View Single Post

   
  #4 (permalink)  
Old 04-10-2008, 12:05 AM
Michael Glaesemann
 
Posts: n/a
Default Re: Foreign Key for PHP serialized data - possible?


On Oct 8, 2007, at 8:33 , Dave wrote:

> I guess, I can always
> set up views with joins, but could not come up with a good way to
> query this
> in a one returned row, e.g.:
> ID | Name | colors | fav_col | kind
> | fav_kind | etc.
> 11 | Apples | red, green, etc. | red | Granny smith, Golden
> delicious.. | Granny smith | etc.


You can either do it in your middleware or use array_accum.

http://www.postgresql.org/docs/8.2/static/xaggr.html

The archives have examples of doing things like this.

Note that *this* is the problem you're trying to solve, not the
serialization issue you're having above. I recommend changing your
schema.

Michael Glaesemann
grzm seespotcode net



---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match

Reply With Quote