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Re: the Lock on supremum is neccessary ?

 

Hi Boyce,

Thank you for the update. The function row_search_mvcc() [and its sibling
row_sel()] should really be refactored.
There is some logic for special treatment of unique key lookups, but
apparently something is missing. I am looking forward to the mysql-test
case, so that it will be easier to debug this.

 Marko

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