>>> c.Phone, Fax: c.Fax, BusinessName: c.BusinessName, URL: c.URL, Latitude:
>>>>>> toFloat(c.Latitude), Longitude: toFloat(c.Longitude), AgencyId:
>>>>>> toInt(c.AgencyId), RowStatus: toInt(c.RowStatus)} as data, c as line
>>>>>> LIMIT 3
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Thu, Jun 5, 2014 at 10:51 AM, Paul Damian <[email protected]> wrote:
>>>>>> I've tried using the shell and I get the same results: nodes with no
>>>>>> properties.
>>>>>> I've created the csv file using MsSQL Server Export. Is it relevant?
>>>>>>
>>>>>> About you curiosity: I figured I would import first the nodes, then the
>>>>>> relationships from the connection tables. Am I doing it wrong?
>>>>>>
>>>>>> Thanks
>>>>>>
>>>>>> joi, 5 iunie 2014, 09:54:31 UTC+3, Michael Hunger a scris:
>>>>>> I'd probably use a commit size in your case of 50k or 100k.
>>>>>>
>>>>>> Try to use the neo4j-shell and not the web-interface.
>>>>>>
>>>>>> Connect to neo4j using bin/neo4j-shell
>>>>>>
>>>>>> Then run your commands ending with a semicolon.
>>>>>>
>>>>>> Just curious: Your data is imported as one node per row? That's not
>>>>>> really a graph structure.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Wed, Jun 4, 2014 at 6:56 PM, Paul Damian <[email protected]> wrote:
>>>>>> Hi there,
>>>>>>
>>>>>> I'm experimenting with Neo4j while benchmarking a bunch of NoSQL
>>>>>> databases for my graduation paper.
>>>>>> I'm using the web interface to populate the database. I've been able to
>>>>>> load the smaller tables from my SQL database and LOAD CSV works fine.
>>>>>> By small, I mean a few columns (4-5) and some rows (1 million). However,
>>>>>> when I try to upload a larger table (15 columns, 12 million rows), it
>>>>>> creates the nodes but it doesn't set any properties.
>>>>>> I've tried to reduce the number of records (to 100) and also the number
>>>>>> of columns( just the Id property ), but no luck so far.
>>>>>>
>>>>>> The cypher command used is this one
>>>>>> USING PERIODIC COMMIT 100
>>>>>> LOAD CSV WITH HEADERS FROM "file:/Users/pauld/Documents/Client.csv" AS c
>>>>>> CREATE (:Client { Id: toInt(c.Id), FirstName: c.FirstName, LastName:
>>>>>> c.Lastname, Address: c.Address, ZipCode: toInt(c.ZipCode), Email:
>>>>>> c.Email, Phone: c.Phone, Fax: c.Fax, BusinessName: c.BusinessName, URL:
>>>>>> c.URL, Latitude: toFloat(c.Latitude), Longitude: toFloat(c.Longitude),
>>>>>> AgencyId: toInt(c.AgencyId), RowStatus: toInt(c.RowStatus)})
>>>>>>
>>>>>> Any help and indication is welcomed,
>>>>>> Paul
>>>>>>
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>>>>>
>>>>>
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