There is some sample code you could reuse in DateTime::TimeZone (see the _spans_binary_search method)

The Set::Infinite module covers this problem, but it does not try to be "efficient".

Anyway, 100k is a lot of data, and you'd better not keep it in RAM. If you follow Abigail directions you'll find a lot of papers in google about how to do this using a database.

In reply to Re: indexing segments by fglock
in thread indexing segments by glwtta

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