Subject | Re: [firebird-support] Re: Key size too big?! |
---|---|
Author | Martijn Tonies |
Post date | 2004-06-04T15:32:46Z |
Hi,
a side-effect.
In general, indices are used for fast lookups, not for sorting.
With regards,
Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
Server.
Upscene Productions
http://www.upscene.com
> > The maximum size for an index key is 253 bytes. This maximum getsIndices are sometimes used for sorting, but that's just
> > progressively reduced as you "load up" the attributes of the key:
> multiple
> > columns, multi-byte character sets and, in your case, a character
> set that
> > "eats" a lot of extra bytes AND a collation sequence that eats even
> more.
>
> This is *extremely* disappointing to hear. I mean, wow! words fail me!
> Does this mean I cannot efficiently sort fields > 84characters in
> size?
a side-effect.
In general, indices are used for fast lookups, not for sorting.
With regards,
Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
Server.
Upscene Productions
http://www.upscene.com