Thank you very much. All is working now. Fun fact. In last two things i tried to use i encountered with bugs. Previous was in Cork (plugin for Bottle python web-framework). There was bug with threads and SQLite instances. Maybe my destiny is to be a tester? LOL
Thanx again... среда, 21 мая 2014 г., 18:32:40 UTC+4 пользователь Nigel Small написал: > > Michael's guess is correct, there is a bug in the *Session.execute*method: > > > https://github.com/nigelsmall/py2neo/blob/feature/bindable/py2neo/cypher.py#L153 > > Here, the call should be made to *commit* instead of *execute*. > > I suggest that you use the longer form of *append* and *commit* until > this bug is fixed. Examples can be seen on this page: > > http://book.py2neo.org/en/latest/cypher/ > > Nigel > > > On 21 May 2014 14:15, Александр Богданов <lanakr...@gmail.com<javascript:> > > wrote: > >> I'm sorry, but I cant understand what logs you mean? >> It's web application. >> In neo4j folder i can't see any requests log. Where to find it? o-o >> >> Thank you. >> >> среда, 21 мая 2014 г., 16:22:31 UTC+4 пользователь Michael Hunger написал: >>> >>> Not sure how py2neo does it internally with these statements, but I >>> think you still have to commit your query. >>> >>> According to the docs it commits immediately, but perhaps there is a >>> bug, so that the node goes away after tx-timeout? >>> >>> Could you produce an http log of the http requests between your python >>> client and the server including responses and http requests and response >>> headers? >>> >>> Thanks >>> >>> >>> >>> >>> On Wed, May 21, 2014 at 1:59 PM, Александр Богданов <lanakr...@gmail.com >>> > wrote: >>> >>>> Dump! >>>> >>>> All is really stopped without correct working of this... QQ >>>> >>>> понедельник, 19 мая 2014 г., 21:48:43 UTC+4 пользователь Александр >>>> Богданов написал: >>>> >>>>> Sure it's local. >>>>> >>>>> look what happen: >>>>> >>>>> 1. graph before query: http://i.gyazo.com/85df >>>>> bc3152117cd50334085b9b9254b5.png >>>>> 2. running example script: http://i.gyazo.com/034 >>>>> 27e0161a3168cbc62915ab1d5ffb9.png >>>>> 3. graph after query (new node selected. can see that it is not >>>>> correct): http://i.gyazo.com/84c62a9a39eca3e7d3dec3fe5dd623ff.png >>>>> >>>>> after several minutes "gray" node disappear >>>>> >>>>> понедельник, 19 мая 2014 г., 21:01:42 UTC+4 пользователь Nigel Small >>>>> написал: >>>>>> >>>>>> Bear in mind that the identifier 'n' is local to that query only and >>>>>> will not automagically find the node called 'n' in the previous create >>>>>> statement. You will need to match by ID or some other indexed criteria. >>>>>> On 19 May 2014 17:10, "Александр Богданов" <lanakr...@gmail.com> >>>>>> wrote: >>>>>> >>>>>>> I tried with RETURN. It returns Node. Correct node. But no node in >>>>>>> database. >>>>>>> Interesting fact. When I trying to find this node using browser *MATCH >>>>>>> n WHERE ID(n)=11880* (id from return) it finds one node. But node >>>>>>> is without any property or label and colored lightgrey. But no such >>>>>>> node in >>>>>>> answer on *MATCH n RETURN n. *And after restarting Neo4j even >>>>>>> looking with ID unsuccessful. >>>>>>> >>>>>>> понедельник, 19 мая 2014 г., 19:55:15 UTC+4 пользователь Nigel Small >>>>>>> написал: >>>>>>>> >>>>>>>> You won't see any return values from your Cypher unless you include >>>>>>>> a "RETURN n" clause at the end of your statement. This is probably >>>>>>>> your >>>>>>>> problem here. >>>>>>>> >>>>>>>> On a side note, I'd strongly advise again that you do not use % >>>>>>>> substitution and use Cypher parameters instead. You will hit problems >>>>>>>> with >>>>>>>> unescaped characters at some point otherwise. >>>>>>>> >>>>>>>> Nige >>>>>>>> >>>>>>>> >>>>>>>> On 19 May 2014 16:45, Александр Богданов <lanakr...