On Sun, Jul 26, 2009 at 9:23 PM, Jay A. Kreibich wrote:
> On Sat, Jul 25, 2009 at 09:26:16AM -0700, Jim Showalter scratched on the wall:
>> You can have the tags in a separate table that has a foreign-key to
>> the table with the rows in in you want to tag,
>
> That's essentially
On Sat, Jul 25, 2009 at 09:26:16AM -0700, Jim Showalter scratched on the wall:
> You can have the tags in a separate table that has a foreign-key to
> the table with the rows in in you want to tag,
That's essentially what the OP is doing, except they've built a
many-to-many relationship
You can have the tags in a separate table that has a foreign-key to
the table with the rows in in you want to tag, and then do a select
from that table to find the tagged rows. If you need to search for
multiple tags at a time, each requires a join: select t from tagged as
t join t.tags as
On Fri, Jul 24, 2009 at 09:20:29PM -0500, P Kishor scratched on the wall:
> I am trying to develop a "tagging" system, whereby each row in a table
> can be tagged with arbitrary number of tags.
This smells of a Relational division problem. If you're dealing with
tags you might want to have a
On 25 Jul 2009, at 3:20am, P Kishor wrote:
> I am trying to develop a "tagging" system, whereby each row in a table
> can be tagged with arbitrary number of tags.
As an alternative for using a table for tags, consider using a long
string instead. The default value for this column would be
I am trying to develop a "tagging" system, whereby each row in a table
can be tagged with arbitrary number of tags.
TABLE foo (f_id INTEGER PRIMARY KEY, f_name TEXT);
TABLE tag (t_id INTEGER PRIMARY KEY, t_name TEXT);
TABLE foo_tag (f_id INTEGER, t_id INTEGER);
foo
1, one
2, two
3, three
4,
6 matches
Mail list logo