duplicates - XPath selecting distinct on two atributes -
<data> <series manufacture="not known" instrument-group="equipment" instrument="birthing pools" series="" model="" product="" comments="request danielle"/> <series manufacture="accutome (us)" instrument-group="ophthalmic ultrasound probe" instrument="ultrasound ophthalmic devices/portable pachimetry devices" series="" model="" product="duo ultrasound" comments="compatibility testing being discussed adam pickholtz 11/03/2016"/> <series manufacture="advanced tactile imaging, inc." instrument-group="ultrasound probe" instrument="ultrasound transvaginal transducers" series="" model="" product="trio system" comments="hhase 1 completed successfully. ati send functional probes start phase 2 - 27/01/16"/> <series manufacture="aircraft medical" instrument-group="laryngoscope" instrument="video laryngoscope" series="mcgrath® series 5/series 5 hldi" model="mcgrath® series 5/series 5 hldi" product="duo ultrasound" comments=""/> <series manufacture="alpinion medical" instrument-group="ultrasound probe" instrument="abdominal transducer, pediatric" series="" model="c1-6, c1-6t, c1-6i, c5-8, c5-8n, c5-8nt" product="duo ultrasound" comments="03.11.15: established contact, got positive feedback, mat. comp. tests matter them, done within 2-3 months in hq korea; 3.3.16: report expected mid-march"/> <series manufacture="alpinion medical" instrument-group="laryngoscope" instrument="cardiac pencil type transducer" series="" model="cw2.0, cw5.0" product="duo ultrasound" comments=""/> <series manufacture="alpinion medical" instrument-group="ultrasound probe" instrument="endocavity transducers gynaecology, urology, fetal echo" series="" model="e3-10, e3-10h, ec3-10, ec3-10h, ec3-10t, ec3-10x, en3-10, ev3-10, ev3-10h, ev3-10t, ev3-10x" product="duo ultrasound" comments=""/> i have data , want product list 1 record each of instrument-groups of particular manufacture if select 'alpion medical' returns:
'ultrasound probe' 'laryngoscope'
i have far
/data/series[@manufacture='alpinion medical'] but multiple records of 'ultrasound probe'
with further 'play' tried:
/data/series[@manufacture='alpinion medical']/@instrument-group i need de-dup resultset
if try
/data/series[@manufacture='alpinion medical' , not(@instrument-group= preceding-sibling::series/@instrument-group)]/@instrument-group i 0 records :(
any ideas?
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