I confirm: XWiki "is kind of magic":
I read this example:
http://xwiki.markmail.org/message/e2mi4odgpucsd3cu
#set ($hql ="select distinct doc.fullName, otherprop.value, doc.creationDate from
XWikiDocument as doc, BaseObject as obj, StringProperty otherprop, DBStringListProperty as
prop join prop.list list
 where obj.name=doc.fullName  and obj.className='Blog.BlogPostClass' and
obj.id=prop.id.id and prop.id.name='category' and list='Blog.Autres'
 and obj.id=otherprop.id.id and otherprop.id.name='title'
 order by doc.creationDate  desc")
(must try with category property now)
--------------------------------------------
En date de : Mer 4.11.15, Pascal BASTIEN <pbasnews-xwiki(a)yahoo.fr> a écrit :
 Objet: Re: [xwiki-users] Need help to find a hql query
 À: "Marius Dumitru Florea" <mariusdumitru.florea(a)xwiki.com>om>, "XWiki
Users" <users(a)xwiki.org>
 Date: Mercredi 4 novembre 2015, 8h54
 I updated doc here too:
http://platform.xwiki.org/xwiki/bin/view/DevGuide/velocityHqlExamples#HGett…
 Anyway last question about
 this query: is it possible to have doc info AND doc xwiki
 object class property value?
 Here field I want, if I use same query to
 select blog post of 'Blog.News' category,
 select distinct doc.fullName,
 doc.creationDate,
 Property.name.publishDate.value,
 Property.name.extract.value
 from XWikiDocument as doc, BaseObject as obj,
 DBStringListProperty as prop join prop.list list
 where obj.name=doc.fullName  and
 obj.className='Blog.BlogPostClass' and
 obj.id=prop.id.id
 and
 prop.id.name='category' and
 list='Blog.News'
 order by
 doc.creationDate  desc
 or
 I must use a loop over properties after query on each query
 result (doc.fullname)?
 thxs
 --------------------------------------------
 En date de : Mar 3.11.15, Pascal BASTIEN
 <pbasnews-xwiki(a)yahoo.fr>
 a écrit :
  Objet: Re:
 [xwiki-users] Need help to find a hql query
 À: "Marius Dumitru Florea" <mariusdumitru.florea(a)xwiki.com>om>,
 "XWiki Users" <users(a)xwiki.org>
  Date: Mardi 3 novembre 2015, 12h00
  Yes thxs (gdelhumeau
  helped me on irc).
   => I
 update doc: 
http://extensions.xwiki.org/xwiki/bin/view/Extension/Query+Module
  I used wrong value like you found too :-)
 --------------------------------------------
  En date de : Mar 3.11.15, Marius Dumitru
  Florea <mariusdumitru.florea(a)xwiki.com>
  a écrit :
   Objet: Re:
  [xwiki-users]
 Need help to find a hql query
  À: "Pascal BASTIEN" <pbasnews-xwiki(a)yahoo.fr>
   Date: Mardi 3 novembre 2015, 11h01
  
   On Mon,
   Nov
  2, 2015 at 5:15 PM,
 Pascal BASTIEN <pbasnews-xwiki(a)yahoo.fr>
   wrote:
   I didn't
 manage
  to
   use blog
 example on xwiki 7.0.1
  
  
  
   (I
 replace 'XWiki.ArticleClass'
 by 
   'Blog.BlogPostClass' : we
 must
  fix doc if it is
  
 ok)
  
   The query example
 don't work (or maybe I
  don't
 know
   how to use it ;-) )
  
    select distinct
   doc.fullName, doc.creationDate from
  XWikiDocument as doc,
  
 BaseObject as obj,
  DBStringListProperty as
 prop join
   prop.list
  list
 where obj.name=doc.fullName and
  obj.className='Blog.BlogPostClass'
 and
  obj.id=prop.id.id and
 prop.id.name='category' 
   and
 list='${category}' order by
 doc.creationDate
   desc
  
   This works fine for me:
  
   select distinct
 doc.fullName,
 doc.creationDate from XWikiDocument as doc, BaseObject as
   obj, DBStringListProperty as prop join
  prop.list list where
  
 obj.name=doc.fullName
  and
  obj.className='Blog.BlogPostClass'
 and
  obj.id=prop.id.id and
 prop.id.name='category'
   and
 list='Blog.News' order by
 doc.creationDate
   desc
  
   You
   probably
 don't have
  the right value in
 $category.
  
