BaseX-Talk December 2012

basex-talk@mailman.uni-konstanz.de

33 participants
46 discussions

BaseX and citygml (GML3)
by maalaoui hiba 09 Dec '12

09 Dec '12

hi, I have CityGML file (GML3) I want to save it in a database is that I can save this file BaseX, if yes, then querying the database provides is it possible? thank you for any help Hiba Maalaoui

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python client, issue with adding xml files
by LE MEUR Laurent 09 Dec '12

09 Dec '12

Hi, The python samples pass an simple xml string to create or add: session = BaseXClient.Session('localhost', 1984, 'admin', 'admin') session.create("database", "<x>Hello World!</x>") but how can I request the server to open a file or a directory? Basically session.create("database", "c:/tmp/myfile.xml") returns the following error message: "database.xml" (Line 1): No text allowed before root element. Thanks in advance for tips Laurent Le Meur

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Re: [basex-talk] Use of try/catch in updating function
by Arto Viitanen 07 Dec '12

07 Dec '12

7.12.2012 13:40, Christian Grün kirjoitti: > Hi Arto, > > it’s generally allowed to use try/catch along with updating functions… > As long as both the try and the catch branch contain updating > statements. See the following self-contained, albeit useless, example: > > try { > delete node <a/> > } catch * { > delete node <b/> > } > > How did your query look like? > Christian > > > Thank for your information. My query (I cannot show it, because if is for a customer and it is ~600 lines long) has two parts: check if the parameter (or actually POST -message) is right, i.e. syntax is right and do the update. Since I was not even certain where the problem was, I thought to add try/catch around the whole code to see where it stops. I found that file-module is your friend: add file:append calls around the code and see how the query evaluates. -- Arto Viitanen Microteam Oy Finland

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Re: [basex-talk] xquery JSON support
by Sateesh 04 Dec '12

04 Dec '12

Dear Basex, Could you please update us on the below query. Thanks & Regards Sateesh.A From: Sateesh [mailto:sateesh@intense.in] Sent: Monday, December 03, 2012 8:40 PM To: 'basex-talk(a)mailman.uni-konstanz.de' Subject: xquery JSON support Dear Basex, Iam trying to create collection from json file,While creating the collection for 650 mb json file it is consuming more than 3gb of memory and getting out of memory exception.In case if I split the 650 mb json file into 10mb files and adding those files to collection it is adding but the time required to create the collection is around 6-7 mins.Could you please suggest how to create collection with less memory consumption and with high speed. Also after creating collection tried writing query on collection which contains around 17lakh records the time for query execution is around 3 mins.Attached r the query and sample data.Please suggest is there anything wrong in my query to improve the performance. Thanks & Regards Sateesh.A

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Nova CPE Krazer Sky Station 5GHz N - CPE Antena Integrada de 18dBi e Com Saída para Antena Externa
by Vendas Krazer Technologies 03 Dec '12

03 Dec '12

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xquery JSON support
by Sateesh 03 Dec '12

03 Dec '12

Dear Basex, Iam trying to create collection from json file,While creating the collection for 650 mb json file it is consuming more than 3gb of memory and getting out of memory exception.In case if I split the 650 mb json file into 10mb files and adding those files to collection it is adding but the time required to create the collection is around 6-7 mins.Could you please suggest how to create collection with less memory consumption and with high speed. Also after creating collection tried writing query on collection which contains around 17lakh records the time for query execution is around 3 mins.Attached r the query and sample data.Please suggest is there anything wrong in my query to improve the performance. Thanks & Regards Sateesh.A

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BaseX-Talk December 2012