[rt-users] case insensitive searching in Content?
ktm at rice.edu
Tue Jun 8 11:11:45 EDT 2010
On Tue, Jun 08, 2010 at 04:57:25PM +0200, V?clav Ovs?k wrote:
> Hi Ken,
> On Tue, Jun 08, 2010 at 07:48:15AM -0500, Kenneth Marshall wrote:
> > ILIKE is fine on PostgreSQL as long as the search is anchored on
> > the left and there is an index. Otherwise it will do a sequential
> > scan of the attachments table to find matching records. The wiki
> > entries for full-text indexing with PostgreSQL and Oracle can avoid
> > the sequential scan through the use of the database's full-text
> thanks for your work on PostgreSQLFullText wiki page! Good starting
> point. I'm playing with the fulltext on one instance already. I must
> discuss the possibility to use the fulltext on Pg with my leader. The
> results are different from those get from ILIKE. I tried to find 'cisco'
> for example :). Normal search returned 25 tickets, but fulltext only 15.
> Fulltext parser did tokens from URL and www.cisco.com was a lexem as is
> (not broken further). I can't say this is fine or not, it is difference.
> Users must know this - how to write the query correctly.
Correct, the results depend on the parsing rules that are used
by the full-text configuration. These rules can be adapted to
your needs, but I do agree that some explanation about common
types of query problems would be worthwhile.
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