Hi,

I've got a view of a base table that is 100% identical to that base table
except for one column, which is a projection of the base table after its MD5
hashed.  The table is largish (~700,000 rows) and is growing quickly.
Queries on the base table are nice and fast, but on the hashed view are
painfully slow - in particular when restricting the queries on the view
based on the hashed colum.

I assume this is because there is no index for the hashed colum.  Is there a
good way I can deal with this, without changing the base table?

TIA, running MySQL 5 on windows, can change to a later build of MySQL (as
long as I can replicate from 5) if there is some funky stuff in there that
will do what I need...

Chris

--
Christopher A. Brooks
Research Officer, ARIES Group
University of Saskatchewan 
 
Email: [EMAIL PROTECTED]
Mail: Christopher Brooks
  Department of Computer Science
  University of Saskatchewan
  57 Campus Drive
  Saskatoon, Saskatchewan, S7N 5A9
  Canada  


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