I have a table shift with a start_time column and a stop_time column and
I do a lot of queries like:
select * from shift
where (start_time, stop_time) overlaps ($A, $B);
$A and $B are user-submitted values.
Anyhow, how do I put indexes on my table to make these queries run
faster?
Also, is there a better data type to use for ranges of time?
TIA
Matt
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