@gmail.com>wrote: >>>>>>>> >>>>>>>>> *query("CREATE (n:person {name:'%s', nickname:'%s', md5:'%s'})" % >>>>>>>>> (name, nickname, hashlib.md5(password).hexdigest()))* >>>>>>>>> >>>>>>>>> query() definition: >>>>>>>>> >>>>>>>>> *class CypherQuery:* >>>>>>>>> * def __init__(self, service):* >>>>>>>>> * self.session = cypher.Session(service)* >>>>>>>>> * def cypher_q(self, input, count=1):* >>>>>>>>> * if count == 1:* >>>>>>>>> * return [x.values[0] for x in >>>>>>>>> self.session.execute(input)]* >>>>>>>>> * else:* >>>>>>>>> * return [x.values for x in >>>>>>>>> self.session.execute(input)] * >>>>>>>>> >>>>>>>>> *CQ = CypherQuery('http://localhost:7474 <http://localhost:7474>')* >>>>>>>>> *query = CQ.cypher_q* >>>>>>>>> >>>>>>>>> >>>>>>>>> понедельник, 19 мая 2014 г., 18:26:55 UTC+4 пользователь Nigel >>>>>>>>> Small написал: >>>>>>>>>> >>>>>>>>>> Could you post a section of Python code that includes a CREATE >>>>>>>>>> statement that fails for you? >>>>>>>>>> >>>>>>>>>> Incidentally, you would be better off using Cypher parameters >>>>>>>>>> (passed in the *execute* method) than the Python level % >>>>>>>>>> substitution you have here. This will improve both performance and >>>>>>>>>> reliability with "odd" characters. On this subject, do your >>>>>>>>>> properties >>>>>>>>>> contain ' marks? This could be breaking the query. >>>>>>>>>> >>>>>>>>>> Nige >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On 19 May 2014 15:04, Александр Богданов <lanakr...@gmail.com>wrote: >>>>>>>>>> >>>>>>>>>>> *CREATE (n:person {name:'%s', nickname:'%s', md5:'%s'})* >>>>>>>>>>> %s - strings >>>>>>>>>>> >>>>>>>>>>> воскресенье, 18 мая 2014 г., 15:39:45 UTC+4 пользователь Michael >>>>>>>>>>> Hunger написал: >>>>>>>>>>>> >>>>>>>>>>>> Can you show your delete and create statements? >>>>>>>>>>>> >>>>>>>>>>>> You should probably also use parameters for your id *WHERE >>>>>>>>>>>> ID(p)={id}* >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> On Sat, May 17, 2014 at 3:31 PM, Александр Богданов < >>>>>>>>>>>> lanakr...@gmail.com> wrote: >>>>>>>>>>>> >>>>>>>>>>>>> Hello. >>>>>>>>>>>>> >>>>>>>>>>>>> Problems with writing to database from python script. >>>>>>>>>>>>> >>>>>>>>>>>>> Opening session: >>>>>>>>>>>>> *self.session = cypher.Session(http://localhost:7474 >>>>>>>>>>>>> <http://localhost:7474>)* >>>>>>>>>>>>> >>>>>>>>>>>>> query like this: >>>>>>>>>>>>> *self.session.execute("MATCH (p:person)-[:has_a_role]-(role) >>>>>>>>>>>>> WHERE ID(p)=%d RETURN role.role") * >>>>>>>>>>>>> working well. I receiving all information i need. >>>>>>>>>>>>> >>>>>>>>>>>>> but if i trying to create node or delete it doesnt work. >>>>>>>>>>>>> no errors >>>>>>>>>>>>> even correct node in return of execute() function if i trying >>>>>>>>>>>>> to create it. but no such node in response on query like >>>>>>>>>>>>> *self.session.execute("MATCH >>>>>>>>>>>>> (n) RETURN n")* >>>>>>>>>>>>> and in http://127.0.0.1:7474/browser/ no such node too. but >>>>>>>>>>>>> if i trying in browser - it creates. >>>>>>>>>>>>> >>>>>>>>>>>>> something with configuration? why can't i correctly use >>>>>>>>>>>>> write-queries with *py2neo.cypher.Session.execute()* ? >>>>>>>>>>>>> >>>>>>>>>>>>> PS: Sorry for my english and thank you. >>>>>>>>>>>>> >>>>>>>>>>>>> -- >>>>>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>>>>> Google Groups "Neo4j" group. >>>>>>>>>>>>> To unsubscribe from this group and stop receiving emails from >>>>>>>>>>>>> it, send an email to neo4j+un...@googlegroups.com. >>>>>>>>>>>>> >>>>>>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> -- >>>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>>> Google Groups "Neo4j" group. >>>>>>>>>>> To unsubscribe from this group and stop receiving emails from >>>>>>>>>>> it, send an email to neo4j+un...@googlegroups.com. >>>>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>> You received this message because you are subscribed to the Google >>>>>>>>> Groups "Neo4j" group. >>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>> send an email to neo4j+un...@googlegroups.com. >>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "Neo4j" group. >>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>> send an email to neo4j+un...@googlegroups.com. >>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>> >>>>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Neo4j" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to neo4j+un...@googlegroups.com. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "Neo4j" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to neo4j+un...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "Neo4j" group. 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