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Re: perl mysql full table scan

by kcott (Canon)
on Jul 10, 2013 at 08:10 UTC ( #1043423=note: print w/ replies, xml ) Need Help??

in reply to perl mysql full table scan

G'day kosie99,

The short answer is to write it both ways and then Benchmark.

I have, in the past, found leaving the matching to Perl to be faster; however, I have not had to do this with MySQL so I can't really provide specific advice. Furthermore, that was quite a long time in the past - things may have changed.

For matching simple substrings, without any fancy pattern matching requirements, consider index instead of using a regular expression.

-- Ken

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