>>>>> "jordanh" == jordanh <jordanh@stripped> writes:
jordanh> I am sure there is a perfectly reasonable answer for this,
jordanh> however, I would like to know what this answer is:
jordanh> Why can't mysql use an index for a column when a strcmp is
jordanh> performed?
jordanh> We have a medium sized database that _must_ (on one table anyway)
jordanh> be keyed on a case-sensitive name. This means that DELETEs, UPDATES,
jordanh> etc. to a row are getting slower and slower with every row added to the
jordanh> DB.
jordanh> Could an index device be invented to at least eliminate the number of rows
jordanh> that a strcmp must be evaulated against?
jordanh> I do know that I could optimize my application further by caching
jordanh> the unique interger key from the table, but I thought I would still ask...
Hi!
Why do you need to use strcmp() ?
Just declare your columns binary if you don't want it to be compared
case sensitive.
Another option is to use the query:
SELECT * from table where column=X and strcmp(column,X)=0
The above query will use keys!
Regards,
Monty