looking for a better way to query and cehck for overlapping timeframes.
am selecting records for display that has 3 fields of importance;
date_time (unix timestamp)
session_time (in seconds)
user_id (text field)
Of all the sessions recorded, we are looking for a count
we have a number of csv dumps that occasionally have to be used to update tables
in a postgres database...
normally this is done by uploading the file and whomever running a php based
parser which opens the file into an array, does a split on the comma, then
executes an insert or update to the dat
