#  This query properly handles calls that span from the
#  previous reset period into the current period but
#  involves more work for the SQL server than those
#  below
query = "\
	SELECT SUM(AcctSessionTime - GREATEST((%%b - EXTRACT(epoch FROM AcctStartTime)), 0)) \
	FROM radacct \
	WHERE UserName='%{${key}}' \
	AND EXTRACT(epoch FROM AcctStartTime) + AcctSessionTime > '%%b'"

#
#  This query ignores calls that started in a previous
#  reset period and continue into into this one. But it
#  is a little easier on the SQL server
#
#query = "\
#	SELECT SUM(AcctSessionTime) \
#	FROM radacct \
#	WHERE UserName='%{${key}}' \
#	AND EXTRACT(epoch FROM AcctStartTime) > '%%b'"

#
#  This query is the same as above, but demonstrates an
#  additional counter parameter '%%e' which is the
#  timestamp for the end of the period
#
#query = "\
#	SELECT SUM(AcctSessionTime) \
#	FROM radacct \
#	WHERE UserName='%{${key}}' \
#	AND EXTRACT(epoch FROM AcctStartTime) BETWEEN '%%b' AND '%%e'"