   Hope this
 helps,
   Marius
    
  
  
   If I
 remove category parameter
  
  
  
   #set
 ($query ="select distinct
 doc.fullName,
   doc.creationDate from
  XWikiDocument as doc, BaseObject as
   obj,
  DBStringListProperty
 as prop join prop.list list where
  
 obj.name=doc.fullName and
 obj.className='Blog.BlogPostClass' order by
   doc.creationDate desc")
  
  
   the
 query return all doc with blog class
  
  
  
  
  
  
  
 --------------------------------------------
  
   En date de : Lun
 2.11.15,
  Marius Dumitru Florea <mariusdumitru.florea(a)xwiki.com>
   a écrit :
  
  
    Objet: Re:
  [xwiki-users]
 Need help to find a hql query
    À: "Pascal
 BASTIEN" <pbasnews-xwiki(a)yahoo.fr>fr>,
   "XWiki Users" <users(a)xwiki.org>
  
    Date: Lundi 2
 novembre
  2015, 13h47
  
  
  
    On
 Mon,
  
  Nov 2, 2015 at 1:00 PM, Pascal BASTIEN
 <pbasnews-xwiki(a)yahoo.fr>
  
    wrote:
  
  Hello,
  
  
  
  
  
  
  
    I
 have a xwiki doc class with some
 properties: 
   'Static
  
  List' type and 'Page'
 (multiselect) type.
  
  
  
    I try to write a
 query to
  retrieve document in one
   query
  
  
  shot but I encoutered
  problem with
 'Page' type.
  
  
  
    This
  query working well based on
http://platform.xwiki.org/xwiki/bin/view/DevGuide/velocityHqlExamples#HGett…
  
  
  
  
  
  
  
    select distinct
  doc.name,
  
   doc.creationDate from XWikiDocument as
 doc, BaseObject
   as
  
    obj,
  StringProperty prop
 where (doc.fullName=obj.name and
  
  obj.className='FormSMQ.ACClass' and
  
  doc.space='FormSMQ' and doc.hidden=false  and
  prop.id.id=obj.id
  
    and
 prop.name='P1_Processus'
  
    and prop.value='M3') order by
  doc.creationDate
  
   desc
  
  
  
  
  
  
    'P1_Processus'
 is
  a static list type
  
  
  
  
  
  
  
    But this
  query
 doesn't work:
  
  
  
   select distinct
  doc.name,
   doc.creationDate from
  
    XWikiDocument as doc,
 BaseObject as obj, StringProperty
   prop
  
    where
 (doc.fullName=obj.name and
  
    obj.className='FormSMQ.ACClass'
  and
  
   doc.space='FormSMQ' and
 doc.hidden=false  and
  prop.id.id=obj.id
  
    and
 prop.name='MY_PAGE_TYPE_PROPERTY_NAME'
  
    and
 prop.value='MYVALUE') order by
  doc.creationDate
  
   desc
  
  
    I suppose the 'P1_Processus'
  
    property has single
  selection, which means
  
   'prop.value' is a
 string and thus you can write
  
  "prop.value='M3'". If the Page type
  
    property is
 multiple
  select then it's value is a
   list.
  
  
  You should check the
  
  
  
  
  "List all blog posts, published and
 not
  
    hidden (filter
 by
  multiple properties of an
   object)"
  
  
  
  
  example from
http://extensions.xwiki.org/xwiki/bin/view/Extension/Query+Module#HQueryLan…
  
    . Look for :
  
  
  
    :category member of blog.category (in
  
    the XWQL version)
  
  
  
    DBStringListProperty as categoryProp
  
    join
 categoryProp.list
  list (in the HQL
 version)
  
    
  
  
  Hope this
  helps,
  
    Marius
  
  
  
  
  
  
  
  
  
  
  Ididn't find some
 "PageProperty" in
https://github.com/xwiki/xwiki-platform/blob/master/xwiki-platform-core/xwi…,
  
    then I must use
  DBStringListProperty ?
  
  
  
  
  
  
    Any help
  will be welcome.
  
  
  
  
  
  
  
    Pascal
  B
  
  
  
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