add a sqlite3 extension for calculating hamming distance in the db #27
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Hi,
I'm storing many hashes in a sqlite3 database, and I'd like to calculate the hamming distance in my SQL queries. I've added a sqlite3 extension that will install a
hamming_distance
function.To try it out at home, do (system SQLite3 on OSX doesn't support extensions):
Then:
SQLite3 can't store a ulong64, so I split it in to two 32bit ints.