From: Eric Hodel <drbrain@...7.net>
Date: 2010-05-11T08:27:23+09:00
Subject: Re: ri on sqlite

On May 7, 2010, at 12:47, Joel VanderWerf wrote:
> Eric Hodel wrote:
>> Since RDoc ships with ruby core you'd need to convince them to add
>> sqlite to the core before something like this could be merged into
>> RDoc itself.  Maybe you could use one of the built-in key-value store
>> databases like gdbm instead.  There's no reason to use a relation
>> database when RDoc::RI::Store only deals with sets of key-value
>> pairs.
> 
> An rdb would give you prefix search (useful for completion).

Not necessary as ri does completion out of its indexes:

$ ri String#gs
String#gs not found, maybe you meant:

String#gsub
String#gsub!

And the indexes are stored in a special "key" in each RDoc::RI::Store "database"

Also try `ri -i` then type 'String#gs<TAB>' or 'String#g<TAB><TAB>'