BTW, You will also need to configure your schema.xml to index [and store?] the rowtype attribute:
<field name="rowtype" type="string" indexed="true" stored="true" required="true" /> Or alternatively change rowtype to be say rowtype_s to take advantage of Solr's dynamic field definitions. > -----Original Message----- > From: Neville Burnell [mailto:[EMAIL PROTECTED] > Sent: Wednesday, 1 October 2008 6:06 PM > To: solr-user@lucene.apache.org > Subject: RE: How to select one entity at a time? > > Hi Con, > > what RDBMS are you using? > > This looks like a SQL syntax problem, perhaps the 'literal as column' > is not right for your setup [while it works for my MS SQL Server]. > > An alternative to supplying the "rowtype" attribute as a literal in the > SQL clause is to use a Solr DIH Template Transformer > http://wiki.apache.org/solr/DataImportHandler#transformer > > This should allow you to keep the working SQL. For example > > <entity name="user" transformer="TemplateTransformer" query="select * > from USER"> > <field column="rowtype" template="user" /> > </entity> > > > > -----Original Message----- > > From: con [mailto:[EMAIL PROTECTED] > > Sent: Wednesday, 1 October 2008 5:48 PM > > To: solr-user@lucene.apache.org > > Subject: RE: How to select one entity at a time? > > > > > > That is exactly what my problem is.:handshake: > > Thanks for you reply. > > > > But I tried your suggestion: > > Updated the data-config.xml as; > > > > <entity name="user" query="select 'user' as rowtype, * from > > USER"></entity> > > <entity name="manager" query="select 'manager' as rowtype, * from > > MANAGERS"></entity> > > > > But when I perform the full import itself, it is throwing exception, > > > > SEVERE: Exception while processing: user document : > > SolrInputDocumnt[{}] > > org.apache.solr.handler.dataimport.DataImportHandlerException: > > Unable to > > execute > > query: select 'user' as rowtype,* from USER Processing Document # > 1 > > ....... > > So, as expected, when I go to search it is giving- undefined field > > rowtype- > > error.!!! > > Do I need to update any other files or fields? > > > > I am happy that it worked for you...:jumping::jumping: > > Looking forward for your reply > > Thanks > > con > > > > > > > > > > Neville Burnell wrote: > > > > > > Hi, > > > > > >> But while performing a search, if I want to search only the data > > from > > >> USER table, how can I acheive it. > > > > > > In my app+solr index, we solved this problem by "tagging" entities > > with a > > > "rowtype" attribute, something like this: > > > > > > <entity name="user" query="select 'user' as rowtype, * from > > > USER"></entity> > > > <entity name="manager" query="select 'manager' as rowtype, * from > > > MANAGERS"></entity> > > > > > > Then your 'users' only query becomes something like: > > > > > > http://localhost:8983/solr/select/?q=(bob AND > > > rowtype:user)&version=2.2&start=0&rows=10&indent=on&wt=json > > > > > > Hope this helps > > > > > > > > > > > >> -----Original Message----- > > >> From: con [mailto:[EMAIL PROTECTED] > > >> Sent: Wednesday, 1 October 2008 4:54 PM > > >> To: solr-user@lucene.apache.org > > >> Subject: Re: How to select one entity at a time? > > >> > > >> > > >> Of course I agree. > > >> But while performing a search, if I want to search only the data > > from > > >> USER > > >> table, how can I acheive it. > > >> > > >> Suppose I have a user name bob in both USER and MANAGER tables. So > > when > > >> I > > >> perform http://localhost:8983/solr/dataimport?command=full-import > , > > all > > >> the > > >> USER and MANAGER values will get indexed. > > >> And when i do a search like, > > >> > > > http://localhost:8983/solr/select/?q=bob&version=2.2&start=0&rows=10&in > > >> dent=on&wt=json > > >> it will return all the values indexed from both USER and MANAGER > > table. > > >> But I want only the data indexed from either USER table or MANAGER > > >> table at > > >> a