On Wed, Jan 15, 2014 at 10:26 PM, PSwamy <preethi(a)comdata.com> wrote:
  Well, I tried something using Xwiki Query Manager.
Code below -
 {{velocity}}
 #set($resultDocuments = $services.query.xwql("from
 doc.object(Blog.BlogPostClass) as blog where blog.published = '1' and
 :category member of blog.category and blog.hidden = '0' and doc.web =
 'Blog'").execute())
 #foreach($resultDocument in $resultDocuments)
 $resultDocument
 #end
 {{/velocity}}
 I get this below error. What is programming right and how do I enable this
 right? 
I don't get this error. I get another one, because you didn't bind the
parameter value. So adding
.bindValue('category', 'Blog.News')
before executing the query fixes the problem for me. See
http://extensions.xwiki.org/xwiki/bin/view/Extension/Query+Module#HXWiki-sp…
for what a short form query is. As for what Programming Right is, it
controls whether users can use protected APIs & Groovy code in wiki
pages.
Hope this helps,
Marius
 Caused by: org.xwiki.query.QueryException: Full form statements requires
 programming right. Query statement = [select doc.fullName where from
 doc.object(Blog.BlogPostClass) as blog where blog.published = '1' and
 :category member of blog.category and blog.hidden = '0' and doc.web =
 'Blog'] at
org.xwiki.query.internal.SecureQueryExecutorManager.execute(SecureQueryExecutorManager.java:88)
 at org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:248) at
 org.xwiki.query.internal.ScriptQuery.execute(ScriptQuery.java:236)
 --
 View this message in context:
http://xwiki.475771.n2.nabble.com/Display-Blog-of-specific-Category-on-Main…
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