Sourcecode unique index
Hi,
Is there a way to get the sourcecode of the part in mysql that is responsible for building unique indices?
I want to understand how it works, because some of my unique keys are very slow and I don't understand why. For an example a 750char unique index on an url-column is much faster than a 32char unique index on the corresponding md5-value in the same table ...
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Sourcecode unique index
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January 04, 2010 07:51AM
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