time based on the end user's choice. How can I achieve it. > > >> > > >> Thanks for your reply > > >> con > > >> > > >> > > >> Noble Paul നോബിള് नोब्ळ् wrote: > > >> > > > >> > The entity and the select query has no relationship > > >> > The entity comes into picture when you do a dataimport > > >> > > > >> > eg: > > >> > http://localhost:8983/solr/dataimport?command=full- > > import&enity=user > > >> > > > >> > This is an indexing operation > > >> > > > >> > On Wed, Oct 1, 2008 at 11:26 AM, con <[EMAIL PROTECTED]> wrote: > > >> >> > > >> >> Hi guys, > > >> >> In the URL, http://localhost:8983/solr/select/?q= > > >> >> XXXX:bob&version=2.2&start=0&rows=10&indent=on&wt=json > > >> >> > > >> >> q=XXXX: applies to a field and not to an entity. So If I have 3 > > >> entities > > >> >> like: > > >> >> > > >> >> <dataConfig> > > >> >> <dataSource **********/> > > >> >> <document> > > >> >> <entity name="user" query="select * from > > >> USER"> > > >> >> </entity> > > >> >> > > >> >> <entity name="manager" query="select * > > from > > >> >> MANAGERS"> > > >> >> </entity> > > >> >> > > >> >> <entity name="both" query="select * from > > >> >> MANAGERS,USER where MANAGERS.userID= USER .userID"> > > >> >> </entity> > > >> >> </document> > > >> >> </dataConfig> > > >> >> > > >> >> I cannot invoke the entity, 'user', just like the above url. i > > went > > >> >> through > > >> >> the possible arguments but didnt found a way to invoke an > entity. > > Is > > >> >> there a > > >> >> way for this purpose. > > >> >> ragards > > >> >> con > > >> >> > > >> >> > > >> >> > > >> >> > > >> >> > > >> >> > > >> >> con wrote: > > >> >>> > > >> >>> Thanks Everybody. > > >> >>> I have went through the wiki and some other docs. Actually I > > have a > > >> >>> tight > > >> >>> schedule and I have to look into various other things along > with > > >> this. > > >> >>> Currently I am looking into rebuilding solr by writing a > wrapper > > >> class. > > >> >>> I will update you with more meaningful questions soon.. > > >> >>> thanks and regards. > > >> >>> con > > >> >>> > > >> >>> > > >> >>> Norberto Meijome-6 wrote: > > >> >>>> > > >> >>>> On Fri, 26 Sep 2008 02:35:18 -0700 (PDT) > > >> >>>> con <[EMAIL PROTECTED]> wrote: > > >> >>>> > > >> >>>>> What you meant is correct only. Please excuse for that I am > > new > > >> to > > >> >>>>> solr. > > >> >>>>> :-( > > >> >>>> > > >> >>>> Con, have a read here : > > >> >>>> > > >> >>>> http://www.ibm.com/developerworks/java/library/j-solr1/ > > >> >>>> > > >> >>>> it helped me pick up the basics a while back. it refers to > 1.2, > > >> but the > > >> >>>> core concepts are relevant to 1.3 too. > > >> >>>> > > >> >>>> b > > >> >>>> _________________________ > > >> >>>> {Beto|Norberto|Numard} Meijome > > >> >>>> > > >> >>>> Hildebrant's Principle: > > >> >>>> If you don't know where you are going, > > >> >>>> any road will get you there. > > >> >>>> > > >> >>>> I speak for myself, not my employer. Contents may be hot. > > Slippery > > >> when > > >> >>>> wet. Reading disclaimers makes you go blind. Writing them is > > >> worse. You > > >> >>>> have been Warned. > > >> >>>> > > >> >>>> > > >> >>> > > >> >>> > > >> >> > > >> >> -- > > >> >> View this message in context: > > >> >> http://www.nabble.com/How-to-select-one-entity-at-a-time-- > > >> tp19668759p19754869.html > > >> >> Sent from the Solr - User mailing list archive at Nabble.com. > > >> >> > > >> >> > > >> > > > >> > > > >> > > > >> > -- > > >> > --Noble Paul > > >> > > > >> > > > >> > > >> -- > > >> View this message in context: http://www.nabble.com/How-to-select- > > one- > > >> entity-at-a-time--tp19668759p19755437.html > > >> Sent from the Solr - User mailing list archive at Nabble.com. > > > > > > > > > > > > > -- > > View this message in context: http://www.nabble.com/How-to-select- > one- > > entity-at-a-time--tp19668759p19755987.html > > Sent from the Solr - User mailing list archive at Nabble.com.
