[Xapian-discuss] combining databases for omega

[James Aylett]

The DB= bit is omega's support for multiple databases -- one at a time. As Jim points out a stub database should do you for that. 

J

On 30 Dec 2012, at 18:12, Jim Lynch <jim at fayettedigital.com> wrote:

> On 12/30/2012 12:39 PM, Chris Purves wrote:
>> From the documentation I've read, omega can read from multiple databases, but I'm not sure how to go about this.
>> 
>> I have three databases created using omindex, currently located at /var/lib/xapian-omega/data/share, /var/lib/xapian-omega/data/users, and /var/lib/xapiax-omega/data/management
>> 
>> The quickstart guide says that in omega.conf database_dir should point to the directory containing my database(s), but if I set it to /var/lib/xapian-omega/data it only looks for the default directory.
>> 
>> Can I configure omega to search multiple databases or should I use something like xapian-compact to merge the three into one?
>> 
>> 
> One way to do this is with a stub database.  This example is stolen from an email asking for help.
> 
> Databases:
> /var/lib/xapian-omega/data/db1
> /var/lib/xapian-omega/data/db2
> /var/lib/xapian-omega/data/db3
> 
> Stub:
> /var/lib/xapian-omega/data/default
> 
> The stub file "default" is a text file that contains the following:
> auto /var/lib/xapian-omega/data/db1
> auto /var/lib/xapian-omega/data/db2
> auto /var/lib/xapian-omega/data/db3
> 
> 
> /usr/lib/cgi-bin/omega/omega 'DB=default' 'P=searchphrase' 'FMT=xml'
> 
> The file doesn't have to be named default.
> 
> Hope that helps,
> Jim.
> 
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