maria-discuss team mailing list archive

[Rasmus Johansson <rasmus@xxxxxxxxxxx>]

Thank you Olivier! While you're looking at it I could actually report
another problem I noticed. To have multiple files, e.g. running*.xml
with Multiple=1 doesn't seem to work with XML files. Always an empty
result although reading 1 file works perfectly well.

BR,
Rasmus
--

Rasmus Johansson, VP Engineering
MariaDB | t: +358 50 499 9589 | Skype: ratzpo


On Tue, Jan 28, 2014 at 2:27 PM, Olivier Bertrand <bertrandop@xxxxxxxxx> wrote:
> Le 27/01/2014 20:37, Rasmus Johansson a écrit :
>
>> Hi,
>>
>> I'm trying to parse GPX files, which are XML with the connect engine.
>> They look like this:
>>
>> <?xml version="1.0" encoding="UTF-8"?>
>> <gpx version="1.1" creator="runtastic - makes sports funtastic,
>> http://www.runtastic.com";>
>>    <trk>
>>      <trkseg>
>>          <trkpt lon="-0.7057708501815800" lat="51.4470825195312003">
>>                  <ele>76.6089172363281</ele>
>>                  <time>2013-08-12T18:17:25.000Z</time>
>>          </trkpt>
>>          <trkpt lon="-0.7059442996978760" lat="51.4470443725586009">
>>                  <ele>72.1513061523437</ele>
>>                  <time>2013-08-12T18:17:28.000Z</time>
>>          </trkpt>
>>          <trkpt lon="-0.7059520483016970" lat="51.4470558166503977">
>>                  <ele>75.0039749145508</ele>
>>                  <time>2013-08-12T18:17:30.000Z</time>
>>          </trkpt>
>>      </trkseg>
>>    </trk>
>> </gpx>
>>
>> Once I have the Connect -engine enabled I do the following:
>>
>> create table GPXSource (
>>     lat char(20) field_format='@',
>>     lon char(20) field_format='@')
>>     engine=CONNECT table_type=XML
>>
>> file_name='/home/rasmus/nodegpxmariadb/public/uploads/runtastic_20130812_2157_Running.gpx'
>> tabname='gpx/trk/trkseg'
>>     option_list='rownode=trkpt';
>>
>> It doesn't work, I cannot figure out how to tell the Connect engine
>> that the data I'm interested is beneath the gpx/trk/trkseg -node
>> (tabname). If I remove the trk and trkseg -nodes from the data and
>> just have the gpx -node left and all trkpt -nodes inside it everything
>> works perfectly. Any help is appriciated.
>>
>> BR,
>> Rasmus
>>
>> --
>>
>> Rasmus Johansson, VP Engineering
>> MariaDB | t: +358 50 499 9589 | Skype: ratzpo
>
> Thank you for reporting this. It is a bug coming from XML table still
> looking for the deprecaed option 'table_name'
> instead of 'tabname'. It now fixed in the future CONNECT versions.
>
> Meanwhile, you can do one of the following:
>
> 1) Using table_name instead of tabname. This is not a declared option and
> therefore must be used in the table list:
>
>
> create table GPXSource (
>    lat char(20) field_format='@',
>    lon char(20) field_format='@')
>    engine=CONNECT table_type=XML
> file_name='/home/rasmus/nodegpxmariadb/public/uploads/runtastic_20130812_2157_Running.gpx'
>    option_list='table_name=trkseg,rownode=trkpt';
>
> Note 1: 'gpx/trk/trkseg' was wrong, gpx not being the top node of the file.
> '/gpx/trk/trkseg' or '//gpx/trk/trkseg'
> could have been used but it is easier to just say 'trkseg' internally
> transformed by CONNECT in '//trkseg'.
>
> Note 2: 'rownode=trkpt' is not required, the row nodes being by default the
> table node children.
>
> 2) The table node being by default the name of the table, you can
> alternatively do something like:
>
> create table trkseg (
>    lat double(20,16) field_format='@',
>    lon double(20,16) field_format='@',
>    ele double(17,13),
>    time datetime date_format="YYYY-MM-DD 'T' hh:mm:ss '.000Z'")
>    engine=CONNECT table_type=XML
> file_name='/home/rasmus/nodegpxmariadb/public/uploads/runtastic_20130812_2157_Running.gpx';
>
> calling your table by the table node name.
>
> Olivier
>
>